臺灣博碩士論文加值系統

保養品中的基礎油是使肌膚能夠鎖住水份的重要成分，所使用的品項不同，價格與效果不同，常見的基礎油產地因氣候問題受限，產量較少。咖啡是國際市場中，交易量極大的商品，在南美、東南亞以及非洲等地皆有生產，隨著喝咖啡日漸普及，咖啡渣產量增加。
鑒於咖啡油與常用於保養品的摩洛哥堅果油脂肪酸組成成分相近，本實驗將探討藉由超臨界技術萃取咖啡油，應用於人體皮膚測試其對皮膚表面含水量以及皮脂平衡的影響。
以咖啡渣超臨界萃取咖啡油，無須經過加工步驟，可直接應用於保養品中，在操作條件3900 psi, 313K, 4.5hr 的條件下，產率最佳，可得到 8.951% 含量的咖啡油。
將超臨界萃取的咖啡油塗抹於人體皮膚，在三小時的實驗中，藉由數據發現，有塗抹的位置含水量為1.07，對照組為0.99，顯示咖啡油具有保濕功效，並且不會造成皮膚過敏以及皮脂失衡。

Essential oil is one of the crucial components in cosmetic products for moisturizing. Price and efficacy vary with different kinds of the essential oil. The production rate of the common essential oil, however, is limited by the plant origin and its climate. Currently, coffee has become one of the most popular commodity in the world. There are many extensive coffee plantation in South-America, South-east Asia and Africa. As the coffee population increases, plenty of the grounded coffee waste is generated simultaneously.
As coffee oil has similar functions of Morocco argon oil because their chemical composition of fatty acids (which is the major component in cosmetic products) are extremely similar. This experiment will study the result of the skin allergic reaction, skin hydration, and sebum balance through applied the coffee oil extracted by supercritical CO2 directly on human skin.
The coffee oil extracted by supercritical CO2 can apply to the cosmetics products directly without additional procedures. Under 3900 psi, 313K, 4.5h operation condition can bring the best yield rate. It can obtain 8.951% of coffee oil.
From a three hours testing, apply the coffee oil extracted by supercritical CO2 to the human skin can get better skin hydration result at 1.07. However, the control area is 0.99. The result proves the coffee oil has moisturizing efficiency. In addition, it will not cause any skin allergies and sebum imbalances issues.

摘要 i
Abstract ii
目錄 iii
表目錄 v
圖目錄 vi
第一章 緒論 1
1-1 研究動機 1
1-2 研究目的與規劃 3
第二章 文獻回顧 5
2-1 咖啡渣的應用、發展 5
2-2 植物精油常見的萃取方法 7
2-2-1 超臨界二氧化碳技術應用 8
2-2-2 超音波萃取技術應用 11
2-3 人體皮膚保濕的原理 12
2-3-1 皮膚的構造及組成 12
2-3-2 皮膚之分泌腺 14
2-3-3 保濕生理 14
2-4 皮膚多功能分析儀的原理 16
2-4-1 皮膚表面水分測試探頭CM825 16
2-4-2 皮膚黑色素和紅色素測試探頭MX-18 17
2-4-3 皮膚油脂測試探頭SM815 18
第三章 實驗方法與步驟 19
3-1原料與材料 19
3-2 氣體與藥品 19
3-2-1 氣體 19
3-2-2 溶劑與藥品 20
3-3 實驗設備 21
3-3-1 超臨界萃取設備 21
3-3-2 溶劑萃取設備 23
3-3-3 超音波萃取設備 24
3-3-4皮膚多功能分析探測儀 24
3-3-4 其他設備 25
3-4 實驗方法與步驟 26
3-4-1 咖啡渣除水 26
3-4-2 超臨界二氧化碳萃取製備咖啡油 26
3-4-3以乙醇為溶劑萃取咖啡油 28
3-4-4以乙醇為溶劑超音波震盪萃取咖啡油 28
3-4-5 皮膚多功能分析探測儀作人體測試 29
第四章 結果與討論 30
4-1 萃取咖啡油 30
4-2 超臨界萃取咖啡油的變因結果探討 31
4-2-1 壓力探討 31
4-2-2 溫度探討 32
4-2-3 時間探討 33
4-2-4 兩變因探討 35
4-3 多功能膚質分析儀測試結果 38
4-3-1皮膚表面水分測試探頭CM825 39
4-3-2 皮膚黑色素和紅色素測試探頭 MX18 41
4-3-3皮膚油脂測試探頭SM815 43
4-4 研究結果與文獻比較 44
第五章 結論與未來展望 46
參考資料 48
附錄 53

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