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What you should know about boric acid
What is boric acid and its use?
Boric
acid (H3BO3) is an
antiseptic, pesticide and a weak fungicide. It always be used for insect
control, wood preservative in furniture industry, glass industry and also in
medical field.
What is preservative?
Preservative means any
substances that, when added to food, is capable of inhibiting, retarding or
arresting the process of decomposition, fermentation or acidification of such
food but shall not include herb, spice, vinegar or wood smoke.
What are the preservative that allowed in Food Regulations 1985?
Food Regulations 1985 only
allowed certain preservatives (sulphur dioxide, benzoic acid; propionic acid,
also its sodium, potassium, calcium salt; sodium nitrate, sodium nitrite,
potassium nitrate and potassium nitrite) and antimicrobial (chlorine dioxide
and hydrogen peroxide) in certain food. Hence, boric acid is not included in
the list.
Under the Food Law, is it an offence to use boric acid in food and
what is the penalty?
Use of boric acid in food
violated Sub Section 13 (1) Food Act 1983 which stated that “Any person who
prepares or sell any food that has in or upon it any substance which is
poisonous, harmful or otherwise injurious to health commits an offence and
shall be liable, on conviction, to a fine not exceeding one hundred thousand
ringgit or to imprisonment for a term not exceeding ten years or to both”.
What are the foods that always contain boric acid?
Although boric acid is not
allowed in food, it had been found in pasta type of food such as yellow
noodles, kueh teow, laksa, loh se fun, wantan noodles, Hokkien noodles, bee
hoon, spring roll wrappers and bak chang.
The presence of boric acid in
food or food product is due to unethical
attitude of some greedy food producer without considering the safety aspect of
food to the consumer. Boric acid is used by these food producers to
extend the product shelf-life and its freshness.
What are the side effects if boric acid present in food?
Individuals who ate food that
contained high level of boric acid will experience nausea, vomiting diarrhea,
dermatitis, abnormal function of kidney, acute dysfunction of blood circulation
and death, depends to the level of boric acid absorbed by the body.
How to detect the presence of boric acid in the foods?
Analysis using turmeric water
is a crude test to detect the presence of boric acid, however the test is not a
confirmatory test. It can give a false positive result. In mee processing for
example, additional of soda water (Natrium bicarbonate) have been used to get
the expected texture. The reaction between soda water and turmeric can cause a
changing of color from yellow to red. Therefore, the presence of boric acid can
only be confirm through lab analysis.
Advise to consumers
Consumers
are advised not to use turmeric water as a test to verify the presence of boric
acid. Consumers should report to any nearest District Health Ofiice, State
Health Department or through Food Safety and Quality Division website (http://fsq.moh.gov.my)
pertaining to suspicious of boric acid presence in food.
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