Journal
JOURNAL OF CLEANER PRODUCTION
Volume 280, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.124452
Keywords
Ginkgo seeds; Ginkgotoxin; Removal; Detoxification; Membrane separation technology; Characterization
Categories
Funding
- China Postdoctoral Science Foundation [2017T100373, 2016M600417]
- National Key R&D Program of China [2017YFD0600701]
- 333 Project of Jiangsu Province [BRA2017458]
- Six Talent Peaks Project in Jiangsu Province [2015-JY-016]
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The study successfully utilized membrane separation technology to remove ginkgotoxin from Ginkgo seeds powder, preserving the main nutritional and functional components while maintaining the characteristics and structure of the detoxified product. The results suggest that membrane separation technology can be an effective method for ginkgotoxin removal from Ginkgo seeds powder.
Membrane separation technology was tried to remove the ginkgotoxin (4'-O-methylpyridoxine and 4'-O-methylpyridoxine-50-glucoside) from Ginkgo seeds powder for the first time in this work. 99.88 +/- 0.99% of the ginkgotoxin could transfer to the extraction solvent from the Ginkgo seeds powder when the water was used as the extraction solvent for extracting twice at 25 degrees C and solid to solvent ratio of 1:40 (g/mL) for 20 min. The conditions of ginkgotoxin removal by membrane separation were next studied as: ultrafiltration membrane with cut-off molecular weight of 10000 Da was operated at 0.2-0.3 MPa with a permeate volume of 4.7 L, and nanofiltration membrane with cut-off molecular weight of 600 Da was operated at 0.4-0.5 MPa with a permeate volume of 3.0 L. All the ginkgotoxin could be removed under the selected membrane operation conditions. The main nutritional and functional components of Ginkgo seeds powder were well preserved after detoxification. The main characteristics or structure of the detoxified Ginkgo seeds powder were not obviously changed. The membrane separation technology could be used as an effective method for removing ginkgotoxin from Ginkgo seeds powder. (C) 2020 Elsevier Ltd. All rights reserved.
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