boric acid Re: About Yeast

January 6, 2008

cacid_borates_borax.htm

> EPA considers boric acid as a moderately acutely toxic due to acute

> effects including oral and dermal toxicity, and eye and skin

> irritation. EPA’s reregistration document states that a subchronic

> borax feeding study using dogs resulted in blood and metabolism

> disorders as well as effects to the testes, endocrine system, brain

> weight, and size ratios among various organs and glands. In chronic

> oncogenicity studies using mice, rats and beagle dogs, boric acid and

> borax were found not to be carcinogenic; however, testicular effects

> and decreases in body weight resulted at high dose levels. EPA has

> classified boric acid as a “Group E” carcinogen, indicating that it

> shows “evidence of noncarcinogenicity” for humans. In reproductive and

> developmental toxicity studies using rats, mice and rabbits, maternal

> liver and kidney effects and decreased weight gain as well as

> decreased fetal body weights were observed. In two studies, at the

> highest dose levels, no litters were produced. Prenatal mortality

> occurred at the highest dose levels in the rabbit study. Boric acid

> does not cause mutagenicity (U.S. EPA 1993).

> Boric acid is a Borate compound. Report a Poisoning

> Symptoms of Poisoning with Borate Compounds Find Products Containing

> this Chemical

>

> - Irritation of skin and respiratory tract.

> - The gastrointestinal tract , skin vascular system and brain are the

> principal organs and tissues affected.

> - Nausea, persistent vomiting, abdominal pain, and diarrhea.

> - Lethargy and headache may occur but are less frequent.

> - In severe poisonings, a beefy red skin rash affecting palms, soles,

> buttocks and scrotum has been described. With severe poisoning,

> erythematous and exfoliative rash, unconsciousness, respiratory

> depression, and renal failure.

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