Saracila Mihaela, Untea Arabela Elena, Panaite Tatiana Dumitra, Varzaru Iulia, Oancea Alexandra, Turcu Raluca Paula, Vlaicu Petru Alexandru
Feed and Food Quality Department, National Research and Development Institute for Biology and Animal Nutrition, Calea Bucuresti, No.1, 077015 Balotesti, Romania.
Nutrition Physiology Department, National Research and Development Institute for Biology and Animal Nutrition, Calea Bucuresti, No.1, 077015 Balotesti, Romania.
Antioxidants (Basel). 2022 Apr 14;11(4):780. doi: 10.3390/antiox11040780.
The study investigates the efficacy of Cr in broilers, aiming to evaluate the effects of Chromium picolinate (CrPic) in association with creeping wood sorrel powder (CWS) on the proximate composition, fatty acids profile, bioactive nutrients and lipid oxidative stability of broiler meat. A total of 120 Cobb 500 chickens were assigned into three treatments: a control diet (C) and two test diets, including 200 µg/kg diet CrPic (E1), and 200 µg/kg diet CrPic +10 g CWS/kg diet (E2). Dietary supplementation with Cr + CWS significantly improved the concentration of n - 3 polyunsaturated fatty acids (PUFAs), while its n - 6/n - 3 ratio decreased in comparison to the group receiving Cr and the conventional diet. The concentration of docosahexaenoic acid (DHA) significantly increased in the breast meat collected from the E2 group than that from the C group. Dietary administration of Cr and CWS improved lutein and zeaxanthin content, decreased Fe and Zn levels of the breast, and increased Zn deposition in the thigh samples. Malondialdehyde (MDA) concentration decreased more in the thigh meat of the supplemental groups (E1, E2) than in that from the C group. In conclusion, the current study suggests that Cr together with CWS can be a viable option as antioxidant sources for broiler diets, promoting the nutritional quality of meat.
本研究调查了铬在肉鸡中的功效,旨在评估吡啶甲酸铬(CrPic)与酢浆草粉(CWS)联合使用对鸡胸肉的近似成分、脂肪酸谱、生物活性营养素和脂质氧化稳定性的影响。总共120只科宝500肉鸡被分为三种处理组:对照组日粮(C)和两种试验日粮,包括每千克日粮含200微克CrPic(E1),以及每千克日粮含200微克CrPic + 10克CWS(E2)。日粮中添加铬和CWS显著提高了n - 3多不饱和脂肪酸(PUFA)的浓度,而与接受铬和常规日粮的组相比,其n - 6/n - 3比值降低。E2组鸡胸肉中二十二碳六烯酸(DHA)的浓度显著高于C组。日粮中添加铬和CWS提高了叶黄素和玉米黄质的含量,降低了鸡胸肉中铁和锌的水平,并增加了大腿样品中锌的沉积。补充组(E1、E2)大腿肉中丙二醛(MDA)的浓度比C组下降得更多。总之,本研究表明,铬与CWS一起可作为肉鸡日粮抗氧化剂来源的可行选择,提高肉的营养质量。