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The 24α- and 24β-epimers of 24-ethylcholesta-5,22-dien-3β-ol in two Clerodendrum species

✍ Scribed by Toshihiro Akihisa; yuzuru Matsubara; Parthasarathi Ghosh; Swapnadip Thakur; Naoto Shimizu; Toshitake Tamura; Taro Matsumoto

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
329 KB
Volume
27
Category
Article
ISSN
0031-9422

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High-performance thin-layer chromatograp
High-performance thin-layer chromatographic method for quantitative determination of 4α-methyl-24β-ethyl-5α-cholesta-14,25-dien-3β-ol, 24β-ethylcholesta-5,9(11),22E-trien-3β-ol, and betulinic acid in Clerodendrum inerme
✍ Richa Pandey; Ram K. Verma; Madan M. Gupta 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 482 KB

## Abstract A sensitive, selective, precise, and robust high‐performance thin‐layer chromatography method was developed and validated for analysis of two new recently isolated sterols, 4α‐methyl‐24β‐ethyl‐5α‐cholesta‐14,25‐dien‐3β‐ol (**1**) and 24β‐ethylcholesta‐5,9(11),22__E__‐trien‐3β‐ol (**2**)