Mallojaponin is a hydrolysable tannin found in the bark of ''

Mallotus japonicus ''Mallotus japonicus'' (), also known as East Asian mallotus, the food wrapper plant or "Akamegashiwa" in Japanese, is a plant species in the genus '' Mallotus'' native to China. It is also found in Japan and Korea. This species was first descr ...

''. This compound contains the moiety elaeocarpusinic acid, an oxidized hexahydroxydiphenic acid group (

dehydrohexahydroxydiphenic acid Dehydrohexahydroxydiphenic acid is a group found in dehydro ellagitannins. It is formed from hexahydroxydiphenic acid (HHDP) through oxidation of the plant hydrolysable tannins.Correlation of oxidative transformations of hydrolyzable tannins and p ...

or DHHDP) which reacted with a

dehydroascorbic acid Dehydroascorbic acid (DHA) is an oxidized form of ascorbic acid (vitamin C). It is actively imported into the endoplasmic reticulum of cells via glucose transporters. It is trapped therein by reduction back to ascorbate by glutathione and othe ...

molecule. It also contains a

valoneic acid Valoneic acid is a hydrolysable tannin. It is a component of some hydrolysable tannins such as mallojaponin. The difference with its isomer sanguisorbic acid is that the hydroxyl that links the hexahydroxydiphenoyl (HHDP) group to the galloyl ...

and a

gallic acid Gallic acid (also known as 3,4,5-trihydroxybenzoic acid) is a trihydroxybenzoic acid with the formula C6 H2( OH)3CO2H. It is classified as a phenolic acid. It is found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants ...

moieties linked to a glucose molecule.

References

Ellagitannins {{aromatic-stub