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Fibrinogen Increases Resveratrol Solubility and Prevents it from Oxidation

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2020
Fibrinogen_Increases_Resveratrol_pub_2020.pdf (1.694Mb)
Authors
Gligorijević, Nikola
Radomirović, Mirjana Ž.
Rajković, Andreja
Nedić, Olgica
Ćirković-Veličković, Tanja
Article (Published version)
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Abstract
The French paradox describes a lower incidence of cardiovascular problems despite a high intake of saturated fats. This phenomenon was associated with higher consumption of red wine, as it was later discovered that the presence of antioxidants, including resveratrol, have beneficial effects. We hypothesized that resveratrol may have a more direct role in protection from harmful oxidation, presumably through binding to important proteins of the blood coagulation process. Spectrofluorimetry demonstrated that resveratrol is capable of binding to fibrinogen, the main protein in the coagulation process, which is also important as a food additive. Various spectroscopic methods determined that binding does not cause fibrinogen unfolding or destabilization since protein melting temperature remains unchanged. A mutually protective effect against the free radical-induced oxidation of polyphenol and fibrinogen was found. The presence of fibrinogen caused only a negligible masking effect of the an...tioxidative abilities of resveratrol, measured by a reduction of hexacyanoferrate (III), while greatly increasing its solubility in an aqueous environment, thus increasing its potential bioavailability. Due to its interaction with fibrinogen, resveratrol may serve as an antioxidant at the site of injury. The antioxidative effect of resveratrol may also protect and thus keep the desired characteristics of fibrinogen during the application of this protein as a food additive.

Keywords:
antioxidant / binding / fibrinogen / resveratrol / solubility
Source:
Foods, 2020, 9, 6, 780-
Publisher:
  • Multidisciplinary Digital Publishing Institute (MDPI)
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200168 (University of Belgrade, Faculty of Chemistry) (RS-200168)
  • Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije, Ugovor br. 451-03-68/2020-14/2019
  • Belgian Special Research Fund BOF STG, grant number 01N01718.
  • Serbian Academy of Sciences and Arts, grant number F-26.
  • FoodEnTwin-Twinning of research activities for the frontier research in the fields of food, nutrition and environmental omics (EU-810752)
  • The APC was funded by the European Commission, under the Horizon2020, FoodEnTwin Project, GA No. 810752

DOI: 10.3390/foods9060780

ISSN: 2304-8158

WoS: 000550038600001

Scopus: 2-s2.0-85087811706
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URI
http://cherry.chem.bg.ac.rs/handle/123456789/4235
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Hemijski fakultet

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