摘要
Whole sesame seeds (WSS), although rich in linoleic acid, have not been studied for their impact on the milk fatty acid (FA) profile. Twenty-four goats were divided into three homogeneous subgroups. A control (CON) group and treated groups, in which WSS were incorporated in the concentrates of the CON at 5% (WSS5) and 10% (WSS10), respectively, by partial substitution of both soybean meal and corn grain, were evaluated. Significant increases in the milk fat and total solids contents of goats fed the WSS10 diet compared with the CON were found. In the milk of WSS10-fed goats, the proportions of long-chain fatty acids, monounsaturated fatty acids and unsaturated fatty acids (UFAs) were increased, while those of medium-chain fatty acids and saturated fatty acids (SFAs) were decreased compared with those of the CON group. Significant decreases in the proportions of short-chain fatty acids, in the SFA/UFA ratio and in the atherogenicity index value in milk of treated goats were observed. The proportions of C15:0 and C17:0 FAs in the blood plasma of WSS10-fed animals compared with CON-fed animals were reduced significantly. Superoxide dismutase and catalase activities increased significantly in the blood plasma of WSS10-fed goats compared with CON-fed goats. Additionally, in the treated goats, the protein carbonyls (PC) in blood plasma and both PC and malondialdehyde contents in milk declined significantly. A significant enhancement in the total antioxidant capacity [measured by the ferric reducing ability of plasma (FRAP)] in the milk of WSS10-fed goats compared with the CON was found. Similarly, an increase in the FRAP value of milk of WSS5-fed goats compared with CON-fed goats was observed. In conclusion, the highest inclusion level of WSS (WSS10) in goat diets improves the FA profile and the oxidative stability of milk and improves the organism's antioxidant status.
摘要译文
虽然富含亚油酸，但尚未研究整个芝麻籽（WSS），但尚未对其对乳脂肪酸（FA）型材的影响。二十四只山羊分为三个均匀的亚组。评估了一种对照（CON）组和处理基团，其中WSS以5％（WSS5）和10％（WSS10）的浓缩物中掺入，通过部分取代大豆膳食和玉米粒。与发现相比，牛奶脂肪和山羊的总固体含量的显着增加。在WSS10喂养的牛奶中，增加了长链脂肪酸，单不饱和脂肪酸和不饱和脂肪酸（UFAS）的比例，而中链脂肪酸和饱和脂肪酸（SFA）的比例与骗局的那些。观察到，在SFA / UFA比例中，在SFA / UFA比例和治疗山羊牛奶中的短链脂肪酸的比例中显着降低。与CON-FED动物相比，WSS10喂养动物的血浆中C 15：0和C 17：0的比例显着减少。与喂养山羊相比，WSS10喂养山羊血浆中的超氧化物歧化酶和过氧化氢酶活性显着增加。另外，在处理过的山羊中，血浆中的蛋白质羰基（PC）和牛奶中的PC和丙二醛含量明显下降。在发现与CON相比，在WSS10喂养山羊牛奶中的抗氧化能力[通过血浆（FRAP）的牛奶中的总抗氧化能力[测量的总抗氧化能力显着增强。同样，观察到与喂养山羊相比，WSS5喂养山羊牛奶的FRAP值的增加。总之，山羊饮食中的WSS（WSS10）的最高纳入水平改善了牛奶的氧化稳定性，并改善了生物体的抗氧化状态。
C.Mitsiopoulou[a];K.Sotirakoglou[b];N.E.Labrou[c];E.Tsiplakou[a];. The effect of whole sesame seeds on milk chemical composition, fatty acid profile and antioxidant status in goats - ScienceDirect[J]. Livestock Science, 2021,245