What specific structural characteristic of Adzuki starch dictates its slow-digesting nature?

Answer

C-type crystal structure

The metabolic advantage of Adzuki beans regarding blood sugar stability is directly linked to the physical arrangement of its primary carbohydrate component. The starch within these beans possesses a specific C-type crystal structure. This structure fundamentally dictates that the starch is slow-digesting, meaning that enzymes take much longer to break it down into absorbable sugars. Demonstrations in vitro confirmed this, showing a very low hydrolysis rate after a two-hour period, which is instrumental in preventing the rapid blood sugar spikes associated with rapidly digestible starches.

What specific structural characteristic of Adzuki starch dictates its slow-digesting nature?
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