What to do if you have eaten spoiled meat

By Dr Jorge Metri (PhD) | Reviewed by Dr Anny Manrich (PhD)
Page last updated: 11/06/2023 | Next review date: 11/06/2025
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The contents of this article are fact-based except otherwise stated within the article.

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Author bio

Dr Jorge Metri PhD is a Nutritionist with vast experience in food design with natural ingredients. He also researches sensory sciences and food quality with cutting-edge technologies like Machine Learning. He writes and reviews content on these topics.

Dr Jorge Metri’s highlights:

  • Invited Reviewer of two international scientific Journals
  • PhD in Food Science with emphasis on reduced-fat salad dressings with non-animal derived proteins at Universidad De Las Américas Puebla
  • Diploma in Artificial Intelligence at Universidad Anáhuac, México
  • Bachelor’s degree in Nutrition at the Universidad Latino

“Science shows its true impact when we make it understandable for everyone” – Dr Jorge Metri PhD.

Professional experience:

Prior to doing his PhD, Jorge Metri worked as an independent nutritionist for almost two years, focusing on sports nutrition to enhance the performance of swimmers and triathletes.

Jorge Metri has worked on several multidisciplinary research projects, including fruit processing, the production of protein-based products, spices, seasonings, jams, and artificial intelligence applied to agriculture production and food quality.

In the food technology area, Jorge Metri has contributed to improving sales and profits of two entrepreneurs of artisanal food products by reformulating their products and standardizing their processes.

Due to the high volume of food production and innovation, the food industry will need new technologies for food characterization in the next years; Jorge Metri is looking for studying such technologies, in 2022, he was selected as a finalist in the IFT FIRST 2022 Food Science event for the Sensory & Consumer Sciences Division Graduate Student Pangborn Oral Competition with the work titled: Machine Learning Models for Mayonnaise Acceptability Prediction.

Education:

  • 2018 – 2023: PhD in Food Science at Universidad De Las Américas Puebla of Puebla, México
  • 2022: Diploma in Artificial Intelligence at Universidad Anáhuac, México
  • 2011 – 2016: Bachelor’s degree in Nutrition at the Universidad Latino of Mérida Yucatán, México.

Main publications of Jorge Metri:

Conference papers:

You can view some of Dr Metri’s work below and links to his professional profiles:

LinkedIn: https://www.linkedin.com/in/jorge-metri-ojeda/ 

Research Gate:  https://www.researchgate.net/profile/Jorge-Carlos-Metri-Ojeda-2 

Google Scholar: https://scholar.google.com/citations?user=SBi5hE8AAAAJ&hl=es 

ORCID: https://orcid.org/0000-0002-7333-3688 


Dr Jorge Metri (PhD)
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Reviewer bio

Dr Anny Manrich PhD is a food Engineer with expertise in Food Technology, Natural Polymers, Edible Films, Enzymes, and Nanotechnology. She writes and reviews content on these topics.

Dr Anny Manrich’s Highlights: 

  • Research and Technology at the Brazilian Agricultural Research Corporation
  • PhD in Chemical Engineering with a focus on Biochemistry at the Federal University of Sao Carlos/ Brazil and a one-year scholarship at the Technical University of Munich/ Germany
  • Bachelor of Food Engineering at the University of Campinas/ Brazil and a one-year scholarship at the Technical University of Munich/ Germany

 

“To solve a problem, global vision and multifactorial understanding are necessary. Therefore, in addition to expertise, one should seek multidisciplinary thinking connected with science and reality” – Dr Anny Manrich, PhD.

Professional Experience: 

Dr Anny Manrich’s Experience Joining the Brazilian Agricultural Research Corporation, as soon as she completed her doctorate, 

 

Dr Anny Manrich has worked on several projects, including the more than three-year partnership project with BRF, a major food producer in Brazil. As a postdoctoral fellow. 

 

Dr Anny Manrich has also contributed to several business consultancies and research projects of the National Nanotechnology Laboratory System in areas such as food technology, fibres, films and coatings and Nanotechnology; in a very determined way, having a great team relationship, being creative and committed. 

Growing concerns about the safe introduction of nanomaterials into today’s life emphasises the need to create regulatory documentation in front of characterising, using and testing them. Dr Anny Manrich worked for two years on a characterization project for nanoscale materials, with the aim of exploring their possible health effects.

 

Despite not having specific academic training in packaging or polymeric films, Dr Anny Manrich works at the Brazilian Agricultural Research Corporation in areas of edible and biodegradable films produced from agricultural waste and in the development of films with greater resistance to water, having articles published in renowned scientific journals, which demonstrates her multidisciplinary understanding and creativity. 

 

In addition, she worked for four years as a consultant to a food company to develop a line of snacks that are healthy and that add functional ingredients, physiologically active compounds that bring health benefits, made from fruits and vegetables, enabling diet improvement, disease prevention and reduction of nutritional deficiencies. 

Dr Anny Manrich participated as a member of the examination board for two Master’s exams and one PhD exam at the Department of Chemical Engineering of the Federal University of São Carlos.

Education:

  • 2001 Bachelor in Food Engineering at the State University of Campinas, Brazil
  • 1999 One year scholarship at the Technical University of Munich
  • 2004 Master in Chemical Engineering at the Federal University of São Carlos, Brazil
  • 2012 PhD in Chemical Engineering at the Federal University of São Carlos, Brazil
  • 2010 One year scholarship at the Technical University of Munich

The main publications of Dr. Anny Manrich are:

Articles

Manrich, A., Moreira, F. K., Otoni, C. G., Lorevice, M. V., Martins, M. A., & Mattoso, L. H. (2017). Hydrophobic edible films made up of tomato cutin and pectin. Carbohydrate Polymers, 164, 83-91.

Mendes, J. F., Norcino, L. B., Martins, H. H. A., Manrich, A., Otoni, C. G., Carvalho, E. E. N., … & Mattoso, L. H. C. (2020). Correlating emulsion characteristics with the properties of active starch films loaded with lemongrass essential oil. Food Hydrocolloids, 100, 105428.

Norcino, L. B., Mendes, J. F., Natarelli, C. V. L., Manrich, A., Oliveira, J. E., & Mattoso, L. H. C. (2020). Pectin films loaded with copaiba oil nanoemulsions for potential use as bio-based active packaging. Food Hydrocolloids, 106, 105862.

Manrich, Anny, et al. Immobilization of trypsin on chitosan gels: Use of different activation protocols and comparison with other supports. International Journal of Biological Macromolecules 43.1 (2008): 54-61.

Manrich, Anny; Komesu, Andrea ; Adriano, Wellington Sabino; Tardioli, Paulo Waldir ; Giordano, Raquel Lima Camargo . Immobilization and Stabilization of Xylanase by Multipoint Covalent Attachment on Agarose and on Chitosan Supports. Applied Biochemistry and Biotechnology, v. 161, p. 455-467, 2010.

Mendes, J. F., Martins, J. T., Manrich, A., Neto, A. S., Pinheiro, A. C. M., Mattoso, L. H. C., & Martins, M. A. (2019). Development and physical-chemical properties of pectin film reinforced with spent coffee grounds by continuous casting. Carbohydrate polymers, 210, 92-99..

Milessi, T. S., Kopp, W., Rojas, M. J., Manrich, A., Baptista-Neto, A., Tardioli, P. W., … & Giordano, R. L. (2016). Immobilization and stabilization of an endoxylanase from Bacillus subtilis (XynA) for xylooligosaccharides (XOs) production. Catalysis Today, 259, 130-139.

Mendes, J. F., Norcino, L. B., Manrich, A., Pinheiro, A. C. M., Oliveira, J. E., & Mattoso, L. H. C. (2020). Development, physical‐chemical properties, and photodegradation of pectin film reinforced with malt bagasse fibers by continuous casting. Journal of Applied Polymer Science, 137(39), 49178.

Mendes, J. F., Martins, J. T., Manrich, A., Luchesi, B. R., Dantas, A. P. S., Vanderlei, R. M., … & Martins, M. A. (2021). Thermo-physical and mechanical characteristics of composites based on high-density polyethylene (HDPE) e spent coffee grounds (SCG). Journal of Polymers and the Environment, 29, 2888-2900..

Mendes, J. F., Norcino, L. B., Martins, H. H., Manrich, A., Otoni, C. G., Carvalho, E. E. N., … & Mattoso, L. H. C. (2021). Development of quaternary nanocomposites made up of cassava starch, cocoa butter, lemongrass essential oil nanoemulsion, and brewery spent grain fibers. Journal of Food Science, 86(5), 1979-1996.

Manrich, A., Martins, M. A., & Mattoso, L. H. C. (2021). Manufacture and performance of peanut skin cellulose nanocrystals. Scientia Agricola, 79.

Nascimento, V. M., Manrich, A., Tardioli, P. W., de Campos Giordano, R., de Moraes Rocha, G. J., & Giordano, R. D. L. C. (2016). Alkaline pretreatment for practicable production of ethanol and xylooligosaccharides. Bioethanol, 2(1)..

Manrich, Anny, de Oliveira, J. E., Martins, M. A., & Mattoso, L. H. C. Physicochemical and Thermal Characterization of the Spirulina platensis. J. Agric. Sci. Technol. B, v. 10, p. 298-307, 2020.

 

Book Chapter

Terra, I. A. A., Aoki, P. H., Delezuk, J. A. D. M., Martins, M. A., Manrich, A., Silva, M. J., … & Miranda, P. B. (2022). Técnicas de Caracterização de Polímeros. Nanotecnologia Aplicada a Polímeros, 614.

 

Conference Papers

Ferreira, L. F., Luvizaro, L. B., Manrich, A., Martins, M. A., Júnior, M. G., & Dias, M. V. (2017). Comparação da estabilidade de suspensões poliméricas de amido/tocoferol e quitosana/tocoferol. In: CONGRESSO BRASILEIRO DE POLÍMEROS, 14., 2017, Águas de Lindóia, SP.

Manrich, A., Hubinger, S. Z., & Paris, E. C. (2017). Citotoxicidade causada por nanomateriais: avaliação do micronúcleo. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 9., 2017, São Carlos. Anais… São Carlos: Embrapa Instrumentação, 2017. p. 655-658. 

Manrich, Anny, et al. Immobilization and Stabilization of Xylanase by multipoint covalent attachment on Glyoxyl Agarose Support. The 31st Symposium on Biotechnology for Fuels and Chemicals. 2009.

 

Manrich, Anny, et al. Application of immobilized xylanase on hydrolysis of soluble wood hemicelluloses after using microwave and organosolv pre-treatments. The 32nd Symposium on Biotechnology for Fuels and Chemicals. 2010.

 

You can view some of Dr Anny’s work below and links to her professional profile. 

 

Research Gate: https://www.researchgate.net/profile/Anny-Manrich-2  

 

Scopus: https://www.scopus.com/authid/detail.uri?authorId=23103497100  

 

Google Scholar: https://scholar.google.com/citations?hl=en&user=Ea9qpr0AAAAJ  

 

Linkedin: https://br.linkedin.com/in/anny-manrich-20693129

 


Dr Anny Manrich (PhD)
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In this brief guide, we will answer the query “I Ate Spoiled Meat, What Should I Do?” Additionally, the article will describe the signs of spoiled meat, as well as the risks of eating spoiled meat. Finally, you will find useful tips for preventing food illness.

I Ate Spoiled Meat, What Should I Do?

If you ate spoiled meat you should keep an eye on your symptoms; if you present abdominal pain, diarrhea, fever, nausea, or vomiting, you must contact your physician for medical indications (1). 

Sometimes foodborne illness (diseases caused by food) can go away in a few days, but in many cases you can have a bacterial infection, and you will require antibiotics to get better (1,2).

In any case, a physician will give you the best indications according to your diagnosis.

In the meantime, avoid the following foods to minimize the risks of exacerbating the symptoms (2):

  • Raw or undercooked meats (including fish, shellfish, and beef)
  • Unpasteurized milk and unpasteurized dairy products (cheeses and yogurt)
  • Raw or undercooked eggs
  • Unwashed fruits and vegetables
  • Unpasteurized processes meats or beverages
  • Raw vegetable sprouts

What are the Potential Risks of Consuming Spoiled Meat?

The classical symptoms of a foodborne illness such as headache, abdominal pain, nausea, vomiting, fever, and diarrhea, can go beyond just feeling terrible. Diarrhea, fever, and vomiting can cause dehydration (1).

Furthermore, there are people with higher risks, for example, children (especially under 5 years), pregnant women, elderly, and people with immunodeficiency caused by cancer, HIV and AIDS, transplants, or other immunological diseases (1,2).

In more vulnerable people, a foodborne illness can cause complications like dehydration, severe infections or sepsis, and even death (1,2).

What are the Signs of Spoiled Meat?

Bacteria can change different physical and organoleptic properties of meat, for example (3,4):

  • Pungent or sulfur odors.
  • Production of slime at the surface of the meat.
  • Discoloration, or presence of greenish, gray, or yellowish colors.

If you notice some of the above-mentioned signs, do not eat that meat, discard it and look for another food.

It is important to note that sometimes pathogenic bacteria do not necessarily cause visual or organoleptic changes (3,4). In the next subheading, you will learn useful tips to reduce the risks of contamination with pathogenic bacteria.

What are Some Tips for Preventing Foodborne Illness?

To avoid food contamination and bacterial growth, and therefore, foodborne illness, you should adopt hygienic food handling tips. For example (5):

  • Always clean your hands carefully with antibacterial soap and dry (preferably) with paper towels.
  • Separate raw meats from vegetables, cooked meats, and other foods.
  • You should always cook meat well until it reaches 62 °C internal (or 74 °C for ground meat).
  • After cooking, refrigerate your food within the first 2 hours. If the temperature in your city is above 32 °C or 90 °F, you should refrigerate your food within the first hour after cooking.
  • If you are going to reheat meat, ensure that your food reaches a cooking temperature (62 °C).

Conclusion

In this brief guide, we answered the query “I Ate Spoiled Meat, What Should I Do?” Additionally, the article described the signs of spoiled meat, as well as the risks of eating spoiled meat. Finally, you found useful tips for preventing food illness.

References

  1. Lee H, Yoon Y. Etiological agents implicated in foodborne illness world wide. Food Sci Anim Resour,. 2021;41(1):1–7.
  1. People at risk of foodborne illness [Internet]. U.S. Food and Drug Administration. FDA; [cited 09 June 2023]. Available from: https://www.fda.gov/food/consumers/people-risk-foodborne-illness
  1. Wojnowski W, Majchrzak T, Dymerski T, Gębicki J, Namieśnik J. Electronic noses: Powerful tools in meat quality assessment. Meat Sci, 2017;131:119–31.
  1. Dalapati R, Hunter M, Zang L. A dual fluorometric and colorimetric sulfide sensor based on coordinating self-assembled nanorods: Applicable for monitoring meat spoilage. Chemosensors, 2022;10(12):500.
  1. Indrani TK. Safe Food Handling. In: Manual of Nutrition and Therapeutic Diet. Jaypee Brothers Medical Publishers (P) Ltd.; 2017. p. 384–384.

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