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. 2019 May 14;17(5):291. doi: 10.3390/md17050291

Table 1.

Chemical composition of the ULVAN-01 and ULVAN-02 fractions.

ULVAN-01 ULVAN-02
Neutral sugars % (w/wdry fraction) 41 33
Uronic acids 34 31
Sulfates on the polysaccharide backbone (sulfate to uronic acid molar ratio) 11 (0.65) 20 (1.30)
Proteins 4 <1
Polyphenols 0 0
Lipids 0 0
Ashes 23 nd (d)
Monosaccharide composition (% molar ratio) Glc/Gal 12.2 nd (d)
Xyl 8.0 nd (d)
Rha 42.6 nd (d)
GlcN 6.9 nd (d)
GlcA/IdoA 30.3 nd (d)
Mn (a) (kDa) 31.3 39.0
Mw (b) (kDa) 56.7 55.3
I (c) 1.8 1.4

(a) number-averaged molecular weight; (b) weight-averaged molecular weight; (c) polydispersity index; (d) not determined.