Koizumi I, Suzuki Y, Kaneko J J
Department of Biochemistry, School of Veterinary Medicine, Azabu University, Sagamihara, Kanagawa, Japan.
J Nutr Sci Vitaminol (Tokyo). 1991 Dec;37(6):545-54. doi: 10.3177/jnsv.37.545.
The fatty acid composition of the intramuscular lipids of cattle, pigs and birds were determined relative to breed and feeding regime. The cattle included Yellow Cattle, Hereford and Japanese Black; pigs included Wild-boar, Touyuens and Yorkshires; the birds were Wild-birds, Jungle-fowl and broilers. The pen fed animals such as Japanese Black cattle and Yorkshire pigs had a higher amounts of oleic acid, palmitic acid and palmitoleic acid. On the other hand, wild or pasture fed animals such as the Herefords, Wild-boars and Touyuens had higher amounts of omega-3 fatty acids such as alpha-linolenic acid, icosapentaenoic acid and omega-6 fatty acids such as linoleic acid and arachidonic acid. Among Wild-fowl, open-yard fed birds or broilers, there was no difference in fatty acid composition. It is suggested the meat of pasture fed or wild fed animals such as Herefords, Yellow Cattle and Wild-boar is better for health than meat from pen fed animals.
对牛、猪和禽类肌肉脂质的脂肪酸组成按品种和饲养方式进行了测定。牛包括黄牛、赫里福德牛和日本黑牛；猪包括野猪、土元猪和约克夏猪；禽类为野鸟、原鸡和肉鸡。圈养的动物，如日本黑牛和约克夏猪，油酸、棕榈酸和棕榈油酸含量较高。另一方面，野生或牧场饲养的动物，如赫里福德牛、野猪和土元猪，α-亚麻酸、二十碳五烯酸等ω-3脂肪酸以及亚油酸和花生四烯酸等ω-6脂肪酸含量较高。在野禽、开放式饲养的禽类或肉鸡中，脂肪酸组成没有差异。有人认为，牧场饲养或野生饲养的动物，如赫里福德牛、黄牛和野猪的肉，比圈养动物的肉更有益于健康。
