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Biochemistry:Gelatin

By Janice VanCleave

Question: Why is it ok to used canned pineapple but not fresh pineapple when making a gelatin dessert? Answer: Fresh pineapple has protease, which is a chemical that digests protein. Actually, fresh pineapple contains bromelain, with is a combination of two protein-digesting chemicals.Gelatin is made from the meat protein collagen. The bromelain in fresh pineapples […]

Filed Under: Biology Tagged With: bromelain, protese

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The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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