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Lethbridge Herald Newspaper Archives

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The Lethbridge Herald (Newspaper) - January 22, 1974, Lethbridge, Alberta 14-THE LETHBRIDQE HERALD Tuesday, January 22, 1974 Rapeseed study leaves ill unsolved DERME MACHINE SHOP A COMPLETE AUTOMOTIVE GENERAL MACHINE SHOP SERVICE 327-O82IJ He STREET MOUTH EDMONTON (CP) A recent scientific study in- dicates that the switch to low-erucic acid varities of rapeseed has not eliminated the heart prob- lems previously associated only with the high-erucic acid varities. The findings, published by a group of six Canadian scientists in the Journal of Nutrition's December issue, indicate the same heart problems have appeared in rats during laboratory tests feeding them diets containing both low-and high-acide con- tents. If the findings are sub- sequently corroborated, it means that the millions of dollars spent by the rapeseed industry during the last three years in a crash program to switch to "ANIMAL CLINIC" STOCKYARDS LETHBRIDGE Phone Daily 8 a.m. to 10 a.m. 327-8822 MAINE ANJOU SIMMENTAL CovirroW Sotd Semen Available from all Breeds low-erucic varieties has been wasted. At the same time, it means there may be some other un- the oilseed that is causing the cardiac problem. The paper, submitted to the U.S. publication last June, is credited to: J.K.G. Kramer, S. Mahadevan, J.R. Hunt and F.D. Saur, all of the Federal Animal Research Centre at Ot- tawa, and A.H. Corner and K.M. Charlton of the agriculture department's animal pathology division at Hull, Quebec. They used regular rapeseed oil containing 22.3 per cent of erucic acid and the new low erucic with a 1.6- per-cent content and span with a 4.3-per-cent the tests. REACTION IN FEMALES In male rats at the end of a 16-week period there was no difference in the number of heart lesions among those fed both high- and low-erucic acid diets However, after the same test period, two of 10 female rats had heart lesions among those fed the oro oil, the lowest in acid content, while there were none among the ones fed span and regular rapeseed oil. The findings appear to mean there is some compo- nent in the oil that affects heart muscles, but it is not the erucic acid. The research scientists said that the hearts of the rats showed evidence of cell death in the muscle fibres of the heart in addi- tion to scar tissue after a 16-week test period. The information follows the crash program three years ago which saw plant scientists evolve new low- erucic acid varities after concern was voiced about possible heart damage bas- ed on the research of Eu- ropean scientists on the regular varieties of rapeseed then used by Canada's producers. Late in 1972, sources said federal health department tests on the new varieties indicated the problem had not been solved, and the federal government be- came concerned. Rapeseed oil emerged in the Second World War as a marine lubricant and now is widely used in margarine and as a cook- ing oil. Check List for 1974 Office Needsl D Staples D Paper Clips O Bull Dog Clips D Clip Boards D Arch File Boards D Steno Note Book D Speedy Memos D Garage Work Orders D Continuous Forms O Continuous Forms Machines D Statements D Sheet Protectors D Figuring Pads D Asso Fasteners D Acco Binders D Data Processing Binders D Brief Cases D Underarm Carrying Cases D Attache Cases D Rotary Files D Receipt Books D Loose Leaf Binders O 2 Hole Punches D 3 Hole Punches D Desk Blotter Sets D Letter Trays D Desk Organizers D Posting Trays D Waste Baskets D Filing Cabinets D Insulated Filing Cabinets D Vertical Guides O Hanging Files D Floor Safes n Typing Stands P Wall Safes D Steno Desks Q Executive Desks a Chair Mats D Typewriters Portable Standard n Typewriters Portable Electric D Electric Calculators D Steno Chairs D Executive Chans Q Stacking Chairs D Reception Chairs Q Pencils n Pencil Sharpeners D Ball Pens D Felt Pens D Ledger Sheets D Ledger Binders D Ledger Indexes D Columnar Pads D Columnar Sheets D Columnar Books D Post Binders D Time Books D Payroll Books D Inventory Pads D Transfer Cases P Brndmg Cases n File Folders D Business Envelopes D Adding Machine Rolls D Adding Machine Ribbon D Typewriter Ribbon D Telex Paper D Card Cabinets D Index Cards D Index Guides n 1974 Calendar Refills D 1974 Diaries D Desk List Finders and Refills D Papper Cutters D Postal Scales D Bond Paper D Onionskin Paper D Canary Second Sheet Paper D Duplicating Paper D Duplicating Stencils D Duplicating Fluid D Mimeograph Paper D Mimeo Ink O Mimeo Stencils D Copysette D Typewriter Carbon Paper D Pencil Carbon Paper D Carbon Rolls D Typing Erasers D Correction Fluid D Correction Tape D Scotch Tape D Rubber Bands D Staplers Phone our orde.- desk or have one of our salesmen call! CHINOOK STATIONERS LTD. Early last year Health Minister Lalonde establish- ed what he called an "ex- pert committee" to study fatty acids. Mr. Lalonde, in a June 28 news release last year, an- nounced that the use of erucic acid would be restricted to five per cent of the total fatty acids used in any food product. That restriction became effec- tive Dec. 1, 1973. Even this amount was higher than the three-per- cent total recommended by the expert committee. The committee, in its report last March, said there was little evidence available on the effects of oils containing fatty acids in humans. "At the present time there is no specific evidence to indicate any toxic effects of these oils in the committee said. Wo evidence9 of human hurt9 SASKATOON (CP) James McAnsh of Van- couver, president of the Rapeseed Association of Canada, said this week there is no new evidence that links rapeseed oil to heart disease in humans. Mr. McAnsh was com- menting on a study that showed no reduction in car- diac problems in rats fed rapeseed with both high- and low-erucic acid content, Three years ago, studies showed high-erucic acid content rapeseed affected the hearts of rats in laboratory tests and the rapeseed industry started a crash program to switch to low-erucic varieties at a tremendous cost. Mr. McAnsh said there is "no new or more conclusive evidence" that the acid content has any effect on humans. "I don't give a dman what it does to rats, there's no evidence it does anything to humans." He' said there has to be some change in the research which up to now has only used rats. "There is even a difference in the effect between female and male rats and there has been no research using primates as test animals." He said the industry does not need another situation like the one that developed three years ago when concern about the effect of erucic acid on the hearts of rats led to the crash program. "And I don't subscribe to the theory the changeover to the low content varities has been in vain." Mr. McAnsh said that a great amount of rapeseed oil is used in Poland, a country that has a low in- cidence of heart disease among humans. Experiment in kitchen Agriculture Canada's home economists are developing new ways of us- ing foods for low-cost main dishes and better and more economical ways of preparing food generally. They're also checking cooking loss in bacon and sausages, and examining meat products to make sure labels accurately represent package contents. CHEESE Practically all Cheddar cheese sold at the retail level is of Canada First Grade quality and is carefully selected for retail use. W-SYSTON 15% Granular Controls all aphids, including strains resistant to chlorinated hydrocarbon insecticides. Long-lasting control up to 6 to 8 weeks after application. No protection gaps Protection starts the instant plants emerge. More natural insect control Insecticide inside the plant can't destroy beneficial insect populations when applied as directed For clean, healthy potatoes, give aphids and leafhoppers a smack in their suckers the instant they sit down to dinner. Apply DI-SYSTON 15% Granular as you plant Your dealer has it now to you and nature CHEMAGRO LIMITED 77 City Centre Drive Mississauga Ontario 31 9 7th Street South If Service Counts Phone Count on us' DAVIS ENTERPRISES (ALBERTA) LTD. Pay tlw HlghMt PrtCM tor HIDES-SCRAP METAL-CAST IRON-BATTERIES ALBERTA STEEL PRODUCTS Division of Enterprise: Lid. Daalart In Now Structural Stool, and PFpM (Wholooalo Prtcot) Both Bwinootot Located at 1SOS 2nd Ave. S., Lothbridgo Phono 327-4035 or 327-0261 or ;