不同处理方式下鱼腥草浸提液刺激瓜列当种子发芽的研究
- 摘要:
- 以不同产地鱼腥草为试材,研究了不同干燥方式、甲醇浓度、pH值、超声浸提时间和浸提温度对鱼腥草浸提液刺激瓜列当种子发芽的影响。结果表明:不同产地的鱼腥草对列当发芽率影响不同,产自广西的鱼腥草发芽率较高;不同干燥方式对鱼腥草刺激列当发芽率的影响无明显规律;甲醇浸提液刺激列当发芽较高,且发芽率随甲醇浓度的增加而升高,100%甲醇浸提效果最好;弱碱性与中性溶剂下浸提液不能刺激瓜列当种子发芽,而在pH 4.0溶剂浸提下可以刺激瓜列当种子发芽;瓜列当种子发芽率随着浸提液超声时间延长及温度升高而降低。
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备注/Memo
基金:国家“十二五”科技支撑计划资助项目(2011BAD31B05)