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首页> 外文期刊>LWT-Food Science & Technology >In vitro antioxidant capacity of tomato products: Relationships with their lycopene, phytoene, phytofluene and alpha-tocopherol contents, evaluation of interactions and correlation with reflectance measurements
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In vitro antioxidant capacity of tomato products: Relationships with their lycopene, phytoene, phytofluene and alpha-tocopherol contents, evaluation of interactions and correlation with reflectance measurements

机译：番茄制品的体外抗氧化能力：与番茄红素，番茄红素，番茄八素和α-生育酚含量的关系，相互作用的评估以及与反射率测量的相关性

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摘要

Tomato products were analysed for their carotenoids and alpha-tocopherol contents to study the contribution of individual compounds to the antioxidant capacity and assess the existence of interactions. Besides, the applicability of reflectance measurements for the estimation of the Trolox Equivalent Antioxidant Capacity (TEAC) was explored. Statistically significant regression coefficients were found between TEAC values and carotenoids and alpha-tocopherol levels. Lycopene seemed to have the highest contribution, followed by phytofluene. The results showed that the antioxidant capacity of phytofluene warrants further investigation. It was observed that there can be interactions between lycopene and alpha-tocopherol, although just the lycopene/alpha-tocopherol ratio cannot be used to predict the kind of interaction. More knowledge of these interactions would supply new tools for the industry to develop more optimized ingredients. Finally, the lycopene levels and TEAC values can be estimated by considering reflectance readings at certain wavelengths, which is important for field and quality control applications. (C) 2015 Elsevier Ltd. All rights reserved.
机译：分析番茄产品的类胡萝卜素和α-生育酚含量，以研究单个化合物对抗氧化能力的贡献并评估相互作用的存在。此外，还探讨了反射率测量在估算Trolox等效抗氧化能力（TEAC）方面的适用性。在TEAC值与类胡萝卜素和α-生育酚水平之间发现统计学上显着的回归系数。番茄红素似乎贡献最大，其次是植物氟。结果表明，植物氟的抗氧化能力值得进一步研究。观察到番茄红素和α-生育酚之间可能存在相互作用，尽管仅番茄红素/α-生育酚比率不能用于预测相互作用的种类。对这些相互作用的更多了解将为工业界提供更多新工具，以开发更多优化成分。最后，可以通过考虑某些波长下的反射率读数来估算番茄红素水平和TEAC值，这对于现场和质量控制应用很重要。 （C）2015 Elsevier Ltd.保留所有权利。

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