Objective:A novel processing analytical framework of Chinese Material Medica (CMM) includes breeding process analysis,planting process analysis,producing process analysis and manufacture process analysis.In order to s...Objective:A novel processing analytical framework of Chinese Material Medica (CMM) includes breeding process analysis,planting process analysis,producing process analysis and manufacture process analysis.In order to study this framework,we used quality control of honeysuckle flower (Lonicerae japonicae Flos) including diploid and tetraploid Lonicera japonica,and wild honeysuckle flower (Lonicerae Flos) including Lonicerae hypoglauca,Lonicerae confusa,Lonicerae fulvotomentosa and Lonicerae macranthoides as an example.Methods:A total of 360 samples were analyzed from three variables including species,growing areas,and optimization of processing methods.For quantitative analysis,chlorogenic acid (CA),isochlorogenic acid A (3,5-DCA),and isochlorogenic acid C (4,5-DCA) were measured with high performance liquid chromatography (HPLC).Results:The three organic acids contents are higher in wild honeysuckle flower than honeysuckle flower;L.japonica (tetraploid) is higher than L.japonica (diploid).Modern processing methods (kill-enzyme torrefaction and fixing machine drying) are popular in growing areas and are superior to traditional methods (sun and shade drying).Conclusions:Novel process analysis concepts in processing analytical technology (PAT) enriched the Chinese MateHal Medica contents.展开更多
[Objective] The flowering,fruiting and seed setting characteristic of wild watermelon were discussed in our paper.[Method] The flowering and fruiting habit of wild watermelon were observed,and the effect of different ...[Objective] The flowering,fruiting and seed setting characteristic of wild watermelon were discussed in our paper.[Method] The flowering and fruiting habit of wild watermelon were observed,and the effect of different pollination methods（mixed pollination,single flower pollination and natural pollination）on fruit set percentage,weight per fruit,seeds per fruit and thousand-seed weight of wild watermelon were studied in our paper.[Result] Wild watermelon had few female flowers and low fruit set percentage;artificial pollination could not increase the fruit set percentage of wild watermelon obviously,but it could improve weight per fruit,seed yield and quality significantly,and mixed pollination was the best.[Conclusion] Our study could provide reference for the improvement of hybrid seed yield and quality of wild watermelon.展开更多
试验旨在探究酶解-超声辅助双水相法提取泡桐花总黄酮的最佳工艺参数,评价其体外抗氧化活性。采用单因素试验和响应面法优化泡桐花总黄酮的提取工艺,并对比几种不同的提取方法,测定总黄酮对DPPH自由基、OH自由基和ABTS自由基的清除率。...试验旨在探究酶解-超声辅助双水相法提取泡桐花总黄酮的最佳工艺参数,评价其体外抗氧化活性。采用单因素试验和响应面法优化泡桐花总黄酮的提取工艺,并对比几种不同的提取方法,测定总黄酮对DPPH自由基、OH自由基和ABTS自由基的清除率。结果表明:最优提取工艺条件:(NH4)2SO4质量分数20%、乙醇质量分数33%、超声温度60℃、液料比23∶1 m L/g,总黄酮的实际提取率为7.62%,与理论值7.59%的相对偏差为0.40%。不同提取方法比对,酶解-超声法提取率最高。泡桐花黄酮能够有效清除DPPH自由基、OH自由基和ABTS自由基,最高清除率分别为78.1%、86.2%和83.3%,可为其开发为天然饲料添加剂应用在动物生产领域提供科学参考。展开更多
基金Financial support of this work from National Natural Science Foundation of China(No.31370360 and No.81303218)National Science and Technology Support Programme(No.2011BAI07B07)Independent Subject of Beijing University of Chinese Medicine(No:JYBZZ-7S016)are gratefully acknowledged.
文摘Objective:A novel processing analytical framework of Chinese Material Medica (CMM) includes breeding process analysis,planting process analysis,producing process analysis and manufacture process analysis.In order to study this framework,we used quality control of honeysuckle flower (Lonicerae japonicae Flos) including diploid and tetraploid Lonicera japonica,and wild honeysuckle flower (Lonicerae Flos) including Lonicerae hypoglauca,Lonicerae confusa,Lonicerae fulvotomentosa and Lonicerae macranthoides as an example.Methods:A total of 360 samples were analyzed from three variables including species,growing areas,and optimization of processing methods.For quantitative analysis,chlorogenic acid (CA),isochlorogenic acid A (3,5-DCA),and isochlorogenic acid C (4,5-DCA) were measured with high performance liquid chromatography (HPLC).Results:The three organic acids contents are higher in wild honeysuckle flower than honeysuckle flower;L.japonica (tetraploid) is higher than L.japonica (diploid).Modern processing methods (kill-enzyme torrefaction and fixing machine drying) are popular in growing areas and are superior to traditional methods (sun and shade drying).Conclusions:Novel process analysis concepts in processing analytical technology (PAT) enriched the Chinese MateHal Medica contents.
基金Supported by Scientific Research Foundation of Yangtze University(HNZDi200329)~~
文摘[Objective] The flowering,fruiting and seed setting characteristic of wild watermelon were discussed in our paper.[Method] The flowering and fruiting habit of wild watermelon were observed,and the effect of different pollination methods（mixed pollination,single flower pollination and natural pollination）on fruit set percentage,weight per fruit,seeds per fruit and thousand-seed weight of wild watermelon were studied in our paper.[Result] Wild watermelon had few female flowers and low fruit set percentage;artificial pollination could not increase the fruit set percentage of wild watermelon obviously,but it could improve weight per fruit,seed yield and quality significantly,and mixed pollination was the best.[Conclusion] Our study could provide reference for the improvement of hybrid seed yield and quality of wild watermelon.
文摘试验旨在探究酶解-超声辅助双水相法提取泡桐花总黄酮的最佳工艺参数,评价其体外抗氧化活性。采用单因素试验和响应面法优化泡桐花总黄酮的提取工艺,并对比几种不同的提取方法,测定总黄酮对DPPH自由基、OH自由基和ABTS自由基的清除率。结果表明:最优提取工艺条件:(NH4)2SO4质量分数20%、乙醇质量分数33%、超声温度60℃、液料比23∶1 m L/g,总黄酮的实际提取率为7.62%,与理论值7.59%的相对偏差为0.40%。不同提取方法比对,酶解-超声法提取率最高。泡桐花黄酮能够有效清除DPPH自由基、OH自由基和ABTS自由基,最高清除率分别为78.1%、86.2%和83.3%,可为其开发为天然饲料添加剂应用在动物生产领域提供科学参考。
