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Sesquiterpene-neolignans from Manglietia hookeri
Xiaoqing Hu1, Xianjin Sui1, Yijing Wang1
1a College of Life and Environmental Sciences , Minzu University of China , Beijing , P.R. China.
Natural Product Research
|November 27, 2015
Summary
Researchers isolated new compounds from Manglietia hookeri, with some showing protective effects against UV-induced DNA damage in mouse cells. Compound 1 demonstrated the most significant protective activity, measured by the Olive Tail Moment.
Area of Science:
- Natural Product Chemistry
- Pharmacology
- Genetics
Background:
- Manglietia hookeri is a plant species with potential medicinal properties.
- Lignans and neolignans are classes of natural compounds known for diverse biological activities.
Purpose of the Study:
- To isolate and characterize compounds from Manglietia hookeri twigs.
- To evaluate the protective effects of isolated compounds against UV-induced DNA damage.
Main Methods:
- Comet assay-guided fractionation of plant extracts.
- Structure elucidation using spectral analysis (e.g., NMR, MS).
- Assessment of DNA damage protection in mouse lymphocyte cells.
Main Results:
- Isolation of three new sesquiterpene-neolignans and three known lignans.
- Compounds 1, 4, 5, and 6 exhibited protective effects against UV-induced DNA damage.
- The novel compound 1 showed the most potent protective effect, with the smallest Olive Tail Moment.
Conclusions:
- Manglietia hookeri twigs contain bioactive compounds with potential for DNA protection.
- The novel sesquiterpene-neolignan (1) is a promising candidate for further investigation into photoprotective agents.
