分子态氧对发光的猝灭作用，固有地限制着发光分析优良分析特性的实现，特别对液体样品。
Quenching of luminescence by molecular oxygen is an inherent limitation in fluorescence and phosphorescence analysis, especially for liquid sample.
番茄红素具有高效猝灭单线态氧和清除自由基的作用，其抗氧化性在类胡萝卜素中最强；
Lycopene has the functions of easily quenching singlet oxygen and deleting free radicals. Its antioxidant activity is one of the highest in the carotenoids.
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