杨桃的酚类成分含量及其生物可及性与抗氧化活性
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罗牡康,贾栩超,张瑞芬,刘磊,董丽红,池建伟,白亚娟,张名位
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Phenolic Content, Bioavailability and Antioxidant Activity of Carambola
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MuKang LUO,XuChao JIA,RuiFen ZHANG,Lei LIU,LiHong DONG,JianWei CHI,YaJuan BAI,MingWei ZHANG
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表1 单体酚类物质的优化离子碎片
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Table 1 Precursor and products ions of authentic standards used in the LC-MS/MS analysis
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化合物 Compound | 保留时间 Retention time (min) | 特征离子Characteristic ion (m/z) | 碰撞能量Collision energy (V) | 1 | 2 | 1 | 2 | 原儿茶酸 Protocatechuic acid | 2.59 | 153.06→109.11 | 153.06→91.18 | 12.99 | 23.90 | 原花青素B2 Proanthocyanidin B2 | 5.90 | 577.15→407.04 | 577.15→425.06 | 20.87 | 12.98 | 表儿茶素 Epicatechin | 7.88 | 289.15→245.04 | 289.15→203.04 | 13.49 | 17.74 | 对香豆酸 p-Coumaric acid | 9.66 | 163.06→119.11 | 163.06→93.15 | 12.33 | 29.47 | 阿魏酸 Ferulic acid | 12.13 | 193.06→134.11 | 193.06→178.00 | 14.75 | 11.47 | 异槲皮苷 Isoquercitrin | 15.23 | 463.15→300.00 | 463.15→301.01 | 25.27 | 19.96 |
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