• kboos1@lemmy.world
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    18 days ago

    Because spicy is not a flavor. Spicy is more like an allergic reaction to a chemical that certain plants excrete as a defense mechanism. Humans are just weirdos because we enjoy our mouths and buttholes being on fire.

    • hydrashok@sh.itjust.works
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      18 days ago

      Plant: develops high amounts of capsaicin to ward off predators

      Humans: ooh, this would be great with chicken!

      Plant: am I a joke to you?

    • jmill@lemmy.zip
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      18 days ago

      The chemical is capsaicin, and it’s a neurotoxin. That’s why with repeated exposure you can start to gain resistance.

      Birds are less sensitive to capsaicin, which made having it around seeds beneficial for plants. Birds eat the seeds and then spread them after flying somewhere else, but mammals are deterred from eating the seeds and they are poor vectors for spread because most mammals that eat large amounts of vegetable matter have molar teeth that aid in breaking down small seeds for digestion.

      Until a certain mammal decided they liked the burn, and deliberately spread those plants further than birds ever did.

          • ButteryMonkey@piefed.social
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            18 days ago

            Ooh I get to be that guy!

            Acktachully, your entire digestive system is lined with taste buds! They aren’t hooked into your normal sensory awareness, so you don’t taste your own digestive juices the way you taste your mouth, but they are used for sensing things like spoiled food and spice! Those receptors can trigger ejection of material if it’s bad enough (diarrhea/vomiting, depending where in the tract it sensed bad stuff). That’s why sometimes after something very spicy, your guts burn.

            https://askabiologist.asu.edu/taste-outside-mouth general info about digestive system taste buds

            https://pubmed.ncbi.nlm.nih.gov/23886384/ This one is specifically about taste receptors in the colon

  • megopie@lemmy.blahaj.zone
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    17 days ago

    Spicy isn’t a taste or a smell, it is a sensation caused by the compounds lowering the threshold to activate of heat detecting nerves too below the ambient temperature of the human body. It’s basically making you burn your self.

    Lots of other “flavors” are also like this, lowering the threshold of firing for certain sensory nerves. Sichuan pepper for instance, it lowers the threshold for movement sensing, causing the bizarre tingle waving sensation.

    Those heat sensing compounds exist all over your body, not just in your mouth.

      • megopie@lemmy.blahaj.zone
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        17 days ago

        Not always. Black pepper contains Piperine which also effects the TRPV1 sensing protein like capsaicin, if a bit weaker. Horseradish, mustard and wasabi have Allyl isothiocyanate which affects TRPV1 but also TRPA1 which triggers pain cold and itching response, leading to coughing and tearing.

        There are a fair amount of other compounds that effect the TRPV1 and plenty of other similar receptors.

    • Aljernon@lemmy.today
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      18 days ago

      I envy you that you’ve never taken a shit with your sphincter on fire and a tear rolling down your face

      • MIDItheKID@lemmy.world
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        17 days ago

        I like spicy things. I eat spicy things all the time. One time maybe 10 years ago I ate a “stinger” pie from a pizza place. It was a pizza with hot peppers and hot pepper oil. It was so spicy and so so good.

        The events that occurred in the next 24 hours were something to behold. I was sitting on the toilet, sweating, shaking, and making my peace with God. It was an all day event. Full throttle.

        Since then, my intestinal fortitude has been severely diminished. I have to be careful about eating things too spicy or it will mess me up. It’s like I built up a thick intestinal lining over years and years, and this one event tore down the walls. They were blasted out.

        Life has not been the same.