Soy Protein: Molecular Structure Revisited and Recent Advances in Processing Technologies
- PMID:33317319
- DOI: 10.1146/annurev-food-062220-104405
Soy Protein: Molecular Structure Revisited and Recent Advances in Processing Technologies
Abstract
Rising health concerns and increasing obesity levels in human society have led some consumers to cut back on animal protein consumption and switch to plant-based proteins as an alternative. Soy protein is a versatile protein supplement and contains well-balanced amino acids, making it comparable to animal protein. With sufficient processing and modification, the quality of soy protein can be improved above that of animal-derived proteins, if desired. The modern food industry is undergoing a dynamic change, with advanced processing technologies that can produce a multitude of foods and ingredients with functional properties from soy proteins, providing consumers with a wide variety of foods. This review highlights recent progress in soy protein processing technologies. Using the current literature, the processing-induced structural changes in soy protein are also explored. Furthermore, the molecular structure of soy protein, particularly the crystal structures of β-conglycinin and glycinin, is comprehensively revisited.
Keywords: molecular structure; recent processing technologies; soy protein; soybean.
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