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Study On Drying And Whole Processing In American Ginseng(Panax Quinquefolium Linn.)

Posted on:2003-09-11Degree:DoctorType:Dissertation
Country:ChinaCandidate:Z E DingFull Text:PDF
GTID:1103360062986107Subject:Silviculture
Abstract/Summary:PDF Full Text Request
1, The extraction and isolation of total Ginsenoside from American Ginseng's leave and flower were studied in this paper. The results showed that the efficiency of extraction is 80% with hot-water extracting and macroporous adsorption resins as affinity column. Extraction coeffient occupy 16.6% in dry leave and 32.5% in dry flower. Total Ginsenoside concentration is 68.029% in leave extraction and 85.015% in flower extraction. The correlation of equation were highly significant. Technology-combination and main parameters were put forward firstly. This study offered the theoretical basis for high-efficiency and high-pure total Ginsenoside in extration and isolation American Ginseng's leave and flower.2, Polysaccharide is one of important biologic active component in American Ginseng. The role of polysaccharide of American Ginseng is as Ginsenoside in officinal and health the role in according to latest research. The extraction and isolation of Polysaccharide from American Ginseng's leave were studied firstly time in this paper. The results showed that the efficiency of extraction is 96% with hot-water extracting and ethanol-subsiding method. Extraction coeffient occupy 19.3% in dry-leave. Polysaccharide concentration is 32.2% in leave extraction.the efficiency of extraction is 98% with ethanol extracting and macroporous adsorption resins as affinity column. Extraction coeffient occupy 17.7% in dry leave. Polysaccharide concentration is 35.2% in leave extraction. This study offered the theoretical basis for synthetize utilization American Ginseng's leave.3, American Ginseng's fruit--remainder in American Ginseng production and the fermentationof fruit wine were studies in utilization value and technology process. The results showed that A lot of total Ginsenoside and dissociative amino- acid exist in fresh fruit. Total Ginsenoside in fruit juice was added and to 138.88% with Saccharomyces Cerevisiae in fermentation. Technology-flow chart and quality standard were put forward firstly. This study offered the theoretical basis for manufacturing total Ginsenoside in factory and synthetize utilization American Ginseng's fruit.4, Dry mechanism and usually rotten in dry American Ginseng's root were studied in this paper. The results showed that the transformation of water was fitted Cubic equation in dry AmericanGinseng's root. Water evaporation was controlled in "inside-pervasion" mechanism in dehydration. There were "Red eyes", "Browning", "Powdery", and "Mildew" and so on. hi usually rotten. Rotten critical point is 22% water in root and 55-65% in environment humidity. Browning hi American Ginseng's root belongs to enzyme-browning and non-browning hi drying process, hi fact, "Red eyes" dry-root was a good product hi quality. Browning mechanism, quality value about "Red eyes" and quality controlling point were put forward firstly over all world. This study offered the theoretical basis for manufacturing good-quality American Ginseng's dry-root.
Keywords/Search Tags:American Ginseng, Extraction and Isolation, Fermentation, Dry-Mechanism, Browning-Mechanism, Quality Control
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