You may never eat a hot dog again

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The hot dog is arguably the ultimate in processed food. Learning how its made is likely to make you sick.

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London - Want to lose your appetite for hot dogs? Then visit a frankfurter factory. It’s an unpleasant business.

In vast metal vats, tons of pork trimmings are mixed with the pink slurry formed when chicken carcasses are squeezed through metal grates and blasted with water.

The mush is mixed with powdered preservatives, flavourings, red colouring and drenched in water before being squeezed into plastic tubes to be cooked and packaged.

It is a disgusting process, for the hot dog is arguably the ultimate in processed, industrial food.

Cheap hot dogs don’t just taste awful. Eaten in excess, they can be disastrous for your health. There is now scientific evidence that hot dogs – like all processed meats – increase the risk of bowel cancer.

So just what goes into the hot dogs to make them such a target for real food campaigners?

Meat

Traditional hot dogs are made from pork trimmings – the pieces left over after chops, bacon and ham has been cut away – along with chicken or turkey. The meat is ground into a paste and mixed with water, preservatives, flavouring and colours.

Some dogs have very little real pork. Instead, they are made up mostly of mechanically recovered chicken. This is the slimy paste created when a carcass – stripped of all traditional cuts – is forced through a metal sieve or blasted with water.

The process is banned for beef after the BSE scare of the Nineties, but is permitted for pigs and poultry, and the meat produced is 10 times cheaper than normal meat.

Water

This is added to create the right consistency for the mushy paste, which is then squeezed into tubes and cooked. It’s also needed to hold together the frankfurter after cooking.

Starch

All sausages are bulked out with carbohydrate starch. Hog dogs usually contain potato starch, wheat flour or rusk mixed with salt, baked and crumbled. Starches give more volume to a hot dog. They also bind ingredients together and make the mechanically recovered meat and pork trimmings feel more pleasant on the tongue.

Salt

Hog dogs contain around two percent salt, which means they are classed as high-salt foods – and if eaten in excess can increase your risk of high blood pressure, stroke and heart disease.

A single 35g frankfurter has up to 0.6g of salt – one tenth of an adult’s daily recommended amount.

Milk protein

Adding powdered milk proteins to the meat slurry also helps to bind it. There’s no health risk, unless you are allergic to dairy products. Some hot dog manufacturers use pea and soya protein, which can also bulk out the hot dog, while adding to its protein content.

E250 – Sodium nitrite

Processed meat increases the risk of bowel and stomach cancer and sodium nitrite is thought to be largely to blame. It is added to to stop hot dogs going grey and keep microbes at bay.

In the body, nitrites can react with protein-rich foods such as meat to produce N-nitroso compounds, or NOCs. Some types of NOCs damage the DNA in our cells and cause cancer.

Flavours

Many use artificial smoke flavouring, herbs, spices, celery and garlic powder.

A few brands use the chemical monosodium glutamate – MSG, or E621 – to enhance the flavour. MSG gives food a “meaty” feel and is used in soups, sauces and, notoriously, Chinese takeaways.

MSG has been accused of causing allergies, headaches and dehydration. However, despite the health scares, there is no hard evidence that MSG is bad for you, and it is found naturally in broccoli, mushrooms and tomatoes.

E451 – Potassium and sodium triphosphates: These are synthetically produced colourless salts that act as a “stabiliser, buffer and emulsion”. They give a hot dog a firmer texture, keep it at the right acidity and allow the oils and fats to mix with the water.

E451 is also used in detergents as a water softener and is added to flame retardants, paper, rubber and anti-freeze. There are no known health problems from consuming them.

E452 – Polyphosphates: Another additive common in food. E452 is an emulsifier and stabiliser, improving the texture of the hot dog and stopping fat going rancid. It also helps prevent food-poisoning bugs.In the human body, E452 breaks down into phosphate and there is no evidence of a health risk.

E301 – Sodium ascorbate: A form of vitamin C, sodium ascorbate is an antioxidant and acidity regulator that stops meat losing its red colour and which speeds up the curing process. At the low doses in hot dogs, it causes no problems. But when taken in large doses as a vitamin pill it can cause skin irritation.

E120 – Carmine: Carmine is another word for the red food dye cochineal, which has no health effects, as long as you are not allergic to insects. For cochineal is made by crushing up the shells of small beetles. The shells are boiled in ammonia or sodium carbonate and the colour filtered off. The colour can trigger allergic reactions and even anaphylactic shock in some people.

E160c – Paprika extract: Another natural food colouring, this time made from the dried pods of Indian red chillies. It is often added to cheese, orange juice, sauces and sweets.

And finally...

Even if you buy only the finest, most natural hot dogs, you’re not out of the woods. For hot dogs are one of the most dangerous foods you can give to young children. In America, they account for an extraordinary 17 percent of all child choking cases and kill around 80 children a year. They are particularly risky for children under four because they easily get lodged in the airway and are difficult to shift. – Daily Mail

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