Overview
Stevia extract is a natural sweetener derived from the leaves of the Stevia rebaudiana plant, native to South America. It contains steviol glycosides, which are responsible for its intense sweetness. Unlike artificial sweeteners, stevia extract is plant-based and has no calories, making it a popular choice for health-conscious consumers and food manufacturers. The extract is available in various forms, including powders and liquids, and is used in a wide range of products. Its popularity has grown significantly due to the increasing demand for natural sugar substitutes in the food and beverage industry.
Physical and Chemical Properties
Stevia extract is typically a white to light yellow powder or liquid, depending on its formulation. The primary active compounds, steviol glycosides, are highly soluble in water and alcohol. The extract is stable under high temperatures, making it suitable for cooking and baking applications. The molecular weight of stevioside, one of the main glycosides, is 804.87 g/mol. It has a melting point of 196-198°C and is known for its high sweetness intensity, being 200-300 times sweeter than sucrose. These properties make it an efficient and versatile sweetener.
Main Applications
Stevia extract is widely used in the food and beverage industry as a sugar substitute. It is found in products such as soft drinks, dairy products, baked goods, and confectionery. Its zero-calorie content makes it ideal for weight management and diabetic-friendly products. In addition to food and beverages, stevia extract is used in dietary supplements and pharmaceuticals. Its natural origin and health benefits have made it a preferred ingredient in functional foods and nutraceuticals. The extract is also used in oral care products like toothpaste and mouthwash due to its non-cariogenic properties.
Safety and Storage
Stevia extract is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) and other regulatory bodies worldwide. However, excessive consumption may cause mild gastrointestinal discomfort in some individuals. It is important to adhere to recommended usage levels. For storage, stevia extract should be kept in a cool, dry place away from direct sunlight to maintain its stability and shelf life. Proper packaging, such as sealed containers, is essential to prevent moisture absorption and degradation of the product.
B2B Procurement Guide
When procuring stevia extract, B2B buyers should verify the purity and composition of the product to ensure it meets industry standards. Certificates of analysis (CoA) from suppliers can provide detailed information about the glycoside content and any impurities. Buyers should also consider the form of the extract (powder or liquid) based on their application needs. Organic certification may be required for certain markets. Price can vary significantly depending on purity, form, and supplier, so it is advisable to compare quotes from multiple vendors.
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