Table 2.

Mass yield of water soluble ALS-WSP and chelating soluble ALS-CSP pectins obtained by ion-exchange chromatography.

Elution solutions	Fractionsa
ALS-WSP	ALS-CSP
(1) Buffer	7	4
(2) Buffer + 0.125 M NaCl	17	7
(3) Buffer + 0.25 M NaCl	35.5	31.5
(4) Buffer + 0.5 M NaCl	7	9
(5) Buffer + 1 M NaCl	8	3.5
Total:	74.5	55

Buffer: Phosphate buffer (0.05 M, pH 6.3).

^aExpressed as % of 400 mg ALS-WSP and ALS-CSP.