Abstract
Using ethanol as solvent, reflux extraction of aloetic anthraquinone compounds was studied. The single-factor orthogonal experiments were conducted to optimize extraction process and the extractive was identified using infrared spectroscopy. The results suggested the best extraction conditions: ethanol concentration 70%, extraction temperature 333.15K, extraction time 25 min, bath ratio 1:1.5. This simple and effective extracting method is in accord with current energy-saving, environmental protecting trends, and its product has wide application prospects for preparation of health-care textiles.
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