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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Identification and Quantification of Caffeoylquinic Acids and Flavonoids from Artichoke (Cynara scolymus L.) Heads,Juice,and Pomace by HPLC-DAD-ESI/MS~n
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Identification and Quantification of Caffeoylquinic Acids and Flavonoids from Artichoke (Cynara scolymus L.) Heads,Juice,and Pomace by HPLC-DAD-ESI/MS~n

机译：HPLC-DAD-ESI / MS〜n对洋蓟头，果汁和果渣中咖啡酰奎尼酸和类黄酮的鉴定与定量

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摘要

A method for the identification and quantification of phenolic compounds from artichoke (Cynara scolymus L) heads,juice,and pomace by HPLC with diode array and mass spectrometric detection was developed.Among the 22 major compounds,11 caffeoylquinic acids and 8 flavonoids were detected.Quantification of individual compounds was carried out by external calibration.Apigenin 7-O-glucuronide was found to be the major flavonoid in all samples investigated.1,5-Di-O-caffeoylquinic acid represented the major hydroxycinnamic acid,with 3890 mg/kg in artichoke heads and 3269 mg/kg in the pomace,whereas in the juice 1,3-di-O-caffeoylquinic acid (cynarin) was predominant,due to the isomerization during processing.Total phenolic contents of approx12 g/kg on a dry matter basis revealed that artichoke pomace is a promising source of phenolic compounds that might be recovered and used as natural antioxidants or functional food ingredients.
机译：建立了用二极管阵列和质谱检测HPLC鉴定和鉴定洋蓟头，果汁和果渣中酚类化合物的方法，共检测出22种主要化合物中的11种咖啡酰奎尼酸和8种黄酮类化合物。通过外部校准对单个化合物进行定量分析，发现芹菜素7-O-葡萄糖醛酸是所有研究样品中的主要黄酮类化合物.1,5-二-O-咖啡酰奎尼酸是主要的羟基肉桂酸，含量为3890 mg / kg在朝鲜蓟头中，在果渣中为3269 mg / kg，而在果汁中1,3-二-O-咖啡酰奎尼酸（cynarin）占主导地位，这是由于加工过程中的异构化所引起的。物质基础表明，朝鲜蓟果渣是一种很有希望的酚类化合物来源，可以被回收并用作天然抗氧化剂或功能性食品成分。

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