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. 2021 Dec 24;11(1):41. doi: 10.3390/foods11010041

Figure 1.

Figure 1

FT-IR absorption spectra of (a) USP reference standard krill oil sample, (b) fish oil, and (c) mixture sample of krill oil raw material and fish oil (50/50, w/w%). (d) Second-derivative FT-IR spectrum of (c). See Table 1 for each peak assignment.