Four Different Methods Comparison for Extraction of Astaxanthin from Green Alga Haematococcus pluvialis

Figure 2

NMR determination for fatty acids profiles of extracts obtained by four different extraction techniques from H. pluvialis. ((a) NMR analysis of extract by HCI-ACE method; (b) NMR analysis of extract by HEX-IPA method; (c) NMR analysis of extract by MET-ACE method; (d) NMR analysis of extract by oil-soy method.)

(a)

(b)

(c)

(d)