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Epitheaflagallin 3-O-gallate

Cat. No. M39159
Epitheaflagallin 3-O-gallate Structure
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Biological Activity

Epitheaflagallin 3-O-gallate is a minor polyphenol in black tea. Epitheaflagallin 3-O-gallate exhibits antioxidative activity, pancreatic lipase inhibition, and an inhibiting effect on the activity of matrix metalloprotease-1 and -3 and their synthesis by human gingival fibroblasts.

Chemical Information
Molecular Weight 552.44
Formula C27H20O13
CAS Number 102067-92-5
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Nobuya Itoh et al. J Agric Food Chem. Functional Characterization of Epitheaflagallin 3-O-Gallate Generated in Laccase-Treated Green Tea Extracts in the Presence of Gallic Acid

[2] Nobuya Itoh et al. Enzyme Microb Technol. Characterization and cloning of laccase gene from Hericium coralloides NBRC 7716 suitable for production of epitheaflagallin 3-O-gallate

[3] Naoto Oku et al. Biol Pharm Bull. Inhibitory effect of green tea polyphenols on membrane-type 1 matrix metalloproteinase, MT1-MMP

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