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- W2384103294 abstract "Objective To establish the extraction technology of volatile oil from Torreya Grandis Shell by steam distillation.The volatile oil component was analyzed by GC/MS,and antimicrobial activity was also studied.Methods The orthogonal experiment was applied in the optimization of the extraction conditions.Water volume,immersion time and extraction time were chosen as the influence factors.Forty compound were identified,the main ingredients were Limonene(42.998%),α-Pinene(28.138%)and β-Phellandrene(3.927%).The disk diffusion was used as antibacterial activity test.Results:water volume was the most important factor which affected the yield of volatile oil.Studies also suggested that volatile oil had some inhibition to Bacillus subtilis and Saccharomyces cerevisiae,and had little or no inhibition activity to Escherichia coli,Staphylococcus aureus and Aspergillus niger.Conclusion The optimized extract process as bellow:To dip the materials with 8 volume water for 1 hours and distill 3 hours by vapor.Under these conditions,oil yielding rate is 2.27%.It was presumed that volatile oils from this materials have a weaker antibacterial activity." @default.
- W2384103294 created "2016-06-24" @default.
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- W2384103294 date "2011-01-01" @default.
- W2384103294 modified "2023-09-27" @default.
- W2384103294 title "Studies on extraction technology of volatile oil from torreya grandis shell and its antibacterial activity" @default.
- W2384103294 hasPublicationYear "2011" @default.
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