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Thread: Let's eat some cactus!

  1. #25
    rattler's Avatar
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    What is the difference between an acid and an enzyme? In my mind they are essentially the same thing, maybe someone can clarify?
    the vast majority of enzymes are actually proteins, enzymes are also always biomolecules, as in some animal or plant makes them.....

    an acid is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion activity greater than in pure water, i.e. a pH less than 7.0...........

    enzymes kinda work like acids but the process is more complex.......and specific enzymes tend to work on specific things, almost always biologic material where acids(like hydrochloric or sulfuric) will tend to react with alot more things like inorganics......
    cervid serial killer
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  2. #26
    rattler's Avatar
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    Quote Originally Posted by seedjar View Post
    Well, you must have tougher mucous membranes than mine, because when I ate uncored pineapple my mouth was cut up bad by the time I'd had my fill.
    ~Joe
    yeah but that doesnt get past the fact its just basic plant fiber and not something potentially dangerous..........
    cervid serial killer
    Know guns, know peace, know safety. No guns, no peace, no safety
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  3. #27
    swords's Avatar
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    Thanks for info Rattler. OK, so where I get my confusion on acids vs enzymes is that they call things like orange juice, lemon juice, etc "citric acids" when someone has heartburn they're said to have "acid reflux". Should it not then correctly be called "enzyme reflux" and "citric enzyme"? I realize Methylethylketone and solvents aren't natural enzymes but inorganic acids. That's why I had the confusion, cos they still call some organic enzymes acids, at least popularly...

    And that article did say "the acid in the pineapple..."
    (There's acid in the pineapple? Lets get some! )

  4. #28
    rattler's Avatar
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    citric acid is a weak acid.....acid reflux is the hydrochloric acid produced by the stomach.......they are real acid....best example of an enzyme i can think of is snake venom.......
    cervid serial killer
    Know guns, know peace, know safety. No guns, no peace, no safety
    I didn't get stimulated but he kept his promise on change, that's about all I got left!
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  5. #29
    Let's positive thinking! seedjar's Avatar
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    It is just plant fiber, but it's a particularly tough, thick one with acute angles and perpendicular serrations. Treated piña fibers are pretty soft, but before rendering they're fairly structural and rigid. Combine the softness of internal tissues with the meat tenderizing effects of bromelain, then add tiny stiff fibers tougher than cellulose; do you really think you aren't going to get cut?
    Think about the ecology of pineapple; it evolved in a fertile, fair-weather environment where it could grow at a good pace year-round. As a big bromeliad with a tough, waxy cuticle and fibrous tissue, it's highly resistant to attack by small herbivores. What's to worry about is giant, New-World grazing mammals that have yet to go extinct due to human activity. Tough skins on their fruit will only offer so much protection - a large enough mouth can grind down the skin with big, flat teeth, or strong teeth and jaws can be used to tear the skin open. Toxicity is also a poor defense against large herbivores, because toxic effect is in general inversely proportionate to body mass. However, the fibers of the pineapple already make them hard to digest; the addition of bromelain makes ingestion genuinely uncomfortable, and even a hazard in large quantities. By specifically targeting the mouth and digestive tract of predators, pineapples are able to skirt around the mass advantage, since the digestive organs scale as a square of body size, rather than the cubic growth of body mass. That's how it was explained to me in the book I got it from. Might not be true, but it seems consistent both internally and with my personal experiences.
    ~Joe
    o//~ Livin' like a bug ain't easy / My old clothes don't seem to fit me /
    I got little tiny bug feet / I don't really know what bugs eat /
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    Livin' like a bug ain't easy / Livin' like a bug ain't easy... o//~

  6. #30
    rattler's Avatar
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    why would a plant evolve defend itself against a predator and not a herbivore? and plants dont put the thier defenses in the core of a plant that is the last thing that an animal eats....thats idiotic........
    cervid serial killer
    Know guns, know peace, know safety. No guns, no peace, no safety
    I didn't get stimulated but he kept his promise on change, that's about all I got left!
    http://www.wolfpointherald.com/--http://www.safety-brite.net/

  7. #31
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    I figure that if a pineapple plant has any opinion at all, it wants a large animal to come along, take the pineapple and walk off with it somewhere to eat it. Core optional. Then the top can root wherever it dropped and the plant has propagated itself. Growing sweet fruit sucks up a lot of energy and the evolutionary advantage is that something will eat the fruit and help the children spread out. I've eaten pineapple core, cut up, without any ill effect ... argghhhhh ... what's happening ... I'm melting!
    Bruce in CT

    Madness is something rare in individuals — but in groups, parties, peoples, ages it is the rule. Friedrich Nietzsche

  8. #32
    --Freedom Czar-- Fryster's Avatar
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    "The Great Pineapple Controversy of 2009"

    ahhhh, yes. I remember it well.....
    Only a moral and virtuous people are capable of freedom; the more corrupt and vicious a people becomes, the more it has need of masters. -- Benjamin Franklin

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