Antioxidant activity potential of Virginia (flue-cured) tobacco flower polysaccharide fractions obtained by ultrasound-assisted extraction.

@article{Xu2013AntioxidantAP,
  title={Antioxidant activity potential of Virginia (flue-cured) tobacco flower polysaccharide fractions obtained by ultrasound-assisted extraction.},
  author={Chun-ping Xu and Yuan Xiao and D. B. Mao},
  journal={Bioscience, biotechnology, and biochemistry},
  year={2013},
  volume={77 10},
  pages={2100-4}
}
Ultrasound-assisted extraction was employed to extract polysaccharide from Virginia (flue-cured) tobacco flowers. The orthogonal matrix method (L9(3)(4)) was used to determine the optimal extraction conditions as to ultrasound power, extraction time, ratio of solvent to solid, and extraction temperature at 300 W, 4 min, 35 (mL/g), and 70 °C respectively. The crude extract was successively purified by chromatography, yielding two major polysaccharide fractions, termed Fr-I and Fr-II. Both… CONTINUE READING

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