Abstract
To study the feasibility of the application of ultra high-pressure processing (UHPP) as an anticorrosion and anti-mould method by comparing the total numbers of bacteria and mould colonies and the content of ginsenosides before and after UHPP. The total numbers of bacteria and moulds colony were determined by microbiological test method. The contents of 12 ginsenosides were determined by HPLC. Under the three selected conditions, the total number of bacterial colony decreased significantly, while the mould was not detected in UHPP samples; and the contents of 12 ginsenosides were increased significantly in methanol extracts and water extracts. UHPP not only shows anticorrosion and anti-mould effects, but also enhances the leaching rate of ginsenosides. It is a highly effective, safe and environmental friendly anticorrosion and anti-mould technique for Ranax ginseng worth in-depth study.
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