2023; Chemical and Biological Sciences 57 (2 (261): 77–89
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HERBAL INFUSIONS AS INHIBITORS OF TRYPSIN ACTIVITY IN WATER AND POLAR ORGANIC SOLVENT–WATER SYSTEMS

Ameer Khalid Jamal*, Ali Qutaiba Mohammed, Abdulrahman Hameed Rasheed, Ahmed Raheem Al-Rubbawi, Gohar A. Shahinyan

Received: 2025-03-03 · Published: 2023-05-31

© 2023 The Author(s) and the original publisher.

CC BY-NC 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Original title
HERBAL INFUSIONS AS INHIBITORS OF TRYPSIN ACTIVITY IN WATER AND POLAR ORGANIC SOLVENT–WATER SYSTEMS
Authors
Ameer Khalid Jamal, Ali Qutaiba Mohammed, Abdulrahman Hameed Rasheed, Ahmed Raheem Al-Rubbawi, Gohar A. Shahinyan
Published
2023-05-31
Licence
Creative Commons Attribution-NonCommercial 4.0 International
Original
https://doi.org/10.46991/PYSU:B/2023.57.2.077

Abstract

The inhibition of digestive enzyme trypsin by polyphenolic compounds derived from mountainous herbal infusions, as well as the effect of polarity and acidity of the media on this process were studied by virtue of UV-Vis absorption spectroscopy at 293.15 K. Mountainous herbal infusions (thyme, peppermint) are well known due to their biomedical significance and wide use as a beverage. The binding constant (Kb) and standard Gibbs energy change (ΔG0) were calculated. The obtained results show that polyphenols extracted from herbal infusions significantly inhibit trypsin. Moreover, the effect of thyme infusion is stronger compared with that of peppermint. The results show that the change of both polarity and H-bonding ability of polar organic cosolvent significantly alters the value of Kb, indicating that H-bonds and electrostatic interactions are the main driving forces in these interactions.
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