A naturally occurring form of limonene, a fragrant compound in citrus oils, that rotates polarized light to the right.
From dextro- 'right' and limonene, a terpene found in lemon and orange oils. The name reflects its optical rotation direction discovered in 19th-century organic chemistry.
That fresh citrusy smell in orange peels? That's dextrolimonene, and the left-handed version (levolimonene) smells like lemon instead—same molecules, opposite handedness, completely different scent!
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