黄单胞菌生物催化合成α-熊果苷
Chinese Journal of Catalysis（2006）
Abstract
利用黄单胞菌(Xanthomonas)BT-112进行发酵,生物催化合成α-熊果苷.考察了反应温度、摇床转速和菌体对对苯二酚的最大耐受度、反应物浓度比、反应时间及糖的种类等因素对反应的影响.结果表明,用本方法合成的产物为单一的α-熊果苷.在温度35℃,摇床转速180 r/min,对苯二酚浓度48 mmol/L,蔗糖与对苯二酚的摩尔比2∶1,反应48 h的条件下,高达94.3%的对苯二酚转化为α-熊果苷.
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Key words
fermentation,α-arbutin,Xanthomonas,cosmetic,sucrose,hydroquinone,biocatalysis
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