Separation and Enrichment of Omega 3, 6, and 9 Fatty Acids from the By-Products of Vietnamese Basa Fish Processing using Deep Eutectic Solvent

Figure 6

(a) DES and methanol extract; (b) DES, methanol extract, and methyl ester after stirring and heating; (c) mixture after 8 hours of cooling; (d) omega-rich fatty acids in the liquid layer; (e) crystal solid under the microscope; (f) fatty acids separated from crystal solid.

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(b)

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(f)