Title: Method for removing stinking smell of ursine seal oil
Application Number: 200510131197 Application Date: 2005.12.30
Publication Number: 1813552 Publication Date: 2006.08.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A23D9/02
Applicant(s) Name: Shandong Normal Univ. Address: 250014
Inventor(s) Name: Liu Daicheng
Attorney & Agent: zheng huaqing
Abstract:
     The present invention relates to a method for removing fishy odour of sea dog oil. Said method includes the following steps: (a), adding sea dog oil and acid solution or colorless fermented sauce containing kojic acid into a container to make acid treatment, standing still, after the above-mentioned mixed solution is layered, discharging lower cloudy acid solution or colorless fermented sauce liquor containing kojic acid; (b), adding alkaline solution into the sea dog oil to make alkali treatment, standing still, after the above-mentioned solution is layered, discharging lower cloudy alkaline solution; (c), adding metal ion chelate into the sea dog oil to make integration treatment, standing still, after the above-mentioned solution is layered, discharging lower cloudy chelate solution; (d), then adding deionized water into the sea dog oil to make water-washing, standing still, discharging lower aqueous solution; and (e), adding Na2SO4 in sea dog oil to make dehydration, then introducing N2 to blow out residual odour, recovering Na2SO4 so as to obtain the sea dog oil free from fishy odour.
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