乌珠穆沁羊不同部位肌肉脂肪酸含量比较研究
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摘要
本实验利用气相色谱质谱(GC-MS)技术对相同饲喂条件、体重相近的3只8月龄乌珠穆沁羊背最长肌与前腿肌肉中脂肪酸的含量进行研究。结果表明:在乌珠穆沁羊背最长肌与前腿肌肉中检测出36种脂肪酸,前腿肌肉的脂肪酸总含量高于背最长肌;月桂酸(C12:0)、豆蔻酸(C14:0)、软脂酸(C16:0)、硬脂酸(C18:0)等饱和脂肪酸含量较高;十五碳烯酸甲酯(C15:1)、十七碳烯酸甲酯(C17:1)、油酸(C18:1c9)、亚油酸(C18:2c6)、亚麻酸(C18:3n3)等不饱和脂肪酸含量较高;中链脂肪酸含量约占总量的8%左右;且前腿肌肉C20:3n3含量显著高于背最长肌(P<0.05)。由上推断:8月龄乌珠穆沁羊前腿肌肉的营养价值高于背最长肌。
引文
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[2]苗海明,高爱武,杨金丽,等.动物肌内脂肪沉积对肉嫩度影响的研究进展[J].中国农学通报,2012(11):51-54.
[3]徐秋良,吴运香,张长兴,等.畜禽肉嫩度及其影响因素[J].家畜生态学报,2010(6):100-103.
[4]张冬梅,梁图雅,格日勒图.乌珠穆沁羊骨骼肌中脂肪酸的组成与相关基因表达量分析[J].中国食品学报,2017(6):219-224.
[5]朱碧英,管昀春,陈全震.鱼油脂肪酸组成及其含量分析[J].东海海洋,1999(2):60.
[6]姜朝晖,黎介寿.中链脂肪酸代谢及其临床意义[J].肠外与肠内营养,1995,2(2):134-138.
[7]张月红,刘英华,王觐.中长链脂肪酸食用油降低超重高甘油三酯患者血脂和低密度脂蛋白胆固醇水平的研究[J].中国食品学报,2010(2):20-27.
[8]张明,陈华国,周欣.正己烷提取刺梨籽油中脂肪酸成分的GC-MS分析[J].贵州师范大学学报:自然科学版,2012(6):109-112.
[9]Xue C,Liu Y,Wang J,et al.Chinese hypertriglycerideamic subjects of different ages responded differently to consuming oil w it h med iu m-a nd long-chai n fat t y acid s[J].Biosci Biotechnol Biochem,2009,73(8):1711-1717.
[10]Nosaka N,Maki H,Suzuki Y,et al.Effects of margarine containing medium-chain triacylglycerols on body fat reduction in Humans[J].Atheroscler Thromb,2003,10(5):290-298.
[11]Kasai M,Nosaka N,Maki H,et al.Effect of dietary mediumand long-chain triacylglycerols(CT)on accumulation of body fat in healthy humans Asia Pac[J].Clin Nutr,2003,12:151-160.
[12]Tsuji H,Kasai M,Takeuchi H,et al.Dietary medium-chain t r iacylglycerols suppress accumulation of body fat in a double-blind,controlled trial in healthy men and women[J].Nutr,2001,131:2853-2859.
[13]赵晓,张永,张新胜.中链脂肪酸对肥胖C57BL/6J小鼠小肠TLR4传导通路分子表达的影响[J].实用预防医学,2017(8):916-918.