Camellia sinensis (L.) O. Ktze.

Camellia sinensis (L.) O. Ktze. (43):

Cat. No.	Product Name	CAS No.	Purity	Chemical Structure

Theophylline	58-55-9	99.89%
Theophylline (1,3-Dimethylxanthine) is a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. Theophylline (1,3-Dimethylxanthine) inhibits PDE3 activity to relax airway smooth muscle. Theophylline (1,3-Dimethylxanthine) has anti-inflammatory activity by increase IL-10 and inhibit NF-κB into the nucleus. Theophylline (1,3-Dimethylxanthine) induces apoptosis. Theophylline (1,3-Dimethylxanthine) can be used for asthma and chronic obstructive pulmonary disease (COPD) research.

HY-N0898

Catechin 154-23-4 99.57%

Catechin ((+)-Catechin) inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM.

Catechin	154-23-4	99.57%
Catechin ((+)-Catechin) inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 1.4 μM.

Saponins	8047-15-2	98.36%
Saponins (Saponin) is a class of chemical compound of glycosides found in particular abundance in various plant species. In plants, Saponins may serve as anti-feedants, and to protect the plant against microbes and fungi.

(-)-Epicatechin	490-46-0	99.0%
(-)-Epicatechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 3.2 μM. (-)-Epicatechin inhibits the IL-1β-induced expression of iNOS by blocking the nuclear localization of the p65 subunit of NF-κB.

Xanthine	69-89-6	99.91%
Xanthine, a plant alkaloid found in tea, coffee, and cocoa, is a mild stimulant of the central nervous system. Xanthine also acts as an intermediate product on the pathway of purine degradation.

Theophylline (Standard)	58-55-9
Theophylline (Standard) is the analytical standard of Theophylline. This product is intended for research and analytical applications. Theophylline (1,3-Dimethylxanthine) is a potent phosphodiesterase (PDE) inhibitor, adenosine receptor antagonist, and histone deacetylase (HDAC) activator. Theophylline (1,3-Dimethylxanthine) inhibits PDE3 activity to relax airway smooth muscle. Theophylline (1,3-Dimethylxanthine) has anti-inflammatory activity by increase IL-10 and inhibit NF-κB into the nucleus. Theophylline (1,3-Dimethylxanthine) induces apoptosis. Theophylline (1,3-Dimethylxanthine) can be used for asthma and chronic obstructive pulmonary disease (COPD) research.

(-)-Epicatechin (Standard)	490-46-0
(-)-Epicatechin (Standard) is the analytical standard of (-)-Epicatechin. This product is intended for research and analytical applications. (-)-Epicatechin inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 3.2 μM. (-)-Epicatechin inhibits the IL-1β-induced expression of iNOS by blocking the nuclear localization of the p65 subunit of NF-κB.

(-)-Epicatechin gallate (Standard)	1257-08-5
(-)-Epicatechin gallate (Standard) is the analytical standard of (-)-Epicatechin gallate. This product is intended for research and analytical applications. (-)-Epicatechin gallate (Epicatechin gallate) inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 7.5 μM.

(-)-Epigallocatechin	970-74-1	99.66%
(-)-Epigallocatechin (Epigallocatechin) is the most abundant flavonoid in green tea, can bind to unfolded native polypeptides and prevent conversion to amyloid fibrils.

Theaflavin 3,3'-digallate	30462-35-2	99.73%
Theaflavin 3,3'-digallate (TF-3) is a potent Zika virus (ZIKV) protease inhibitor with an IC₅₀ of 2.3 μM. Theaflavin 3,3'-digallat directly binds to ZIKVpro (K_d=8.86 µM) and inhibits ZIKV replication. Theaflavin 3,3'-digallat inhibits the activity of gp41 and NS2B-3 protease and has antiviral activity against HSV and HIV-1. Theaflavin 3,3'-digallate, the typical pigment in black tea, is a potent antitumor agent.

HY-N0002

(-)-Epicatechin gallate 1257-08-5 98.57%

(-)-Epicatechin gallate (Epicatechin gallate) inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 7.5 μM.

(-)-Epicatechin gallate	1257-08-5	98.57%
(-)-Epicatechin gallate (Epicatechin gallate) inhibits cyclooxygenase-1 (COX-1) with an IC₅₀ of 7.5 μM.

L-Theanine	3081-61-6	98.84%
L-Theanine (L-Glutamic Acid γ-ethyl amide) is a non-protein amino acid contained in green tea leaves, which blocks the binding of L-glutamic acid to glutamate receptors in the brain, and with neuroprotective, anticancer and anti-oxidative activities. L-Theanine can pass through the blood–brain barrier and is orally active.

Tea polyphenol	84650-60-2	≥99.0%
Tea polyphenol is the floorboard of phenolic compounds in tea. Tea polyphenol exhibits biological activity including antioxidant and anti-cancer activities, inhibition of cell proliferation, induction of apoptosis, cell cycle arrest and modulation of carcinogen metabolism.

HY-N0522

(-)-Gallocatechin gallate 4233-96-9 99.97%

(-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

(-)-Gallocatechin gallate	4233-96-9	99.97%
(-)-Gallocatechin gallate is the polyphenol isolated from tea, with cancer-preventive activities.

Theaflavin-3'-gallate	28543-07-9	98.68%
Theaflavin-3'-gallate, a black tea theaflavin monomer, is regarded as the biologically important active component of black tea and provides health benefits. Theaflavin-3'-gallate acts as prooxidants and induces oxidative stress in the carcinoma cells. Theaflavin-3'-gallate reacts directly with reduced glutathione (GSH) in a time- and concentration-dependent manner.

Methyl 3,4-dihydroxybenzoate	2150-43-8	99.88%
Methyl 3,4-dihydroxybenzoate (Protocatechuic acid methyl ester; Methyl protocatechuate) is a major metabolite of antioxidant polyphenols found in green tea. Antioxidant and anti-inflammatory effect.

HY-N0521A

(+)-Gallocatechin 970-73-0 99.96%

(+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity.

(+)-Gallocatechin	970-73-0	99.96%
(+)-Gallocatechin is a polyphenol compound from green tea, possesses anticancer activity.

(-)-Epigallocatechin-3-(3''-O-methyl) gallate	83104-87-4	99.83%
(-)-Epigallocatechin-3-(3''-O-methyl) gallate ((-)-EGCG-3''-O-ME) is a natural product that can be isolated from the tea leaf, with strong antioxidative activity. (-)-Epigallocatechin-3-(3''-O-methyl) gallate has a strong cytotoxic activity for rat cancer cells.

Terpinen-4-ol	562-74-3	98.58%
Terpinen-4-ol (4-Carvomenthenol) is a naturally occurring monoterpene, and can be extracted from a variety of aromatic plants. Terpinen-4-ol is a potent bactericidal agent which possess antifungal , anti-inflammatory and antitumor properties as well, suggesting Terpinen-4-ol to be used for relevant research.

HY-N0356

(-)-Catechin gallate 130405-40-2 99.98%

(-)-Catechin gallate is a minor constituent in green tea catechins. (-)-Catechin gallate inhibits the activity of COX-1 and COX-2 enzymes.

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