초록

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Abstract ▼ AI-Helper

In order to study the effects of blanching and germination of soybean on the quality of soymilk, the soybeans were differently treated as follow; (1) blanched for 5 min at $100^{\circ}C$, (2) germinated for 2 days at $25^{\circ}C$, (3) germinated for 2 days and then blanched fo...

In order to study the effects of blanching and germination of soybean on the quality of soymilk, the soybeans were differently treated as follow; (1) blanched for 5 min at $100^{\circ}C$, (2) germinated for 2 days at $25^{\circ}C$, (3) germinated for 2 days and then blanched for 5 min at $100^{\circ}C$. The qualities of various soymilks prepared from the treated soybeans were compared with those of soymilk from the untreated soybeans. Blanching of soybeans decreased yields, solid materials, viscosity, total protein, soluble nitrogen, and total sugar of soymilk but no effect on its free sugar contents, specific gravity, and pH. The blanching, however, improved the sensory properties and decreased the n-hexanal contents of soymilk to about 1/2.4. Germination of soybeans improved the yields, physical, chemical, and sensory properties and decreased the n-hexanal contents of soymilk to about 1/5. The germination plus blanching of soybeans showed kind of combined effects of germination's and of blanching's, resulting in the decrease of n-hexanal to about 1/10 and improvement in sensory properties of soymilk.

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