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Nitrates in Processed Meat Nourishable Raw Episode 11
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Why is processed meat unhealthy, and are all-natural nitrate-free products better? Subscribe to Nourishable at / nourishable • Follow Nourishable on twitter, facebook and instagram to stay up to date on all things nutrition. • / nourishable • fb.me/nourishable.tv • / nourishable • Hosting, Research, Writing Post-Production by Lara Hyde, PhD • http://www.nourishable.tv • Music Video Production by Robbie Hyde • / chedderchowder • Opening Motion Graphics by Jay Purugganan https://www.c9studio.com/WP/ • The information in this video is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images and information, contained on or available through this video is for general information purposes only. • • References • https://www.ncbi.nlm.nih.gov/pubmed/2... • https://www.ncbi.nlm.nih.gov/pubmed/2... • https://www.ncbi.nlm.nih.gov/pubmed/2... • https://www.ncbi.nlm.nih.gov/pubmed/2... • Corned beef is cured using a specific type of salt called sodium nitrite. The nitrite undergoes chemical reactions with the proteins to preserve the meat from spoiling and also add an attractive pink colour and tasty flavours. Nitrites are also used to cure many other processed meats like bacon, sausage, hot dogs and cold cuts. • Here’s the thing - while nitrites are helpful in preventing meat spoilage, they’re also forming chemical compounds that are bad for your health. Nitrites bind to proteins and to create chemicals called N-nitrosocompounds. These N-nitrosocompounds are pretty nasty because they can increase oxidative stress and inflammation in the body, which are underlying causes of many chronic diseases like cardiovascular disease and diabetes. N-nitrosocompounds are also carcinogenic and increase risk of many different types of cancer. In 2015, the world health organization qualified processed meat as a human carcinogen. • The largest study to date showed that eating more processed meat is associated with a higher risk of death from any cause, including cardiovascular disease, cancer, respiratory diseases, diabetes and kidney disease. This association was the strongest for processed red meat like bacon and sausage. • But eating bacon once won’t kill you. How much nitrite is bad? These studies were comparing the highest versus lowest intakes. They divided up people across a spectrum from eating processed meat 0 times per day versus 2 or more servings per day. They found increase disease risk with every additional 20g serving per day. The WHO stated that 50g/day increases colorectal cancer risk, that’s the equivalent of 4 pieces of bacon or one hot dog. So putting that all together, it seems that regularly eating processed meat, and processed red meat in particular, is bad for health due to high amounts of nitrites. • We’ve known that nitrites in meat is unhealthy for a long time, but my bacon say all natural and nitrite free! Am I good to go? Most nitrite free processed meats contain celery extract. Many plants, like celery, are naturally high in nitrates. When you eat the whole celery stalk, it also contains other compounds like vitamin C and antioxidants that counteract the nitrates. When celery extract is used in meat curing, the nitrates are concentrated and allowed to chemically react with the proteins in the meat and form those N-nitroso-compounds. It doesn’t matter where you get the nitrates from a salt or celery, they’re still going to chemically do the same thing in the meat. • This is one of those situations where the term all-natural really frustrates me. It gives the food a health halo, but really it is just a marketing term. • So what do we do with this information? Eating cured red meats once in a while is okay, I’ll probably still enjoy some corned beef this St. Patrick’s day, but eating them routinely as part of your regular diet is not a healthy choice. Studies show that replacing processed red meat with unprocessed white meat reduces many of these negative health associations. Consider whether you can swap out the processed meat for a fresh alternative, like sliced chicken or turkey breast, or try out some plant-based options. • Images: Kaboompics.com from Pexels
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