Navy Bean Normalizes Postprandial Glycemic Response

Diabetes is a chronic disease associated with insufficient insulin entering the bloodstream to regulate the glucose caused by either the cells in pancreas died-off or receptor sites clogged-up by fat and cholesterol.
Hyperglycemia is a condition of abnormally high levels of glucose in the bloodstream.

Glycemic response is a change in blood glucose after consuming a carbohydrate-containing food compared to Glycemic Index (GI) that ranks carbohydrate-containing foods according to their effect on blood glucose levels.

In other words, the glycemic response is the change of blood glucose after the intake of a food or meal.

Postprandial blood glucose is the levels taken after 2 hours of a meal, generally at the approximate peak value in patients with diabetes.

According to the 2015 statistics by the American Diabetes Association, in the U.S. over 30.3 million Americans or 9.4% of the population are living with diabetes. Sadly, out of 30.3 million adults with diabetes, 23.1 million were diagnosed, and 7.2 million were undiagnosed.

Believe it or not, in 2015, 84.1 million Americans age 18 and older had prediabetes.

Most people who are not prediabetes or diabetes have normal blood glucose and insulin levels that rise within the range after eating, then return to the fasting levels over a short period of time.

According to the epidemiological studies, by controlling the glycaemic response with the healthy range, the glycaemic response can reduce the risk of type 2 diabetes. Some researchers suggested including additional fibers into a meal or food can reduce the levels of glucose shortly after intake.


By managing postprandial blood glucose effectively, diabetics can decrease the risk of microvascular (retinopathy, nephropathy, and neuropathy) and cardiovascular disease (CVD).


The small, white navy bean, also called pea bean or haricot, popular in both dry and green forms, is very popular in Britain and the US, native to Peru. It is now grown and consumed across the world, due to their numerous health benefits.

With an aim to find a potential compound for the improvement of postprandial glycaemic response, researchers examined the effect of dietary intake of pulses, including navy bean.

The study included healthy young men received commercially prepared pulse powders and BG response was recorded before and after a subsequent meal.

More precisely, participants were randomly divided into a whole, puréed and powdered pulses (navy beans in Expt 1; lentils in Expt 2; chickpeas in Expt 3) and whole-wheat flour as the control.

After a fixed-energy pizza meal (50·2 kJ/kg body weight) was provided at 120 min, the BG concentration was measured before (0-120 min) and after (140-200 min) the pizza meal, researchers found that
* Compared with the whole-wheat flour control, navy bean treatments lowered peak BG concentrations but not the mean BG concentration over 120 min.

* Compared to nay bean, all lentil and chickpea lower the mean BG concentration over 120 min after treatments

* Moreover, processing pulses to powdered form does not eliminate the benefits of whole pulses on BG response.

Based on the finding, researchers said, "the use of pulse powders as value-added food ingredients to moderate postprandial glycaemic response".

Taken altogether, Navy bean used alone or combined with conventional medicine may be considered a remedy for the improvement of postprandial glycaemic response, pending to the confirmation of the larger sample size and multicenter human study.

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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, 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 Bioscience, ISSN 0975-6299.

Sources
(1) The acute effect of commercially available pulse powders on postprandial glycaemic response in healthy young men by Anderson GH1, Liu Y1, Smith CE1, Liu TT1, Nunez MF1, Mollard RC1, Luhovyy BL. (PubMed)
(2) First and second meal effects of pulses on blood glucose, appetite, and food intake at a later meal by Mollard RC1, Wong CL, Luhovyy BL, Anderson GH. (PubMed)