Overview
Rebaudioside A (Reb-A) is a steviol glycoside derived from the leaves of Stevia rebaudiana, a plant native to South America. It is one of the sweetest and most stable compounds among steviol glycosides, making it a popular natural sweetener in the food and beverage industry. Unlike artificial sweeteners, Reb-A is plant-based and calorie-free, aligning with growing consumer demand for healthier sugar alternatives. The extraction and purification processes of Reb-A involve water or ethanol extraction followed by crystallization. Its commercial production has expanded significantly due to its approval as a food additive in major markets like the US, EU, and Japan. Reb-A is often blended with other sweeteners to improve taste profile and reduce bitterness.
Physical and Chemical Properties
Rebaudioside A is a white, odorless crystalline powder with a melting point of 196-198°C. It is highly soluble in water and ethanol, which facilitates its use in liquid formulations. The compound exhibits remarkable stability under high temperatures (up to 200°C), making it suitable for baked goods and processed foods. Chemically, Reb-A is a diterpene glycoside composed of a steviol backbone and multiple glucose units. Its molecular structure contributes to its intense sweetness, which is 200-300 times that of sucrose. Unlike sugar, Reb-A does not ferment or contribute to dental caries, offering additional health benefits.
Main Applications
Rebaudioside A is predominantly used as a sugar substitute in low-calorie and diabetic-friendly products. It is incorporated into beverages (soft drinks, teas), dairy products, candies, and baked goods. The pharmaceutical industry utilizes Reb-A to mask the bitter taste of medicines in syrups and chewable tablets. In the dietary supplement sector, Reb-A is marketed for weight management and blood sugar control. Its non-cariogenic properties also make it a preferred ingredient in oral care products like toothpaste and mouthwash. Recent innovations include Reb-A-infused snacks and condiments catering to health-conscious consumers.
Safety and Storage
Rebaudioside A is classified as GRAS by the FDA and approved by EFSA and JECFA. Clinical studies indicate no significant adverse effects at typical consumption levels, though excessive intake may cause bloating or nausea in sensitive individuals. Proper storage in airtight containers away from moisture and light ensures longevity. Bulk storage should maintain temperatures below 25°C with relative humidity under 65%. Suppliers often provide material safety data sheets (MSDS) detailing handling precautions. While non-toxic, workplace exposure to airborne powder should be minimized using standard PPE like masks and gloves.
B2B Procurement Guide
When sourcing Rebaudioside A, prioritize suppliers with certifications such as GMP, ISO 22000, or organic certifications if applicable. Key specifications include purity (≥97%), residual solvent levels, and microbiological limits. Request third-party lab analysis certificates for each batch. Pricing varies based on order volume and purity grades. Negotiate contracts with flexible MOQs to accommodate small-scale trials. Consider regional regulations—for example, EU buyers must ensure compliance with Commission Regulation (EU) No 1131/2011. Logistics should account for Reb-A’s hygroscopic nature; moisture-proof packaging is essential for international shipments.
Related Manufacturers
- 主营：叔碳酸、十八醛、溶菌酶、瑞鲍迪甙A、海藻糖、癸二醇、氨基丙基、氢路噻嗪、邻苯二甲、乙基碳二、羟基癸酸、正十七烷、谷胱甘肽、烷二甲醇、松果体素、vc磷酸酯镁、2-甲基丁醛、朱栾倍半萜、丁烷四乙酸、表面活性剂、癸烷撑二醇、缩水甘油邻、10-羟基羊蜡酸、氢氯噻嗪杂质、盐酸邻菲罗啉、壳聚糖季铵盐
- 主营：甘氨酸、水苏糖、阻燃剂、瑞鲍迪甙A、硫酸锌、硫酸锆、硫酸锂、硫酸锶、硫酸锰、铝酸锌、1680-21-3、牛磺酸、褪黑素、磷酸铁、丙酸铵、苏云金、碳酸镁、麝香酮、肉桂醛、磷酸铝、王浆酸、椰油胺、赖氨酸、增塑剂、浸膏粉、乙氧基
- 主营：对照品、标准品、三叶苷、瑞鲍迪甙A对照品、姜烯酚、人参皂苷、地黄苷、科研试剂、实验室自制、高纯度植物单体、生育三烯酚
- 主营：莱鲍迪甙A、生物原料、植物提取物
- 主营：生物活性玻璃、全氟三丁胺、花椒麻素、瑞鲍迪甙、二羟基丙酮、2-十一酮、光引发剂、乙酸龙脑酯、羟基磷灰石
- 主营：氯化钠、除味剂、聚乙烯胺、瑞鲍迪甙A、二羟醋酸、肌氨基酸、聚乙烯铵、米诺地尔、醋酸亚铁、一水肌酸、树苔浸膏、2-丁二醇、纳米勃姆石、花椒油树脂、醋酸氯己定、糊状叶绿素、无味子醇甲、三硬脂酸铝、聚乙烯亚胺、胡椒基丁醚、全氟三丁胺、5-甲氧基色胺、聚酰亚胺树脂、人造康酿克油、有机硅季铵盐、氯化十六吡啶
- 主营：百里香酚、戊基黄药、矿物浮选剂
- 主营：古龙酸、6-疏基瞟呤、紫草素、瑞鲍迪甙、6-氯嘌呤、菲啰嗪一钠盐、6-二氟-4-羟基苯腈