著者
原馬 明子 脇中 奈津子 竹田 真実 守口 徹
出版者
日本脂質栄養学会
雑誌
脂質栄養学 (ISSN:13434594)
巻号頁・発行日
vol.26, no.2, pp.217-224, 2017 (Released:2017-09-20)
参考文献数
13

Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), found in seafood, are essential fatty acids and therefore must be obtained from the diet. Traditionally, Japanese cuisine is centered around fish as the main ingredient. However, in recent years, a social problem has arisen wherein members of both the younger and the older generations eat progressively less fish. Canned fish is an easy-to-prepare fish food, but because vegetable oil is added to the can, it is important to investigate whether canned fish is an appropriate source of n-3 fatty acids. In this study, we divided canned tuna products by fish and oil type and analyzed fatty acid content in the fish part and the oil part to simulate an ordinary serving. From the 300 top-selling tuna can products, we selected 3 different types of tuna (bluefin tuna, yellowfin tuna, and albacore tuna) packed in soybean oil, as well as albacore tuna packed in 4 types of oil (soy, cottonseed, olive, and safflower oils). Furthermore, cans of the 3 types of tuna packed in water were used as controls. The findings revealed that tuna in water contained a suitable amount of n-6/n-3, but a low amount of EPA+DHA. Among tunas in oil, albacore tuna had the higher level of EPA+DHA, and added olive oil contained the lower amount of n-6/n-3. Our finding showed that n-3 fatty acid content in tuna varies widely depending on the added oil, and that the EPA+DHA level of canned tuna is low. Therefore, it is not so appropriate the canned tuna as a source of omega-3 fatty acids.

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Yahoo!知恵袋 (1 users, 1 posts)

市販ツナ缶はオメガ3脂肪酸の有用な摂取源にならないという論文もありますので、エゴマ油はいかがですか? https://www.jstage.jst.go.jp/article/jln/26/2/26_217/_article/-char...

Twitter (6 users, 6 posts, 6 favorites)

残念ながら…… 市販ツナ缶は有用なオメガ3系脂肪酸源にはならない https://t.co/T9Tpjvyv2B
https://t.co/aWdmctkE3y この記事の中で”EPAとビタミンEが豊富なツナ缶”と紹介していますが、ツナ缶はEPA摂取には不向きです。 下記論文に詳しく記載されていますので、参考にしてください。 市販ツナ缶は有用… https://t.co/Aqxm5yxAz5
さっきテレビでツナ缶の油にEPAとDHAが含まれているから油も食べるべきやって放送してたけど、流石にサラダ油まみれのツナ食べたくないし、含まれてるEPAとDHAの量も多いとは思えん。 俺はツナ缶の油は食べる"べき"ではないと思う… https://t.co/8Iv2R7Ahl0
脂質栄養学雑誌の更新情報 市販ツナ缶は有用なオメガ3系脂肪酸源にはならない:原馬 明子, 脇中 奈津子, 竹田 真実, 守口 徹 https://t.co/0dulmnIWNY #栄養学雑誌 #脂質栄養学雑誌

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