Black Bean the Best on Ameliorated Oxidative Stress in Chronic Diseases

Black bean may be used as a functional food to counter the overexpression of free radicals through improved antioxidant activity, a university study postulated.

Oxidative Stress is the imbalance between free radical and antioxidant expression.
Black bean, small roughly ovoid legumes with glossy black shells, genus Phaseolus, belongings to the family Fabaceae can be bought in most grocery stores all around the year in dried and canned forms. It is believed that black bean was first domesticated growth in South America.

According to the University of Illinois at Urbana-Champaign, the use of common bean peptides may contribute to a reduced risk of complications associated with chronic diseases, including oxidative stress.

Proteins and synthesized pure peptides from Mexican black and Brazilian Carioca bean, all showed a significantly rate in reduced oxidative stress through overexpression of antioxidant activity.

In a randomized, controlled, crossover trial, 12 adults with metabolic syndrome (MetS) consumed one of three meals (black bean (BB), fiber matched (FM), and antioxidant capacity matched (AM)) on three occasions, then blood of participants is collection before (fasting) and five hours postprandially, Oxidized LDL (oxLDL) showed a trend of declining observed after the Back Bean and antioxidant capacity matched meals at five hours compared to the FM group.

Dr. Reverri EJ, the lead author said:" black beans with a typical Western-style meal attenuates postprandial insulin and moderately enhances postprandial antioxidant endpoints in adults with MetS, which could only be partly explained by fiber content and properties of antioxidant capacity".

In the compared black bean peel extract (BBPE), pomegranate peel extract (PPE) and a combination of the two (PPE + BBPE), on streptozotocin-induced diabetic mice study conducted by the Xuzhou Medical College, after 4 weeks of injection, researchers found that PPE, BBPE or PPE + BBPE, DM mice showed in some different degrees, a decrease in blood glucose, increases in insulin secretion and the pancreas weight index, and an increase in antioxidative activity.

The result indicated that mice treated with black bean or combination of black bean showed a significant in reduced levels of oxidative stress through enhanced antioxidant activities.

Taking together, the black bean may have a potential used as therapeutic whole food therapy for treatment in reduced oxidative stress in chronic illness.

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Biography
Kyle J. Norton(Scholar, Master of Nutrients), all right reserved.
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.


Sources
(1) Characterization of peptides from common bean protein isolates and their potential to inhibit markers of type-2 diabetes, hypertension and oxidative stress by Mojica L1,2, Luna-Vital DA1,3, González de Mejía E1.(PubMed)
(2) Black Beans, Fiber, and Antioxidant Capacity Pilot Study: Examination of Whole Foods vs. Functional Components on Postprandial Metabolic, Oxidative Stress, and Inflammation in Adults with Metabolic Syndrome by Reverri EJ1, Randolph JM2, Steinberg FM3, Kappagoda CT4, Edirisinghe I5, Burton-Freeman BM6,(PubMed)
(3) Extracts of black bean peel and pomegranate peel ameliorate oxidative stress-induced hyperglycemia in mice by Wang JY1, Zhu C1, Qian TW1, Guo H1, Wang DD1, Zhang F1, Yin X1.(PubMed)