Page 99. November 29, 1978 - North Shore News

after “the .release of a~
University. of Guelph report

on. the | harmful. effects of

fluorescent light’ upon milk

-and other dairy products,

many retail food outlets in

eastern. Canada continue to
-, expose the contents of their

dairy counters to light in-
tensity approaching. that of
the noon-day sun.

Dr. J.M. deMan, head of
the University’s. Food
Science | Department, has
revealed the results of a light.
meter survey of dairy display

cases of food retailers
ranging from jug_ milk stores

. to supermarkets in ‘Toronto,

Montreal, Ottawa, . Quebec
and: Halifax, at a series of
press conferences in these"
cities.

+

: “We were shocked’ by the.

light ‘intensity in
outlets,” he _ said.
location .
subjecting. milk

some
“One

in tran-

sparent plastic bags and jugs §
to 450 foot candles, more ..

than seven times ; ‘the ab-

_, solute maximum light. in- |

tensity: recommended in our.
Study.” .

a
*

The survey in Montreal .
revealed that the. light .in-|
tensity ranged from 160 to
240 foot candles, In Ottawa
stores, light. intensity ranged -
from 320 to 160 foot candles.
Quebec - City dairy cases
readings were 240. to 110.
Only in Halifax, in readings —
taken in August, has some

progress been made in.
reducing: light intensity,
deMan said. MHalifax

readings were from 130 to 55

and... generally were lower
Across the board.” —

The original University of
Guelph report showed that
milk subjected to light for 48
hours had an almost com-
plete loss of ascorbic acid in
clear plastic pouches and

returnable plastic jugs. Milk

More. than three years

the = milk,

in Toronto was'

in ‘Opaque

percent I loss.

“Just as important as the
loss . by light.

nutritional

exposure is the fact that an
oxidized

occurred in 12 hours,” he
emphasized. “Milk in
“opaque cardboard cartons
showed no
flavour change in 48 hours.”.

“Milk is. now at an

historically high price, and it .
is absolutely essential that. _
consumer be |

cardboard
‘cartons had about a three

off-flavour.
developed in the transparent
pouches and plastic jugs
within six hours, and highly .
significant flavour changes

Significant |

DEBBIE LYTTON, RONNY cox. AND ELIZABETH MONTGOMERY ae to as siar adel “AG Case of 4 Rape” “a. ato:
hour. Ww vorid Premier drama from MCA Television.

protect

losses.. and ‘flavour

deterioration,” he added: “It’

the. food — retailer’s
responsibility. to. either.

‘Grastically: curb. light: ex-
‘posure or provide. the -
consumer with light-resistant -
opaque. :
brilliance of. the light now | |
used is also a gross’ waster of 2

containers, The

our Hydro: resources.”

foe,

To insure accuracy, “two

types - of light meters. were

used in the surveys, arid food |:
outlets. were chosen. at_
random. The survey also

recorded the distance of the. —

light sources from the dairy
products they illuminated.

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Receiver - Manager

me. Gils mess

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: d
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