Overview
Ginger peel extract is derived from the outer skin of ginger (Zingiber officinale), a byproduct often discarded during ginger processing. Recent studies highlight its high concentration of bioactive compounds, including gingerols, shogaols, and phenolic acids, which exhibit superior antioxidant activity compared to inner rhizome extracts. The extract is produced through solvent extraction or supercritical CO2 methods, with ethanol/water mixtures being most common for industrial-scale production. Traditionally considered waste, ginger peel now gains attention in circular economy models for its sustainable sourcing. Its composition varies based on ginger cultivar, cultivation conditions, and extraction techniques, requiring standardized protocols for commercial applications.
Physical and Chemical Properties
The extract typically appears as a hygroscopic powder or viscous liquid with a characteristic pungent aroma. Its active components—primarily gingerols (6-gingerol being predominant)—are thermally labile, degrading into shogaols at temperatures above 60°C. The extract shows stability at pH 3-7 but undergoes rapid oxidation in alkaline conditions. Chromatographic analyses reveal 10-15% total phenolic content (as gallic acid equivalents) and ORAC values exceeding 30,000 μmol TE/g. Unlike whole ginger extracts, peel-specific markers include higher concentrations of fiber-bound polyphenols and unique terpene derivatives like α-zingiberene. Solubility profiles make it suitable for both hydrophilic (aqueous serums) and lipophilic (oil-based creams) formulations.
Main Applications
In pharmaceuticals, the extract is incorporated into antiemetic and anti-arthritic formulations due to its 5-HT3 receptor antagonism and COX-2 inhibition properties. Nutraceutical applications include dietary supplements targeting oxidative stress, often combined with turmeric or black pepper extracts for enhanced bioavailability. The cosmetics industry utilizes its MMP-1 inhibition capability in anti-aging products, while its antimicrobial action (effective against S. aureus and C. albicans) makes it valuable for natural preservative systems. Food manufacturers employ it as a natural antioxidant in meat products (replacing synthetic BHA/BHT) and as a flavor enhancer in beverages, typically at 0.1-0.5% concentrations.
Safety and Storage
Regulatory status varies by region—while FDA classifies it as GRAS, EU requires Novel Food authorization for certain applications. Acute toxicity studies show LD50 >5,000 mg/kg in rodents. However, high doses (>1g/day) may interact with anticoagulants like warfarin due to antiplatelet effects. Proper storage involves amber glass or food-grade HDPE containers with nitrogen flushing to prevent oxidation. Shelf life extends to 24 months when stored at <25°C with <60% humidity. For liquid forms, potassium sorbate (0.1%) is recommended to prevent microbial growth. Material Safety Data Sheets (MSDS) should be consulted for workplace handling guidelines, particularly regarding dust explosion risks in powdered form.
B2B Procurement Guide
Industrial buyers should prioritize suppliers providing HPLC-validated potency markers (minimum 5% total gingerols) and heavy metal testing reports (As <3ppm, Pb <10ppm). MOQs typically start at 25kg for powders, with bulk discounts available at >500kg orders. Key evaluation criteria include extraction method (CO2 extracts command 30-50% premium over ethanol extracts), organic certification (USDA/EU standards), and allergen statements (some processes use nut-derived solvents). Contract manufacturing agreements often include stability testing clauses (accelerated 40°C/75% RH for 3 months). Shipping requires climate-controlled logistics for tropical regions, with incoterms preferably CIF for international transactions.
Related Manufacturers
- 主营：提取罐、中药提取罐、中药提取浓缩设备、生姜皮提取物加工设备、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：羽衣甘蓝粉、黑枸杞粉、斑斓叶冻干粉、沙棘粉、猪肾冻干粉、食叶草粉、桂花粉、玫瑰茄冻干粉、鹿尾提取物、金蝉花肽、葵花盘碱、肉苁蓉提取物、淫羊藿提取物、黑枸杞冻干粉、沉香提取物、黄豆芽提取物、豌豆苗粉、葫芦巴叶粉、油莎豆粉、桑葚粉
- 主营：蛋白肽、葱花粉、鳕鱼粉、生姜皮粉、雪莲粉、刺梨粉、紫苏籽、南瓜粉、鹿心粉、鹿尾粉、菊花粉、葛根粉、浓缩汁、鹿尾肽、纤维素、槐花粉、沙棘果、香蕉粉、薏米粉、茶树花、干燥粉、葛根肽、洋葱粉、菜籽粉、鹿鞭粉、槐米粉
- 主营：松花粉、柠檬粉、葡萄粉、生姜粉、枸杞粉、荔枝粉、柚子粉、香蕉粉、青莓粉、大蒜粉、洋葱粉、桑椹粉、紫薯粉、沙棘粉、菠菜粉、樱桃粉、黄瓜粉、黄烷醇、桑葚粉、石榴粉、芹菜粉、西瓜粉、芒果粉、番茄粉、菠萝粉
- 主营：椰浆粉、鸣蝉粉、紫米粉、柚皮苷、黑米粉、荔枝粉、香蕉粉、花椒粉、樱桃粉、竹荪肽、红苕粉、扁豆粉、鹿血肽、大蒜素、裸藻粉、西米粉、魔芋粉、菱角粉、莲雾粉、腰果粉、牡蛎肽、糯米粉、芒果粉、沙棘冻干粉、食叶草粉
- 主营：胶原蛋白肽、植物提取物、果蔬粉、姜皮萃取粉、膳食纤维、鹿胎盘提取物
- 主营：姜皮提取物、动植物提取物、新资源食品原料
- 主营：姜皮提取物、动物提取物、食品原料