Vinegar: condiment, cleaner - or essence of life?

For most people, that bottle of vinegar sitting onIn humans and animals, functioning of the Krebs
the pantry shelf serves a multitude of purposes.cycle relies on a product produced in our system
Not only is it a condiment, food preservative, andcalled Acetyl Coenzyme A created during the
a general household cleaner, but for many, it’ssynthesis of fatty acids.  
a medicinal wonder. Most often, it’s taken forAnother acetate-based enzyme called Acetyl
granted, and people only see a bottle of vinegar.Cholinesterase/AchE is integral to the operation of
However, to scientists studying the origins of lifebrain functions and the central nervous
on Earth, acetic acid/vinegar, is thought to havesystem.  
played the key role in biochemical development ofIn fact, there are a number of acetyl-based
the first primitive life forms, and without it, life, asenzymes that are essential to human/animal life
we know it would not exist. down to the chemical composition of genes.
Historical documentation of vinegar’s use forCuriously, when it comes to explaining where the
dye making, medicinal purposes, invigorating tonics,acetate comes from to feed the processes,
a condiment, and as a food preservative datesscientists’ explanations seem to be somewhat
back to the earliest known records.  vague, convoluted, and often, contradictory.
Natural vinegar is produced by the secondaryHowever, aside from the metabolic production of
fermentation of the alcohol in wine and is a threeacetate by organ functions, large amounts of
to five percent solution of acetic acid in water.acetic acid is produced by acetobacter in the
Acetic acid is what gives vinegar its distinctiveintestines which is absorbed into the system; and
biting taste and aroma. It was probably the firstit would logically appear that that process provides
commercially produced acid in the world.  most of the acetate needed.
Acetic acid in fundamental to our existence, notIn a 1985 study published in the Journal of Clinical
only from a essential biological standpoint, but alsoInvestigation, Carbohydrate fermentation in the
in the production of chemicals, light industry,human colon and its relation to acetate
textiles, pharmaceuticals, printing/dyeing, rubber,concentrations in venous blood, the authors’
pesticides, plastics, photographic chemicals,state: "These studies show that the large intestine
electronics, and food processing to name amakes an important contribution to blood acetate
few.  levels in man and that fermentation may influence
In nature, a family of bacteria called acetobactermetabolic processes well beyond the wall of this
converts alcohol into acetic acid, and they are theorgan."
single largest producer of acetic acid to keepSeveral studies suggest that there may be such a
Earth's the life machine running. thing as an acetate deficiency, and acetate
The microscopic, acid resistant critters aresupplementation may be useful in the treatment
pervasive in the environment. They thrive in theof Canavan disease, a hereditary,
alcoholic ecological niches of flowers, fruits, water,neurodegenerative disorder.
soil, and in a dormant stage, they’re evenIn folk medicine, apple cider vinegar is touted as a
floating around in the air we breathe. Acetobactercure for many health problems such as a host of
also thrive in the intestines of all living creaturesallergies, sinus infections, acne, high cholesterol, flu,
where they are essential to the digestive processchronic fatigue, candida, acid reflux, sore throats,
and most likely, the major suppliers of acetate tocontact dermatitis, arthritis, and gout.   While
keep our system functioning.apple cider vinegar is the traditional choice, the
According to the widely acceptedonly ingredient of any volume that may have an
Wächtershäuser's theory on how primitive lifeeffect at the dosage recommended (one –
forms evolved from the primordial soup, the firsttwo tablespoons a day) is acetic acid.
organic molecule in the chain of events was aceticAs far as cider vinegar’s effectiveness for
acid. He based his theory on the fact that thealleviating gout and arthritis symptoms, the
formation of acetic acid is a primary step inanecdotal (testimonial) evidence is overwhelming.
metabolism in most all living things that providesAnd some studies give credence to the claim;
the energy cells use to manufacture all thehowever, they all point to the acetic acid content.
biological ingredients an organism needs to exist.The interesting aspect of the cider vinegar is that
There is a metabolic activity essential to life calledunlike the parent apple for which, possibly, is the
acetylation, and among many other roles themost well researched fruit, there is no research
process has in the body, it also plays the key roleto be about cider vinegar or even plain of vinegar
in the repair of DNA. A study published in theas having any health benefits.
2000 Elsevier publication Cell about DNA repairTo an investigative writer, in light of all the
states: “Data show that cells defective forabundant health claims made for cider vinegar, the
DNA-break repair capability lack the histonepaucity of research, especially to disprove the
acetylase [acetylation] activity leading to apoptoticclaims, evokes a great deal of suspicion – the
machinery breakdown.” unmistakable aroma of a rat rotting somewhere
Acetate hemodialysis is a common therapy forin the woodwork. It's most unusual not to see
people suffering with kidney failure. In severalvolumes of scientific studies into a product that is
studies, aside from acetate’s buffering effect,so entrenched in folk medicine.
it has shown to aid in dialysis by dilating veins,Both the parochial scientists and naturopaths fail
thus increasing the effectiveness of theto see the possibility of acetate deficiencies.
treatment. One 1987 study on stated:Maybe, it’s simply a question of ‘not
“Acetate provoked vascular dilatation, whichseeing the forest for the for the [apple]
was compensated for by a heart rate-dependenttrees.’ However, the role of acetate in animal
increase in cardiac index.” health has been well researched in animal
Acetic acid is fundamental to the biochemistry ofhusbandry, and farm animal feedstock is routinely
almost all forms of life. It’s the foundation forsupplemented with either vinegar or acetic acid.
the acetyl/acetate group which is a plays theHowever, when realizing that primordial formation
essential in the Krebs Cycle/Citric Acid cycle. Theof acetic acid is postulated to be responsible for
Krebs Cycle occurs in all plants and animals. Thethe creation of the first life on earth, and the
importance of the function lies in the efficiencyessential function acetate plays in biochemistry,
with which it captures energy released fromthere has to be something special about vinegar.
nutrient molecules and stores it in a usable form.