ABSTRACT: OBJECTIVE To study the feasibility of processing Angelica sinensis by hot air-microwave combined drying, and to evaluate the quality of processed Angelica sinensis. Methods The hot air drying temperature, time, microwave drying equipment and microwave drying time were investigated.
According to the indexes of Chinese Pharmacopoeia 2015 edition, the quality of processed Chinese Angelica was evaluated, and the optimum technology was selected according to the quantity and productivity of microorganisms. The quantity of microorganisms, heavy metals and harmful elements and 10 kinds of active ingredients (ferulic acid, sonoprolide ferulic acid, ligustilide I, Ligusticum Ligusticum Ligusticum ligusticum, Ligusticum Ligusticum ligusticum) were detected respectively. Ester H, ligustilide A, E-ligustilide, Z-ligustilide, n-butenyl phthalide, riligustilide and Angelica lactone A) content.
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