Sv: Olja
Okej, har jag fattat detta rätt...???
Rapsolja för industriellt bruk innehåller Eurucic acid, vilket är önskvärt ibland i industrin. Men denna typ av raps innehåller även glykosinolater (Men finns glykosinolater bara i Rapskornen eller finner man den i Rapsoljan för industriellt bruk?? Om glykosinolaterna är vattenlösliga så borde väl halten vara låg även i den industriella oljan?) Att äta är båda dessa komponenter giftiga och glykosinolater kan framkalla en icke jodberoende struma/underfunktion av sköldkörteln samt allmänt sänka prestationen hos flera djur.
Rapsolja som livsmedel ska vara "Canola oil" dvs fri från glykosinolater och innehålla mindre än 2% Eurucic acid.
Igen, har jag fattat detta rätt?? Alltså Ok att fortsätta ge "billig" rapsolja istället för dyr soya- eller majsolja??
"Brassica spp. contain various glucosinolates that can cause goiter and hypothyroidism, poor growth rates, and reproductive failure"
"Glucosinolate levels are highest in seeds of brassicas, especially of the mustards, and it is for this reason that caution should be exercised when feeding rape seed meal to animals. "
Bell JM. Nutrients and toxicants in rapeseed meal: a review. J Anim Sci 1984, 58:996-1010
"Also in the production of animals sequelae of iodine deficiency play a great part. Nitrate containing and glucosinolate containing feeding stuffs (e. g. rape extraction groats) here under the conditions of the iodine deficiency additionally develop goitrogenous effects (so-called indirect or relative iodine deficiency), which lead to decrease in vitality and clinical symptoms in the agricultural useful animals cattle, pig and sheep."
Z Gesamte Inn Med. 1986 Oct 1;41(19):524-7.
" Referring to rape, depending on the intended use, the composition of the desired oil will vary. Eurucic acid, a 22-carbon fatty acid, is desired to be present in high concentrations for industrial uses, sometimes as high as 45%, and low (less than 2%) or zero concentration for edible canola oils."
"Farmers in Canada began producing canola oil in 1968. Early canola cultivars were known as single zero cultivars because their oil contained 5 percent or less erucic acid, but glucosinolates were high. In 1974, the first licensed double zero cultivars (low erucic acid and low glucosinolates) were grown. Today all canola cultivars are double zero cultivars. Canola is an acronym for Canada Oil Low Acid. Canola has come to mean all rapeseed cultivars that produce oil with less than 2 percent erucic acid and meal with less than 30 .mu.mol/g of glucosinolates"
United States Patent Application 20020189976