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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Related Experiment Video

Updated: Mar 28, 2026

Biosynthesis of a Flavonol from a Flavanone by Establishing a One-pot Bienzymatic Cascade

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[Flavonoids from Selaginella uncinata].

Mei-ling Yi, Xi-feng Sheng, Kang-ping Xu

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica

|December 19, 2015

Summary

Nine flavonoids, including five novel flavonoid glycosides, were isolated from Selaginella uncinata. This study expands the known chemical diversity of Selaginella species.

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Area of Science:

Phytochemistry
Natural Product Chemistry

Context:

Selaginella uncinata is a plant species with potential medicinal properties.
Flavonoids are a diverse class of plant secondary metabolites with various biological activities.

Purpose:

To isolate and identify flavonoid compounds from the 75% ethanol extract of Selaginella uncinata.
To characterize the isolated compounds using physico-chemical properties and spectroscopic data analysis.

Summary:

Nine flavonoids were successfully isolated and purified using multiple chromatographic techniques.
The identified compounds include cirsimarin, nepitrin, and several apigenin derivatives.
Compounds 1-5, identified as flavonoid glycosides, represent the first isolation of this class from the Selaginella genus.

Impact:

This research contributes to the understanding of the phytochemical profile of Selaginella uncinata.
The discovery of novel flavonoid glycosides may open avenues for further pharmacological investigations.