Pineapple flavor and Allyl caproate

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My favorite unit in O-Chem(Organic Chemistry) was when the professor brought in a small bottle of Allyl caproate (aka Allyl hexanoate FEMA #2032) for the class to evaluate. It was my first exposure to a flavor aromatic. He passed around the bottle and asked us carefully smell the bottle and tell the class what we thought. I was intrigued, it smelled like pineapple. From that moment on, I was hooked on O-Chem. The unit's focus was probably naming or was focused on esters. Allyl caproate is an ester. Esters are often times described as fruity.  Allyl describes the group of atoms attached to the ester group.         Allyl caproate is fruity and smells like pineapple, but also has a … [Read more...]