Harmful effects of preservatives (Class 1) on Food Items

J. Jenifer Theresal

Department of Dietetics, Kauvery Hospital, Tennur

Background

A preservative is a substance or a chemical that is put into products like packaged food products, bottled beverages, pharmaceutical / chemical drugs, varnishes/ paints, biological samples taken from living organisms, beauty products, and many other different products to prevent the process of decomposition by microbial growth or by undesired chemical change.

Harmful effect of preservatives

There are certain harmful effects of using chemicals for preservation such as, Sulfites are common preservatives used in various fruits, may have side effects in form of headaches, palpitations, allergies, and even cancer

Preservatives and its health effects
PreservativesDesirable amountHealth effects
Monosodium glutamateCanned vegetables, soups - not more than 1 %Obesity, metabolic disorders, neurotoxic effects
Sodium nitrateMeat and Meat products - not more than 50 ml/l or 45 mg/gIncrease methemoglobin, results in hypoxia, metabolic acidosis and cyanosis
sodium nitriteMeat and Meat products - not more than 0.02 ml/l or 0.02 mg/gHypoxia, altered consiousness, dysrhytmias, vasodilation and low blood presuure
Acesulfame potassiumcarbonate water - 300 ppm bread,biscuit, cakes - 1000 ppm traditional sweets - 500 ppmDysfunction of learning and memory, weight gain and CV issues
Butylated HydroxyanisoleDry mix powders - not exceeding 0.02% ghee and butter - not exceeding 0.02% breakfast cereal - not exceed 0.005 %GI cancer, urinary bladder carcinoma
Teritary-Butyl Hydroquinoneoils, chips, donuts, some breads, popcorn, other snacks, pre-made frozen foods - not exceed 0.02 % by weight on fat basisStomach tumors, damage to DNA
Lecithin and ascrobyl palmitate Infant Milk substitute - Max limit 0.5 l/ 100 ml and 1 mg/100 gmDiarrhea, vomiing, skin irritation and dermatitis
Titanium dioxidechewing gums and podered soft drink, conc. Fruit mix beverage - Max limit 1% and 0.01%Carcinogenic properties, lung cancer/ irritation in eyes, nose and throat
EDTA (Ethylene diamine Tetra Acetatecanned shrimps - extent of 250 mg/kg MaxLower blood sugar, diminish calcium level, decreased BP, irregular heartbeat
Sodium hexa Meta Phosphateproccesed fruit beverages - Max of 1000 ppmLethargy, Diarrhea, CNS effects, irregular heart function, constipation, Abdominal pain
AspartameCarbonated water - 700 ppm soft drinks - 700 ppm Jam/Jellies - 1000 ppm Bread/Biscuits - 2200 ppm traditional sweets - 200 ppmPremature birth, weight gain in newborns, mood disorder, mental stress and depression
SucraloseCarbonated water - 700 ppm Ice creams -400 ppm Bread/Biscuits - 2200 ppm chocolate - 800 ppmIncrease IBS and chron's disease, hyperinsulinemia, hyperglycemia
Neotamecarbonated water - 33 ppm yogurt - 700 ppm frozen dessert - 400 ppm Jam/Jellies - 450 ppm traditional sweets - 750 ppmGenotoxicity, Carcinogenicity
Saccharin SodiumCarbonated water and soft drink - 100 ppmIt affects the balance of bacteria in gut and lead to type 2 DM
Modified starchesPotato chips, soups, and fruit beverages - max conc of 0.5 %malabsorption in some cases lead to diarrhea, abdominal bloat
Arsenic Wine, Beer - not more than 3 ppmCancer, CVA, diabetes, skin lesions and negative impact on cognitive development
Lead Chili powder,Tamaric powder - Not more than 1 ppmDevelopment delays, abdominal pain, neurological changes, and may lead to fatal (death)

PPM* – Parts Per Million

Conclusion

Preservatives are used to increase the shelf life of food and to maintain the quality for longer time. It has been reported that chemicals which are used as preservatives have side effects. The reaction of preservatives can be very mild to life-threatening. It is best to eat a preservative-free diet if at all possible.

Dt. Jenifer Theresal J
Senior Dietician

Kauvery Hospital