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卡特里亚马的肉质和肌内脂肪酸组成

Meat quality and intramuscular fatty acid composition of Catria Horse.

作者信息

Trombetta Maria Federica, Nocelli Francesco, Pasquini Marina

机构信息

Dipartimento di Scienze Agrarie, Alimentari ed Ambientali, Università Politecnica delle Marche, Ancona, Italy.

出版信息

Anim Sci J. 2017 Aug;88(8):1107-1112. doi: 10.1111/asj.12737. Epub 2016 Dec 2.

Abstract

In order to extend scientific knowledge on autochthonous Italian equine meat, the physical-chemical parameters of Catria Horse Longissimus thoracis (LT) muscle and its nutritional characteristics have been investigated. Ten steaks of Catria foal raised at pasture and fattened indoors for 2 months were dissected, and LT muscle was analyzed for chemical composition, total iron, drip loss, colorimetric characteristics, intramuscular fat, fatty acid profile and nutritional indexes. Steak dissection showed that LT muscle accounted for 36.78% and fat accounted for 9.19% of weight of steak. Regarding chemical composition, protein and fat content was 20.31% and 2.83%, respectively. Total iron content (1.95 mg/100 g) was lower than data reported in the literature. Color parameters showed a luminous and intense red hue muscle. The sum of unsaturated fatty acid composition (50.3%) was higher than the sum of saturated fatty acids (46.64 %). The fatty acid profile and nutritional values of Catria Horse meat could be modified adopting extensive rearing systems and grazing. The data suggests that further investigation on the composition of Catria Horse meat should be carried out to valorize this autochthonous breed, reared in sustainable livestock systems, and its meat in local short-chain systems.

摘要

为了拓展关于意大利本土马肉的科学知识,对卡特里亚马的胸最长肌(LT)的理化参数及其营养特性进行了研究。解剖了10块在牧场饲养、室内育肥2个月的卡特里亚马驹牛排,并对LT肌肉的化学成分、总铁含量、滴水损失、比色特性、肌内脂肪、脂肪酸谱和营养指标进行了分析。牛排解剖显示,LT肌肉占牛排重量的36.78%,脂肪占9.19%。关于化学成分,蛋白质和脂肪含量分别为20.31%和2.83%。总铁含量(1.95毫克/100克)低于文献报道的数据。颜色参数显示肌肉呈明亮且强烈的红色调。不饱和脂肪酸组成的总和(50.3%)高于饱和脂肪酸的总和(46.64%)。采用粗放式饲养系统和放牧方式可以改变卡特里亚马肉的脂肪酸谱和营养价值。数据表明,应进一步研究卡特里亚马肉的成分,以提升这种在可持续畜牧系统中饲养的本土品种及其在当地短链系统中的肉类价值。

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