Category: Uncategorized

LANGUAGE OF SNIFFERS. Rose oxide isomers differ in smell: "1. Floral-green, clean, rose, green, strong; 2. Floral-green, green, herbal, minty, fruity; 3. Herbal-green-floral, smell of hay, green, earthy; 4. Herbal-green-floral, fruity, herbal rose, citrus (bitter rind)." https://lnkd.in/eMTZmZF View in LinkedIn

NERVOUS SYSTEM PROTEINS. "Plants produce several proteins found in the animal neuron nervous system such as acetylcholine esterase, glutamate receptors, GABA receptors, and endocannabinoid signaling components. They also use ATO, NO, and ROS like animals for signalling." https://lnkd.in/eBdU9He) View in LinkedIn

AMBERGRIS (ambra) is the musty scent derived from the digestive tract of the sperm whale, and only the (-) form is prized. https://lnkd.in/e9NBUvg View in LinkedIn

DIFFERENT SYSTEM. Plants "don't have noses or a nervous system, but they still have an olfactory sense, and they can differentiate." https://lnkd.in/ebihGuY View in LinkedIn

JASMINE SMELLS are from methyl dihydrojasmonate (hedione), but only in one chiral form has the intense floral odor. This becomes important when we return to plant olfaction next weekend. https://lnkd.in/e9NBUvg View in LinkedIn

TALKING TREES. "Other plants communicate by exchanging chemical signals through their leaves, stems, or roots." https://lnkd.in/emhsDjP View in LinkedIn

WINE SPECTATOR QUOTE from many years ago which I cut out and framed: "...with a hint of cat's piss." View in LinkedIn

SANDALWOOD (santalol) is an isomer, but only the (-) form gives the well-known sandalwood scent. View in LinkedIn

MENTHOL has 8 stereoisomers or 4 enantiomeric pairs; only the (-) enantiomer has the clean minty odor. https://lnkd.in/e9NBUvg View in LinkedIn

CHIRAL SCENTS continues this week, where molecules that are identical except for handedness may have entirely different biological properties including smell. These may be called Looking Glass scents, after Alice. View in LinkedIn