Yes, refrigerating (or freezing) cooked oats increases their resistant starch content through retrogradation
How It Works
Cooking gelatinizes oat starch, making it digestible; cooling realigns amylose molecules into a crystalline structure (RS3 type), resisting enzymatic breakdown in the small intestine. Studies show cooked, chilled oats gain 3-5g resistant starch per 100g serving—more than raw oats alone.
Practical Impact
Overnight oats or reheated chilled oats boost gut-friendly fiber, improving blood sugar stability and satiety for weight management, aligning with your low-GI and diabetes interests. Raw oats retain natural RS2 but less than this method.
Tips for Max Effect
Cook, cool 12+ hours in fridge, reheat gently (microwave softens minimally); freezing works similarly but may alter texture.
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