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MATCHING. Choose the item in column 2 that best matches each item in column 1 Ma

ID: 542692 • Letter: M

Question

MATCHING. Choose the item in column 2 that best matches each item in column 1 Match the treatment with the color change given. Answers may be used more than once. A) Alkali B) Acid (plus heat) C) Color of green vegetable when phyty 1) 2) 3) 4) 5) 1) Loss of intensity of carotenoid. 2) Anthocyanin becomes redder 3) Anthoxanthin tums yellow. 4) Anthocyanin becomes blue to green. 5) Chlorophyllin is formed. 6) Chlorophyllide is formed. 7) Anthoxanthin becomes whiter 8) Pheophytin formed group is removed 7) 8)

Explanation / Answer

1-Loss of intensity of carotenoid is due to reaction with alkali.

2-Anthocyanin becomes redder on reaction with acid(or anthocyanin is redder in acedic medium).

3-Anthoxanthin turns yellow on reaction with alkali.

4-Anthocyanin becomes blue to green on reaction with alkali.

5-Chlorophyllin is formed when phytyl group is removed.

6-Chlorophyllide is formed when phytyl group is removed.

7-Anthoxanthin becomes whiter on reaction with Acid.

8-Pheophytin is formed on reaction with acid (digeston of chlorophyl leads to formation of pheophytin).