【英文标准名称】:Determinationofsubstancescharacteristicofgreenandblacktea-Contentofcatechinsingreentea-Methodusinghigh-performanceliquidchromatography
【原文标准名称】:绿茶和红茶的物质特性测定.绿茶中儿茶酚含量.高效液相色谱法
【标准号】:BSISO14502-2-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-07
【实施或试行日期】:2005-04-07
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;茶;儿茶酚;农产品;HPLC;化学分析和试验;食品;高效液相色谱法
【英文主题词】:Agriculturalproducts;Analysis;Catechol;Chemicalanalysisandtesting;Chromatography;Determinationofcontent;Foodproducts;Highperformanceliquidchromatography;HPLC;Liquidchromatography;Samplingmethods;Substances;Tea;Testreports;Testing
【摘要】:ThispartofISO14502specifiesahigh-performanceliquidchromatographic(HPLC)methodforthedeterminationofthetotalcatechincontentofteafromthesummationoftheindividualcatechins.Itisapplicabletobothleafandinstantgreentea,andwithprecisionlimitationstoblacktea(seeAnnexA).Gallicacidandcaffeinecanalsobedeterminedbythismethod,ascantheogallinandtheaflavins.
【中国标准分类号】:X55
【国际标准分类号】:67_140_10
【页数】:30P.;A4
【正文语种】:英语