Stevia Extract Major glycosides
Stevioside with stevioside instead of part of the sugar or all the alternative saccharin and other chemical synthesis of sweeteners. Now thousands of products are developed, summarized as follows: fruit fruit cake, such as: then plum fruit application of stevioside, not only sweet and refreshing delicious. Alcohol with stevioside to join such as thorns, seabuckthorn, grapes and other wine and liquor, can reduce the spicy wine, improve the flavor. Can also increase the beer bubble, white, lasting. Meat food with stevia glycosides by adding sausage, ham, bacon and other food, can improve the flavor and extend the shelf life. Daily products with stevioside added chewing gum, toothpaste, can promote the product sweet, but also reduce the harmful bacteria in the mouth proliferation, reduce the occurrence of dental caries. A variety of toothpaste, chewing gum and cosmetics have been used stevioside. The Ministry of Health in 1992 approved the application of stevioside in medicine. Has developed a number of products, such as orange flavor VC, Diabetes throat tablets, pediatric prescription Xinnuo Ming, cough syrup, zinc gluconate oral liquid. Others such as multi-flavor melon seeds, fool melon seeds, stevia, cigarettes, sweet corn milk and so on.
This standard applies to stevia leaves as raw materials, extracted, refined derived from the food additives stevioside. The main glycosides are stevioside and rebaudioside A, and other known glycosides include rebaudioside B, rebaudioside C, rebaudioside D, rebaudioside F, Duke glycoside A, sweet tea and stevia Disaccharide glycosides.
A.2.1 Stevioside and rebaudioside A test In the stevioside test, the two main peaks of stevioside and rebaudioside A in the liquid chromatogram of the sample solution should correspond to the chromatogram of the mixed standard solution.
A.2.2 pH of the sample solution Weigh 1 g of the sample, dissolved in 100 mL of water, and the pH of the sample solution was measured from an acidity meter at 4.5 to 7.0.
In foreign countries, especially in economically developed countries and regions, stevioside has been widely used. Almost all foods in Japan use it as a sweetener to replace or partially replace the chemical synthesis of saccharin, sodium cyclamate and most of the sugar, and in the pharmaceutical industry has also been widely used. Japan's application of stevioside hundreds of products, the amount used in 2000 reached 500 tons or more, in recent years the amount of 10% to 20% of the rate of increase from China every year from the purchase of more than 400 tons of stevioside, while imports of stevia Dry leaves of thousands of tons. South Korea each year from China to buy stevioside more than 400 tons. Europe and the United States and Southeast Asia are also competing to buy China's stevioside. According to statistics, in recent years, China's stevioside exports accounted for more than 75% of total output. Therefore, in the next few years and even a long period of time, the global demand for stevioside will be on the rise.
