Stevioside Powder

What is stevioside?

Stevioside powder, also known as stevia and stevia extract, is a glycoside that was extracted from the Asteraceae herbaceous plant Stevia rebaudiana (or stevia leaf) in 1931 by French scientists. It can be used as a sweetener, and South America has used stevia as a herb and sugar substitute for hundreds of years. It has the characteristics of high sweetness and low caloric energy. Its sweetness is 200-300 times that of sucrose, and its caloric value is only 1/300 of sucrose.

Stevioside is the main strong sweet component contained in stevia, also known as stevioside. It is a diterpene glycoside and belongs to the tetracyclic diterpenoids. A glucose is attached to the carboxyl group, and a disaccharide is attached to the C-13 position. Stevioside is a white or slightly yellow loose powder or crystal under normal conditions. It is stable at room temperature. Its sweetness is about 300 times that of sucrose. Its taste is similar to that of sucrose. It has pure sweetness and no peculiar smell. The residual taste lasts longer than that of sucrose. Calories It is only one-third of sucrose, non-alcoholic, has good thermal stability, has low toxicity and has a wide range of applications. It is called the third natural sugar source after sucrose and beet sugar.

Nature

Stevioside is normally a white or slightly yellow loose powder or crystal, which is stable at room temperature and has only one third of the calories of sucrose.

1. Sweetness and flavor properties

Stevia extract powder is about 300 times sweeter than sucrose, and tastes similar to sucrose. It has pure sweetness and no peculiar smell, but the residual taste lasts longer than sucrose. Like other sweeteners, as the concentration of stevia glycosides increases, Its sweetness multiple has decreased, and it has a slightly bitter taste. Steviol glycosides in cold drinks are sweeter than the same concentration of steviosides in hot drinks. When stevioside is mixed with sucrose isomerized syrup, it can give full play to the sweetness of sugar; when mixed with organic acids (such as malic acid, tartaric acid, glutamic acid, glycine) and their salts, it can improve the quality of sweetness. Under this condition, the sweetness multiple of stevioside is increased.

2. Heat resistance

It has good heat resistance, and the sweetness remains unchanged when heated below 95°C for 2 hours; when the pH value is between 2.5 and 3.5, and the stevioside concentration is 0.05%, the stevioside content remains unchanged after heating at 80° to 100°C for 1 hour. The residual rate is about 90%; when the pH value is between 3.0 and 4.0, and its concentration is 0.013%, the residual rate is about 90% after being stored at room temperature for six months. A 0.1% stevioside solution in a glass container can be After seven months of sunlight exposure, the survival rate is over 90%.

3. Solubility of Steviol Glycosides

Soluble in water and ethanol, etc., but insoluble in organic solvents such as benzene and ether. The more refined it is, the slower it dissolves in water. The solubility in water at room temperature is about 0.12%. Since commercially available products are adulterated with other sugars, sugar alcohols and other sweeteners, their solubility varies greatly and they are easy to absorb moisture.

4. Antibacterial properties

Stevioside is not assimilated and fermented by microorganisms, making it antibacterial, which makes it widely used in the pharmaceutical industry.

Health care function

Stevioside does not participate in the physiological biochemical response in the human body. It has a certain degree of inhibitory bacteria and anticorrosive effects, and has good safety. A large amount of drug experiments have shown that sweet chrysanthels, non -toxic side effects, carcinogenic, and consumption safety. Frequent consumption can prevent hypertension, diabetes, obesity, heart disease, dental caries, etc., which is an ideal sweetener that can replace sucrose.

1. Prevent diabetes

Stevioside Powder cannot be disintegrated and digested by enzymes in the human digestive tract. The ingestion of sweet chrysantheonin enters the colon through the stomach and small intestine, and is fermented by the intestinal microorganisms to generate short -chain fatty acids. The thermal value of steglycerin is indirectly generated by short -chain fatty acids, about 6.3kJ / g. The indigestibleness of Sweetanoside will not cause the blood glucose concentration to increase after intake, and it will not promote the increase in insulin concentration in the blood, and it is suitable for patients with diabetic patients. Jeppesenpb et al. Taking diabetes mice as test materials, research believes that steglycoside has a direct insulin secretion effect on separated islets and β-cells, significantly reducing blood sugar levels and inhibiting hypertrophic secretion. Gregersens et al. Type a steva glycoside for patients with type 2 diabetes to observe the changes in blood glucose. It is found that taking sweet chrysantheoside can significantly reduce the increase in blood glucose after lunch. It is believed that it can be used as a beneficial treatment for patients with type 2 diabetes. Sweetanoside may treat patients with type 2 diabetes by correcting A -cell dysfunction.

2. Prevent hypertension

LEECN et al. Elves 25mg / kg of chrysanthemidoside in the body of mice with primary hypertension. The mice showed the contraction of blood vessels caused by the dependent dosage of chrysanthemidin, dependence, and the dependent of diuretic hormone -induced. The effect of blood pressure, and it proves that the role of chrysantheonoside may be related to its inhibitory effect on calcium ions. Wongkl. Studies believe that alien chrysanthemol alcohol can act on the potassium ion channel, which has a relaxation effect on the aortic muscles of the rat. Hsiehmh et al. Patients for adult primary hypertension took sweet chrysantheonoside for 2 years. It was found that steally glycoside had a lower effect on the patient's heart systolic blood pressure and heart relaxation pressure.

3. Regulate blood lipids

According to reports, steglycerides can reduce the content of cholesterol and triglyceride in the blood, reduce the concentration of low density lipoprotein (LDL) in the body, does not affect the concentration of high -density lipoprotein (HDL), which increases the ratio of the HDL / LDL. It is speculated that the reasons may be that the reduction of cholesterol in the blood is the effects of increasing the exclusion of gall acid and inhibiting the activity of the 3-hydroxyl-3-methyl-based acuminocyrase A activity, which reduces the biological synthesis of the internal cholesterol in the liver; Reducing is related to lipid absorption and decreased fatty acid synthesis.

4. Inhibit the pathogen

Many studies have shown that steglycoside can promote the proliferation of bisidobacterium and lactobacillus in the human body and inhibit the growth of pathogenic bacteria such as E. coli. The mechanism of action may be that the acetic acid and lactic acid produced by sweet chrysanthelcoside reduced the pH value of the intestinal tract, preventing the proliferation of pathogenic bacteria and corrupt bacteria in the intestine. In addition, the fermented short -chain fatty acids also inhibit the production of bacterial toxins.

5. Promote mineral absorption

Many researchers have found that steglycoside can promote the absorption of minerals, especially calcium. This is because the fermented can be reduced in the intestine, prompting calcium and magnesium to become soluble. Human body absorption.

Application direction

1. As sweet agent, pharmaceutical auxiliary materials and flavors

Sweet Ye Ju has been used as a sweet drink in Brazil and Paraguay since the 16th century. In Japan, since 1980, Tianticoside has been applied to almost all the food industry, and the amount of sweet leaf chrysanthemum extraction is 600 to 700 tons each year. North Korea and Southeast Asian countries and Taiwan provinces are planted in large quantities and are used in sweet choride. In addition to being applied to the food industry in my country, it is also used in the food industry, and it is also used in the pharmaceutical industry to make flavoring agents (correction of certain drugs, strange flavors) and auxiliary materials (tablets, pills, capsules, etc.).

2. For the treatment of patients with hypertension

In the 1980s, scholars at home and abroad were successively proved to have a strong and long -term pressure reduction effect through pharmacological tests. As early as the 1980s, Chinese scientific research units and hospitals, the drugs with sweet leaf chrysanthemum as the main component, used for the treatment of patients with hypertension, and discontinued all antihypertensive drugs and sedatives during treatment. 100%. Among them, 85%of the effect, and symptoms such as dizziness, tinnitus, dry mouth, insomnia, etc. commonly improved.

3. For the treatment of patients with diabetes

In the 1970s, Japan reported to treat diabetes with sweet leaf chrysanthemum. Water immersion liquid with sweet chrysanthemums in Paraguay has a well -known common sense in treating diabetes. my country's scientific research departments and hospitals use sweet leaf chrysanthemum to test patients with diabetes. As a result, the effect of lowering blood sugar, urine sugar, and improvement of the symptoms of "three more".

Stevioside Powder Supplier

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