Which specific carotenoid found in lettuce inhibits enzymes responsible for starch breakdown into glucose?
Answer
Lactucaxanthin
Lactucaxanthin is a specific type of carotenoid compound found within lettuce that has been the subject of study for its potential role in metabolic regulation, particularly concerning carbohydrate management. This compound exhibits the ability to inhibit key digestive enzymes, specifically $\alpha$-amylase and $\alpha$-glucosidase. These enzymes are responsible for hydrolyzing complex starches into simpler glucose molecules. By slowing down this enzymatic breakdown process, lactucaxanthin helps to moderate and manage the post-meal spike in blood glucose levels, offering a beneficial mechanism for individuals monitoring their sugar intake, such as those managing diabetes.
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