Currently, this product is of synthetic origin.
C1251
(+)-Catechin hydrate
≥98% (HPLC), powder
Sinônimo(s):
(+)-Cyanidol-3, (2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
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5 G
R$ 707,00
10 G
R$ 1.221,00
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5 G
R$ 707,00
10 G
R$ 1.221,00
About This Item
Fórmula empírica (Notação de Hill):
C15H14O6 · xH2O
Número CAS:
Peso molecular:
290.27 (anhydrous basis)
Beilstein:
3595244
Número CE:
Número MDL:
Código UNSPSC:
12352200
ID de substância PubChem:
NACRES:
NA.77
Produtos recomendados
Ensaio
≥98% (HPLC)
Formulário
powder
cor
yellow to yellow with tan cast
pf
175-177 °C (anhydrous) (lit.)
solubilidade
ethanol: 50 mg/mL
temperatura de armazenamento
2-8°C
cadeia de caracteres SMILES
[H]O[H].O[C@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
InChI
1S/C15H14O6.H2O/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;1H2/t13-,15+;/m0./s1
chave InChI
OFUMQWOJBVNKLR-NQQJLSKUSA-N
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Descrição geral
Catechins are phytochemicals, richly present in black grapes, peaches, strawberries and broad beans. Catechins occur in various forms such as catechins, epicatechin, epicatechin gallate, epigallocatechin and epigallocatechin gallate.[1]
Aplicação
(+)-Catechin hydrate has been used:
- as a polyphenol standard in the determination of total polyphenols in the by-products of red wine[2]
- as an additive to study its effects on in vitro methane production and substrate degradation in a triple-fed batch approach[3]
- as a substrate to determine the activity of pure L. plantarum CECT 748T 14 recombinant tannase on catechin[4]
Ações bioquímicas/fisiológicas
An antioxidant flavonoid of plant origin; a free radical scavenger, preventing free radical-mediated damage in a variety of biological systems. For example, at physiological pH catechin suppressed DNA strand breaks by hydroxyl radicals. It has also been shown to prevent human plasma oxidation. It delayed the consumption of endogenous lipid-soluble antioxidants and inhibited lipid oxidation. Catechin may also function as an inhibitor of fatty acid synthase.
Palavra indicadora
Warning
Frases de perigo
Declarações de precaução
Classificações de perigo
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Órgãos-alvo
Respiratory system
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
dust mask type N95 (US), Eyeshields, Gloves
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Christine Ziegler et al.
Molecular microbiology, 78(1), 13-34 (2010-10-07)
Increases in the environmental osmolarity are key determinants for the growth of microorganisms. To ensure a physiologically acceptable level of cellular hydration and turgor at high osmolarity, many bacteria accumulate compatible solutes. Osmotically controlled uptake systems allow the scavenging of
Nutrition and Health Info Sheet: Catechins (2008)
S B Lotito et al.
Free radical biology & medicine, 24(3), 435-441 (1998-01-23)
Based on the recognized capacity of (+)-catechin (CTCH) to prevent free radical-mediated damage in different biological systems, its role in the protection of human plasma from oxidation was investigated. Samples of human blood plasma were incubated with 50 mM AAPH
J Ueda et al.
Archives of biochemistry and biophysics, 333(2), 377-384 (1996-09-15)
The reactivities of various antioxidative compounds including catechol derivatives and endogenous radical scavengers toward hydroxyl radical (.OH) were investigated by an electron spin resonance-spin trapping method, thiobarbituric acid method, and DNA strand scission assay. Hydroxyl radical was generated by both
Hadeer M Ezzat et al.
International journal of pharmaceutics, 565, 488-498 (2019-05-18)
Catechin hydrate is a phytopharmaceutical with promising anticancer effects but poor bioavailability. This study aimed to elaborate catechin loaded chitosan-tethered liposomes (chitosomes) to enhance catechin oral bioavailability. Nanocarriers were optimized via ethanol injection method followed by physicochemical, ex vivo and
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Protocolos
Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide
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