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Published on: August 16, 2018
Triterpenoids from Peganum nigellastrum
Zhong-Ze Ma1, Yoshio Hano, Feng Qiu
1Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba, Japan. zhongze_ma@hms.harvard.edu
Journal of Asian Natural Products Research
|September 22, 2007
Summary
Researchers identified two triterpenoids from Peganum nigellastrum roots. One is a novel triterpene ester, while the other is a known compound new to the Peganum genus.
Area of Science:
- Natural Product Chemistry
- Phytochemistry
- Organic Chemistry
Background:
- Peganum nigellastrum is a plant species with potential medicinal properties.
- The chemical constituents of P. nigellastrum are not fully characterized.
- Triterpenoids are a diverse class of natural products with various biological activities.
Purpose of the Study:
- To isolate and elucidate the structures of compounds from the roots of Peganum nigellastrum.
- To identify novel natural products from this plant source.
- To contribute to the phytochemical knowledge of the Peganum genus.
Main Methods:
- Extraction of compounds from Peganum nigellastrum roots.
- Structure elucidation using spectroscopic techniques (e.g., NMR, MS).
- Comparison with known compounds through literature data.
Main Results:
- Two triterpenoids were successfully isolated and characterized.
- Compound 1, 3alpha-acetoxy-27-trans-caffeoyloxyolean-12-en-28-oic acid methyl ester, was identified as a new triterpene ester.
- Compound 2, 3-oxotirucalla-7, 24-dien-21-oic acid, is a known compound, reported for the first time in the Peganum genus.
Conclusions:
- The study successfully identified two triterpenoids from Peganum nigellastrum roots.
- A novel triterpene ester was discovered, expanding the known repertoire of natural products.
- The isolation of compound 2 represents a new finding for the Peganum genus, enriching its phytochemical profile.
