发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了可乐型饮料,咖啡、茶叶及其固体和液体饮料制品中咖啡因含量的测定方法--高效液相色谱法。本标准适用于可乐型饮料,咖啡、茶叶及其固体和液体饮料制品中咖啡因含量的测定。
本标准适用于以氯乙酸或氰乙酸为原料化学合成法及以茶叶为原料提取法制得的食品添加剂咖啡因。
National Food Safety Standard Food Additive Caffeine
本标准规定了保健食品中盐酸硫胺素、盐酸吡哆醇、烟酸、烟酰胺和咖啡因的高效液相色谱测定方法。 本标准适用于盐酸硫胺素、盐酸吡哆醇、烟酸、烟酰胺和咖啡因作为膳食补充剂添加于片剂、胶囊、口服液、饮料等试样类型中的高效液相色谱测定方法。 本方法的检出限为:盐酸硫胺素0.02μg、盐酸吡哆醇0.02μg、烟酸0.10μg、烟酰胺0.06μg、咖啡因0.05μg。线性范围:盐酸硫胺素0.500μg/Ml~50.0μg/Ml;盐酸吡哆醇0.500μg/Ml~50.0μg/Ml;烟酸1.00μg/Ml~100μg/Ml;烟酰胺1.00μg/Ml~100μg/Ml;咖啡因5.00μg/mL~500μg/mL。
Determination of thiamine hydrochloride,pyridoxine hydrochloride,niacin niacinamide and caffeine in health foods
本标准规定了可乐型饮料、咖啡、茶叶及其制成品中咖啡因含量的测定方法-紫外分光光度法和高效液相色谱法(HPLC)。 本标准适用于可乐型饮料、咖啡、茶叶及其制成品中咖啡因的测定。 本标准紫外法检出限:可乐型饮料为3mg/L;咖啡、茶叶及其固体制品为5mg/100g;对咖啡和茶叶的液体制品为5mg/L。 本标准HPLC法检出限:可乐型饮料为0.72mg/L;茶叶、咖啡及其制品为1.8mg/100g。
Determination of caffeine in beverages
本标准规定用高效液相色谱测定普通的和脱咖啡因的生咖啡和焙炒咖啡豆,以及普通的和脱咖啡因的咖啡抽提粉中的咖啡因含量的一种方法。
Coffee--Determination of caffeine content--Method using high-performance liquid chromatography
本标准规定了可乐型饮料、咖啡、茶叶及其制成品中咖啡因含量的测定方法—紫外分光光谱法和高效液相色谱法(HPLC),本标准适用于可乐型饮料、咖啡、茶叶及其制成品中咖啡因的测定。
本标准规定了食品添加剂咖啡因的技术要求、试验方法、检验规则、标志、包装、运输和贮存的要求。 本标准适用于化学法制得的咖啡因,在食品工业中添加至可乐型饮料中以增加风味。
Food additive. Caffeine
本标准规定了咖啡中葫芦巴碱、绿原酸和咖啡因的高效液相色谱测定方法。 本标准适用于生咖啡、烘焙咖啡和速溶咖啡等咖啡及其固体和液体饮料制品中葫芦巴碱、绿原酸和咖啡因的同时测定。 本方法的检出限:葫芦巴碱0.50 mg/kg,绿原酸为0.70 mg/kg,咖啡因0.50 mg/kg。本方法的定量限:葫芦巴碱1.50 mg/kg、绿原酸为2.00 mg/kg,咖啡因1.50 mg/kg。
Determination of trigonelline, chlorogenic acid and caffeine in coffee—high performance liquid chromatography
Coffee and coffee products. Determination of the caffeine content using high performance liquid chromatography (HPLC). Reference method
Tea and instant tea. Determination of caffeine content. Method using high-performance liquid chromatography
Coffee. Determination of caffeine content. Reference method
Analysis of coffee and coffee products - Determination of dichlormethane in decaffeinated green coffee using headspace gaschromatography
Coffee and coffee products - Determination of the caffeine content using high performance liquid chromatography (HPLC) - Reference method (ISO 20481:2008)
本方法规定了蜂王浆中咖啡因含量液相色谱-串联质谱法的测定方法。 本方法适用进出口蜂王浆中咖啡因含量测定的制样和测定方法。
Determination of caffeine in royal jelly for import and export- LC-MS/MS
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En la presents norma se describe el método para deter minar el contenido de teobromina y cafsína en el ca— cao y sus preparaciones.
Coffee and coffee products - Determination of the caffeine content using high performance liquid chromatography (HPLC) - Reference method
Coffee and coffee products - Determination of the caffeine content using high performance liquid chromatography (HPLC) - Reference method
Coffee and coffee products — Determination of the caffeine content using high performance liquid chromatography (HPLC) — Reference method
Coffee.Determination of caffeine content (reference method)
Alcoholic and non-alcoholic drinks and beverages. Determination of caffeine, ascorbic acid and its salts, preservatives and sweeteners using capillary electrophoresis method
Coffee-Determination of caffeine content(Reference method)
Coffee-Determination of caffeine content(Reference method)
Coffee-Determination of caffeine content- Method using high-performance liquid chromatography
本标准规定了化妆品中咖啡因的液相色谱检测方法。 本标准适用于化妆品中咖啡因的检测。 本标准的咖啡因测定低限:10mg/kg。
Determination of caffeine in cosmetics for import and export - Liquid chromatography method
Coffee. Determination of caffeine content. Method using high-performance liquid chromatography
Determination of caffeine in honey for import and export--Liquid chromatography
The standard specifies a method for the determination by high-performance liquid chromatography (HPLC) of the caffeine content of teas and instant teas. It is applicable to green tea, black tea and decaffeinated tea products.#,,#
Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography (ISO 10727:2002)
Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography
This International Standard specifies a method for the determination by high-performance liquid chromatography (HPLC) of the caffeine content of teas and instant teas. It is applicable to green tea, black tea and decaffeinated tea products.
Tea and instant tea in solid form - Determination of caffeine content - Method using high-performance liquid chromatography
Zpracovatel: Ing. Ludmila Hopianová, I?O 15295435 Technická normaliza?ní komise : TNK 116 Potraviny Pracovník ?eského normaliza?ního institutu: Ing. Gabriela Dufková
Coffee extracts and chicory extracts - Determination of the caffeine content in decaffeinated coffee extracts - etermination of the dry matter content in dried extract - Determination of the dry matter content in liquid extract