Overview
Stevioside is a natural sweetener extracted from the leaves of the Stevia rebaudiana plant, native to South America. It belongs to the class of steviol glycosides, which are known for their intense sweetness and zero-calorie properties. Stevioside is widely used as a sugar substitute in the food and beverage industry, particularly in products marketed as low-calorie or diabetic-friendly. The compound was first isolated in the early 20th century, but its commercial use gained prominence in the late 20th century as consumers sought healthier alternatives to sugar. Today, stevioside is approved for use in many countries, including the United States, European Union, and Japan, making it a globally recognized sweetening agent.
Physical and Chemical Properties
Stevioside is a white to off-white crystalline powder with a molecular weight of 804.88 g/mol. It is highly soluble in water and ethanol, which makes it suitable for various food and beverage applications. The compound has a melting point of 196-198°C and is stable under normal storage conditions. One of the key properties of stevioside is its high sweetness intensity, which is 200-300 times that of sucrose. Unlike artificial sweeteners, stevioside is heat-stable, making it suitable for cooking and baking. However, it may exhibit a slight bitter aftertaste at high concentrations, which can be mitigated by blending with other sweeteners or flavors.
Main Applications
Stevioside is primarily used in the food and beverage industry as a sugar substitute. It is commonly found in soft drinks, juices, dairy products, and confectionery items. Its zero-calorie property makes it an ideal ingredient for low-calorie and diabetic-friendly products. In addition to food applications, stevioside is used in dietary supplements and pharmaceuticals. It is often included in weight management products and oral care items like toothpaste and mouthwash due to its non-cariogenic properties. The compound's versatility and natural origin have also led to its use in cosmetic formulations, where it serves as a sweetening agent without contributing to calorie intake.
Safety and Storage
Stevioside is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) and has been approved for use in many other countries. However, excessive consumption may cause gastrointestinal discomfort, such as bloating or nausea, in some individuals. Proper storage of stevioside is essential to maintain its quality. The compound should be stored in a cool, dry place away from direct sunlight. It is also advisable to keep it in airtight containers to prevent moisture absorption, which could affect its solubility and performance in end products.
B2B Procurement Guide
When procuring stevioside for B2B purposes, it is crucial to select a reputable supplier who can provide certificates of analysis (COA) to verify the product's purity and compliance with food-grade standards. The reference price range for stevioside is approximately $20-$50 per kilogram, depending on the purity and supplier. Buyers should also consider the intended application when selecting stevioside. For instance, higher purity grades may be required for pharmaceutical or cosmetic uses, while food-grade stevioside is sufficient for most food and beverage applications. Additionally, it is advisable to request samples for testing before committing to large-scale purchases to ensure the product meets specific requirements.
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