摘要
根据检测不同高氯酸浓度和水解温度对大豆种子的水解效果,检测不同流动相对鸟嘌呤、腺嘌呤、次黄嘌呤、黄嘌呤4种成分的分离效果,建立了稳定准确的大豆种子中多组分嘌呤含量的高效液相色谱分析方法。结果表明:在100℃条件下,35%(v/v)的高氯酸处理60 min时豆粉水解效果最佳;使用Welch Ultimate Polar RP18(4.6 mm×250 mm,5.0μm)色谱柱以0.02 mol·L^(-1)磷酸二氢钾缓冲液(pH2.9)作为流动相时,4种嘌呤在0.05~25 mg·L^(-1)浓度范围内均可完全分离且响应峰面积与浓度呈良好线性相关(r>0.999 9),相对标准偏差为2.97%~6.25%,加标回收率为89.19%~110.97%。
A stable and accurate HPLC (high performance liquid chromatography) procedure for measuring multiple components of purines in soybean seeds was established based on choosing an appropriate HClO4 content and temperature for hydrolysis of mashed soybean specimen and choosing an appropriate buffer solution mobile phase. The optimized hydrolysis condition was hydrolyzing mashed soybean seed with 35% (v/v) of HClO4 for 60 min at 100℃. The optimized chromatography condition was using Welch Ultimate Polar RP18 (4. 6 mm× 250 mm, 5.0 μm) as chromatographic column with 0. 02 mol·L^-1 KH2 P04 buffer solution (pH2.9) as mobile phase at flow rate of 1.0 mL·min^-1. Under this system, the ademine, guanine, hypoxanthine and xanthine within 0. 05 -25 mg·L^-1 could be fully separated and the response peak area was linearly correlated with purine content perfectly (r 〉 0. 999 9 )with the range of relative standard deviation (RSD or CV) as 2. 97% -6. 25% and the range of spiked recovery rate as 89. 19% -110. 97%.
出处
《大豆科学》
CAS
CSCD
北大核心
2016年第4期655-659,共5页
Soybean Science
基金
国家重点基础研究发展计划"973计划"(2011CB1093)
农业部公益性行业专项(201203026-4)
国家自然科学基金(31571694)
教育部111项目(B08025)
教育部长江学者和创新团队(PCSRT13073)
中央高校基本科研业务费项目(KYZ201202-8)
国家现代农业产业技术体系(CARS-04)
江苏省优势学科建设工程专项
江苏省JCIC-MCP项目
关键词
大豆种子
嘌呤含量
高效液相色谱分析
Soybean seed
Purine Content
High performance liquid chromatography (HPLC)