Green Leaf Proteins: Sustainable Solutions for Plant-Based Protein Sources

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Amogha K.R¹ , Ajeet Jaiswal² , S. Kanaka³ , Rose Meher⁴ , Santhosh K⁵

¹Department of Aquaculture, College of Fisheries, Mangalore, Karnataka Veterinary Animal and Fisheries Science University, Bidar, India.

²Department of Genetics and Plant Breeding, Jannayak Chandra Shekhar University, Ballia (UP), India.

³Tamil Nadu Irrigated Agriculture Modernization Project, MDPU, Chennai 5, India.

⁴Department of Genetics, Osmania University, Hyderabad, TS-India.

⁵Department of food technology, Mahendra Engineering College, Namakkal, India.

Corresponding Author Email: kanaka.s@tnau.ac.in

DOI : https://doi.org/10.51470/JPB.2023.02.02.19

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1. Introduction

The global food landscape is witnessing a paradigm shift in dietary preferences driven by an increasing awareness of sustainability, health consciousness, and ethical considerations. With a growing population and escalating environmental concerns, the demand for sustainable protein sources has intensified [1]. This demand is fueled by concerns over the environmental impact of conventional livestock agriculture, including deforestation, greenhouse gas emissions, and water pollution. Moreover, the imperative to address pressing health issues such as obesity, cardiovascular diseases, and diabetes has prompted consumers to re-evaluate their dietary choices and embrace healthier alternatives. Plant-based proteins have emerged as a viable solution to mitigate the adverse effects of animal agriculture on the environment and human health. Unlike animal-derived proteins, plant-based proteins offer several advantages, including lower greenhouse gas emissions, reduced land and water footprint, and a more sustainable use of resources. Furthermore, plant-based diets have been associated with numerous health benefits, including lower risks of chronic diseases and improved overall well-being [2].

Within the realm of plant-based proteins, green leaf proteins occupy a prominent position due to their nutritional richness, abundance, and sustainability. Green leafy vegetables, including spinach, kale, broccoli, and Swiss chard, are renowned for their high protein content, essential vitamins, minerals, and phytochemicals. Moreover, green leafy vegetables are characterized by their low environmental impact, requiring minimal land, water, and energy inputs compared to conventional protein sources [3]. The rationale for focusing on green leaf proteins as a promising solution lies in their multifaceted benefits and potential to address key challenges facing the global food system. By harnessing the nutritional potency and sustainability attributes of green leafy vegetables, stakeholders can promote environmental stewardship, public health, and food security. Thus, this review aims to delve into the diverse dimensions of green leaf proteins, exploring their sources, nutritional profiles, sustainability attributes, technological applications, and contributions to global food security. Through a comprehensive examination of green leaf proteins, this review seeks to inform policymakers, researchers, industry stakeholders, and consumers about the transformative potential of plant-based proteins in fostering a more sustainable and resilient food system. By elucidating the significance of green leaf proteins in the context of sustainability and nutrition, this review endeavors to catalyze efforts towards a more equitable, ethical, and environmentally conscious approach to protein production and consumption [4].

Figure 1: Green Leaf Proteins: A Sustainable Source of Edible Plant-Based Proteins adopted from [1] copyright permission from Taylor and Francis. This figure illustrates the concept of green leaf proteins as a sustainable source of edible plant-based proteins. It features various green leafy vegetables, such as spinach, kale, lettuce, and Swiss chard, which are highlighted for their nutritional richness and environmental sustainability. The image conveys the message that green leafy vegetables are not only nutritious but also eco-friendly alternatives to conventional protein sources. Through cultivation, processing, and consumption, green leaf proteins contribute to a more sustainable and resilient food system, addressing the growing demand for plant-based proteins while mitigating environmental impacts associated with conventional agriculture.

2. Sources of Green Leaf Proteins

Green leafy vegetables encompass a diverse array of plant species that are esteemed for their nutritional density, culinary versatility, and ecological resilience [5]. This section elucidates the classification, diversity, and protein richness of green leafy vegetables, providing insights into their potential as sustainable sources of plant-based proteins.

Classification and Diversity of Green Leafy Vegetables:

Green leafy vegetables belong to various botanical families and exhibit a wide spectrum of shapes, colors, textures, and flavors. Common examples include spinach (Spinacia oleracea), kale (Brassica oleracea var. acephala), collard greens (Brassica oleracea var. viridis), Swiss chard (Beta vulgaris var. cicla), arugula (Eruca sativa), and lettuce (Lactuca sativa). These vegetables originate from different geographical regions and have been cultivated for centuries as dietary staples in diverse cuisines worldwide [6].

Identification of Protein-Rich Green Leaf Sources:

While green leafy vegetables are renowned for their micronutrient content, they also serve as notable sources of plant-based proteins. Among the plethora of green leaf sources, certain varieties stand out for their exceptional protein richness [7]. Spinach, for instance, is celebrated for its relatively high protein content, with approximately 2.9 grams of protein per 100 grams of raw spinach. Similarly, kale, Swiss chard, and collard greens boast substantial protein levels, making them valuable additions to plant-based diets.

Comparative Analysis of Protein Content and Amino Acid Profiles:

A comparative analysis of protein content and amino acid profiles underscores the nutritional diversity and complementarity of green leafy vegetables. While the absolute protein content may vary among different varieties, green leafy vegetables typically offer a balanced spectrum of essential and non-essential amino acids essential for human health. Crucially, green leafy vegetables such as spinach and kale provide essential amino acids, including lysine, methionine, and leucine, albeit in varying proportions [8]. Furthermore, the amino acid composition of green leaf proteins complements other plant-based protein sources, such as legumes and grains, thereby enhancing the overall quality and bioavailability of dietary proteins. By incorporating a variety of green leafy vegetables into one’s diet, individuals can optimize their intake of essential nutrients while diversifying their culinary repertoire, green leafy vegetables represent a rich and diverse reservoir of plant-based proteins, offering an array of nutritional benefits and culinary possibilities. Through a comparative analysis of protein content and amino acid profiles, stakeholders can discern the nutritional attributes of different green leaf sources and tailor their dietary choices to optimize health and sustainability. As such, green leaf proteins emerge as integral components of balanced, plant-forward diets that promote human health and environmental well-being [9].

3. Nutritional Profile and Health Benefits

Green leafy vegetables are renowned for their exceptional nutritional richness, offering a myriad of essential nutrients, vitamins, minerals, and bioactive compounds. This section provides a comprehensive analysis of the nutritional composition of green leaf proteins, evaluates the presence of essential amino acids, vitamins, and minerals, and explores the health benefits associated with their consumption.Green leafy vegetables serve as nutritional powerhouses, boasting an impressive array of essential nutrients essential for human health [10]. These vegetables are rich in vitamins, including vitamin A (as beta-carotene), vitamin C, vitamin K, and various B vitamins such as folate (vitamin B9) and riboflavin (vitamin B2). Moreover, green leafy vegetables contain minerals such as calcium, magnesium, iron, and potassium, which play pivotal roles in bone health, muscle function, and electrolyte balance.

Evaluation of Essential Amino Acids:

Green leaf proteins provide a diverse array of essential and non-essential amino acids crucial for protein synthesis and metabolic processes. While plant-based proteins may have lower concentrations of certain amino acids compared to animal-derived proteins, green leafy vegetables offer a balanced profile of essential amino acids, including lysine, methionine, and leucine. By combining different plant-based protein sources, individuals can optimize their intake of essential amino acids and ensure adequate protein quality in their diets [11].

Vitamins, Minerals, and Bioactive Compounds:

In addition to proteins and amino acids, green leafy vegetables are replete with bioactive compounds that confer numerous health benefits. Chlorophyll, the pigment responsible for the green coloration of leaves, exhibits antioxidant properties and may help detoxify the body and promote digestive health. Furthermore, phytochemicals such as flavonoids, carotenoids, and glucosinolates found in green leafy vegetables have been linked to reduced risks of chronic diseases, including cancer, cardiovascular diseases, and neurodegenerative disorders [12].

Health Benefits Associated with Consumption:

The consumption of green leafy vegetables has been associated with a myriad of health benefits, ranging from improved cardiovascular health and weight management to enhanced cognitive function and immune support. Epidemiological studies have consistently demonstrated inverse associations between the intake of green leafy vegetables and the incidence of chronic diseases, underscoring the importance of incorporating these nutrient-dense foods into daily dietary patterns [13].

Moreover, green leafy vegetables are low in calories and carbohydrates, making them ideal choices for individuals seeking to manage weight and optimize metabolic health. By promoting satiety and reducing energy intake, green leafy vegetables can facilitate weight loss and weight maintenance efforts, thereby contributing to overall well-being and disease prevention, the nutritional richness and health-promoting properties of green leaf proteins underscore their pivotal role in fostering optimal health and vitality. By incorporating green leafy vegetables into daily dietary patterns, individuals can harness the myriad benefits of plant-based nutrition and cultivate habits that promote long-term wellness and sustainability. As such, green leaf proteins emerge as indispensable components of balanced, nutrient-dense diets that support human health and environmental stewardship [14]. Green leaf protein production offers compelling sustainability attributes that distinguish it from conventional protein sources, including animal-based proteins and soy. This section examines the environmental impact of green leaf protein production, compares it with conventional protein sources, and assesses its land, water, and energy requirements.

Examination of Environmental Impact:

Green leaf protein production is inherently more environmentally sustainable compared to conventional protein sources, primarily due to lower greenhouse gas emissions, reduced land use, and minimal resource inputs [15]. Unlike animal agriculture, which accounts for a significant portion of global greenhouse gas emissions and deforestation, green leaf protein cultivation requires less land and water and generates fewer carbon emissions. Moreover, green leafy vegetables contribute to soil health and biodiversity conservation, enhancing ecosystem resilience and promoting agroecological sustainability.

Comparison with Conventional Protein Sources:

In contrast to animal-based proteins, which necessitate substantial land, water, and feed inputs, green leaf protein production is far more resource-efficient and environmentally benign. The cultivation of green leafy vegetables requires minimal water compared to livestock farming and entails lower carbon emissions associated with land use change and deforestation [16]. Similarly, compared to soy cultivation, which is often linked to deforestation in regions such as the Amazon rainforest, green leaf protein production exerts a negligible environmental footprint and poses minimal risks to biodiversity and ecosystem integrity.

Assessment of Land, Water, and Energy Requirements:

Green leaf protein cultivation requires relatively modest land, water, and energy inputs compared to conventional protein sources. The compact nature of leafy vegetable crops enables high-density cultivation and efficient use of arable land, making them suitable for urban agriculture and small-scale farming initiatives. Moreover, green leafy vegetables typically have shorter growth cycles and lower water requirements compared to cereals and legumes, further enhancing their sustainability credentials.

In terms of energy requirements, green leaf protein production relies primarily on natural sunlight for photosynthesis, minimizing the need for fossil fuel-based inputs. Additionally, green leafy vegetables can be cultivated using organic farming practices, reducing reliance on synthetic fertilizers and pesticides and mitigating potential environmental contamination, green leaf protein production represents a sustainable and resource-efficient alternative to conventional protein sources, offering numerous environmental benefits and promoting ecological resilience [17]. By minimizing land, water, and energy requirements and mitigating adverse environmental impacts, green leafy vegetables play a crucial role in transitioning towards more sustainable food systems. As such, the promotion of green leaf protein cultivation holds immense potential for enhancing food security, mitigating climate change, and fostering environmental stewardship on a global scale [9].

The versatile nature of green leaf proteins lends itself to a wide range of technological applications and product development initiatives aimed at enhancing the nutritional quality and sensory attributes of plant-based foods.

Utilization of Green Leaf Proteins in Food Processing and Formulation:

Green leaf proteins serve as valuable ingredients in food processing and formulation, offering functional properties such as emulsification, foaming, and gelling. Leafy vegetable extracts can be incorporated into various food matrices to enhance texture, stability, and sensory attributes. For instance, spinach and kale powders are commonly used in bakery products, smoothies, and pasta formulations to boost nutritional content and add vibrant color [12].

Recent advancements in extraction techniques and protein isolation methods have facilitated the efficient extraction and purification of green leaf proteins. Processes such as aqueous extraction, enzymatic hydrolysis, and membrane filtration enable the isolation of protein fractions with high purity and bioavailability. These techniques preserve the functional and nutritional integrity of green leaf proteins, allowing for their incorporation into a broader range of food applications [14].

Incorporation of Green Leaf Proteins into Diverse Food Products:

Green leaf proteins are increasingly being incorporated into diverse food products to meet the growing demand for plant-based alternatives. In the realm of plant-based meat alternatives, green leaf proteins serve as key ingredients in burger patties, sausages, and meatballs, providing texture, juiciness, and umami flavor reminiscent of conventional meat products. Additionally, green leaf proteins are used in the development of dairy substitutes, including plant-based milk, yogurts, and cheeses, offering lactose-free alternatives for individuals with dietary restrictions. Moreover, green leaf proteins find applications in the formulation of savory snacks, energy bars, and functional beverages, catering to consumer preferences for convenient, on-the-go options. By leveraging the nutritional potency and versatility of green leaf proteins, food manufacturers can create innovative products that appeal to health-conscious consumers seeking sustainable and ethically sourced alternatives to traditional animal-based foods, the utilization of green leaf proteins in food processing and product development represents a promising avenue for enhancing the nutritional quality, sustainability, and marketability of plant-based foods [18]. Through continuous innovation and collaboration across the food industry, green leaf proteins can play a pivotal role in reshaping the landscape of sustainable food production and consumption, offering viable solutions to address the evolving needs and preferences of consumers worldwide.

6. Challenges and Opportunities

Scaling up green leaf protein production presents both challenges and opportunities that require concerted efforts from stakeholders across the food system. This section identifies key challenges, discusses technological, economic, and infrastructural barriers to adoption, and explores opportunities for research, investment, and collaboration to overcome obstacles.

Identification of Key Challenges in Scaling Up Green Leaf Protein Production:

In many regions, the agricultural infrastructure necessary for large-scale green leaf protein production is underdeveloped, posing challenges in terms of land availability, water access, and transportation networks. Green leafy vegetables are subject to seasonal variability and climate risks, including extreme weather events, pests, and diseases, which can impact yields and disrupt supply chains. Green leaf protein cultivation often requires manual labor for planting, harvesting, and post-harvest processing, necessitating investments in workforce development and mechanization technologies. Despite growing consumer interest in plant-based proteins, market fragmentation and lack of consumer awareness pose challenges in scaling up demand and achieving economies of scale [12].

Technological, Economic, and Infrastructural Barriers to Adoption:

Smallholder farmers and rural communities often lack access to technological innovations and best practices for sustainable agriculture, hindering productivity gains and cost efficiencies. The adoption of green leaf protein production systems may require significant upfront investments in infrastructure, equipment, and research and development, posing financial barriers for farmers and entrepreneurs. Green leaf protein markets are susceptible to price volatility and fluctuations in supply and demand, which can impact profitability and investment incentives for producers and processors. Uncertain regulatory environments and policy frameworks may deter investments in green leaf protein production and impede market development, necessitating transparent and science-based regulations to foster innovation and market growth [15].

Opportunities for Research, Investment, and Collaboration:

Investments in research and development are critical for advancing agronomic practices, breeding programs, and technological innovations that enhance the productivity, resilience, and sustainability of green leaf protein production systems [19]. Collaborative efforts to raise awareness about the nutritional benefits and environmental advantages of green leaf proteins can stimulate demand and create opportunities for market expansion and product innovation. Public-private partnerships can facilitate knowledge sharing, capacity building, and technology transfer initiatives that support smallholder farmers and promote inclusive growth in the green leaf protein value chain.

Innovative financing mechanisms, such as impact investing, venture capital, and blended finance models, can mobilize capital and de-risk investments in green leaf protein production, particularly in emerging markets and underserved communities, addressing the challenges and seizing the opportunities associated with scaling up green leaf protein production requires a collaborative and multi-stakeholder approach that integrates technological innovation, policy reform, and market development efforts. By leveraging the synergies between research, investment, and collaboration, stakeholders can unlock the full potential of green leaf proteins as sustainable solutions for addressing global food security, nutrition, and environmental challenges. Green leaf proteins play a pivotal role in addressing protein malnutrition and food insecurity, particularly in vulnerable populations and resource-constrained regions [15].

Role of Green Leaf Proteins in Addressing Protein Malnutrition and Food Insecurity:

Green leafy vegetables serve as valuable sources of protein, vitamins, minerals, and dietary fiber, offering essential nutrients necessary for growth, development, and overall well-being. Green leaf proteins complement other plant-based protein sources, such as legumes, grains, and nuts, to provide a balanced and diverse amino acid profile essential for human health. Green leafy vegetables are often accessible and affordable, making them viable dietary staples for individuals and communities facing food insecurity and limited access to nutritious foods [2].

Potential for Smallholder Farmers and Rural Communities:

Green leaf protein cultivation provides smallholder farmers and rural communities with opportunities for livelihood diversification and income generation, reducing reliance on single-crop agriculture and enhancing economic resilience. Green leafy vegetables are well-suited to diverse agroecological environments and can withstand variations in climate and soil conditions, offering smallholder farmers a resilient and adaptable crop option. Investments in green leaf protein production empower smallholder farmers through training, technical assistance, and market linkages, enabling them to participate in value-added activities and capture greater value from their agricultural activities [4].

Importance of Policy Support and Market Incentives:

Policy support is critical for creating an enabling environment that incentivizes sustainable protein production systems, promotes agricultural innovation, and strengthens food security and nutrition outcomes. Market-based incentives, such as price premiums, certification programs, and public procurement policies, can stimulate investment in green leaf protein production, incentivize sustainable farming practices, and reward producers for environmental stewardship. Green leafy vegetables can be integrated into food security programs, school feeding initiatives, and community nutrition projects to enhance dietary diversity, promote healthy eating habits, and address micronutrient deficiencies among vulnerable populations, the promotion of green leaf proteins as sustainable solutions for addressing protein malnutrition and food insecurity requires a holistic approach that integrates production, distribution, and consumption strategies. By leveraging the nutritional and economic benefits of green leafy vegetables, policymakers, development practitioners, and private sector actors can contribute to a more resilient, equitable, and food-secure future for all [7].

8. Conclusion and Future Directions

Green leaf proteins represent a paradigm shift in the quest for sustainable protein sources, offering a plethora of benefits for human health, environmental stewardship, and food security. This conclusion underscores the significance of green leaf proteins as sustainable protein sources, emphasizes the imperative for interdisciplinary research, innovation, and policy interventions, and provides recommendations for future research agendas and strategic initiatives to advance their utilization. Green leaf proteins emerge as potent solutions for addressing the multifaceted challenges confronting the global food system. Their nutritional richness, environmental sustainability, and socioeconomic benefits position them as integral components of balanced, resilient, and equitable diets. By harnessing the power of green leafy vegetables, we can nourish communities, conserve natural resources, and mitigate the impacts of climate change on agriculture and food security. The realization of green leaf proteins’ full potential hinges on collaborative efforts across disciplines, sectors, and geographies. Interdisciplinary research initiatives can deepen our understanding of the agronomic, nutritional, and socio-economic dimensions of green leaf protein production and consumption. Innovation in agricultural technologies, processing methods, and market mechanisms can unlock new opportunities for value creation and market expansion. Moreover, policy interventions that prioritize sustainability, promote inclusive growth, and incentivize investments in green leaf protein production are essential for catalyzing transformative change and fostering a more resilient and equitable food system.

Allocate resources to research and development initiatives that explore novel approaches to green leaf protein production, processing, and utilization. Foster collaborations between academia, industry, and government agencies to drive innovation and knowledge exchange. Raise public awareness about the nutritional benefits, environmental advantages, and culinary versatility of green leaf proteins through educational campaigns, media outreach, and community engagement initiatives. Empower consumers to make informed dietary choices that support human health and sustainability. Advocate for policy reforms that promote sustainable agriculture, enhance food safety and quality standards, and incentivize investments in green leaf protein production and distribution systems. Advocate for the integration of green leafy vegetables into national nutrition and food security policies to ensure equitable access to nutritious foods for all segments of society. Foster partnerships and collaboration among stakeholders across the food system, including farmers, processors, retailers, policymakers, civil society organizations, and international development agencies. Pool resources, expertise, and networks to leverage collective action and scale up sustainable solutions for protein production and consumption, the journey towards a more sustainable, nutritious, and equitable food system requires a collective commitment to harnessing the potential of green leaf proteins as transformative solutions for the challenges of the 21st century. By embracing innovation, collaboration, and policy coherence, we can unlock new pathways to food security, environmental resilience, and shared prosperity for present and future generations. Let us embark on this journey together, guided by the vision of a world where every individual has access to healthy, sustainable, and culturally appropriate foods that nourish body, mind, and spirit.

References

1. Hadidi, M., Hossienpour, Y., Nooshkam, M., Mahfouzi, M., Gharagozlou, M., Aliakbari, F. S., & McClement, D. J. (2023). Green leaf proteins: a sustainable source of edible plant-based proteins. Critical Reviews in Food Science and Nutrition, 1-18. https://doi.org/10.1080/10408398.2023.2229436
2. Pérez-Vila, S., Fenelon, M. A., O’Mahony, J. A., & Gómez-Mascaraque, L. G. (2022). Extraction of plant protein from green leaves: Biomass composition and processing considerations. Food Hydrocolloids, 107902.
3. Møller, A. H., Hammershøj, M., Dos Passos, N. H. M., Tanambell, H., Stødkilde, L., Ambye-Jensen, M., & Dalsgaard, T. K. (2021). Biorefinery of Green Biomass─ How to Extract and Evaluate High Quality Leaf Protein for Food?. Journal of Agricultural and Food Chemistry, 69(48), 14341-14357.
4. Nynäs, A. L., Newson, W. R., & Johansson, E. (2021). Protein fractionation of green leaves as an underutilized food source—protein yield and the effect of process parameters. Foods, 10(11), 2533.
5. Munialo, C. D., Stewart, D., Campbell, L., & Euston, S. R. (2022). Extraction, characterisation and functional applications of sustainable alternative protein sources for future foods: A review. Future Foods, 6, 100152.
6. Corredig, M., Young, N., & Dalsgaard, T. K. (2020). Food proteins: Processing solutions and challenges. Current Opinion in Food Science, 35, 49-53.
7. Hoehnel, A., Zannini, E., & Arendt, E. K. (2022). Targeted formulation of plant-based protein-foods: Supporting the food system’s transformation in the context of human health, environmental sustainability and consumer trends. Trends in Food Science & Technology.
8. Jagadeesh, D., Kanny, K., & Prashantha, K. (2017). A review on research and development of green composites from plant protein‐based polymers. Polymer Composites, 38(8), 1504-1518.
9. Galanakis, C. M. (Ed.). (2019). Proteins: Sustainable source, processing and applications. Academic Press.
10. Xu, J., Towler, M., & Weathers, P. J. (2018). Platforms for plant-based protein production. Bioprocessing of plant in vitro systems, 509.
11. Sicaire, A. G., Fine, F., Quinsac, A., Boukroufa, M., Rakotomanomana, N., & Chemat, F. (2019). Innovative techniques and alternative solvents for green extraction of proteins from pulses and oleaginous meals as industrial sources for food and feed. Plant Based “Green Chemistry 2.0” Moving from Evolutionary to Revolutionary, 237-256.
12. Nadathur, S. R., Wanasundara, J. P. D., & Scanlin, L. (2017). Proteins in the diet: Challenges in feeding the global population. In Sustainable protein sources (pp. 1-19). Academic Press.
13. Kumar, Manoj, Maharishi Tomar, Jayashree Potkule, Reetu Verma, Sneh Punia, Archana Mahapatra, Tarun Belwal et al. “Advances in the plant protein extraction: Mechanism and recommendations.” Food Hydrocolloids 115 (2021): 106595.
14. Perez-Fajardo, M., Bean, S. R., Bhadriraju, S., Perez-Mendoza, J., & Dogan, H. (2023). Use of Insect Protein Powder as a Sustainable Alternative to Complement Animal and Plant-Based Protein Contents in Human and Animal Food. In Sustainable Agricultural Practices and Product Design (pp. 31-50). American Chemical Society.
15. Jimenez-Munoz, L. M., Tavares, G. M., & Corredig, M. (2021). Design future foods using plant protein blends for best nutritional and technological functionality. Trends in Food Science & Technology, 113, 139-150.
16. Gençdağ, E., Görgüç, A., & Yılmaz, F. M. (2021). Recent advances in the recovery techniques of plant-based proteins from agro-industrial by-products. Food Reviews International, 37(4), 447-468.
17. Weindl, Isabelle, Mario Ost, Petra Wiedmer, Monika Schreiner, Susanne Neugart, Rebecca Klopsch, Holger Kühnhold et al. “Sustainable food protein supply reconciling human and ecosystem health: A Leibniz Position.” Global Food Security 25 (2020): 100367.
18. Kelly Oliveira Nogueria, G. (2020). Food Proteins: Sustainable Sources of Proteins Responsible for Emulsions Stability in Food Products.
19. Ampofo, J., & Ngadi, M. (2022). Ultrasound-assisted processing: Science, technology and challenges for the plant-based protein industry. Ultrasonics Sonochemistry, 84, 105955.