FOOD SCIENCE ›› 2012, Vol. 33 ›› Issue (23): 18-22.

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Mechanism of Silver Nitrate Induced Glyceollin Production in Black Soybeans during Germination

  

  • Received:2012-09-29 Revised:2012-11-13 Online:2012-12-15 Published:2012-12-12

Abstract: The objective of this study was to clarify the mechanism of silver nitrate-induced glyceollin synthesis in black soybeans during germination. Black soybeans were treated with 0.01 mol/L silver nitrate to induce the production of glyceollin during cultivation. The contents of glyceollin, daidzin, daidzein, malonylgenstin, and malonyldaidzein in cultivated black soybeans were determined by HPLC. Daidzein was an important precursor for the synthesis of glyceollin. Daidzin, malonylgenstin and malonyldaidzein had an important influence on the synthesis of glyceollin. In conclusion, daidzein content can provide evidence for the selection of black soybean cultivars suitable for silver nitrate induced glyceollin production.

Key words: HPLC, glyceollins, daidzin, daidzein

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