Samples of Chinese-style salted fish contain high concentrations of several N-nitrosamines and their precursors such as N-nitrosodimethylamine, N-nitrosodiethylamine, N-nitrosopyrroline and N-nitrosopiperidine (see Section 1.2) which were all shown to be carcinogenic in animals (IARC, 1978, 1993; Tricker & Preussmann, …
Why is Cantonese salted fish carcinogenic?
The Hong Kong Centre for Food Safety also classifies Chinese-style salted fish as a Group 1 carcinogen. According to the center, N-nitroso compounds can be formed during the production and steaming of Chinese- style salted fish.
How does salted fish cause cancer?
These foods can be very high in nitrates and nitrites, which react with protein to form nitrosamines. These chemicals can damage DNA. Studies in Asia have shown that people who eat Chinese cured and salted fish are at an increased risk of nasopharyngeal cancer.
Does Chinese salted fish cause cancer?
Chinese-style salted fish is known to cause nasopharyngeal cancer (NPC) in humans. N-nitroso compounds can be formed during the production and steaming of Chinese-style salted fish.
Is salted fish unhealthy?
A study with almost 80,000 men and women showed that salted foods like salted fish roe were associated with a 15 per cent increase in total cancer, while high sodium intake was associated with a 20 per cent increase in cardiovascular disease (CVD) risk, according to findings published in the American Journal of …
What are 3 examples of carcinogens?
A few well-known carcinogens are asbestos, nickel, cadmium, radon, vinyl chloride, benzidene, and benzene. These carcinogens may act alone or with another carcinogen to increase your risk. For example, asbestos workers who also smoke have a higher risk of lung cancer.
Are salted eggs carcinogenic?
Police and quality supervision officials raided an underground salted egg production site in Jiangmen city of Guangdong province, the Shanghai Daily reported. The industrial salt was found to contain nitrite, the long-term intake of which can lead to cancer, according to the Southern Metropolis Daily.
Is salted fish a processed food?
Salting and other methods. Foods can be preserved and processed in a number of ways prior to consumption. … Salting is a traditional method of preserving raw fish throughout much of the world. Depending on the precise conditions, salt-preserved fish may also undergo fermentation.
Does dry fish cause cancer?
Most of the dry fish variety in the market is laced with toxic chemicals that can cause killer diseases like gastric ulcer, gastritis and cancer.
What were your first symptoms of nasopharyngeal cancer?
The first symptom of nasopharynx cancer is usually a lump in the upper part of the neck.
Other signs and symptoms may include:
- Swelling of the neck.
- Persistent headaches.
- Nasal congestion (a blocked nose)
- Facial pain.
- Changes in hearing.
- Ringing in the ears.
- Many people have no symptoms.
Is fish carcinogenic?
Salted fish (Chinese style)
This method of preserving unfortunately results in the production of carcinogenic by-products, meaning it can cause cancer in humans. Chinese-style salted fish is a Group 1 carcinogen, like processed meat. Alternatives: Fresh fish or seafood such as prawns, mussels or squid.
Is dry fish bad for health?
Though dry fish is a popular delicacy across the country, its consumption is hazardous to human health as the preservative used to keep the fish dry is highly toxic.
What kind of fish is used for Chinese salted fish?
A wide range of fish species can be prepared as Cantonese salted fish. The most common ones are Eleutheronema tetradactylum (mayau (馬友)) and Ilisha elongata (鰽白). Other types of fish, such as Pseudosciaena crocea (黃花魚) and Bahaba taipingensis (白花魚) can also be used.
Is salted cod fish good for you?
Cod is both a nutritious and flavorful fish loaded with lean protein, vitamins, and minerals. Although lower in omega-3s than fatty fish, cod can still be part of a healthy diet. Cod contains less mercury than some seafood, including popular fish like tuna, and can be prepared in multiple ways.
What foods are carcinogenic?
Examples include bacon, sausage, hot dogs, pepperoni, prosciutto, beef jerky and salami, meats often preserved by curing, salting or smoking, or with chemical preservatives.
Can you sun dry fish?
Sun-dried fish can last up to six months without requiring storing in a fridge – a luxury in the camp – making it a reliable source of food for longer-term.