高效液相色谱法同时检测淀粉类食品中添加的姜黄色素与类胡萝卜素化合物
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(1.福建出入境检验检疫局检验检疫技术中心,福建 福州 350001; ;2.福建中检华日食品安全检测有限公司,福建 福州 350015)

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杨方 女 主任技师 研究方向为食品理化分析 E-mail:yffjciq@gmail.com

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Simultaneous determination of curcuminoids and carotenoids in starchy foods by high performance liquid chromatography
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(Fujian Entry-exit Inspection and Quarantine Bureau,Fujian Fuzhou 350001,China)

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    摘要:

    建立了淀粉类食品中姜黄色素与类胡萝卜素化合物的高效液相色谱分析方法。方法 采用环已烷-乙酸乙酯二元体系提取试样中姜黄素、去甲氧基姜黄素、双去甲氧基姜黄素、叶黄素和β-胡萝卜素,硅胶SPE柱净化,YMCTM Carotenoid 色谱柱(250 mm×4.6 mm,5 μm)分离,甲基叔丁基醚和甲醇-水梯度洗脱。对所分析化合物的稳定性、前处理条件及色谱条件进行了探讨与优化。结果 5种分析物在0.5~100 μg/ml范围内线性关系良好,相关系数为0.998 4~0.999 8。在1~100 mg/kg浓度范围内,平均加标回收率为68.5%~101.2%,相对标准偏差为3.4%~10.4%。定量限为1 mg/kg。结论 本方法稳定、可靠,可应用于实际样品的检测。

    Abstract:

    An effective high-performance liquid chromatography (HPLC) method was developed for the determination of curcumin, demethoxycurcumin, bisdemethoxycurcumin, β-carotenoid and lutein in starchy foods, and could be applied to the routine work.MethodsThe compounds were extracted from homogenized samples using cyclohexane-ethyl acetate (80∶20, V/V) and cleaned up with silica gel SPE cartridges, then separated by a YMCTM carotenoid column (250 mm×4.6 mm, 5 μm). The influence of extraction solvents and mobile phase on resolution was investigated. ResultsThe method was validated with respect to precision, accuracy, and linearity. The linear range was 0.5-100 μg/ml in spiked samples and the coefficients were 0.998 4-0.999 8. The average recoveries and the relative standard deviation ranged from 68.5%-101.2% and 3.4%-10.4%, respectively, for the spiked levels ranging at 1-100 mg/kg for each compound. The limits of quantification (LOQ) of all compounds were 1 mg/kg.ConclusionThis method was suitable for the determination of curcuminoides and carotenoids in starchy food.

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杨方,张盼盼,钱疆,陈健,张玉燕.高效液相色谱法同时检测淀粉类食品中添加的姜黄色素与类胡萝卜素化合物[J].中国食品卫生杂志,2014,26(6):558-562.

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  • 收稿日期:2014-02-19
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  • 在线发布日期: 2014-12-19
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