Stevia Rebaudiana is used as herbal sweetener by Paraguay people for over 1500 years. The sweetness in Stevia Rebaudiana is mainly attributed to two glycoside compounds: Stevioside (3-10% of dry leaf weight) and rebaudioside A (1-3%) which can be up to 250 times sweeter than sucrose. Stevia’s greatest appears to be a natural alternative to artificial sweeteners (such as aspartame or sodium saccharin). Stevioside is white or light yellow powder or crystalline in normal room temperature. It has pure sweetness, no odor and its taste is similar to sucrose but its aftertaste lasts longer than sucrose. It contains only one third calorie of sucrose. It is non alcoholic solution, low toxicity and wide range of application. It is called the third natural sugar source after cane sugar and beet sugar. Stevioside in the human body does not participate in the physiological, biochemical reaction, but also has a certain degree of inhibition of bacterial and antiseptic effect, good security.
Stevioside product has the following characteristics:
Stevioside is a natural sweetener extracted from the stevia one kind of Asteraceae herb, indentified as “Green Food” by the China Green Food Development Center.
The calorie of stevioside is only 1/3 of sucrose, and it can be used to make all kinds of low-calorie food, beverage. The stevioside is especially healthy for patients who are suffering diabetes, obesity, hypertension, atherosclerosis and decayed tooth.
The main ingredient is Stevioside and Rebaudioside-A and its sweetness is equivalent to 200-400 times that of sucrose. It has pure sweetness, cool lingering taste which is similar to sucrose. It can greatly reduce the cost of production, saving more than 60% cost compared with sucrose, and also save shipping and storage costs.
Stevia is considered as a good nutritional supplements and health food by the international medical community. 400 years ago, indigenous people took it as a herbal medicine treating colds, influenza, fistula hyperemia disease. According to modern medical research, Stevia is conducive to regulate blood sugar, blood pressure, increasing energy and brainpower as well as helping the body to lose weight and control body weight. Additionally, it also has a good effect for skin care and treatment for various skin diseases.
Stevioside is stable in acid, alkali, heat and light and has the characteristics of non-fermentable, not moldy in long-term storage, no browning phenomenon by heat treatment. In the food and beverage, it is used as sweetener which is conducive to inhibit bacterial growth and prolong shelf life.
What are the applications?
As a new sweetener, RA has a wide application in food, beverage and daily chemicals industries. Generally, RA can be used to subsititute for cane sugar and other chemical sweeteners in all products. Up to now, thousands of products have been developed with RA, such as:
Rebaudioside A can be widely used in a variety kind of beverages, such as carbonated drinks, juice drinks and lactic acid drinks. Using of RA is not only in line with the idea of healthy, sugar-free drinks nowadays, and also can greatly reduce the cost of beverage. A recent survey by the U.S government showed that the culprit cause of the majority Americans obesity is because the excess sugars in Cokes, and plan to impose a "sin taxes" to those beverage companies. However, RA almost does not produce any heat, and it is the best choice to solve the obesity problem caused by drinks.
Tea made from RA and other material has therapeutic & preventive effect to adiposis, hypertension and caries.
Stevia moon cake and cookie, etc. These desserts can be used for nutrition or health purposes or for special purposes for children and the elderly.
Used in fruits, fish and meat canned food. RA in them can improve the taste as well as inhibit corruption and extend the validity.
With RA pickles will be more lasting, palatable and less perishable. RA can also inhibit the corruption of the protein of canned fish and seaweed, improving the taste and lowering the cost.
-Liquor & Wine
RA can mild-en the acidity of wine (roxburgh rose, seabuckthorn fruit and grape) and liquor, and perpetuate the foam of beer.
-Chewing Gum and Daily Chemicals
RA can add sweetness to chewing gum and tooth paste, and inhibit the growth of bacteria in month and the incurrence of caries. QA can be found in various chewing gums, tooth paste and daily chemicals.
In 1992, the use of RA in drugs was approved by the Ministry of Public Health. Till now, many drugs contain RA have been developed, including Vc(orange taste) and other.