Overview
Rebaudioside C is a steviol glycoside extracted from the leaves of the Stevia rebaudiana plant, native to South America. It is one of the minor glycosides found in stevia, alongside more prominent compounds like Rebaudioside A and Stevioside. While less sweet than Rebaudioside A (approximately 30-60 times sweeter than sucrose), it is valued for its clean taste profile and stability under high temperatures. In recent years, Rebaudioside C has gained attention as a natural alternative to artificial sweeteners in the food and beverage industry. Its use is particularly prominent in products requiring heat processing, such as baked goods and canned beverages, due to its thermal stability.
Physical and Chemical Properties
Rebaudioside C is a white to off-white crystalline powder with a molecular weight of 967.00 g/mol. It is soluble in water and ethanol, making it suitable for a wide range of liquid and solid formulations. The compound decomposes at temperatures around 200-210°C, which is higher than many other sweeteners, contributing to its use in high-temperature applications. Chemically, Rebaudioside C is a diterpene glycoside composed of a steviol backbone with multiple glucose units. Its structure is similar to other steviol glycosides but differs in the number and arrangement of these glucose units, which affects its sweetness and solubility. The compound is stable under acidic and neutral pH conditions, making it suitable for use in various food matrices.
Main Applications
The primary application of Rebaudioside C is as a natural sweetener in the food and beverage industry. It is commonly used in products such as soft drinks, dairy products, confectionery, and baked goods. Its heat stability makes it particularly useful in products that undergo thermal processing, such as pasteurization or baking. In addition to its sweetening properties, Rebaudioside C is sometimes used in combination with other steviol glycosides to improve taste profiles. For example, blending it with Rebaudioside A can reduce the bitter aftertaste often associated with stevia-based sweeteners. It is also used in dietary supplements and functional foods targeting consumers seeking low-calorie or sugar-free options.
Safety and Storage
Rebaudioside C is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA) and other regulatory bodies worldwide. However, excessive consumption may lead to mild gastrointestinal discomfort, such as bloating or nausea, in sensitive individuals. It is advisable to adhere to recommended daily intake guidelines. For storage, Rebaudioside C should be kept in a cool, dry place, away from direct sunlight and moisture. Properly stored, it has a shelf life of approximately two years. Bulk quantities should be stored in airtight containers to prevent clumping or degradation. Suppliers often provide certificates of analysis (CoA) to verify purity and safety standards.
B2B Procurement Guide
When procuring Rebaudioside C for industrial use, buyers should prioritize suppliers that provide high-purity (≥95%) products. It is essential to request certificates of analysis (CoA) to verify purity, heavy metal content, and microbial limits. Organic certification may be required for products marketed as organic. Price ranges typically fall between $50-$100 per kg, depending on volume, purity, and supplier reputation. Buyers should also consider logistical factors, such as lead times and shipping conditions, to ensure the product arrives in optimal condition. Establishing long-term relationships with reputable suppliers can help secure consistent quality and favorable pricing.
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