Q.n.1) what observation indicated that butterfat in the milk with blue litmus ad

Question

Q.n.1) what observation indicated that butterfat in the milk with blue litmus added had been hydrolyzed?

(A). Milk color changed from pink to blue.

(B). Milk color changed from blue to pink.

(C). Milk color remained unchanged.

Choose one from the list given and explain reason in your answer.

QN.2) which of the following observations from protein digestion indicates the greatest activity for the proteolytic enzymes such as pepsin or trypsin?

(A). gelation occurs rapidly.

(b). only partial gelation occurs during an hour.

©. No gelation occurs during an hour.

Explain your answer.

Explanation / Answer

1) The hydrolysis of butterfat in the milk is indicated by change in colour of from blue to pink as the hydrolysis releases acid which lowers the pH of milk. (option B)

2 ) Gelation will occur rapidly. gelation of protein means causes molecular unfolding, which leads to the partial aggregation of proteins and hence digestion.

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