Several compounds in coffee may contribute to its antioxidant capacity, including phenols, volatile aroma compounds and oxazoles that are efficiently absorbed.

咖啡中的一些成分有助于咖啡的抗氧化能力，包括可以被有效吸收的苯酚、可挥发的芳香族化合物、唑。

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The cluster analysis based on the hop volatile compounds can be used to find the proximity of hop aroma and to distinguish hop varieties.

以酒花挥发性成分为基础对酒花进行聚类分析，既能寻找酒花的替代品也能够进行酒花品种的鉴定。

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The volatile aroma compounds was also emphasized here.

并且着重介绍了多种肉香挥发性化合物。

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Scientists reckon there are more than 1, 200 of them, of which perhaps 700-800 are volatile compounds responsible for aroma.

ECONOMIST: Espresso coffee