What Happens When We Put Raisins in Water? The Science of Swelling
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4 min read
Osmosis, a fundamental biological process, is the exact scientific reason why a shriveled raisin becomes plump when submerged in liquid. When we put raisins in water, water molecules move across the fruit's semi-permeable skin, rehydrating the dried grapes from the inside out and changing their texture and nutritional profile.