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Food Preservatives

These chemicals (grouped under food additives) prevent food from deteriorating and being spoiled. Thus, these chemicals extend the shelf life of food.

Examples of preservatives include

Type Example
sugar fruits, jam
salt salted egg, salted fish
vinegar fruits
sodium nitrite / sodium nitrate luncheon meat, burger patties, sausages
benzoic acid / sodium benzoate sauces - oyster, chilli, tomato
sodium sulphite  meats, dried potato products, dried fruits
   


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Bahan Pengawet


Bahan-bahan kimia (sejenis
bahan tambahan makanan) mencegah makanan daripada merosot dan rosak. Dalam lain perkataan, bahan pengawet memanjangkan jangka (tempoh) hayat makanan.  

Contoh-contoh bahan pengawet 

  
Jenis Contoh
gula buah-buahan, jem
garam telur masin, ikan masin
cuka buah-buahan
natrium nitrit / natrium nitrat daging burger,sosej
asid benzoik / natrium benzoat sos - tiram, cili, tomato
natrium sulfit  daging, kentang, buah-buahan kering

 

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