Structural, functional properties of protein and characteristics of tofu from small-seeded soybeans grown in the Loess Plateau of China

被引：13

作者：

Dang, Yueyi ^{[1
]}

Ren, Jing ^{[1
]}

Guo, Ying ^{[1
]}

Yang, Qinghua ^{[2
]}

Liang, Jibao ^{[3
]}

Li, Rui ^{[3
]}

Zhang, Rui ^{[3
]}

Yang, Pu ^{[2
]}

Gao, Xiaoli ^{[2
,4
]}

Du, Shuang-kui ^{[1
,4
]}

机构：

[1] Northwest A&F Univ, Coll Food Sci & Engn, Yangling 712100, Shaanxi, Peoples R China

[2] Northwest A&F Univ, Coll Agron, Yangling 712100, Shaanxi, Peoples R China

[3] Shenmu Agr Technol Promot Ctr, Shenmu 719300, Shaanxi, Peoples R China

[4] Univ Shaanxi Prov, Engn Res Ctr Grain & Oil Functionalized Proc, Yangling 712100, Shaanxi, Peoples R China

来源：

FOOD CHEMISTRY-X | 2023年 / 18卷

关键词：

Soybean protein isolates; Structural properties; Functional properties; Tofu characteristics; RHEOLOGICAL PROPERTIES; KAPPA-CARRAGEENAN; SOY PROTEINS; MICROSTRUCTURE; GLOBULIN; YIELD; PEA;

D O I：

10.1016/j.fochx.2023.100689

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The structural, functional properties of protein isolated from small-seeded soybeans were investigated and characteristics of tofu were studied. Small-seeded soybean protein had obvious & alpha;', & alpha;, & beta;, acidic and basic subunits bands and two endothermic peaks (76.02-76.63 & DEG;C and 91.94-94.25 & DEG;C). Small-seeded black soybean protein isolates (SBSPI) had more & beta;-sheet (31.90-33.54%) structure, while small-seeded yellow soybean protein isolates (SYSPI) had more & alpha;-helix (18.89-20.72%) structure. SYSPI had higher fluorescence intensity (839.10-847.80) than SBSPI (482.70-565.10). SBSPI exhibited higher surface hydrophobicity (939.51-1252.75) and water absorption capacity (8.07-8.50 g/g). Tofu made from small-seeded yellow soybeans had higher yield (549.46-560.23 g/100 g soybean) and was brighter (L*, 74.61-77.48) and more yellowish (b*, 14.83-14.95) in color. Tofu made from Fugu small-seeded black soybean (FGSBS) had the highest hardness (178.52 g), adhesiveness (-25.77 g.sec), chewiness (87.45 g) and resilience (0.26), signifying a more compact structure.

引用

页数：10

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