Question

Which of the following is not a part of composition of glucose syrup?

(a) 95-97% glucose

(b) 1-2% maltose

(c) 0.5-2% isomaltose

(d) glucan 1,4-a-glucosidase

I got this question in examination.

Enquiry is from Large Scale Use of Enzyme topic in portion Large Scale Use of Enzyme in Solution of Enzyme Technology

Answer 1

Correct choice is (d) glucan 1,4-a-glucosidase

To elaborate: Composition of glucose syrup is as follows:

* 95-97% glucose

* 1-2% maltose

* 0.5-2% isomaltose

Glucan 1,4-a-glucosidase is an exoamylase which are used in the production of glucose syrups. Upon hydrolysis, this enzyme releases b-D-glucose from 1,4- α -, 1,6- α – and 1,3- α -linked glucans. This enzyme is obtained from Aspergillus Niger strains.