Overview
Clover extract is derived from Trifolium pratense (red clover) and related species through ethanol or water extraction processes. The standardized extract typically contains 8-12% isoflavones, including formononetin, biochanin A, daidzein, and genistein. These phytoestrogenic compounds are the primary bioactive constituents driving commercial demand. Industrial production involves careful cultivation to optimize isoflavone content, followed by solvent extraction and spray drying. Leading manufacturers often provide extracts with customized standardization profiles to meet specific application requirements in food, cosmetic, and pharmaceutical industries.
Physical and Chemical Properties
As a botanical extract, clover extract exhibits complex physicochemical characteristics. The powder form typically has a characteristic earthy aroma and hygroscopic nature, requiring desiccants during storage. Its color ranges from light yellow to dark brown depending on concentration and processing methods. Key chemical markers include four major isoflavones that account for its biological activity. These compounds demonstrate stability at pH 3-8 but may degrade under prolonged UV exposure. The extract shows better solubility in hydroalcoholic solutions (30-70% ethanol) than in pure water, which influences formulation approaches in end products.
Main Applications
In nutraceuticals, clover extract is formulated into women's health supplements for menopause support, capitalizing on its phytoestrogen content. Clinical studies suggest potential benefits for bone density maintenance and cardiovascular health when combined with other bioactive compounds. The cosmetic industry utilizes its antioxidant properties in anti-aging serums and creams, where it helps neutralize free radicals and support collagen production. Some agricultural applications include use as a natural growth promoter in livestock feed, particularly in poultry and dairy cattle nutrition programs.
Safety and Storage
While generally considered safe, clover extract requires proper handling to maintain stability. The hygroscopic nature demands moisture-proof packaging with oxygen scavengers, preferably in foil-lined bags. Shelf life typically ranges 24-36 months when stored below 25°C with relative humidity <60%. Safety data sheets indicate low acute toxicity (oral LD50 >5000 mg/kg in rats), though individuals with hormone-sensitive conditions should exercise caution. Regulatory status varies by region - in the EU, it's approved as novel food ingredient, while FDA classifies it as dietary supplement material in the US.
B2B Procurement Guide
When sourcing clover extract, buyers should prioritize suppliers who provide comprehensive certificates of analysis (COA) including: isoflavone profile by HPLC, heavy metal content, microbial counts, and residual solvent reports. Minimum order quantities typically range 25-100kg for standard grades. Technical specifications should clearly state standardization levels, extraction solvent used, and carrier materials (if any). For cosmetic applications, request additional documentation of preservative efficacy and compatibility testing. Consider suppliers with organic certification if required for your product positioning.
Related Manufacturers
- 主营：醉茄提取物、二氢杨梅素、一水肌酸、三叶草、硫辛酸、姜黄素、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：藤茶提取物、枳椇子提取物、二氢槲皮素、红三叶草提取物、槲皮素、地龙蛋白肽、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：黄芩素、大蒜素、南非醉茄提取物、三叶草提取物、喜来芝提取物、锯叶棕脂肪酸、芦荟甙、红车轴异黄酮、水溶白藜芦醇、弗斯可林、武靴藤酸、乳香酸、洋蓟酸、刺梨SOD、岩藻黄质、松果菊苷
- 主营：桑椹粉、茯苓粉、金银花粉、三叶草、薏苡仁粉、水溶枸杞粉、沙棘粉、枸杞提取物、沙棘提取物、沙棘肽、藜麦肽、黄芪粉黄芪提取物
- 主营：白柳皮提取物、橄榄叶提取物、刺五加提取物、三叶草、红车轴提取物、丹参提取物
- 主营：沙棘粉、枸杞粉、人参粉、红三叶草提取物、香菇粉、麦芽粉、山茱萸粉、茯苓粉、黄精粉、黄芪粉、连翘粉、印楝粉、榴莲粉、菊花粉、桑葚肽、红芪粉、远志粉、香蕉粉、柴胡粉、丹参粉、葛根粉、西洋参粉、天麻粉、八角粉、罗汉果粉、桔梗粉
- 主营：苦瓜提取物、黄精提取物、枸杞提取物、三叶草、甘草提取物、杜仲叶提取物、肉苁蓉提取物、苹果粉、雪梨粉、人参皂甙、苦参提取物、桑葚粉、沙棘粉、猴头菇速溶粉、荞麦粉、黄芪提取物、蛹虫草提取物、果蔬五谷杂粮粉、药食同源类
- 主营：桑叶多糖、阿萨伊果粉、刺梨提取物、红三叶草提取物、葡萄籽提取物、花青素、虾青素、龙眼肉多糖、蚌肉多糖、淫羊藿甙、茶皂素、纳豆激酶、黄连提取物、熊果苷、罗汉果甜甙、芍药苷、桔梗提取物、白毛银露梅提取物
- 主营：植物提取物、新资源食品饮料原料、藜麦肽、红三叶草提取物现货、浸膏、果粉、化妆品类提取物、植物性饲料原料、五谷杂粮粉、蔬菜粉、食品饮料原料
- 主营：药食同源植物提取物、果蔬粉、新食品原料提取物、三叶草、枸杞粉、党参粉、黄精粉、桂圆粉
- 主营：提取物、浓缩粉、生粉、三叶草提取物、果粉、六盘韵生物
- 主营：牛蒡根提取物、五指毛桃提取物、低聚果糖、红三叶草提取物10、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：鸡内金粉、黄精粉、枸杞粉、三叶草提取物、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、姜黄素
- 主营：药食同源提取物粉、果蔬粉、三新资源食品、红三叶草提取、天然植物提取物、小分子肽
- 主营：桃花粉、辣椒粉、玛卡粉、三叶草粉厂家、青果粉、厚朴粉、果蔬粉、野樱莓、甘蓝粉、山楂粉、草莓粉、印楝粉、川芎粉、榴莲粉、浓缩粉、苦瓜粉、芦笋粉、黄豆粉、大枣粉、山药粉、甘草粉、三七粉、茼蒿粉、丝兰粉、枸杞粉、苜蓿粉
- 主营：丝兰提取物、西兰花种子水提物、萝卜硫甙、三叶草提取物、苹果醋粉、杜仲提取物、芦荟提取物、山药提取物、苦杏仁提取物、豆甾醇