the result showed that extracts of orange peel by 75% methanol and acetic acid have obvious antioxidative activity. different additive quantity of the two solvents' extracts was also investigated.
结果表明,用75 %甲醇和冰乙酸为溶剂的桔皮提取成分有明显的抗氧化活性。
using wheat bran hydrolyzate in l-isdeucine fermentation, we find the optimal additive quantity in l-isdeucine fermentation.