Overview
Sodium D-isoascorbate is the sodium salt of erythorbic acid, a stereoisomer of ascorbic acid (vitamin C). While chemically similar to vitamin C, it has minimal vitamin activity but strong antioxidant properties. This compound was first developed as a more stable alternative to ascorbic acid for industrial applications. In the food industry, it serves primarily as an antioxidant and preservative, helping to maintain product quality by preventing oxidation. Its ability to inhibit nitrosamine formation makes it particularly valuable in processed meat products. The compound is approved for use in food applications worldwide, including by the FDA and EU regulatory bodies.
Physical and Chemical Properties
Sodium D-isoascorbate appears as a white crystalline powder that may develop a slight yellowish tint over time. It is highly soluble in water (approximately 16g/100ml at 25°C) but only sparingly soluble in ethanol. The compound shows greater stability than ascorbic acid under most storage conditions. Chemically, it functions as a reducing agent, readily donating electrons to neutralize free radicals and reactive oxygen species. Its antioxidant activity is particularly effective in preventing lipid oxidation and enzymatic browning. The compound remains stable in dry form but may degrade more rapidly in solution, especially when exposed to heat, light or metal ions.
Main Applications
The primary use of sodium D-isoascorbate is in food preservation, where it serves multiple functions. In cured meat products like bacon and ham, it accelerates the curing process while reducing nitrosamine formation. The beverage industry utilizes it to prevent oxidation and maintain color stability in products like fruit juices and beer. Beyond food applications, it finds use in pharmaceuticals as an antioxidant in certain medications. Some cosmetic formulations incorporate it for its antioxidant properties. Industrial applications include use as a reducing agent in certain chemical processes and as a stabilizer in photographic developers.
Safety and Storage
Sodium D-isoascorbate is generally recognized as safe when used according to approved food additive regulations. Typical usage levels in food range from 0.01% to 0.1%. While non-toxic, concentrated forms may cause mild irritation to skin, eyes or respiratory system upon direct contact. Proper storage involves keeping the product in its original packaging or airtight containers, protected from moisture and light. Storage temperatures should ideally be maintained below 25°C. Bulk quantities should be stored on pallets away from walls to ensure proper air circulation. Expired product should be properly disposed of according to local regulations.
B2B Procurement Guide
When procuring sodium D-isoascorbate commercially, verify the supplier's certification for food-grade materials if intended for food applications. Request certificates of analysis specifying purity (typically 98-101%) and heavy metal content. Consider purchasing in moisture-resistant packaging for extended shelf life. For large-scale buyers, negotiate contracts that include regular testing of incoming material. Establish clear specifications for particle size if this affects your production process. Consider ordering smaller trial quantities when switching suppliers to verify performance in your specific application. Monitor market prices as they may fluctuate with raw material costs.
Related Manufacturers
- 主营：回收减水剂、回收红糖、回收硅油、回收羧甲基纤维素钠、回收热熔胶、纤维素、异丙醇、回收天然橡胶、乙二醇、抗氧剂、硝酸钾、柠檬酸、乳化剂、羟乙酯、废机油、环己烷、正己烷、硫酸铜、硫酸银、葡萄糖、二甲酯、回收三乙醇胺、羟丙酯、丙烯酸、回收化学试剂
- 主营：回收化工原料、回收维生素、回收减水剂、回收日化原料、收购碘化钾、化工厂废料、回收赤砂糖、回收含糖废水、回收化学试剂、回收二甲基硅油、回收引气剂、回收化工废溶剂
- 主营：回收硅油、回收碳酸钾、回收减水剂、回收次磷酸钠、回收化学试剂、回收磷酸、回收葡萄糖、回收柠檬酸、回收溴化钾、回收草酸、回收白砂糖、回收红糖、回收麦芽糊精、回收硼酸、回收化工原料
- 主营：回收涂料、回收油墨、化工原料、过期油漆、收购过期原料、过期临期薄荷脑、回收过期油漆、回收油漆、油漆油墨、醇酸树脂收购、回收废旧油漆、废旧油漆原料、回收合成导热油、上门回收蓖麻油、回收防腐油漆、回收颜料、回收日化原料、回收色浆、回收色粉、回收钛白粉、回收环氧树脂、回收防污漆、回收聚醚多元醇、回收香精
- 主营：回收油漆、回收涂料、回收颜料、异抗坏血酸钠、回收化工原料、回收防腐油漆、回收汽车漆、回收木器漆、回收地坪漆、回收树脂、回收稀释剂、回收固化剂、回收防污漆、回收船舶漆、回收环氧油漆、回收聚氨酯油漆、回收日化原料、回收香精、回收硬脂酸、回收石蜡、回收热熔胶、回收钛白粉、回收橡胶助剂、回收塑料助剂、回收环氧富锌底漆、回收钢结构油漆
- 主营：热熔胶、抗氧剂、甘宝素、聚合mdi、akd蜡粉、溴化钠、edta-edta、钨酸钠、回收pvc、330炭黑、高温漆、pom塑料、固化剂、原料药、二甲苯、硬脂酸、低密度、促进剂、流平剂、双氰胺、碘化钾、葡萄糖、阿克苏DCP、无味DCP、异氰酸酯
- 主营：异抗坏血酸钠、染料回收、回收颜料
- 主营：回收油漆、回收树脂、回收橡胶助剂、异抗坏血酸钠、回收油漆厂原料、回收橡胶、回收香精、回收热熔胶
- 主营：异抗坏血酸钠、植提专用酶、防腐剂系列、增稠剂系列
- 主营：血粉 闪蒸血粉、血球蛋白粉、血浆蛋白粉、葡萄糖酸钠母液、血肽 水解血球蛋白粉、血红素蛋白粉、酶解鸡肝粉、大米蛋白粉、谷氨酸渣、菌体蛋白、赖氨酸渣、膨化羽毛粉、水解羽毛粉、多肽氨基酸原粉、鸡血粉、闪蒸血粉、降鲜灵、玉米浆、酿酒酵母培养物、膨化大豆粉、肥料级肉粉、蛋壳粉、玉米糖渣、磷酸二氢铝、预糊化淀粉粘合剂
- 主营：杀菌剂、椰子油、印染剂、阻燃剂、油酸锌、润湿剂、硫酸铯、催化剂、粘合剂、乳化剂、草酸锰、硫酸锂、石英砂、绝缘油、茶皂素、防腐剂、醋酸镁、锂电池、碘化锂、培养基、蒸馏水、硬脂酸、塑化剂、草酸钾、磷酸铁
- 主营：维生素、营养强化剂、增稠剂、异抗坏血酸钠厂家、甜味剂
- 主营：保鲜剂、鲜味剂、l-苯丙氨酸、异抗坏血酸钠厂家、l-谷氨酰胺、营养增补剂、面包发酵剂、食品添加剂、烘焙调味品、营养强化剂
- 主营：异抗坏血酸钠、营养强化剂
- 主营：低聚果糖、低聚木糖、甘露寡糖、海藻酸钠、菊粉、麦芽糖醇、木糖醇、纽甜、乳糖、乳糖醇、三氯蔗糖、聚葡萄糖、索马甜、瓜尔豆胶、果胶、海藻酸丙二醇酯、黄原胶、卡拉胶、可得然胶、大豆多糖、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、明胶
- 主营：异抗坏血酸钠厂家、食品级添加剂
- 主营：甜菊糖、甘氨酸、水苏糖、酪蛋白酸钠、海藻酸钠、聚丙烯酸钠、海藻糖、甘露醇、精氨酸、酪蛋白、烟酰胺、牛磺酸、褪黑素、螺旋藻、维生素B1、维生素B2、维生素B6、一水肌酸、苯丙氨酸、赤藓糖醇、木糖醇、山梨酸钾、大豆肽、苏氨酸、黄原胶
- 主营：乳酸链球菌素、甜菜碱、富铬酵母、植酸钠、海藻酸钠、酪蛋白酸钠、富硒酵母、富锌酵母、肉桂酸钾、茶多酚、富马酸、单宁酸、甘露寡糖、低聚半乳糖、魔芋粉、结冷胶、卡拉胶、果胶、黄原胶、低聚果糖、低聚木糖、水苏糖、三氯蔗糖、维生素B1、肉桂酸
- 主营：烟酰胺、泛酸钙、生物素、海藻酸钠、黄原胶、瓜尔胶、L-半胱氨酸盐酸盐、海藻糖、谷氨酸、卡拉胶、乳清粉、赤藓糖醇、结晶果糖、木糖醇、甜菜碱、螺旋藻、乳清蛋白粉、氯化胆碱、酪蛋白、肌酸、色氨酸、赖氨酸、鱼油粉、刺槐豆胶、阿拉伯胶
- 主营：氯化胆碱、甜菜碱、酵母浸粉、酪蛋白酸钠 酪朊酸钠、D-异抗坏血酸钠、海藻酸钠、聚丙烯酸钠、蛋白胨、低聚果糖、低聚木糖、甘露寡糖、菊粉、ε-聚赖氨酸、ε-聚赖氨酸盐酸盐、乳酸链球菌素、BHA 丁基羟基茴香、茶多酚 绿茶提取物、阿拉伯胶、刺槐豆胶、瓜尔豆胶 瓜尔胶、果胶 高酯果胶 低酯、黄原胶、结冷胶 低酰基结冷胶
- 主营：甜味剂、木糖醇、纽甜、甜味添加剂、海藻糖、营养强化剂、牛磺酸、维生素C、香精、氨基葡萄糖盐酸盐