大豆蛋白营养品质和生理功能研究进展

本文综述了大豆蛋白营养品质和生理功能研究进展。蛋白消化率正后的氨基酸得分（ＰＤＣＡＡＳ）是一种新的、更准确的评价蛋白质营养品质的方法的指标；大豆蛋白ＰＤＣＡＡＳ值为满分（１，０），表明大豆蛋白是完全蛋白质，可满足２岁以上人体对各种必需氨基酸的需求；临床研究表明，大豆蛋白可显著降低ＬＤＬ胆固醇浓度，而对ＨＤＬ胆固醇浓度有一定程度的提高作用；与其他优质蛋白相比，大豆蛋白有利于钙的代谢；用大豆蛋白代替膳

NUTRITIONAL QUALITY AND PHYSIOLOGUCAL FUNCTIONS OF SOY PROTEIN..A REVIEW

The research on the nutritional quality and physiological functions of soy proteinare reviewed. Recently the Protein Digestibility Corrected Amino Acid Score (PDCAAS)was introduced as a more accurate method to evaluate protein nutritional quality. Soy pro-tein has a PDCAAS of 1. 0, indicating it is complete protein and can meet essential aminoacid requiremer, ts for persons more than 2 years old; Clinical research has shown that soyprotein decreases LDL－cholesterol level significantly and tends to increase HDL－choles-terol level. Soy protein favorably affects calcium metabolism relative to other high qualityproteir。 The diet including soy protein instead animal protein benefit chronic renal disease.