10YR企业会员
发布人:长沙上禾生物科技有限公司
发布日期:2026/7/22 20:28:32
公司官网 http://www.staherb.com/ 资质:HALAL, KOSHER等认证
☎:19573130018 杨经理(微信同号)
产品名称:绿茶提取物(Green Tea Extract / 茶多酚 Tea Polyphenols)
品牌:staherb® 长沙上禾生物科技有限公司
植物来源:山茶科茶(Camellia sinensis(L.) O. Kuntze)干燥嫩叶与芽(未发酵绿茶,杀青钝化PPO保留完整儿茶素谱),茶多酚混合物CAS 84650-60-2。
中文简介
绿茶提取物的核心活性组分为茶多酚(Tea Polyphenols,以黄烷-3-醇类儿茶素为主),其中表没食子儿茶素没食子酸酯(EGCG)占绿茶总儿茶素 50%–80%,是抗氧化、代谢调节与抗炎功效的主要物质基础,亦为产品质控首要标志物。
EGCG(表没食子儿茶素没食子酸酯,Epigallocatechin-3-O-gallate):C₂₂H₁₈O₁₁,MW 458.37,CAS 989-51-5;白色至类白色粉末,易溶于水/热乙醇,含8个酚羟基,抗氧化力约为VC的100倍、VE的25倍;高温(>80℃长时)或碱(pH>7)下差向异构化为GCG,配方建议 pH 4–6、避光充氮。
其他主要儿茶素:ECG(表儿茶素没食子酸酯,C₂₂H₁₈O₁₀,CAS 1257-08-5,占约13.6%)、EGC(表没食子儿茶素,C₁₅H₁₄O₇,CAS 970-74-1,占约19%)、EC(表儿茶素,C₁₅H₁₄O₆,CAS 490-46-0,占约6.4%)。
伴生嘌呤碱:咖啡因(Caffeine,C₈H₁₀N₄O₂,CAS 58-08-2,未脱咖版 3%–6% DW,低咖/脱咖版 ≤0.5%–2% 或 <0.1%)。
伴生氨基酸:L-茶氨酸(L-Theanine,γ-谷氨酰乙胺,C₇H₁₄N₂O₃,MW 174.20,CAS 3081-61-6,选标 0.5%–5.0%,诱导脑α波、拮抗咖啡因焦虑)。
微量伴生:黄酮苷(山奈酚/槲皮素糖苷)、绿原酸、可溶性膳食纤维等。
上禾生物提供总多酚 50%–98%(UV)、EGCG 20%–98%(HPLC)、脱咖啡因版、高茶氨酸版及 EGCG ≥95%/98% 高纯单体,以 HPLC-UV@274nm(EGCG CRS 外标)分峰标定儿茶素总和与咖啡因。

English Overview
The core active group of Green Tea Extract is Tea Polyphenols (flavan-3-ol catechins), among which Epigallocatechin-3-O-gallate (EGCG) accounts for 50%–80% of total green tea catechins and serves as the principal material basis for antioxidation, metabolic regulation, and anti-inflammation—also the primary quality marker.
EGCG (Epigallocatechin-3-O-gallate): C₂₂H₁₈O₁₁, MW 458.37, CAS 989-51-5; white to off-white powder, soluble in water/hot EtOH, with 8 phenolic OH groups; antioxidant capacity ~100× VC, ~25× VE; epimerizes to GCG under high heat (>80℃ prolonged) or alkali (pH>7)—formulation advised at pH 4–6, light-protected, nitrogen-flushed.
Other major catechins: ECG (Epicatechin gallate, C₂₂H₁₈O₁₀, CAS 1257-08-5, ~13.6%), EGC (Epigallocatechin, C₁₅H₁₄O₇, CAS 970-74-1, ~19%), EC (Epicatechin, C₁₅H₁₄O₆, CAS 490-46-0, ~6.4%).
Accompanying purine alkaloid: Caffeine (C₈H₁₀N₄O₂, CAS 58-08-2, non-decaf 3%–6% DW, low-decaf ≤0.5%–2% or <0.1%).
Accompanying amino acid: L-Theanine (γ-glutamylethylamide, C₇H₁₄N₂O₃, MW 174.20, CAS 3081-61-6, optional 0.5%–5.0%, induces α-waves, antagonizes caffeine anxiety).
Trace co-constituents: Flavonoid glycosides (kaempferol/quercetin glycosides), chlorogenic acid, soluble fiber.
STAHBIO supplies total polyphenols 50%–98% (UV), EGCG 20%–98% (HPLC), decaffeinated grades, high-theanine grades, and EGCG ≥95%/98% monomers, with HPLC-UV@274nm (EGCG CRS external standard) split-peak for total catechins and caffeine.
中文:茶多酚是"儿茶素族总称"而非单一分子,标化时须区分总多酚(UV-Folin/GAE)与总儿茶素(HPLC 四峰和);EGCG 是单体不是总效,高EGCG提取物的"茶多酚%"会高于"EGCG%"(伴生ECG/EGC/EC占余量)。
English: "Tea Polyphenols" is a family name, not a single molecule—spec sheets must distinguish total polyphenols (UV-Folin/GAE) from total catechins (HPLC 4-peak sum); EGCG is a monomer, not total efficacy; in high-EGCG extracts, "polyphenols %" > "EGCG %" (ECG/EGC/EC fill the rest).
公司官网 http://www.staherb.com/ 资质:HALAL, KOSHER等认证
☎:19573130018 杨经理(微信同号)
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