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題 名 | 刺五加萃取物之體外美白防曬功效評估=In Vitro Skin Whitening and SPF Boosting Effects of Eleutherococcus Senticosus Extracts |
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作 者 | 鐘薇箮; 徐照程; | 書刊名 | 弘光學報 |
卷 期 | 64 2011.09[民100.09] |
頁 次 | 頁126-137 |
分類號 | 414.33 |
關鍵詞 | 刺五加; 化妝品活性; 美白; 抗氧化; SPF促進; Eleutherococcus Senticosus; Siberian ginseng; Cosmetic activities; Anti-oxidation; Skin whitening; SPF boosting; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究乾燥刺五加莖葉研磨後以95%乙醇迴流加熱得粗萃物,再以不同極性溶劑分離,冷凍乾燥獲得水層(E-W)、乙酸乙酯層(E-EA)、己烷層(E-Hex)三種分配萃取物。 由DPPH法測定抗氧化力結果,IC50依序為E-W(6.57 mg/ml)<E-Hex(7.99 mg/ml)<E-EA(10.00 mg/ml)。500ppm E-W抑制率為40%,顯現較銀杏與川紅花萃取更優異功效。總酚含量測定E-W之總酚含量(480.90mg of GAE /g)高於E-EA(411.60mg of GAE /g)與E-Hex(299.90mg of GAE/g)。其中E-W優於訴求低敏美白功效的葛根和訴求美白抗老化功效的黃岑。 本研究以體外酪胺酸酶抑制法,探討在2.70mg/g濃度下三種刺五加萃取之抑制率大小依序為E-W(55.89%)>E-EA(35.47%)>E-Hex(12.08%)。其中E-W萃取物IC50(2.42mg/ml)優於黃芩文獻值。以刺五加萃取液為活性原料,設計防曬霜配方並利用體外SPF分析法,評估其SPF促進功效結果顯示,未添加萃取液防曬霜SPF值為21.32±5.44。添加3%E-W於配方中測得SPF值為36.23±6.69,SPF促進率41.2%。添加濃度與SPF提升效果有正相關,綜上所述可知本研究刺五加E-W萃取物可為化妝品兼具抗氧化美白及促進SPF功效之新式原料。 |
英文摘要 | Cosmetic activity of alcoholic crude extract of stem and leave of Eleutherococcus Senticosus, and its water, ethyl acetate and hexane partition fractions (E-W, E-EA and E-Hex) were evaluated in this study. E-W extract possess highest DPPH radical scavenging effect (ID50:6.57 mg/ml), all showed stronger values than Scutellaria baicalensis. The total amount of phenolic compounds of E-W extract (480.90 mg of GAE /g) is much higher than Pueraria pseudo-hirsuta (0.96 mg/g) which was well-known for anti-oxidation property. E-W partition fraction presented inhibition of tyrosinase activity at the IC50 value of 4.70 mg/ml, showed higher whitening potential than Scutellaria baicalensis. The SPF-boosting properties of extracts were evaluated by in vitro SPF assay. Results shows formulation contains E-W fraction, boosted the SPF value from 21.32 ± 5.44 to 36.23 ± 6.69. Our study suggested that E-W partition fraction may have a promising potential for use as a novel cosmetic ingredient. |
本系統中英文摘要資訊取自各篇刊載內容。