遮荫强度对叶绿素、类胡萝卜素及代谢物生物合成对绿茶品质的影响

IF 8 Q1 ENERGY & FUELS Energy nexus Pub Date : 2023-09-27 DOI:10.1016/j.nexus.2023.100241
Tamilselvi Elango , Anburaj Jeyaraj , Haripriya Dayalan , Santhosh Arul , Rajakumar Govindasamy , Kavya Prathap , Xinghui Li
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引用次数: 0

摘要

茶树(Camellia sinensis L.)是世界范围内重要的经济饮料作物。茶是最受欢迎的非酒精饮料,由茶树的新鲜嫩芽制成。茶叶的香气、口感和色泽是决定茶叶品质的最重要指标。遮光透光是提高茶叶营养价值和感官品质的最有效方法。茶树遮荫通过影响游离氨基酸、黄酮类化合物和芳香化合物的合成,提高茶的口感和香气。此外,遮荫可以显著增加茶叶的叶绿素含量,从而增强茶叶的着色。因此,遮荫处理显著调节了叶绿素生物合成、游离氨基酸生物合成和类黄酮生物合成途径相关基因的表达,从而提高了茶树的整体品质。然而,遮荫诱导的调节机制尚不清楚。因此,本文综述了遮荫对叶绿素、类胡萝卜素和质量相关代谢产物生物合成的影响,以改善绿茶的口感、香气和色泽。
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Influence of shading intensity on chlorophyll, carotenoid and metabolites biosynthesis to improve the quality of green tea: A review

Tea plant (Camellia sinensis L.) is an economically important beverage crop cultivated worldwide. Tea is the most popular non-alcoholic beverage, which is manufactured from fresh shoots of tea plants. The aroma, taste and color of tea are the most important index for determining tea quality. Manipulating light transmission by shading is the most effective method of improving the nutritional value and sensory qualities of tea. Shading on tea plant enhances the taste and aroma of tea by affecting the synthesis of free amino acids, flavonoids and aromatic compounds. Also, shading can significantly increase the chlorophyll content of tea leaves, leading to enhanced tea leaf coloration. Thus, the expression of genes related to chlorophyll biosynthesis, free amino acids biosynthesis and flavonoids biosynthesis pathways are significantly regulated by shading treatment to increase the overall quality of tea plants. However, the shading-induced regulatory mechanism remains unclear. Therefore, this review summarizes up to date knowledge of the shading effects on chlorophyll, carotenoid and quality-related metabolites biosynthesis for improvement of taste, aroma and color quality of green tea.

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来源期刊
Energy nexus
Energy nexus Energy (General), Ecological Modelling, Renewable Energy, Sustainability and the Environment, Water Science and Technology, Agricultural and Biological Sciences (General)
CiteScore
7.70
自引率
0.00%
发文量
0
审稿时长
109 days
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