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Fatty acids profile of breast and thigh muscles of broiler chickens fed diets with propolis and probiotics

机译：肉鸡鸡的脂肪酸曲线患有蜂胶和益生菌喂养饮食的乳腺和大腿肌肉

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The aim of the study was to assess the effect of supplying propolis extract separately and propolis extract together with probiotics based on Lactobacillus fermentum on fatty acids (FA) composition of the most valuable parts of chicken carcass. Diets enriched with 400 mg propolis extract per 1 kg of feed mixture and 400 mg propolis extract per 1 kg of feed mixture plus 3.3 g probiotic preparation added to drinking water (E1 and E2 groups, respectively) were given to broiler chickens throughout a 42-d growth period. After slaughter, the FA profiles of breast and thigh samples were determined. Both supplemented diets decreased the total amount of saturated FA (SFA), mainly because of the myristic (C14:0) and stearic (C18:0) acid contents in both breast and thigh muscles. However, a significant decrease (P ≤ 0.05) in SFA was confirmed only in thigh muscle. Supplementation with propolis together with probiotics (E2) significantly increased (P ≤ 0.05) monounsaturated FA (MUFA) contents in breast muscle. Particularly oleic acid (C18:1 cis) contributed to an overall increase in MUFA. A rise (P ≤ 0.05) in polyunsaturated FA (PUFA) in breast muscle was, however, associated with the dietary supplementation of propolis extract separately (E1). A similar trend (P  0.05) for MUFA and PUFA levels was also observed in thigh muscle. Of all PUFAs detected in breast and thigh muscles, linoleic acid (C18:2 cis) was found at the highest levels. Its levels varied from 11.34 to 12.02 g*100 g-1 and from 11.05 to 11.82 g*100 g-1 in breast and thigh muscles, respectively. The highest level (P ≤ 0.05) of linoleic acid was observed in group E1. Comparing breast with thigh muscle, the breast was demonstrated to contain more SFA and PUFA, but less MUFA proportions. Although the n-3 PUFA:n-6 PUFA ratio was similar among the treatments in both breast and thigh muscles, n-6 PUFA:n-3 PUFA ratio has been showed to be a significantly lower (P ≤ 0.05) in thigh muscle, with the lowest ratio found in E2 group. Differences in n-6 PUFA:n-3 PUFA ratio in breast were, however, not significant (P  0.05) between the treatments. On the whole, the present study indicated that propolis applied through the feed either separately or together with probiotics applied through the water had favourable effect on fatty acids profile in the most valuable parts of chicken carcass and could be thus added to diets for broiler chickens.
机译：该研究的目的是评估供给蜂胶提取分别和蜂胶与基于脂肪酸（FA）鸡屠体的最有价值的部分的组合物的发酵乳杆菌的益生菌一起提取的效果。用400毫克蜂胶提取物每1kg饲料混合物和每1kg进料混合物的加添加进饮用水3.3克益生菌制备400毫克蜂胶提取物富集的饮食（E1和E2组，分别地）分别给予肉用仔鸡整个42- d生长期。屠宰后，英足总乳房的轮廓和确定大腿样品。两个补充饮食饱和FA（SFA）的总量降低，因为肉豆蔻（C14：0）的主要和硬脂酸（C18：0）在两个乳房酸含量和大腿肌肉。然而，在一个SFA减少显著（P≤0.05）被证实仅在大腿肌肉。补充蜂胶益生菌（E2）显著增加（P≤0.05）一起在胸肌单不饱和FA（MUFA）内容。特别油酸（C18：1个顺式）有助于在MUFA的整体增加。胸肌的上升（P≤0.05）多不饱和FA（PUFA）中的溶液，但是，与蜂胶的膳食补充相关联的提取物单独（E1）。为MUFA和PUFA水平到相似的趋势（P0.05）大腿肌肉中也观察到。在乳腺癌中检测到的所有PUFA和大腿肌肉的，亚油酸（C18：2个顺式）在最高级别被发现。其水平改变从11.34到12.02克* 100 G-1和从11.05到11.82克* 100 G-1在乳腺癌和大腿肌肉，分别。在E1组中观察到的亚油酸的最高水平（P≤0.05）。与大腿肌肉比较乳房，乳房被证明含有更多的SFA和PUFA，但较少单不饱和脂肪酸的比例。尽管在n-3 PUFA：N-6 PUFA的比例在两种乳房的治疗和大腿肌肉间相似，的n-6 PUFA：N-3 PUFA的比例已被表明是在大腿肌肉一个显著降低（P≤0.05）中，具有最低比率E2组中发现。在N-6 PUFA的不同：在乳腺癌的n-3 PUFA比例分别为，然而，处理之间不显著（P0.05）。总体上，本研究表明施加蜂胶通过进料单独地或与益生菌一起通过水施加了在鸡胎体的最有价值的部分上的脂肪酸分布良好的效果，因此可以加入到日粮肉鸡。

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