Teleplay " 1001 night " in, dilireba acts the role of female Zhu Lingling 7, factory opens in the home, arriving as a child is greatly be used to face by parents period food and expire food is raised big, blossommed beauty of white appearance of a skin grows a leg greatly, and cheerful little elder sister. Was to overturn really we are right expire the acknowledge of food.
Apparent, in teleplay, eat expire the clue that food still can grow so well is a bit exaggerative. Although the expiration period of food is to show food is in of food label demonstrate store up the term that tone carries below the condition, can be unscrambled to be " in... before edible is optimal " , but, inside the expiration period, food is likely also because deposit the change of the element such as means, environment,deteriorate prematurely.
So, expire food can eat, still need to undertake judging.
1. staple food
Staple food according to contain moisture how many minutes to be two kinds big, washily steamed bread, biscuit waits, moisture is like biscuit less to wait.
The expiration period of biscuit and steamed bread is 3~7 day commonly, after spending the expiration period, if be hair doing merely, do not affect edible. But if be mildewy, acidify, cannot eat.
Sealed the biscuit that pack, the expiration period is 1 year of above commonly. Want not flat, be affected with damp be affected with damp only, even if passed period, want flavour to do not have change only, still can eat commonly.
2. edible is oily
Overdue edible oil has not become angry it seems that, but after oxygen of contact opening a lid, cross oxidation oilily to be worth (the judgement index that grease acid beats rate) can rise gradually, if edible oil appears,change the circumstance of flavour, had better not eat. Because have degenerative oil for a long time, may increase the risk of disease of blood-vessel of head having a heart and cancer.
Attention:
Opened the oil of the lid, 3 months internal affairs gives out surely.
3. milk products
Crossed the milk of the expiration period, if present stiff and inhomogenous liquid state, or have thing of shape of clot, garrulous, cannot drink.
Content of milk powder moisture is extremely low, the expiration period is longer. If expire,time does not grow, and color was not sent dark, without macroscopical impurity or eyewinker, did not appear corrupt flavour, mildew flavour, rancid flavour, it is OK of edible.
If overdue yoghurt appeared wine flavour, corrupt flavour, mildew changes flavour, the specification is polluted by the bacterium, be about to throw away.
4. beverage
Beverage kind general airtight pack, after spending the expiration period, if the exterior does not have apparent change, did not appear fade, cloudy, precipitation, still can drink commonly, but should be with mouthfeel accurate, peculiar smell was not drunk again. The proposal after unsealing is drunk inside 1 day.
Although some of food stores below true condition, character can maintain weller, although spent the expiration period, OK still edible, but the expiration period passes, manufacturer, law does not give customer any assurance! Suggest bought food is eaten off as soon as possible.
Keyword:
Expire acid of corruption of safety of food, food, food, expiration period, food is defeated, food label
A bit knowledge:
Food packs label beforehand
A bit challenge:
1.When old elder sister pours milk powder today, discover milk powder color changes Huang Ju has mildew taste, proposal she () . A
A throws away milk powder
B rushs to drink with firm boiled water
C is put in bask in below the sun
2, judge a problem
2.Li Feng bought a packet of steamed bread the day before yesterday, there is bit of desiccate today, but without acidity, still be eatable so. () √
3.The biscuit that Wang Juan beautifuls before discovering today, be bought expired, if open late now peculiar smell of biscuit it doesn't matter, do not have be affected with damp be affected with damp, that biscuit still can eat. () √
The oil in home of 4. king aunt smells have rancid taste, but still can continue edible, because oil did not become angry. () ×
5.When having breakfast today, zhou Xiao opened a bottle of milk, discover bottom has clot, but milk has not expired, still can drink so. (× )
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