杜仲对异育银鲫肌肉品质和血清SOD、溶菌酶活性的影响

在基础饲料(对照组)中分别添加1%杜仲皮、杜仲叶、杜仲汁饲喂异育银鲫(115.8±5.0 g)60 d,考察对其肉质及免疫功能的影响。结果表明:(1)对照组、杜仲皮组、杜仲叶组、杜仲汁组肌肉失水率分别为25.17%、21.77%、26.57%、17.80%,肌原纤维长度(反映肌纤维耐折力)分别为28.81 mm、36.57 mm、34.22 mm、30.76 mm,羟脯氨酸含量分别为0.132 mg/g、0.222 mg/g、0.168 mg/g、0.185 mg/g,其中添加1%杜仲皮、杜仲汁可极显著降低肌肉失水率(p<0.01),提高羟脯氨酸含量(p<0.05)。添加1%杜仲皮、杜仲叶可使肌纤维耐折力显著增加(p<0.05);(2)免疫性能方面,添加杜仲叶、杜仲汁可提高血清SOD 30.9%、28.2%(p<0.05),但对溶菌酶活性无影响。上述研究表明,杜仲具有改善异育银鲫肌肉品质和提高血清SOD的作用。

Effect of Eucommia Ulmoides Oliver on Meat Quality and Activities of SOD and Lysozyme to Allogyogenetics Silver Crucian Carp

An experiment was conducted to investigated the effect of adding Eucommia ulmoides Oliver on meat quality and non-specific immune function of allogyogenetics silver crucian carp.The fishes with body weight of 115.8±5g were fed with basal diet without(control group) or with adding 1% skin powder,leaves powder and skin extract for 60 days.Results showed that(1) The water loss rate and the myofibrillae lengthes of the four groups were 25.17%、21.77%、26.57%、17.80% and 28.81 mm、36.57 mm、34.22 mm、30.76 mm respectively.The hydroxyproline were 0.132 mg/g、0.222 mg/g、0.168 mg/g、0.185 mg/g.The water loss rate and the hydroxyproline were significantly improved by adding 1% skin powder and skin extract,the myofibrillae lengthes were significantly improved by adding 1% skin powder and leaves powder.(2) About non-specific immune index,serum SOD activities were significantly improved by adding leaves powder and skin extract,but lysozyme activities were not affected.Results above showed that,meat quality and serum SOD of allogyogenetics silver crucian carp could be improved by adding Eucommia ulmoides in diets.