Inadequate vitamin intake linked with insulin resistance
University of Alabama, May 2 2022.
A greater risk of insulin resistance was revealed among women with acceptable calorie consumption whose folate and vitamin C intake were below the Dietary Reference Intake (DRI) values in a study reported in Nutrition, Metabolism and Cardiovascular Diseases. Adequate dietary intakes of essential micronutrients are critical to prevent the development of insulin resistance and insulin resistance-related diseases. However, since excess calorie intake linked with obesity is also associated with those diseases, it is important to meet the Dietary Reference Intake (DRI) of those micronutrients without exceeding recommended daily calorie intakes. Among women whose calorie intake was categorized as acceptable and who met the Food and Nutrition Board’s DRI of folate and vitamin C, the respective risks of insulin resistance were 59% and 66% lower than women who did not meet the DRIs. The study also showed that even with the consumption of over the recommended calorie intake, only 2% of women met the DRI of vitamin D and approximately only 30% met the DRIs of vitamins A and E, further emphasizing the fact that a significant proportion of women consume calorie-dense food rather than micronutrient-dense food.”
Ingesting soy protein may ease severity of inflammatory bowel disease
Penn State University, April 26, 2022
A diet supplemented with soy protein may be an effective adjunct therapy for inflammatory bowel diseases, Penn State researchers reported after completing a study that included mice and cultured human colon cells. The findings are significant because inflammatory bowel diseases -- including ulcerative colitis and Crohn's disease -- are characterized by either continuous or periodic inflammation of the colon and represent a significant risk factor for colon cancer. The team found that soy-protein concentrate can exert antioxidant and cytoprotective effects in cultured human bowel cells and can moderate the severity of inflammation in mice that have an induced condition similar to ulcerative colitis. Researchers, substituted soy-protein concentrate into the diet of the mice and removed corresponding amounts of the other protein sources, equaling about 12 percent. They kept human equivalents in mind as they determined the amount. The dietary soy-protein concentrate at the 12-percent dose level ameliorated body-weight loss and swelling of the spleen in the mice with induced inflammatory bowel disease. Soy-protein concentrate mitigates markers of colonic inflammation and loss of gut barrier function in the mice with induced IBD.
Study finds children with vegetarian diet have similar growth and nutrition compared to children who eat meat
St. Michael's Hospital (Toronto), May 2, 2022
A study of nearly 9,000 children found those who eat a vegetarian diet had similar measures of growth and nutrition compared to children who eat meat. The study, published in Pediatrics and led by researchers at St. Michael's Hospital of Unity Health Toronto, also found that children with a vegetarian diet had higher odds of underweight weight status, emphasizing the need for special care when planning the diets of vegetarian kids. The findings come as a shift to consuming a plant-based diet grows in Canada. In 2019, updates to Canada's Food Guide urged Canadians to embrace plant-based proteins, such as beans and tofu, instead of meat. Researchers found children who had a vegetarian diet had similar mean body mass index (BMI), height, iron, vitamin D, and cholesterol levels compared to those who consumed meat. The findings showed evidence that children with a vegetarian diet had almost two-fold higher odds of having underweight, which is defined as below the third percentile for BMI. There was no evidence of an association with overweight or obesity. Underweight is an indicator of undernutrition, and may be a sign that the quality of the child's diet is not meeting the child's nutritional needs to support normal growth. For children who eat a vegetarian diet, the researchers emphasized access to healthcare providers who can provide growth monitoring, education and guidance to support their growth and nutrition.
Blackcurrant extract triggers same process as statin drugs
University of Connecticut , April 29, 2022
Polyphenol-rich blackcurrant extract may prevent metabolic dysfunctions induced by diets high in fat and cholesterol, according to research in mice.
The results, published in the British Journal of Nutrition, found the extract reduced the percentage of mice with diet-induced severe steatosis (fatty liver), hypercholesterolaemia and hyperglycaemia. Total plasma cholesterol and glucose levels were significantly lower in the blackcurrant group compared to the control, yet plasma triglyceride (TAG) level were not significantly different.
The extract contained 25% anthocyanins and 40% polyphenols and the dose equated to a daily human consumption of about 540 mg of the extract and 135 mg anthocyanins.
The researchers said such an ingredient could help reduce disease risk since dyslipidaemia and hyperglycaemia were likely to contribute to metabolic diseases.
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