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African Journal of Traditional, Complementary and Alternative Medicines
African Ethnomedicines Network
ISSN: 0189-6016
Vol. 10, No. 4, 2013, pp. 179-185
Bioline Code: tc13105
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Traditional, Complementary and Alternative Medicines, Vol. 10, No. 4, 2013, pp. 179-185

 en APPLIED ORTHOGONAL EXPERIMENT DESIGN FOR THE OPTIMUM MICROWAVE-ASSISTED EXTRACTION CONDITIONS OF POLYSACCHARIDES FROM RHODIOLAE RADIX check for this species in other resources
Li, Fenglin; Xiao, Furen; Gong, Jingli & Yu, Tian

Abstract

An experiment on polysaccharides from Rhodiolae Radix check for this species in other resources (PRR) extraction was carried out using microwave-assisted extraction (MAE) method with an objective to establishing the optimum MAE conditions of PRR. Single factor experiments were performed to determine the appropriate range of extraction conditions, and the optimum conditions were obtained using orthogonal experiment design. The results showed that the optimum MAE conditions of PRR were as follows: solid-liquid ratio of 1:45 g/mL, irradiation power of 480 W, and irradiation time of 8 min, while extraction yield of PRR was 3.24 %.

Keywords
Rhodiolae Radix; polysaccharides; orthogonal experiment design; microwave-assisted extraction

 
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