Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets
Increased levels of stress hormones in the muscle could lead to post mortem metabolic/structural modifications that could be reflected on meat quality. The present study investigated the metabolic effect of either adrenaline or cortisol injected into lambs in order to obtain an animal model of acute...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2013-11-01
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| Series: | Journal of Integrative Agriculture |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095311913606309 |
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| author | Dario G Pighin Sebastian A Cunzolo Maria Zimerman Adriana A Pazos Ernesto Domingo Anibal J Pordomingo Gabriela Grigioni |
| author_facet | Dario G Pighin Sebastian A Cunzolo Maria Zimerman Adriana A Pazos Ernesto Domingo Anibal J Pordomingo Gabriela Grigioni |
| author_sort | Dario G Pighin |
| collection | DOAJ |
| description | Increased levels of stress hormones in the muscle could lead to post mortem metabolic/structural modifications that could be reflected on meat quality. The present study investigated the metabolic effect of either adrenaline or cortisol injected into lambs in order to obtain an animal model of acute stress. Results showed that adrenaline or cortisol injection lead to glucose metabolism and muscle temperature increase. Muscle pH immediately post mortem was affected by adrenaline treatment. Water holding capacity (WHC) of fresh muscle, final muscle pH and temperature registered at 24 h post mortem were not affected by injected hormones. Hardness and adhesiveness of LD muscle evaluated 3 d post mortem tended to increase as a result of adrenaline or cortisol injection. Results demonstrated that injected hormones were able to affect the post mortem muscle biochemistry and the pH/T curve independently of final muscle pH. |
| format | Article |
| id | doaj-art-6402283aafa7433ca10a83c3dc8f4d90 |
| institution | Kabale University |
| issn | 2095-3119 |
| language | English |
| publishDate | 2013-11-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Integrative Agriculture |
| spelling | doaj-art-6402283aafa7433ca10a83c3dc8f4d902025-08-20T03:56:18ZengKeAi Communications Co., Ltd.Journal of Integrative Agriculture2095-31192013-11-0112111931193610.1016/S2095-3119(13)60630-9Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino HoggetsDario G Pighin0Sebastian A Cunzolo1Maria Zimerman2Adriana A Pazos3Ernesto Domingo4Anibal J Pordomingo5Gabriela Grigioni6Institute of Food Technology, National Institute of Agricultural Technology (INTA), De Los Reseros y Las Cabañas, Morón 1708, Argentina; National Council of Scientific and Technological Research – CONICET, Av. Rivadavia 1917, Buenos Aires 1033, Argentina; Faculty of Agricultural and Food Sciences, University of Moron, Cabildo 134, Morón 1708, Argentina; Correspondence Dario G Pighin, Tel: +54-11-46210446, Fax: +54-11-46212012National Council of Scientific and Technological Research – CONICET, Av. Rivadavia 1917, Buenos Aires 1033, Argentina; Faculty of Agricultural and Food Sciences, University of Moron, Cabildo 134, Morón 1708, ArgentinaExperimental Station – INTA Bariloche, Modesta Victoria 4450, San Carlos de Bariloche Río Negro 8400, ArgentinaInstitute of Food Technology, National Institute of Agricultural Technology (INTA), De Los Reseros y Las Cabañas, Morón 1708, Argentina; Faculty of Agricultural and Food Sciences, University of Moron, Cabildo 134, Morón 1708, ArgentinaExperimental Station – INTA Bariloche, Modesta Victoria 4450, San Carlos de Bariloche Río Negro 8400, ArgentinaExperimental Station – INTA Anguil, Ruta Nacional No 5 Km. 580 (6326), La Pampa 6326, ArgentinaInstitute of Food Technology, National Institute of Agricultural Technology (INTA), De Los Reseros y Las Cabañas, Morón 1708, Argentina; National Council of Scientific and Technological Research – CONICET, Av. Rivadavia 1917, Buenos Aires 1033, Argentina; Faculty of Agricultural and Food Sciences, University of Moron, Cabildo 134, Morón 1708, ArgentinaIncreased levels of stress hormones in the muscle could lead to post mortem metabolic/structural modifications that could be reflected on meat quality. The present study investigated the metabolic effect of either adrenaline or cortisol injected into lambs in order to obtain an animal model of acute stress. Results showed that adrenaline or cortisol injection lead to glucose metabolism and muscle temperature increase. Muscle pH immediately post mortem was affected by adrenaline treatment. Water holding capacity (WHC) of fresh muscle, final muscle pH and temperature registered at 24 h post mortem were not affected by injected hormones. Hardness and adhesiveness of LD muscle evaluated 3 d post mortem tended to increase as a result of adrenaline or cortisol injection. Results demonstrated that injected hormones were able to affect the post mortem muscle biochemistry and the pH/T curve independently of final muscle pH.http://www.sciencedirect.com/science/article/pii/S2095311913606309stress hormonesmuscle metabolismmeat quality |
| spellingShingle | Dario G Pighin Sebastian A Cunzolo Maria Zimerman Adriana A Pazos Ernesto Domingo Anibal J Pordomingo Gabriela Grigioni Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets Journal of Integrative Agriculture stress hormones muscle metabolism meat quality |
| title | Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets |
| title_full | Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets |
| title_fullStr | Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets |
| title_full_unstemmed | Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets |
| title_short | Impact of Adrenaline or Cortisol Injection on Meat Quality Development of Merino Hoggets |
| title_sort | impact of adrenaline or cortisol injection on meat quality development of merino hoggets |
| topic | stress hormones muscle metabolism meat quality |
| url | http://www.sciencedirect.com/science/article/pii/S2095311913606309 |
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