Shen, Jiazhi published the artcileMetabolite profiling of tea (Camellia sinensis L.) leaves in winter., COA of Formula: C6H10O7, the publication is Scientia Horticulturae (Amsterdam, Netherlands) (2015), 1-9, database is CAplus.
Tea (Camellia sinensis L.) is a thermophilic evergreen woody perennial. It is poor in cold tolerance during winter. Changes occurred at metabolite level in low temperatures were poorly understood in tea plants. In this study, Metabolite profiling of tea leaves was performed to investigate the responses of tea plants to different cold conditions by using gas chromatog.-mass spectrometry (GC-MS) and multivariate anal. A total of 105 metabolites were identified. Principal component anal. (PCA) revealed that the tea leaves in plastic greenhouse (DP) and natural condition (OA) were clearly separated by their sampling times and growth conditions. The levels of changed metabolites could be organized in four clusters by hierarchical clustering anal. (HCA). According to the pathway, raffinose, maltose, glucose and fructose derived from the hydrolysis of sucrose were all more abundant in leaves of OA than those of DP. Despite temperature fluctuation, leucine, valine, threonine, alanine were all in higher level in leaves of DP than those of OA except Nov. 16. Citric acid, fumaric acid and malic acid were in higher level under the higher temperature in DP. Shikimic acid and quinic acid presented an absolutely distinct metabolism pattern. Shikimic acid was neg. correlated with quinic acid in both treatments except Mar. 16. They were at high level on Nov. 16, and then decreased sharply in the following periods in both treatments during the experiment The results indicated that the different low temperatures had significantly different effects on tea plants and could change their metabolic pathways in different ways. These might be helpful to understand the mechanism of cold resistance of tea plants at the metabolite level and to facilitate the future research on gene and protein expression in tea plants of DP and OA in winter.
Scientia Horticulturae (Amsterdam, Netherlands) published new progress about 526-98-7. 526-98-7 belongs to alcohols-buliding-blocks, auxiliary class Sugar Units,Other Sugar Units, name is (3S,4R,5S)-3,4,5,6-Tetrahydroxy-2-oxohexanoic acid, and the molecular formula is C15H14BNO4S, COA of Formula: C6H10O7.
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