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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Determination of stilbenes in hop pellets from different cultivars
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Determination of stilbenes in hop pellets from different cultivars

机译:不同品种啤酒花颗粒中西地平的测定

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摘要

About 30% of the polyphenols in wort and beer derive from hop, but little is yet known about their nutritional impact. The recent discovery of trans-resveratrol and piceid isomers in hop opens new doors to understanding beer health benefits. In the present work, resveratrol was quantified by HPLC-APCI-MS/MS in pellets from 9 different cultivars. Concentrations ranging from 4 to 9 mg/kg transpiceid, from 2 to 6 mg/kg cis-piceid, and up to 1 mg/kg trans-resveratrol were detected. As previously shown for total polyphenols and flavonoids, the lower the α-acid content, the higher the total stilbene content.
机译:麦芽汁和啤酒中约30%的多酚来自啤酒花,但对其营养影响知之甚少。啤酒花中反式白藜芦醇和二十碳三烯异构体的最新发现为了解啤酒健康益处打开了新的大门。在本工作中,通过HPLC-APCI-MS / MS对来自9个不同品种的沉淀物中的白藜芦醇进行了定量。检测到的浓度范围为4至9 mg / kg反式白藜芦醇,2至6 mg / kg顺式-Piceid和最高1 mg / kg反式白藜芦醇。如先前对于总多酚和类黄酮所示,α-酸含量越低,二苯乙烯总含量越高。

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