Optimization, Modeling and Antibacterial Activity of Extraction from Fructus Alpinia Oxyphylla

Abstract:

Substances from Fructus Alpinia Oxyphylla (AOF) were extracted by using solvent extraction. In accordance with central composited design of response surface methodology system, the extracts were analyzed for the index which is the criteria formula of multiplying OD value by the yield. The optimum conditions obtained were extraction temperature of 60°C, liquid-solid ratio of 9mL/g, and solvent density of 80%. According to Ficks second law of diffusion, experimental parameters of K (rate constant), Ea (activation energy), Gs (effective diffusion coefficient) were gained, which represents a good agreement between the model simulation and the results of the actual process. The results can provide the valuable theory basis for the technical design and further research of extraction process. Antibacterial activities of the extraction were shown through MIC of which represents a significant effect.

• Periodical: Advanced Materials Research (Volumes 781-784)
• Pages: 827-831
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.781-784.827
• Online since: September 2013
• Authors: Dan Wang*, Wen Xue Chen, Yue Ying Hu, Mei Fang Peng
• Keywords: Antibacterial Activity, Box-Behnken Design (BBD), Fructus Alpinia Oxyphylla (AOF), Kinetic Model

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