2013•Hubei nongye kexueRequires access
Optimization of Microwave Assisted Extraction of Yellow Pigment from Carthamus tinctorius L.
Zhuang Li
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Abstract
Using the yield of yellow pigment as main indicator,the microwave assisted extraction technology of yellow pigment from Carthamus tinctorius L.was studied.The results showed that the order of factors influencing extracting effect was extraction times extraction temperature water to solid mass ratio extraction time.The optimal extraction craft was microwave power at 1 000 W,extraction temperature at 70 ℃,extraction time for 2.0 h,water to solid mass ratio at 60∶1,extraction for 3 times,under which the yield of yellow pigment could be up to 7.73%.