Text 32910, 103 rader
Skriven 2009-12-30 14:07:42 av Michael Loo (1:18/200)
     Kommentar till en text av Sean Dennis
Ärende: Mutations 601
=====================
 ML> Hard to say who's the mutation and who's the unmutated.
 SD> I was told it's mostly Asian countries that have the "regular" gene
 SD> and mainly Americans and certain Europeans that have the "mutated"
 SD> gene.

Not that it matters. Here's the result of my current reading.
Some LI people have a mutation that prevents them from digesting
milk from birth. This is kind of rare, as it really conveys a
survival disadvantage. Most people have the capability, via an
enzyme generated in the gut. When I was younger, the word was
that the intestinal flora provided this enzyme, but then I
suggested that the cure for LI would be recolonization with the
bacteria, which turned out not to work. Others must have thought
along these lines as well, so more research was done and it was
determined that the enzyme is made by our own cells. In the normal
scheme of things, this capability is lost between weaning and
adolescence, but among the groups you note, there is (you are
right) a mutation that allows it to persist. Wikipedia claims that
my kind of LI is environmentally induced, which I think is dubious.

 SD> It seems that way.  As I told Dirty Dave, I have a couple of weird,
 SD> but livable, side effects depending on the amount.  A glass of milk is
 SD> okay, but ice cream causes me to be partially deaf for a few hours.

A combination of protein and sugar? And what about ice-cream-like
things that aren't ice cream? I'd be curious about the comparative
effects of ice cream, melted ice cream, sherbet, milk shakes, etc.
and so on down the line.

 SD> Here's something that might make you go "hmm" - I'm allergic to the
 SD> mold that is naturally in wheat even after it's been processed.

That's pretty tough, as mold is hard to avoid - the spores are
all over the place. Cheeses. Many baked things, especially if
improperly stored. Also, you probably have to be really careful
about what antibiotics you can take. 

 SD> She says that she's been taking more fiber and
 SD> while she's not sure if there's a direct correlation, it seems to help
 SD> with the lactose intolerance side effects (she laughed and says, "I'll
 SD> be polite!"). 

I'll guess that the fiber either is a diluent or pushes the
milk products down quicker so that there's less time for
fermentation, or both.

 SD> I thought fluid in the lungs could be caused by salt intake?

As I take less salt than the general population and tend to balance
it with KCl supplementation, that's not an issue with me. Here, it
seems completely related to the LVF (very inconvenient, very bad,
debilitating, but probably not in and of itself life-threatening).

MMMMM----- Recipe via Meal-Master (tm) v7.07

      Title: Grandma's Vanilla Ice Cream (And Several Flavor Variations)
 Categories: Desserts, Ice cream
   Servings:  1

  1 1/2 c  Milk
      2    Eggs, or 3 egg yolks,
           -slightly beaten
    3/4 c  Granulated sugar
      2 tb Flour
  1 1/2 ts Vanilla extract
      1 ds Salt
  1 1/2 c  Heavy cream

  In double boiler, scald milk. Mix next 3 ingredients stir in enough milk to
  make smooth paste. Stir into rest of milk in double boiler. Stir until
  thickened, cover; cook 10 min. Beat eggs slightly- stir in milk mixture;
  return to double boiler, cook 1 min. Cool. Add vanilla and cream. Freeze in
  2 qt. crank freezer until difficult to turn, using 8 parts crushed ice to 1
  part ice-cream salt. Makes 1 1/4 qt.

  CHOCOLATE: Put 2 sq. (2 oz.) unsweetened chocolate in milk before scalding.
  When chocolate is melted, beat till smooth with egg beater.

  COFFEE: Substitute 3/4 cup cold strong black-coffee beverage for 3/4 cup
  milk.

  PEACH: Just before freezing, add 1 1/2 cups sieved fresh peaches combined
  with 1/4 cup additional granulated sugar (or enough to sweeten) and few
  drops almond extract.

  PINEAPPLE: Substitute 1 tablesp. fresh, frozen, or canned lemon juice for
  vanilla. Just before freezing, add 2 cups well-drained canned crushed
  pineapple.

  RASPBERRY: Just before freezing, add 1 1/2 cups crushed raspberries mixed
  with about 1/4 cup additional granulated sugar and few drops almond
  extract.

  BUTTER PECAN: In 1/4 cup butter, margarine, or salad oil in skillet, saute
  1 cup broken pecan meats until golden. Add, with 1/4 teasp. salt, to cooked
  milk mixture.

  Notes: From Ruby Williams' file

MMMMM
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