| Antioxidant activity of the new black vinegar "IZUMI". | |
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MedLine Citation:
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PMID: 21125203 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: "IZUMI" is a new kind of vinegar resulting from an improvement in the manufacturing method of Kurosu, a traditional vinegar product made from unpolished rice. We evaluated the antioxidant activity of this new Kurosu by means of measuring the level of diacron-reactive oxygen metabolites (d-ROM), the biological antioxidant potential (BAP), as well as RBC deformability using the microchannel array flow method. PARTICIPANTS: Ten healthy, untrained female volunteers participated in this study. MEASUREMENTS: All subjects drank 50 ml of "IZUMI" on a daily basis, and blood samples were collected pre-"IZUMI" (I), after one month "IZUMI" consumption (II), and after two months "IZUMI" consumption (III). The subjects continuously wore a lifecorder during a 7-day period and the nutritional intake was measured before the initial blood sample collection. RESULTS: There were no significant changes in weight, BMI, fat mass, or fat-free mass. There were no significant differences in daily energy consumption, physical activity and nutritional intake. Peripheral blood variables did not change significantly. The drinking of " IZUMI " increased serum BAP level gradually, and after 30 days it was significantly higher as compared to the pre-drinking level. The serum level of d-ROM and blood filtration time (BFT) decreased by drinking "IZUMI"; with d-ROM significantly lower than the pre-drinking level after 30 days and BFT significantly decreased after 60 days (all P < 0.05). CONCLUSIONS: These results suggest that "IZUMI", a Kurosu containing a higher level of amino acids, increases antioxidant activity and reduces oxidative stress and blood filtration time in female subjects. |
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Authors:
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M Nagashima; K Saito |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: The journal of nutrition, health & aging Volume: 14 ISSN: 1760-4788 ISO Abbreviation: J Nutr Health Aging Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-02 Completed Date: 2011-02-14 Revised Date: 2011-06-15 |
Medline Journal Info:
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Nlm Unique ID: 100893366 Medline TA: J Nutr Health Aging Country: France |
Other Details:
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Languages: eng Pagination: 845-9 Citation Subset: IM |
Affiliation:
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Department of Sport Life Style Management, National Institute of Fitness and Sports in Kanoya, Kanoya City, Japan. nagasima@nifs-k.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acetic Acid
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administration & dosage*,
adverse effects Amino Acids / administration & dosage, adverse effects, analysis Antioxidants / administration & dosage*, adverse effects, metabolism* Beverages* / adverse effects, analysis Diet Diet Records Erythrocyte Deformability Female Fermentation Functional Food* / adverse effects, analysis Humans Middle Aged Oryza sativa / chemistry, metabolism Oxidative Stress* Reactive Oxygen Species / blood* Seeds / chemistry, metabolism Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Amino Acids; 0/Antioxidants; 0/Reactive Oxygen Species; 64-19-7/Acetic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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