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The use of PECT-KAO® Suspension and @uestran powder as clarifiers of the commercial liquid rennet extract [electronic resource].

By:

Azzam, M. A. A

Contributor(s):

Language: English Summary language: Arabic Description: p.6237-6245Other title:

استخدامPECT-KAO® Suspension and @uestran powder كمروقات لمستخلصات المنفحة التجارية السائلة [Added title page title]

Uniform titles:

Mansoura University journal of agricultural sciences, 2003 v. 28 (8) [electronic resource].

Subject(s):

rennet

Online resources:

Full Text Article.

In: Mansoura University Journal of Agricultural Sciences 2003.v.28(8)Summary: The effect of using pect-kao® suspension and questran@ powder as clarifying agents with different concentrations (6, 10, 20, 30%) and pH values on chemical, clarity and microbiological properties of commercial liquid rennet extract (CLRE) was studied. Both clarifying agents caused changes, i.e. an increase in rennet coagulation time (RCT), loss in clotting activity (CA) and decrease in the ratio of CA to proteolytic activity (PA) irrespective of concentration of clarifying agent and pH values. On the other hand, using of questran® powder with any concentration at pH 5.5 was less effective in the changes of clarified rennets. However, adding tri-sodium phosphate (TSP) at concentration 0.8 and 0.4% to pect-kao® suspension and questran@ powder, respectively, mininized the loss in CA during clarification process at pH 5.5. The clarified rennets had maximum clarity, low total bacterial count (TBC) with the absence of coliforms as compared with control.

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The effect of using pect-kao® suspension and questran@ powder as clarifying agents with different concentrations (6, 10, 20, 30%) and pH values on chemical, clarity and microbiological properties of commercial liquid rennet extract (CLRE) was studied. Both clarifying agents caused changes, i.e. an increase in rennet coagulation time (RCT), loss in clotting activity (CA) and decrease in the ratio of CA to proteolytic activity (PA) irrespective of concentration of clarifying agent and pH values. On the other hand, using of questran® powder with any concentration at pH 5.5 was less effective in the changes of clarified rennets. However, adding tri-sodium phosphate (TSP) at concentration 0.8 and 0.4% to pect-kao® suspension and questran@ powder, respectively, mininized the loss in CA during clarification process at pH 5.5. The clarified rennets had maximum clarity, low total bacterial count (TBC) with the absence of coliforms as compared with control.

Summary in Arabic.

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