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Relationships between objective evaluation value of beef carcass cross section and eating quality OAK
山口, 悠; 口田, 圭吾; KUCHIDA, Keigo.
一価不飽和脂肪酸割合などの脂肪酸組成や胸最長筋内脂肪含量などの枝肉横断面から客観的に評価可能な形質と食味との関連性を調査し,枝肉格付時に得られる客観的な指標を用いて食味の評価を検討することを目的とした.交雑種雌牛10頭の胸最長筋および僧帽筋を用い,脂肪酸組成分析および画像解析,官能評価を行った.全7セットについて10-60代男女の合計280名のパネルにより,2点嗜好法で嗜好差の採点を含む評価を行った.サンプルの組み合わせは一価不飽和脂肪酸(MUFA)割合および脂肪面積割合(MP),あらさ指数(CIM)を対象とし決定した.胸最長筋を用いたMUFA比較2セットでは,香りおよび多汁性についてMUFAの低い方が支持された(P<0.05).胸最長筋を用いたMP比較2セットにおいてはMPの高い方が有意に柔らかく,多汁性に富む(P<0.05)結果となった.胸最長筋と同一個体を用いた僧帽筋のMUFA割合比較およびMP比較では胸最長筋と同様の結果が得られた.
Palavras-chave: Eating quality; Image analysis; Marbling percent; Monounsaturated fatty acid.
Ano: 2013 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3933
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Effect of bullfrog (Rana catesbeiana) oil administered by gavage on the fatty acid composition and oxidative stress of mouse liver BJMBR
Silva,L.P.; Miyasaka,C.K.; Martins,E.F.; Leite,J.R.S.A.; Lacava,Z.G.M.; Curi,R.; Azevedo,R.B..
The aim of the present study was to investigate the effects of daily intragastric administration of bullfrog oil (oleic, linoleic and palmitoleic acid-rich oil), corresponding to 0.4% of body weight for four weeks, on fatty acid composition and oxidative stress (lipid peroxidation and catalase activity) in mouse liver. The activities of aspartate aminotransferase (AST), alkaline phosphatase (ALP), alanine aminotransferase (ALT), and gamma-glutamyltransferase (GGT), biomarkers of tissue injury, were determined in liver homogenates and serum. The proportions of 18:2n-6, 20:4n-6, 20:5n-3, and 22:6n-3 (polyunsaturated fatty acids, from 37 to 60%) in the total fatty acid content were increased in the liver of the bullfrog oil-treated group (P < 0.05)...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Bullfrog oil; Liver; TBARS; Catalase activity; Lipid peroxidation; Monounsaturated fatty acid.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2004001000007
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