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首页> 外文期刊>Journal of food, agriculture & environment >Variability of phenolics, alpha-tocopherol and amygdalin contents of selected almond (Prunus amygdalus Batsch.) genotypes
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Variability of phenolics, alpha-tocopherol and amygdalin contents of selected almond (Prunus amygdalus Batsch.) genotypes

机译：选定的杏仁（李桃木基因型）基因型的酚类，α-生育酚和苦杏仁苷含量的变异性

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摘要

Phenolic compounds may be regarded as one factor contributing to quality of fruits and juice because of high antioxidative effects. Limited information is available concerning the qualitative and quantitative composition of polyphenolic compounds in almonds. The phenolic acids, alpha-tocopherol and amygdalin contents of the 14 selected almond genotypes were investigated in the study. Catechin was the major phenolic acid ranging from 11.1 to 227.2 mu g/g, followed by caffeic acid (2.9-32.1 mu g/g), epicatechin (2.0-23.5 mu g/g) and gallic acid (2.4-16.1 mu g/g). alpha-Tocopherol contents of genotypes were between 143.97 and 462.78 mu g/g, and significant differences were observed amongst genotypes. The highest amygdalin content was detected in slightly bitter almond genotype Isp-9 (22.53 mg/g). Amygdalin contents of sweet almond genotypes ranged from 1.53 to 11.56 mg/g. The results showed large variability amongst genotypes in phenolic acids, alpha-tocopherol and amygdalin contents.
机译：酚类化合物由于具有很高的抗氧化作用，可以被认为是提高水果和果汁质量的一个因素。关于杏仁中多酚化合物的定性和定量组成的信息有限。在这项研究中，研究了14种选定杏仁基因型的酚酸，α-生育酚和苦杏仁苷的含量。儿茶素是主要的酚酸，范围从11.1至227.2微克/克，其次是咖啡酸（2.9-32.1微克/克），表儿茶素（2.0-23.5微克/克）和没食子酸（2.4-16.1微克/克） G）。基因型的α-生育酚含量在143.97和462.78μg/ g之间，并且在基因型之间观察到显着差异。在微苦杏仁基因型Isp-9中检测到最高的苦杏仁苷含量（22.53 mg / g）。甜杏仁基因型的苦杏仁苷含量为1.53至11.56 mg / g。结果表明，酚酸，α-生育酚和苦杏仁苷含量的基因型之间存在较大差异。

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