Overview
Curcumin extract is the primary bioactive component of turmeric (Curcuma longa), a rhizome native to Southeast Asia. It accounts for 2–8% of raw turmeric by weight and is responsible for its distinctive yellow pigment. Industrially, it is extracted via solvent (ethanol or acetone) or supercritical CO2 methods, followed by purification to achieve 95–98% curcuminoid content (curcumin, demethoxycurcumin, and bisdemethoxycurcumin). Historically used in Ayurvedic medicine, modern research highlights its antioxidant and anti-inflammatory properties, driving demand in nutraceuticals and functional foods. Its status as a natural food colorant (E100) further expands applications in beverages, dairy, and confectionery.
Physical and Chemical Properties
Curcumin is a diarylheptanoid with a stable crystalline structure under dry, dark conditions. It exhibits keto-enol tautomerism, contributing to its chelating ability with metal ions like iron and copper. The compound degrades rapidly at pH > 7.5 or under prolonged UV exposure, turning reddish-brown. Solubility challenges in water are addressed via nanoemulsions or lipid-based formulations for bioavailability enhancement. Thermal stability up to 180°C makes it suitable for baked goods, though prolonged heating above this threshold causes decomposition into vanillin and ferulic acid.
Main Applications
In food industries, curcumin replaces synthetic yellows (e.g., Tartrazine) in mustard, cheeses, and ice creams. Pharmaceutical formulations leverage its anti-inflammatory effects in osteoarthritis supplements, often combined with piperine for absorption. Cosmetic uses include anti-aging serums and natural dyes in lipsticks. Emerging applications include biodegradable food packaging films (as an antimicrobial agent) and PET imaging probes due to its fluorescent properties. Industrial buyers should note regional regulations—for example, EFSA limits curcumin intake to 3 mg/kg body weight/day for food additives.
Safety and Storage
While curcumin has low acute toxicity (LD50 > 2000 mg/kg in rats), high doses may cause gastrointestinal discomfort. Occupational exposure during powder handling requires N95 masks to prevent respiratory irritation. Storage in amber glass or HDPE containers with desiccants prevents photodegradation and moisture absorption. For bulk shipments, temperature-controlled logistics (15–20°C) are recommended. Compatibility testing is essential when blending with other compounds—for instance, it may precipitate in high-tannin herbal extracts.
B2B Procurement Guide
Key specifications for industrial procurement include HPLC-measured purity (≥95%), heavy metal content (<10 ppm), and residual solvent levels (≤5000 ppm for ethanol). Organic-certified batches command 20–30% premiums. South Asia (India, Bangladesh) dominates production, but Chinese suppliers offer competitive pricing for standardized extracts. Request Certificates of Analysis (CoA) for microbial counts (total plate count < 1000 CFU/g) and aflatoxin screening. For large orders (>1 ton), negotiate FOB prices with quarterly price adjustment clauses to mitigate market volatility from turmeric root supply fluctuations.
Related Manufacturers
- 主营：植物提取物、浸膏粉、果粉、姜黄提取物、蔬菜粉、化妆品类提取物、饲料类提取物原料、食品饮料原料、固体饮料原料、植物原料、提取物加工、果蔬粉厂家、水溶粉、提取物定制、菌类提取物、植物浓缩粉、浓缩粉厂家、浓缩粉原料、果蔬粉定制、植物加工品、浓缩粉、果汁粉、水溶植物原料、藤茶提取物/藤茶粉
- 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：醉茄提取物、二氢杨梅素、一水肌酸、姜黄素、硫辛酸、叶黄素、曲酸、大黄素、白藜芦醇、传明酸、脂质体NMN、木犀草素、葛根素、积雪草甙、L-谷胱甘肽、水溶醉茄提取物
- 主营：甘氨酸、儿茶黑、水苏糖、姜黄素、红曲黄、可可壳、脆皮素、维纶胶、五香粉、硫酸锰、相苷酶、肌氨酸、除腥剂、烟酰胺、牛磺酸、褪黑素、碳酸镁、温轮胶、脯氨酸、叶绿素、冰乙酸、酸性红、淀粉钠、脂肪酶、大蒜粉、右旋糖
- 主营：苦参碱、氧化苦参碱、七叶皂苷钠、合成姜黄素、七叶皂苷、黑米花色苷、鬼臼树脂、鬼臼毒素、黑米花青素、龙胆苦苷、青蒿琥酯、青蒿素、吴茱萸碱、吴茱萸次碱、博落回总碱、鱼藤酮、二苯乙烯苷、丝肽粉、人参皂甙
- 主营：甜菊糖、甘氨酸、cmc淀粉、天然姜黄素提取物、阿力甜、栀子红、胺鲜酯、柠檬油、韦兰胶、可可壳、增稠剂、海藻糖、辣椒精、姜精油、独活油、川芎油、海松素、软明胶、酪蛋白、麦芽粉、玉米肽、果乳糖、乳制品、龙脑油、牛磺酸、磷酸铁
- 主营：鸡内金粉、黄精粉、枸杞粉、姜黄素、沙棘粉、黄芪多糖、竹叶黄酮、百合粉、酸枣仁粉、桑葚粉、铁皮石斛粉、山药粉、山楂粉、白芸豆提取物、薏苡仁粉、桑叶提取物、油莎豆粉、桑叶DNJ、人参粉、天麻粉、肉苁蓉粉、玉米低聚肽、胶原蛋白肽、牦牛骨肽、茶叶茶氨酸
- 主营：提取罐、中药提取罐、中药提取浓缩设备、姜黄素提取物浓缩设备、萃取设备、中药提取设备、单效浓缩器、香料油提取设备、植物精油提取设备、提取工艺、精油提取设备、精油萃取设备、植物多肽提取设备、植物多糖提取设备、中药浓缩设备、中药萃取、真空浓缩设备、真空浓缩、中药制药设备、双效浓缩设备、球形浓缩器、提取物生产线、中药浸膏生产设备、纯露提取设备、植物萃取设备、浓缩器
- 主营：金银花绿原酸、蒲公英黄酮、柴胡皂甙、姜黄素、辅酶Q10、杜仲绿原酸、吲哚-3-甲醇、PQQ吡咯并喹啉醌二钠盐、NMN烟酰胺单核苷酸、NAD 烟酰胺腺嘌呤二核苷酸、3-二吲哚甲烷、白杨素、水杨甙、槲皮素 二氢槲皮素、亚精胺 亚精胺盐酸盐、漆黄素、男性抗检原料、三七皂甙 三七茎叶总皂苷 西洋参总皂甙、菲尼布特、花青素
- 主营：金银花绿原酸、山楂黄酮、连翘苷、姜黄素95、NMN单核苷酸、淫羊藿单甙、五味子总素、吲哚三甲醇、二吲哚甲烷、人参皂甙、三七皂甙、刺蒺藜皂甙、果蔬粉等
- 主营：枸杞粉、化橘红粉、薄荷粉、速溶姜黄粉、桂圆粉、荷叶粉、鸡内金粉、樱桃粉、草莓粉、麦芽粉、干姜粉、大枣粉、枳椇子粉、桑叶粉、鱼腥草粉、杜仲叶粉、赤小豆粉、黑芝麻粉、白扁豆粉、淡竹叶粉、淡豆豉粉、覆盆子粉、高良姜粉、火麻仁粉、栀子粉、蛹虫草粉
- 主营：中间体、尿囊素、肉豆蔻酸异丙酯、姜黄素提取物、烯丙基羟乙基醚、苄基三乙基氯化铵、马来酸、乙酰苯肼、椰油基三甲基氯化铵
- 主营：莲藕粉、槐耳粉、香榧粉、姜黄素、萃取粉、栀子粉、昙花粉、桂枝粉、丁香粉、山奈粉、覆盆子、葛根粉、牡蛎粉、柠檬粉、香椿粉、胡柚粉、柚皮素、野菊花、牛胆粉、龟板粉、枸杞粉、蛋白粉、柴胡粉、包菜粉、续断粉、李子粉
- 主营：姜黄素、姜黄提取、咖喱粉、动物饲料、饲料添加剂
- 主营：植物提取物、浓缩粉、茯苓提取物、姜黄素、荷叶粉、金银花提取物、菊花提取物、蛋白核小球藻、淫羊藿提取物、牡蛎肽、柑橘膳食纤维、巴西莓粉、蓝莓粉、白芸豆粉、葛根提取物、山药提取物、蓝莓果粉、陈皮提取物、洋车前子壳粉、蔓越莓果粉、硫酸软骨素、沙棘果粉、玉米须提取物、黄精提取物、蒲公英提取物、火龙果粉