Sugar concentration
Sugar concentration was determined by
Nelson-Somogyi method [11]. It was used to monitor
soluble RS (reducing sugar) formation during
the acid hydrolysis of cassava peels. Glucose
concentration in hydrolysates was measured by the
glucose oxidase-peroxidase method using 2,
2'-azino-di-(3-ethylbenzthiazoline)-6-sulphonate
(ABTS) as a chromogen [12].
Reducing sugar yield (%) was represented
the amount of g of reducing sugar per 100 g of cassava peels.
All determinations were triplicated to
estimate mean values and standard deviations.