Isolation, Structural Characterization, and Valorization of Pectic Substances from Algerian Argan Tree Leaves (Argania spinosa (L.) Skeels)

Table 3

Monosaccharide composition of water-soluble AL-WSP(3) and chelating-soluble AL-CSP(3) pectins.

Fraction	Yield^a	UA^b	Sugar composition^c
			Rha	Fuc	Ara	Xyl	Man	Gal	Glc
AL-WSP(3)	23	14	15.5	0.5	65	2.5	—	13.5	3
AL-CSP(3)	16.5	25.5	14.5	0.5	68	2.5	—	11.5	3

 ^aExpressed as % of 400 mg AL-WSP(3) and AL-CSP(3) eluted with 0.25 M NaCl; ^bexpressed as relative weight percentage; ^cpercentage of peak area relative to total peak areas, determined by GC; UA: uronic acid; Rha: rhamnose; Ara: arabinose; Xyl: xylose; Glc: glucose; Gal: galactose; Man: mannose; Fuc: fucose; CSP: chelating-soluble pectin; WSP: water-soluble pectin; AL: argan tree leaves.