Overview
Hibiscetin is a naturally occurring flavonoid primarily extracted from hibiscus flowers (Hibiscus sabdariffa). As a bioactive compound, it belongs to the flavonol subclass and is structurally related to quercetin. The compound has gained attention in recent years due to its potent antioxidant properties and potential health benefits. Industrial production typically involves solvent extraction followed by purification steps. While hibiscetin occurs in small quantities in plants, concentrated forms are commercially available for food, pharmaceutical, and cosmetic applications. Its yellow pigmentation also makes it useful as a natural colorant.
Physical and Chemical Properties
Hibiscetin appears as a fine yellow powder with crystalline structure under microscopic examination. The compound demonstrates moderate thermal stability, with decomposition beginning around 250°C. Its molecular structure contains multiple hydroxyl groups, contributing to both its antioxidant capacity and solubility characteristics. In solution, hibiscetin exhibits strong UV-Vis absorption maxima between 250-380 nm, making it useful for spectrophotometric quantification. The compound shows pH-dependent stability, being most stable in slightly acidic conditions (pH 4-6). In alkaline environments, it may undergo structural degradation over time.
Main Applications
In the food industry, hibiscetin serves as both a functional ingredient and natural colorant. It's incorporated into health beverages, dietary supplements, and functional foods for its purported antioxidant benefits. Some studies suggest potential cardioprotective effects, though more clinical research is needed. The cosmetic industry utilizes hibiscetin in sun care formulations due to its UV-absorbing properties, as well as in anti-aging products for its antioxidant effects. Pharmaceutical research explores its potential in managing oxidative stress-related conditions, though therapeutic applications remain investigational.
Safety and Storage
Current toxicological data suggest hibiscetin has low acute toxicity, with LD50 values exceeding 2000 mg/kg in rodent studies. The compound is generally recognized as safe for food use at typical consumption levels. However, occupational exposure to powder forms should be minimized to prevent respiratory irritation. Proper storage requires protection from moisture, oxygen, and light to prevent degradation. Commercial products are typically packaged in multi-layer foil bags with desiccants. Shelf life under optimal conditions is approximately 24 months. For laboratory use, storage under inert atmosphere at -20°C is recommended for long-term preservation.
B2B Procurement Guide
When sourcing hibiscetin, buyers should prioritize suppliers that provide comprehensive certificates of analysis (CoA), including HPLC purity verification and heavy metal testing. Food-grade material should have documentation confirming compliance with relevant food safety standards (e.g., FDA, EFSA). Bulk procurement (25kg+) typically offers significant cost advantages, with prices varying based on purity and organic certification status. Sample testing is recommended before large orders to confirm color intensity and solubility characteristics meet application requirements. Due to varying extraction methods, consistency between batches should be verified for critical applications.
Related Manufacturers
- 主营：藤茶提取物、枳椇子提取物、地龙蛋白肽、二氢槲皮素、槲皮素、马齿苋提取物、甘草提取物、黄芪粉、罗汉果粉、鱼腥草提取物、淡竹叶提取物、竹叶黄酮、葛根提取物、玉米低聚肽、酸枣仁提取物、荷叶提取物、人参提取物、蒲公英提取物、益智仁提取物、桑叶提取物、阿胶粉、麦芽提取物
- 主营：黄芪提取物、沙棘提取物、大枣多糖、木槿花素10、山楂提取物、山药提取物、枸杞提取物、甘草提取物、人参提取物、丹参提取物、柴胡提取物、牛蒡根提取物、薏苡仁提取物、白芍提取物、车前子提取物、益母草提取物、土茯苓提取物、百合提取物、决明子提取物、菊粉、大豆蛋白、胶原蛋白肽、大枣粉、山药粉、生姜提取物
- 主营：牛蒡根提取物、五指毛桃提取物、低聚果糖、木槿花素、玉米须提取物、大麦苗粉、水苏糖、针叶樱桃果粉、魔芋粉、玫瑰茄粉、红景天提取物、牡丹皮提取物、侧柏叶提取物、葫芦巴提取物、桑白皮提取物、菟丝子提取物、番泻叶提取物、酸角提取物、韭菜子提取物、泽兰提取物
- 主营：染料木素、香精香料、有机中间体、化工助剂
- 主营：沙棘果粉、蓝莓粉、桑葚粉、木槿花提取物、黄精提取物、甘草提取物、黄芪提取物、海参肽、人参皂苷多肽、石松粉、板蓝根提取物、黄芩苷提取物、青稞苗粉、桂圆粉、蔓越莓粉、大枣粉、藜麦粉、百合粉、苹果粉、玫瑰花粉、山药粉、淫羊藿提取物、燕麦粉、膳食纤维、大豆异黄酮