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Author Question: Identify starches that are high in amylose. Identify starches that are high in ... (Read 83 times)

nelaaney

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on: Aug 19, 2018
Identify starches that are high in amylose. Identify starches that are high in amylopectin.

Question 2

Compare amylose and amylopectin, including their thickening abilities.


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Viet Thy

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Reply #1 on: Aug 19, 2018
Answer to Question 1

Starches that are high in amylose include wheat and corn starch. Sources that are high in amylopectin include waxy maize, tapioca, and potato starch.

Answer to Question 2

Amylose refers to a linear chain of alpha glucose molecules linked by alpha 1--4 glycosidic bonds. Amylose contributes to gelling characteristics of cooked and cooled starch. Amylopectin refers to a branched chain of alpha glucose molecules linked by both alpha 1--4 and alpha 1--6 glycosidic bonds. Amylopectin contributes to cohesion/thickening properties of cooked and cooled starch.


nelaaney

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Reply 2 on: Aug 19, 2018
Thanks for the timely response, appreciate it

rachel

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Reply 3 on: Yesterday
Excellent

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