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US 5,212,076 AGranted
Production of quercetin glucuronide
AssigneeNippon Paint Co., Ltd.
InventorsYoshikazu Yamamoto, Yasuhiro Kinoshita
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Abstract
The present invention provides a dye other than red and purple which is obtained from cultured cells of Euphorbia milli. The present invention also provides cultured cells containing quercetin glucuronide in a large amount, derived from tissues or cells of Euphorbia milli.
Claims1
A process for producing quercetin glucuronide comprising;
- culturing tissues or cells of Euphorbia milli to form callus,
- dividing the callus to small lumps,
- selecting yellowing lumps,
- repeating the above steps, and
- collecting yellowish cultured cells and extracting with a neutral organic solvent.
2 more elements
Dependencies are inferred from the claim text.