摘要
为给大麦主要黄酮类化合物含量的快速测定及开发利用提供依据,对利用高效液相色谱技术(HPLC)分离和同时测定大麦中黄酮类化合物儿茶素、杨梅素、槲皮素、山奈酚含量的方法进行了研究。结果表明,采用HPLC同时测定4种大麦黄酮类化合物的优化色谱条件为:YMC-Pack ODS AM-303(5μm,250 mm-4.6mmi.d.)色谱柱;流动相A-0.1%冰乙酸水溶液,B-乙睛,梯度洗脱;流速0.8 mL/min,进样量10μL。儿茶素、杨梅素、槲皮素、山奈酚分别在0.063-2.000μg(R^2=0.9999)、0.034-1.100μg(R^2=0.9998)、0.025-0.800μg(R^2=0.9993)、0.018-0.560μg(R^2=0.9995)成良好的线性关系,加样回收率分别为96.88%(RSD=1.30%)、98.30%(RSD=0.57%)、96.29%(RSD=1.20%)、101.59%(RSD=0.73%)。测定方法简便、快捷,结果准确、重复性好,可用于大麦4种主要黄酮类化合物的同时测定。
In order to determine the contents of barley flavonoids of catechin, myricetin, quercetin and kaempferol, the use of HPLC Separation and Determination of Flavonoids in Barley catecbin, myricetin, quercetin, kaempferol content were investigated. The results showed that while the HPLC was carried out on MC-Pack ODS AM-303 (5 μm, 250 mm-4.6 mm i. d. ) column, the mobile phase was distilled water with 0.1% glacial acetic acid (solvent A) and acetonitrile (solvent B), the flow rate was 0.8 mL · min^-1 and 10 μL sample of each filtrate was used, the calibration curves were linear in the range of 0. 063-2. 000 μg (R^2 =0. 9999) for eatechin, 0. 034-1. 100 μg (R^2 =0. 9998) for myricetin, 0. 025-0. 800 μg (R^2 = 0. 9993) for quercetin and 0. 018-0. 560 μg (R^2 =0. 9995) for kaempferol, with average recoveries of 96.88%(RSD=1. 30%), 98.30%(RSD=0.57%), 96.29%(RSD=1. 20%) and 101. 59% (RSD= 0.73%), respectively. The assay demonstrated that the method was simple, accurate to quantify the four active components in barley simuniously.
出处
《麦类作物学报》
CAS
CSCD
北大核心
2009年第4期618-622,共5页
Journal of Triticeae Crops
基金
云南省中药现代化科技专项项目(2002ZY-24)
农业部公益性行业科研专项项目(nyhyzx07-001-大麦)
农业部“948”重大项目(2006-G9-5)
国家科技支撑计划项目(2006BAD02B04)