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以丽水本地枇杷品种太平白的枇杷花为材料,采用高效液相色谱法测定其在不同花期及其加工制作过程中各工序条件下槲皮素、槲皮苷和苦杏仁苷的含量。研究显示,太平白枇杷不同花期3种功能成分的含量也有差异,以盛花期的花朵苦杏仁苷含量最高,而晚花期的花朵所含的槲皮素和槲皮苷最高。加工方法对3种功能成分含量也有影响,以烘箱50℃干燥法中枇杷花的槲皮素、槲皮苷和苦杏仁苷含量较高。结果表明,综合花期与有效成分含量的平衡,枇杷花制作以丽水白肉枇杷盛花期花,微波杀青5 min+烘箱50 ℃干燥至恒重为宜。 相似文献
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[Objective] The pathogenic Escherichia coli in musk deer was classified at molecular level to provide basic materials for molecular epidemiology of pathogenic Escherichia coli in musk deer. [Method] Plasmids from 24 pathogenic Escherichia coli in musk deer were extracted by the Lysis Triton method, and then identified by single enzyme digestion with three endonucleases of Hind Ⅲ, EcoR Ⅰ and BamH Ⅰ. [Result] The yield rate of plasmids was 91.6%, and 24 pathogenic Escherichia coli in musk deer had the identical or similar plasmid profiles. [Conclusion] Plasmid DNA analysis offers scientific basis for molecular epidemiology of pathogenic Escherichia coli in musk deer in Sichuan Institute of Musk Deer Breeding. 相似文献
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