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Updated: May 8, 2026

2D-HPLC-MS Technology Combined with Molecular Network for the Identification of Components in Tibetan Medicine Aconitum pendulum

2D-HPLC-MS Technology Combined with Molecular Network for the Identification of Components in Tibetan Medicine Aconitum pendulum

Published on: December 8, 2023

Four new lignans from Schisandra sphenanthera.

Yun-Fang Li¹, Yan Jiang, Jing-Fang Huang

¹a Laboratory for Natural Product Chemistry, College of Pharmacy, South Central University for Nationalities , Wuhan , 430074 , China.

Journal of Asian Natural Products Research

|August 16, 2013

Summary

Researchers isolated three new 7,8-secolignans and one new dibenzocyclooctadiene lignan from Schisandra sphenanthera rattan. Their structures were confirmed using advanced NMR spectroscopic techniques.

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Area of Science:

Natural Product Chemistry
Organic Chemistry
Pharmacognosy

Background:

Schisandra sphenanthera is a traditional medicinal plant with a rich history of use.
Lignans are a diverse class of natural compounds known for their various biological activities.
Phytochemical investigations are crucial for discovering novel bioactive compounds.

Purpose of the Study:

To isolate and characterize new lignan compounds from the rattan of Schisandra sphenanthera.
To elucidate the chemical structures of these isolated compounds.
To contribute to the understanding of the phytochemical diversity of Schisandra species.

Main Methods:

Extraction and isolation of compounds from Schisandra sphenanthera rattan.
Structure elucidation using comprehensive 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopic data analysis.

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2D-HPLC-MS Technology Combined with Molecular Network for the Identification of Components in Tibetan Medicine Aconitum pendulum

2D-HPLC-MS Technology Combined with Molecular Network for the Identification of Components in Tibetan Medicine Aconitum pendulum

Published on: December 8, 2023

Comparison with known lignan structures.

Main Results:

Three new 7,8-secolignans, designated schisandlignans A-C (1, 2, and 4), were identified.
One new dibenzocyclooctadiene lignan, schisandlignan D (5), was isolated.
Nine known lignans, including gomisin J and (+)-1-hydroxy pinoresinol, were also identified and characterized.

Conclusions:

The study successfully identified novel lignan structures from Schisandra sphenanthera.
The findings expand the known chemical diversity of lignans from this plant species.
The structural characterization provides a basis for further pharmacological investigations.