Overview
Curcumin powder pigment is the primary bioactive compound extracted from turmeric (Curcuma longa), a rhizomatous herb native to Southeast Asia. As a natural alternative to synthetic dyes, it has gained prominence in industries seeking clean-label ingredients. Its vibrant color and non-toxic profile make it ideal for food, nutraceuticals, and personal care products. Historically used in Ayurvedic medicine, curcumin's commercial production involves solvent extraction from dried turmeric roots, followed by purification. Modern demand is driven by trends favoring plant-based additives and functional ingredients with purported health benefits.
Physical and Chemical Properties
Curcumin exhibits a crystalline structure with intense coloration, yielding shades from lemon-yellow to deep orange depending on concentration and medium. Its chromophore structure (diarylheptanoid) is responsible for light absorption at 420-430 nm, providing high tinctorial strength. The powder is odorless with a slightly bitter, earthy taste. Chemically, it acts as a pH indicator, transitioning from yellow (pH <7) to reddish-brown (pH >7). It demonstrates moderate thermal stability (up to 180°C) but degrades under prolonged UV exposure. Solubility challenges in water are often addressed via emulsification or nanoencapsulation for liquid applications.
Main Applications
In the food industry, curcumin colors dairy products (cheeses, yogurts), baked goods, beverages, and condiments, often replacing tartrazine (Yellow 5). Its antioxidant properties extend product shelf-life while meeting clean-label demands. Pharmaceutical formulations utilize it in capsules and tablets for both color and potential anti-inflammatory effects. The cosmetics sector employs curcumin in skincare products (anti-aging creams) and hair dyes. Industrial uses include natural textile dyeing and pH-sensitive smart packaging materials. Recent R&D explores its role in biodegradable plastics and solar cell applications due to its light-absorbing properties.
Safety and Storage
Classified as GRAS by the FDA and approved under EU regulation E100, curcumin has an ADI (Acceptable Daily Intake) of 3 mg/kg body weight. Potential allergenicity is rare but possible in sensitive individuals. Workplace precautions include dust control to prevent inhalation and protective gear to avoid staining. Proper storage requires opaque, food-grade containers with desiccants to prevent moisture absorption (target RH <60%). Bulk shipments should avoid temperature extremes; prolonged exposure above 40°C accelerates degradation. Shelf life typically ranges from 24-36 months when stored correctly.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 22000 or FSSC 22000 certification for food-grade batches. Key specifications include curcuminoid content (≥95% for premium grade), heavy metal limits (<3 ppm lead), and microbial counts (total plate count <1000 CFU/g). Request certificates of analysis (CoA) for each batch, verifying absence of synthetic dyes (e.g., Sudan dyes) sometimes used for adulteration. For international trade, confirm compliance with destination regulations—e.g., Japan's Positive List System or China's GB 2760 standards. Bulk discounts typically apply for orders exceeding 100 kg, with pricing tiers for organic or nano-formulated variants.
Related Manufacturers
- 主营：阿斯巴甜、低聚果糖、低聚木糖、姜黄素厂家、甘露寡糖、结晶果糖、菊粉、纽甜、乳糖、乳糖醇、三氯蔗糖、水苏糖、甜菊糖、刺槐豆胶、瓜尔豆胶、果胶、海藻酸丙二醇酯、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、阿拉伯胶
- 主营：酪蛋白 干酪素、氯化胆碱、甜菜碱、姜黄素厂家、酵母浸粉、低聚果糖、低聚木糖、甘露寡糖、菊粉、D-异抗坏血酸钠、ε-聚赖氨酸、ε-聚赖氨酸盐酸盐、乳酸链球菌素、丁基羟基茴香醚、阿拉伯胶、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠
- 主营：乳酸链球菌素、甜菜碱、富铬酵母、姜黄素厂家、富硒酵母、富锌酵母、肉桂酸钾、茶多酚、植酸钠、富马酸、单宁酸、甘露寡糖、低聚半乳糖、魔芋粉、结冷胶、卡拉胶、海藻酸钠、果胶、黄原胶、酪蛋白酸钠、低聚果糖、低聚木糖、水苏糖、三氯蔗糖、维生素B1、肉桂酸
- 主营：食品添加剂、饲料添加剂、营养强化剂、色素、增稠剂、乳化剂、防腐剂、磷酸盐保水剂、黄原胶、甘氨酸、酪蛋白酸钠、大豆分离蛋白、海藻酸钠、乳清蛋白粉、L-半胱氨酸、L-苯丙氨酸、L-异亮氨酸、丝氨酸、谷氨酰胺
- 主营：阿拉伯胶、刺槐豆胶、瓜尔豆胶、姜黄素厂家、果胶、海藻酸丙二醇酯、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠、卡波姆、抗性糊精、可得然胶、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、羧甲基淀粉钠、明胶、温轮胶、阿斯巴甜、低聚果糖、低聚木糖、结晶果糖、菊粉、纽甜
- 主营：酪蛋白酸钠 酪朊酸钠、氯化胆碱、甜菜碱、姜黄素厂家、酵母浸粉、蛋白胨、低聚果糖、低聚木糖、甘露寡糖、菊粉、D-异抗坏血酸钠、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、海藻酸钠、黄原胶、结冷胶 低酰基结冷胶、聚丙烯酸钠
- 主营：卡波姆、卡拉胶、可得然胶、姜黄素厂家、魔芋粉 魔芋精粉、琼脂 琼脂粉、羧甲基纤维素钠、明胶、聚维酮K30、乙基纤维素、D-氨基葡萄糖盐酸盐、壳聚糖、壳寡糖、酪蛋白 干酪素、酪蛋白酸钠 酪朊酸钠、氯化胆碱、甜菜碱、酵母浸粉、蛋白胨、低聚果糖、低聚木糖、甘露寡糖、菊粉、D-异抗坏血酸钠
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、姜黄素厂家、L-蛋氨酸、L-谷氨酰胺、L-瓜氨酸、L-精氨酸、L-赖氨酸、L-酪氨酸、L-亮氨酸、L-色氨酸、L-天门冬氨酸、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素D3、维生素E、复合维生素、阿拉伯胶
- 主营：烟酰胺、泛酸钙、生物素、姜黄素厂家、黄原胶、瓜尔胶、L-半胱氨酸盐酸盐、海藻酸钠、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：L-半胱氨酸盐酸盐、L-谷氨酰胺、L-瓜氨酸、姜黄素厂家、L-精氨酸、L-赖氨酸、L-酪氨酸、L-亮氨酸、L-脯氨酸、L-苏氨酸、L-缬氨酸、氨基丁酸、甘氨酸、胍基乙酸、支链氨基酸、酪蛋白酸钠、螺旋藻、维生素E、D-生物素、氨糖、一水肌酸、肌醇、菊粉、维生素A、维生素B1、柠檬酸
- 主营：营养强化剂、抗氧化剂、甜味剂、食用色素、粉末香精、食品级增稠剂、酶制剂、酸度调节剂、食品乳化剂、着色剂、抗结剂、增味剂
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、姜黄素厂家、L-蛋氨酸、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素C、维生素D3、维生素E、D-生物素、阿拉伯胶、刺槐豆胶、瓜尔豆胶、果胶 高酯果胶 低酯、海藻酸钠、黄原胶、结冷胶 低酰基结冷胶、聚丙烯酸钠、卡波姆
- 主营：保鲜剂、鲜味剂、l-苯丙氨酸、姜黄素厂家、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：黄原胶、大豆分离蛋白、瓜尔胶、姜黄色素厂家、果胶、海藻酸钠、结冷胶、卡拉胶、抗性糊精、可得然胶、明胶、魔芋粉、琼脂、羧甲基纤维素钠、阿斯巴甜、安赛蜜、赤藓糖醇、低聚半乳糖、低聚果糖、低聚木糖、低聚异麦芽糖、核糖、木糖、阿拉伯糖、菊粉、麦芽糖醇
- 主营：姜黄素厂家、低聚果糖