Micronutrients of Beef Meat from Pasture and Concentrated Based Production Systems

M.C. Cabrera; A. Terevinto; F. Zaccari; A. Felice; A. Saadoun

Micronutrients of Beef Meat from Pasture and Concentrated Based Production Systems

In: 63rd International Congress of Meat Science and Technology

Authors:

M.C. Cabrera

M.C. Cabrera ¹Departamento de Producción Animal & Pasturas, Calidad de Alimentos, Facultad de Agronomía

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A. Terevinto

A. Terevinto ¹Departamento de Producción Animal & Pasturas, Calidad de Alimentos, Facultad de Agronomía

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F. Zaccari

F. Zaccari ¹Departamento de Producción Animal & Pasturas, Calidad de Alimentos, Facultad de Agronomía

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A. Felice

A. Felice ²Fisiología & Nutrición, Facultad de Ciencias, Udelar, Montevideo, Uruguay; mcab@fagro.edu.uy

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, and

A. Saadoun

A. Saadoun ²Fisiología & Nutrición, Facultad de Ciencias, Udelar, Montevideo, Uruguay; mcab@fagro.edu.uy

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Type:: Chapter

Pages:: 301–302

DOI:: https://doi.org/10.3920/9789086868605_128

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This paper summarizes the content of micronutrients in beef meat coming from the two predominant feeding systems in Uruguay: pasture-based and concentrate-based. Twenty Aberdeen Angus (AA) steers from 26-30 months of age were used. Ten were pasture-grazed and ten were from an intensive feeding system finished 100 days with concentrate. At 36 hours post mortem muscle Longissimus dorsi (LD) was removed. Meat was vacuum packed and stored at -80 °C prior analysis. Creatine, carnosine, anserine, β-carotene, α-tocopherol, heme iron, minerals and lipid content were quantified. Meat from pastures contained significantly more creatine and carnosine than meat from concentrated based systems, but both contained a similar level of anserine. Also, important differences were found in meat from pastures, for iron and heme iron content, selenium and vitamins, such as carotenoids and tocopherol, whose contents were higher than in meat from concentrated. However, the levels of copper and lipids were significantly higher in meat from concentrated.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Micronutrients of Beef Meat from Pasture and Concentrated Based Production Systems

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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