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Related Experiment Video

Updated: Jul 4, 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

[Studies on flavonoids from Blumea riparia].

Jia-Qing Cao¹, Shu-Wei Sun, Huan Chen

¹School of Traditional Chinese Material Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.

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

|July 1, 2008

Summary

Six novel flavonoids were isolated from Blumea riparia, marking the first documented discovery of these compounds in the plant. This research advances our understanding of Blumea riparia

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

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Flavonoid Content During the Growth and Floral Development of Calendula officinalis L.

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Area of Science:

Phytochemistry
Natural Product Chemistry
Organic Chemistry

Context:

Blumea riparia is a plant species with potential medicinal properties.
Identifying its chemical constituents is crucial for understanding its bioactivity.
Previous research has not fully characterized the flavonoid content of Blumea riparia.

Purpose:

To isolate and identify the chemical constituents of Blumea riparia.
To characterize the structures of isolated compounds using spectral and physical data.

Summary:

Six flavonoids were successfully isolated from Blumea riparia.
The identified compounds include eriodictyol-7, 4'-dimethyl ether (1), eriodictyol-7, 3'-dimethyl ether (2), eriodictyol-7-methyl ether (3), quercetin-7, 3', 4'-trimethyl ether (4), tamarixetin (5), and rhamnocitrin (6).
These six compounds represent the first reported isolation from Blumea riparia.

Impact:

This study expands the known chemical profile of Blumea riparia.
The identified flavonoids may possess significant biological activities.
Provides a foundation for further pharmacological investigations of Blumea riparia.