Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 4

Experimental study on fluidized bed drying process of Maca (Lepidium meyenii Walp.) tuber

Abstract

In this study, the fluidized bed drying method of maca tuber was adopted. Through single factor test, the influence of three main factors including air inlet temperature, air flow and material particle size on the glucosinolate content and the saturation value of the maca tuber were investigated. Setting the glucosinolate content as the response value, the response surface methodology (RSM) and optimization were performed, to establish the regression model for the influence of fluidized bed drying of maca tuber on its glucosinolate content. The results showed that, when the air inlet temperature was 65℃, air flow was 150 m³/h and material particle size was 3 mm, the highest glucosinolate content of maca with good sensory quality was achieved.