Everything You Need to Know about GIEditorial Supervision: Seiichiro Aoe, Ph.D
Laboratory of Nutrition, Department of Food Science Dean Faculty of Home Economics, Otsuma Women's University
GI, or glycemic index, is an indicator of how much your blood glucose level rises after a meal.
GI is an abbreviation of the term "glycemic index" and is an indicator of how much your blood glucose level rises after a meal. In other words, it indicates how much of the sugar contained in foods are absorbed and is a measure of how much of that sugar is in your bloodstream up to two hours after you eat.
Foods with a GI value of 70 or higher are defined as high GI foods, foods between 56 and 69 as medium GI foods, and those with less than 55 are defined as low GI foods, when using glucose as the reference food (where glucose = 100) according to the University of Sydney.
GI first began to attract attention in the 1990s and was the subject of an FAO/WHO report in 1998. In 2003, the WHO issued a report stating that low GI foods had the potential to reduce the risk of being overweight, obesity, and type 2 diabetes. Following that, a variety of studies were carried out, resulting in an increased demand for low GI foods, which contain high fiber and have a low energy density.
Low GI foods have drawn a lot of attention because they are associated with the improvement and prevention of obesity and metabolic syndrome, two conditions that more and more people suffer from nowadays.
What is a healthy blood sugar level?
- Fasting blood sugar level 99mg/dL
(Japan Society of Ningen Dock)
- Postprandial blood sugar level (2 hours after eating) 7.8mmol/L (140mg/dL)
(International Diabetes Federation)
How can you lower blood sugar level?
What’s the definition of a low GI food?
Foods with a GI value of 70 or higher are defined as high GI foods, foods between 56 and 69 as medium GI foods, and those with less than 55 are defined as low GI foods, when using glucose as the reference food (where glucose = 100) according to the University of Syndey.
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