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The Influence of Smoked and Storage to Angelica Sulfur Dioxide and Quality Residues

WANG Gang;JIN Xiao-jun;WANG Hui;ZHANG Wei-juan;LI Xiao-li;College of Agronomy,Plant Production Experimental Center,Gansu Agricultural University;  
This paper used the orthogonal experimental design to study the influence of sulfur dioxide and ferulic acid residues.It consisted of angelica water content,sulfur,dosage of smoked and storage time.The results shown that sulfur content on the sulfur dioxide residues effects are the very significant,smoked time on the influence of the sulfur dioxide residues are remarkable,the moisture content of sulfur dioxide residues are not significant.When Angelica water content was 15%-20%,sulfur amount for 0.025 kg/kg,smoked 24 hours of medicinal materials processing of SO2residues are minimal,is 251.54 mg/kg.Different treatment sulfur dioxide remains with the storage time of that relationship,storage 60 days,the processing of SO2residues are decreased,on average,fell to 54.5%.Of which water content was 20% ~ 25%,sulfur amount for 0.025 kg/kg,smoked 48 hours of medicinal materials processing,in storage after 60 days return of SO2residues dropped of 73.7%,the least quantity is 78.35 mg/kg.Water content was 20% ~ 25%,sulfur amount for 0.025 kg/kg,smoked 24 hours of medicinal materials processing,the content of ferulic acid is 0.402 2 mg/g.
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