Recently, the United States, "Journal of Medicinal Foods" published an article pointed out that Mexican researchers conducted in vitro and in vivo studies have shown Stevia extract has the effect of inhibiting obesity. Numerous experimental data show that low-calorie sweetener food and beverage products help reduce energy intake and weight control. Earlier studies have also shown that stevioside has health benefits in improving obesity and diabetes.
At present, many studies are analyzing plant anti-obesity, anti-hyperglycemia, anti-hyperlipidemic effect, which are related to metabolic disorders. Abdominal obesity, inflammation and diabetes all add to the risk of cardiovascular disease. Researchers at Autonomous University of Yucatan, Mexico, say many of the chemosynthetic drugs treat the above conditions, but some of these drugs have side effects such as lactic acidosis, metallic taste and vitamin B12 deficiency. As a result, consumers are very much interested in new natural-sourced pharmaceutical products. Stevia is one of them, with a wide range of safe and healthy eating history around the world.
The incidence of cardiovascular diseases is on the rise. According to the World Health Organization (WHO) data, from 1995 to 2014, the number of people with diabetes in the world has increased to 30 million. It is estimated that the number will rise to 366 million U.S. dollars in 2030. Global obesity patients have shown a double-fold increase since 1980. The researchers said rats stevia oral administration of 3-9 weeks of time, there will be a corresponding reduction in body weight.
Natural sweeteners, stevia extract stevia is the oldest, of which food and beverage is the largest application position. According to the market data of Mintel, there are 3,223 food and beverage products containing stevia at the end of 2016, of which 1396 are beverage products. The application of natural sweeteners in food and beverage products has become the global health industry trend.It is estimated that the market will reach 7.7 billion U.S. dollars at a CAGR of 9.5% by 2022.
Currently, stevia extract is not only used as a natural sweetener, which contains other phytochemicals also have health effects. These ingredients include diterpenes, triterpenes, stigmasterol, tannins, vitamin C, alkaloids, steroids, saponins, flavonoids, beta-carotene, chromium, cobalt, magnesium, iron, potassium, phosphorus, Flavins, thiamine, austroinilina, glycosides, β-sitosterol, tin, zinc, caryophyllene, cyanidin,apigenin,caffeic acid, chlorophyll, kaempferol, campesterol, chlorogenic acid,Fusulin and quercetin.
A 2015 study showed that stevia not only increased satiety but also lowered blood glucose and postprandial insulin levels compared to aspartame, SR, and sweeteners. Another human clinical study shows that stevia can lower blood pressure. For example, taking 250 mg of stevioside for one year in a hypertensive patient showed that subjects had a marked reduction in cardiac contractions and diastolic values after 2 months without any side effects on biochemical parameters. In the future, more studies will be conducted to analyze the different mechanisms of action of stevia on human health.
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