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Detection of CD40 Protein-Umbelliferone Interaction via Differential Scanning Fluorescence

Detection of CD40 Protein-Umbelliferone Interaction via Differential Scanning Fluorescence

Published on: March 1, 2024

Antitubercular diterpenoids from Vitex trifolia.

Neerja Tiwari¹, Jayprakash Thakur, Dharmendra Saikia

¹Analytical Chemistry Department, Central Institute of Medicinal and Aromatic Plants (Council of Scientific and Industrial Research), Lucknow, India.

Phytomedicine : International Journal of Phytotherapy and Phytopharmacology

|March 7, 2013

Summary

Three new diterpenoids were isolated from Vitex trifolia leaves. Two compounds, 9-hydroxy-13(14)-labden-15,16-olide and isoambreinolide, showed significant antitubercular activity against Mycobacterium tuberculosis.

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Area of Science:

Natural Product Chemistry
Medicinal Chemistry
Pharmacology

Background:

Vitex trifolia is a plant species with a history of traditional medicinal use.
Diterpenoids are a class of natural products with diverse biological activities.
Tuberculosis remains a significant global health challenge, necessitating the search for new therapeutic agents.

Purpose of the Study:

To isolate and characterize new diterpenoid compounds from Vitex trifolia.
To evaluate the antitubercular activity of isolated compounds against Mycobacterium tuberculosis.

Main Methods:

Phytochemical investigation involving extraction and fractionation of Vitex trifolia leaves.
Structure elucidation of isolated compounds using comprehensive spectral analysis (NMR, NOESY).
Antitubercular activity screening using BACTEC-460 assay against Mycobacterium tuberculosis H37Rv.

Main Results:

Isolation of three new diterpenoids: a halimane diterpenoid (1) and two labdane diterpenoids (2, 3).
Fifteen known compounds were also identified.
Compounds 3 (9-hydroxy-13(14)-labden-15,16-olide) and isoambreinolide (4) demonstrated antitubercular activity with minimum inhibitory concentrations (MIC) of 100 μg/ml and 25 μg/ml, respectively.

Conclusions:

Vitex trifolia is a source of novel diterpenoids with potential therapeutic applications.
Compounds 3 and isoambreinolide show promising antitubercular activity, warranting further investigation for drug development.