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Related Experiment Video

Updated: May 1, 2026

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

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

Published on: August 14, 2019

Flavonoids and stilbenoids from Derris eriocarpa.

Hong-Xia Zhang¹, Paul-Keilah Lunga², Zhi-Jian Li³

¹State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, PR China.

|April 2, 2014

Summary

Researchers isolated novel resveratrol analogues and prenylisoflavones from the ethnomedicinal plant Derris eriocarpa. Compound 2 showed significant antimicrobial activity against Candida and Microsporium species.

Keywords:

Antimicrobial activity Derris eriocarpa Prenylisoflavone Resveratrol analogue

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Area of Science:

Natural Product Chemistry
Ethnomedicine
Pharmacognosy

Background:

Derris eriocarpa (Leguminosae) is an ethnomedicinal plant with potential bioactive compounds.
Isolation and characterization of phytochemicals are crucial for understanding medicinal properties.

Purpose of the Study:

To isolate and characterize new chemical entities from Derris eriocarpa stems.
To evaluate the antimicrobial potential of the newly identified compounds.

Main Methods:

Phytochemical investigation involving isolation techniques.
Structure elucidation using spectroscopic methods, including 2D NMR.
Antimicrobial activity testing using minimal inhibitory concentration (MIC) assays.

Main Results:

Isolation of one new resveratrol analogue (1) and two new prenylisoflavones (2, 3).
Identification of one new natural product (4) and 17 known compounds.
Compound 2 demonstrated potent antimicrobial activity against Candida guilliermondii, C. albicans, and Microsporium gypseum (MIC = 12.5 μg/ml).

Conclusions:

The study successfully identified novel compounds from Derris eriocarpa.
The isolated prenylisoflavone (2) exhibits promising antimicrobial properties, warranting further investigation.