Irradiation as a Preservative: Is It Safe

After many long years of research into thefacilitating the shipment of food products into
safety and feasibility of food irradiation, it is aCanada. But only certain foods are permitted by
preservation method whose "time may haveHealth Canada to be irradiated, namely: potatoes,
come." The method is comparable to traditionalonions, wheat flour, whole wheat flour, whole or
food preservation methods such as canning,ground spices and seasonings.
freezing and fumigation, albeit with somePublic acceptance lags behind
advantages. Food irradiation can be made safeIn many countries the public remains skeptical of
and effective by carefully controlling the radiationfood irradiation, often because of a poor
dose. Both Canada and the U.S. have establishedunderstanding of its value in providing a safe food
strict regulations for all aspects of food irradiationsupply, relative to other processing methods. In a
- from the design of irradiation facilities to thesimilar fashion, when milk pasteurization was first
type and source of radiation and the dosage usedintroduced, many consumers vehemently
- to ensure that foods preserved by irradiationobjected thinking that its goodness "would be
remain wholesome and safe to eat. Irradiateddestroyed by heating." Yet food irradiation is
foods offered for sale must be labeled accordingdesigned to erradicate microbes and
to the Canadian Food and Drug Act, and arefood-poisoning organisms that contaminate many
allowed only a specified radiation dose.foods and endanger those who eat them. The
How is food irradiation done?World Health Organization (WHO) calls food
The food to be irradiated is exposed toirradiation "a sound food processing technology
eletromagnetic energy from radioactive cobalt-60.which offers consumers food products with an
The gamma-rays emitted by cobalt-60 areadded margin of safety."
absorbed by the food, effectively destroyingAnti-nuclear activists in the U.S. have caused much
microorganisms, killing insects and hinderingupheaval and delayed the opening of a food
sprouting. In practice, a conveyor system movesirradiation plant in Florida, with sensational and
the food to be irradiated through a chamberadverse press coverage. Many news reports
containing the radiation source. The amount ofchoose to ignore the full weight of scientific
ionizing energy absorbed by any particular foodevidence in support of food irradiation, impeding
depends on its distance from the source and therather than advancing progress in food safety.
time of exposure and is carefully controlled soThere remains a large body of expert opinion,
that food remains wholesome, with no changes toincluding scientific evidence, which maintains that
its taste, colour or appearance.irradiation is harmful because it not only removes
Some benefits of food irradiationthe harmful organisms but the beneficial
Radiation can considerably extend the shelf life oforganisms as well, and may in fact destroy some
foods by reducing or killing spoilageof the nutritional values of the foods thus
microorganisms - such as bacteria, molds andirradiated. While I maintain the position that the
fungi. For instance, irradiation destroysanti-nuclear activists are 100% dead wrong in their
microorganisms such as Salmonella and“actions”, their “opinion” is 100%
Campylobacter particularly rampant in meat,“right on” — in my opinion, after
poultry and seafood. It also kills insects in grainscarefully considering all the evidence pro and con,
and spices, and hinders the undesirable sproutingmy personal opinion is: irradiation, at this stage of
of vegetables such as potatoes, onions and garlicdevelopment, is not safe, nor is it safe to
lengthening their use for public consumption. But,consume foods which have been irradiated as a
while irradiation destroys microorganisms, it doespreservation method.
not usually destroy bacterial spores (for instanceIn fact, our bodies require many of the
botulinum spores). Therefore, proper food handlingmicro-organisms which are killed via irradiation just
guidelines remain mandatory.in order to digest and absorb the nutritional values
One distinct advantage of food irradiation overof foods which are irradiated. I recommend that,
more traditional methods of food processing is aif your diet consists of any amount of irradiated
longer shelf life for fresh foods, allowing widerfoods, you research “Greens” products in
distribution of high-quality, nondecaying fruits andgeneral and that you seriously consider adding a
vegetables. For example, irradiation can prolong“Greens” product to your daily diet. I
the shelf life of strawbernes for up to 15 days. Itrecommend the newest, and only 100%
can also extend the shelf life of various frozenvegetarian, native and natural greens product on
foods. Given the current ban on severalthe market today -- Bio88+ -- which is found
health-damaging chemical fumigants, insecticideshere.
and fungicides, irradiation is a useful method for