Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats

Finger millet (<i>Eleusine coracana</i>) contains high levels of calcium and polyphenols, which have a variety of beneficial functions. We tested the hypothesis that finger millet ethanol extracts (FEs) have an antihypertensive effect in spontaneously hypertensive rats (SHRs). The study...

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Autores principales: Se Yeong Park, Eun Woo Jeong, Yun Sun Yang, Hyun-Joo Kim, Gwang-woong Go, Hyeon Gyu Lee
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:a4f003f66ae640c18390863c5865e97b2021-11-25T16:28:01ZFinger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats10.3390/antiox101117662076-3921https://doaj.org/article/a4f003f66ae640c18390863c5865e97b2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3921/10/11/1766https://doaj.org/toc/2076-3921Finger millet (<i>Eleusine coracana</i>) contains high levels of calcium and polyphenols, which have a variety of beneficial functions. We tested the hypothesis that finger millet ethanol extracts (FEs) have an antihypertensive effect in spontaneously hypertensive rats (SHRs). The study groups were assigned as follows: (1) Wistar Kyoto rats (normal); (2) SHRs treated with saline (negative control); (3) SHRs treated with captopril 50 mg/kg bw (positive control); (4) SHRs treated with FE 250 mg/kg bw (FE250); and (5) SHRs treated with FE 500 mg/kg bw (FE500). FE supplementation improved the lipid profiles, including the triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels, without deterioration in liver function. The thiobarbituric acid reactive substance concentration and superoxide dismutase activity significantly improved after the application of FE250 and FE500. Interestingly, FE250 and FE500 application dramatically reduced the systolic blood pressure. FE supplementation exhibited powerful control over the renin-angiotensin system by reducing the angiotensin-converting enzyme levels and renin mRNA expression in the kidney. Additionally, FE500 application ameliorated vascular remodeling, reversed the thickening media, and decreased the media thickness/lumen diameter ratio of the aorta. These results imply that FEs are a potent antihypertensive nutraceutical for regulating the renin–angiotensin system and simultaneously inhibiting oxidative stress.Se Yeong ParkEun Woo JeongYun Sun YangHyun-Joo KimGwang-woong GoHyeon Gyu LeeMDPI AGarticleangiotensin-converting enzyme (ACE)antioxidanthypertensionfinger milletreninTherapeutics. PharmacologyRM1-950ENAntioxidants, Vol 10, Iss 1766, p 1766 (2021)
institution DOAJ
collection DOAJ
language EN
topic angiotensin-converting enzyme (ACE)
antioxidant
hypertension
finger millet
renin
Therapeutics. Pharmacology
RM1-950
spellingShingle angiotensin-converting enzyme (ACE)
antioxidant
hypertension
finger millet
renin
Therapeutics. Pharmacology
RM1-950
Se Yeong Park
Eun Woo Jeong
Yun Sun Yang
Hyun-Joo Kim
Gwang-woong Go
Hyeon Gyu Lee
Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
description Finger millet (<i>Eleusine coracana</i>) contains high levels of calcium and polyphenols, which have a variety of beneficial functions. We tested the hypothesis that finger millet ethanol extracts (FEs) have an antihypertensive effect in spontaneously hypertensive rats (SHRs). The study groups were assigned as follows: (1) Wistar Kyoto rats (normal); (2) SHRs treated with saline (negative control); (3) SHRs treated with captopril 50 mg/kg bw (positive control); (4) SHRs treated with FE 250 mg/kg bw (FE250); and (5) SHRs treated with FE 500 mg/kg bw (FE500). FE supplementation improved the lipid profiles, including the triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels, without deterioration in liver function. The thiobarbituric acid reactive substance concentration and superoxide dismutase activity significantly improved after the application of FE250 and FE500. Interestingly, FE250 and FE500 application dramatically reduced the systolic blood pressure. FE supplementation exhibited powerful control over the renin-angiotensin system by reducing the angiotensin-converting enzyme levels and renin mRNA expression in the kidney. Additionally, FE500 application ameliorated vascular remodeling, reversed the thickening media, and decreased the media thickness/lumen diameter ratio of the aorta. These results imply that FEs are a potent antihypertensive nutraceutical for regulating the renin–angiotensin system and simultaneously inhibiting oxidative stress.
format article
author Se Yeong Park
Eun Woo Jeong
Yun Sun Yang
Hyun-Joo Kim
Gwang-woong Go
Hyeon Gyu Lee
author_facet Se Yeong Park
Eun Woo Jeong
Yun Sun Yang
Hyun-Joo Kim
Gwang-woong Go
Hyeon Gyu Lee
author_sort Se Yeong Park
title Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
title_short Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
title_full Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
title_fullStr Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
title_full_unstemmed Finger Millet Ethanol Extracts Prevent Hypertension by Inhibiting the Angiotensin-Converting Enzyme Level and Enhancing the Antioxidant Capacity in Spontaneously Hypertensive Rats
title_sort finger millet ethanol extracts prevent hypertension by inhibiting the angiotensin-converting enzyme level and enhancing the antioxidant capacity in spontaneously hypertensive rats
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/a4f003f66ae640c18390863c5865e97b
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