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DOI：10.31220/agriRxiv.2021.00034
声明：预印本系统所发表的论文仅用于最新科研成果的交流与共享，未经同行评议，因此不建议直接应用于指导生产实验。

Quality changes of frozen Longissimus dorsi and Semimembranosus muscles and perirenal adipose tissue during storage in lambs fed dihydroquercetin or dry distilled rose petals supplemented diet.

  • Desislava Vlahova‐Vangelova , 
  • Desislav Balev , 
  • Nikolay Kolev , 
  • Teodora Popova , 
  • Stefan Dragoe

  • 1. Department of Meat and Fish Technology Technological Faculty University of Food Technologies Plovdiv Bulgaria; 

  • 2. Department of Meat and Fish Technology Technological Faculty University of Food Technologies Plovdiv Bulgaria; 

  • 3. Department of Meat and Fish Technology Technological Faculty University of Food Technologies Plovdiv Bulgaria; 

  • 4. Department of Ecology and Quality of Animal Products Institute of Animal Science - Kostinbrod Agricultural Academy Sofia Bulgaria; 

  • 5. Assembly of Academicians and Corresponding Members Bulgarian Academy of Sciences Sofia Bulgaria; 

  • 6.  Department of Meat and Fish Technology Technological Faculty University of Food Technologies 26 Maritza Blvd. 4020 Plovdiv Bulgari; 

  •  

    Abstract: Abstract The aim of the study was to determine the quality changes of frozen muscles of Longissimus dorsi and Semimembranosus and perirenal adipose tissue from lambs fed a diet supplemented by 7.5 mg dihydroquercetin/kg/d, or 545 mg dry distilled rose petals (DDRP)/kg/d. Three groups of 10 male lambs aged 65 days were fed 50 days ad libitum : a control (ground alfalfa + granular compound feed) and two experimental groups (the same diet but with the addition of phytonutrients). Samples were collected 1 d post mortem. A half of them were analyzed immediately and another one was vacuum-packed, frozen at -40°C and stored for 365 d at -18°C. It has been found that supplementing the lamb's diet with polyphenol-rich phytonutrients contributes to certain reduction in aerobic plate count, α-aminoacidic nitrogen, protein carbonyls, TBARS and the content of saturated fatty acids, but with small amplitudes, more pronounced in the m. Longissimus dorsi from lambs fed with 545 mg DDRP/kg/d. Further studies are needed to answer the question of whether the use of higher doses of DDRP or dihydroquercetin as supplements in the small ruminant's diet will be able to provide a more pronounced inhibitory effect on oxidation processes in frozen lamb.

    Key words: fed; frozen; lambs; ddrp; dihydroquercetin; die

    提交时间：2021-01-01

    版权声明：作者本人独立拥有该论文的版权，预印本系统仅拥有论文的永久保存权利。任何人未经允许不得重复使用。

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  • Desislava Vlahova‐Vangelova, Desislav K. Balev, Nikolay Kolev, Margarita Terziyska, Stefan Dragoe. The effect of dietary dry distilled rose petals or dihydroquercetin supplementation on the oxidative stability and quality of lamb muscles and fat.. 2021. doi: 10.31220/agriRxiv.2021.00035

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  • 序号 提交日期 编号 操作
    1 2021-01-01

    10.31220/agriRxiv.2021.00034V1

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引用格式

Desislava Vlahova‐Vangelova, Desislav Balev, Nikolay Kolev, Teodora Popova, Stefan Dragoe. Quality changes of frozen Longissimus dorsi and Semimembranosus muscles and perirenal adipose tissue during storage in lambs fed dihydroquercetin or dry distilled rose petals supplemented diet.. 2021. agriXiv.2021.00034

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