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Biotransformation of lantadene A (22β-angeloyloxy-3-oxoolean-12-en-28-oic acid), the pentacyclic triterpenoid, byAlcaligenes faecalis

✍ Scribed by Anita Singh; Om P. Sharma; Rajinder K. Dawra; Sarbjit S. Kanwar; Shashi B. Mahato


Book ID
110261747
Publisher
Springer Netherlands
Year
1999
Tongue
English
Weight
88 KB
Volume
10
Category
Article
ISSN
0923-9820

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Spectrophotometric determination of lant
✍ O.P. Sharma; H.P.S. Makkar; R.K. Dawra 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 336 KB

The formation of a blue chromogen between sodium borohydride-treated lantadene A (22@angeloyloxy-3-oxoolean-12-en-2%oic acid) and acetic anhydride-sulfuric acid (9: 1) formed the basis of a spectrophotometric method for its quantitation. The chromogen had a broad absorption maximum (X,,) at 630-645