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Published in: BMC Complementary Medicine and Therapies 1/2023

Open Access 01-12-2023 | Research

Angiotensin converting enzyme (ACE) inhibitors activity from purified compounds Fructus Phaleria macrocarpa (Scheff) Boerl

Authors: Aprilita Rina Yanti Eff, Hasniza Zaman Huri, Maksum Radji, Abdul Mun’im, F. D. Suyatna, Yonatan Eden

Published in: BMC Complementary Medicine and Therapies | Issue 1/2023

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Abstract

Background

Mahkota Dewa [Phaleria macrocarpa (Scheff) Boerl.] fruit in vitro and in- vivo can decrease and prevent elevation of the blood pressure, lower plasma glucose levels, possess an antioxidant effect, and recover liver and kidney damage in rats. This study aimed to determine the structure and inhibitory activity of angiotensin-converting enzyme inhibitors (ACE) from the Mahkota Dewa fruit.

Methods

The fruit powder was macerated using methanol and then partitioned by hexane, ethyl acetate, n-butanol, and water. The fractions were chromatographed on the column chromatography and incorporated with TLC and recrystallization to give pure compounds. The structures of isolated compounds were determined by UV-Visible, FT-IR, MS, proton (1H-NMR), carbon (13C-NMR), and 2D-NMR techniques encompassing HMQC and HMBC spectra. The compounds were evaluated for their ACE inhibitory activity, and the strongest compound was determined by the kinetics enzyme inhibition.

Results

Based on the spectral data, the isolated compounds were determined as 6,4-dihydroxy-4-methoxybenzophenone–2-O-β-D-glucopyranoside (1), 4,4′-dihydroxy-6-methoxybenzophenone-2-O-β-D-glucopyranoside (2) and mangiferin (3). IC50 values of the isolated compounds 1, 2 and 3 were 0.055, 0.07, and 0.025 mM, respectively.

Conclusion

The three compounds have ACE inhibitor and mangiferin demonstrated the best ACE inhibitory activity with competitive inhibition on ACE with the type of inhibition kinetics is competitive inhibition.
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Metadata
Title
Angiotensin converting enzyme (ACE) inhibitors activity from purified compounds Fructus Phaleria macrocarpa (Scheff) Boerl
Authors
Aprilita Rina Yanti Eff
Hasniza Zaman Huri
Maksum Radji
Abdul Mun’im
F. D. Suyatna
Yonatan Eden
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2023
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/s12906-023-03889-x

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