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2006•Qilu Pharmaceutical AffairsRequires access

Study of optimizing the alkaloid extraction of pepper

Yang Zi-peng

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Abstract

OBJECTIVE To optimize the alkaloid extractive procedure of pepper by the orthogonal design.METHODS With the extraction rates of total alkaloids as criteria,the orthogonal design was used,respectively to examine the influence of such factors as alcohol concentration,extraction time of the ultrasonic and the reflux time.RESULTS It was found that the optimized extraction procedure was to extract total alkaloids,with 75 percent alcohol as liquor.First ultrasonic extracts for 60 minutes,then circumfluence for 1 hour.CONCLUSION The optimized extraction procedure was rationally designed with high extraction rates of total alkaloids.The method showed a higher feasibility.

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OBJECTIVE To optimize the alkaloid extractive procedure of pepper by the orthogonal design.METHODS With the extraction rates of total alkaloids as criteria,the orthogonal design was used,respectively to examine the influence of such factors as alcohol concentration,extraction time of the ultrasonic and the reflux time.RESULTS It was found that the optimized extraction procedure was to extract total alkaloids,with 75 percent alcohol as liquor.First ultrasonic extracts for 60 minutes,then circumfluence for 1 hour.CONCLUSION The optimized extraction procedure was rationally designed with high extraction rates of total alkaloids.The method showed a higher feasibility.

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Available abstract

OBJECTIVE To optimize the alkaloid extractive procedure of pepper by the orthogonal design.METHODS With the extraction rates of total alkaloids as criteria,the orthogonal design was used,respectively to examine the influence of such factors as alcohol concentration,extraction time of the ultrasonic and the reflux time.RESULTS It was found that the optimized extraction procedure was to extract total alkaloids,with 75 percent alcohol as liquor.First ultrasonic extracts for 60 minutes,then circumfluence for 1 hour.CONCLUSION The optimized extraction procedure was rationally designed with high extraction rates of total alkaloids.The method showed a higher feasibility.

Key concepts: Extraction (chemistry), Pepper, Chromatography, Alkaloid, Alcohol, Chemistry, Stereochemistry, Organic chemistry

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