68097
(−)-表儿茶素
analytical standard
别名:
(-)-顺式-3,3′,4′,5,7-五羟基黄烷, (2R,3R)-2-(3,4-二羟基苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇
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关于此项目
经验公式（希尔记法）:
C15H14O6
化学文摘社编号:
分子量:
290.27
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
207-710-1
Beilstein/REAXYS Number:
92760
MDL number:
产品名称
(−)-表儿茶素, analytical standard
InChI
1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1
InChI key
PFTAWBLQPZVEMU-UKRRQHHQSA-N
SMILES string
O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
grade
analytical standard
assay
≥97.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
mp
240 °C (dec.) (lit.)
application(s)
food and beverages
format
neat
shipped in
wet ice
storage temp.
2-8°C
Quality Level
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Application
(−)-表儿茶素可作为分析参考标准品，通过高效液相色谱技术对绿茶中分析物进行定量。
有关合适仪器技术的更多信息，请参考产品分析证书。如需进一步支持，请联系技术服务。
General description
(−)-表儿茶素是一种单体儿茶素和多酚成分，属于黄烷-3-酚类。它主要存在于苹果、苹果制品和绿茶中。
Packaging
无底玻璃瓶。内含物在插入的融合锥体内。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Food Sci. Technol., 26(2), 394-400 (2006)
Recent Advances in Polyphenol Research, 26(2), 394-400 (2009)
Alice Cattivelli et al.
Foods (Basel, Switzerland), 10(5) (2021-06-03)
The impact of domestic cooking (baking, boiling, frying and grilling) and in vitro digestion on the stability and release of phenolic compounds from yellow-skinned (YSO) and red-skinned onions (RSO) have been evaluated. The mass spectrometry identification pointed out flavonols as
Andrej Živković et al.
Foods (Basel, Switzerland), 10(4) (2021-05-01)
The aim was to investigate the effects of the cold dehulling of buckwheat seeds on their germination, total phenolic content (TPC), antioxidant activity (AA) and phenolics composition. Cold dehulling had no negative effects on germination rate and resulted in faster
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