Optimization of the tannins extraction process from callus in Dimocarpus longan Lour by ultrasound-assisted extraction using response surface methodology(响应面试验优化超声波辅助提取龙眼愈伤组织中单宁的工艺... de réir LIUShengcai(刘生财), DUANJunpeng(段俊朋), YAODeheng(姚德恒), LINYuling(林玉玲), LAIZhongxiong(赖钟雄)

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