由TNG66甘藷萃取β-Carotene製程研究

成功由TNG66甘諸中萃取β-carotene，使用溶劑為acetone溶液，萃取溫度為室溫（25℃），acetone的濃度建議高於75%；萃取製程含有兩個變數分別是acetone濃度與萃取時間，根據反應曲面（RSM）的實驗設計法，實驗結果顯示acetone濃度對萃取液的吸光值有顯著的影響，而建議的最適化萃取條件為90% acetone與萃取時間30min; 和單次萃取相比，多次萃取可以提高β-carotene的萃取量，雖然多次萃取可以將萃取率提升到80%以上，但萃取次數的選擇必須搭配經濟效益分析而決定。TNG66甘諸含有β-carotene及其他的carotene類似物，但以all-trans β-carotene為最多。

關鍵字

甘藷； β-carotene ；萃取；反應曲面法

並列摘要

β-carotene was successfully extracted from TNG66 sweet potatoes using acetone as the extraction solvent. The extraction temperature was 25℃. The most effective acetone concentration was higher than 75%. Two variables, acetone concentration and extraction time, were considered as major parameters of the β-carotene extraction process. Based on response surface methodology (RSM) results, the absorbance of the β-carotene extraction solution was significantly affected by the acetone concentration. The optimal operating conditions were the use of 90% acetone and an extraction time of 30 minutes. Increasing the extraction number improved the total amount of extracted β-carotene. Although the β-carotene extraction rate could be increased to above 80% after multiple extractions, the determination of the extraction number should be compensated with the result of economical analysis. TNG66 sweet potatoes contain significant amounts of β-carotene and carotene derivatives. The major component was the all-trans β-carotene.

並列關鍵字

sweet potato ； β-carotene ； extraction ； RSM

國際替代計量

由TNG66甘藷萃取β-Carotene製程研究

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