1, pickles: if the salinity is high, it is not necessary to put in the refrigerator. If the salty vegetables are light, put at room temperature is easy to sticky, you can put in the refrigerator.

2, soy sauce, sesame sauce, ketchup and other condiments: can be stored at room temperature, but contains more protein, sugar, time is easy to breed bacteria, the flavor will change. If you can't finish it in the short term, it's better to keep it in the refrigerator. Less salty sauces such as salad dressings and ketchups must be kept in the refrigerator after opening.

3, rice preservation method: in 1000kg of rice in 1kg kelp, can make the rice to keep dry and not moldy, not worm. Due to the dry kelp moisture absorption capacity, and has the effect of pressurizing germs and killing insects. Summer home storage of rice too much, a little longer easily deteriorate insects, if the container under some dry lime, can be stored for many hours unchanged.

4, live fish preservation method: summer buy back live fish, with the hands of the fish gills lift up, and then dipped in vegetable oil or sesame oil coated in fish gills on the silk, can make the fish live 1 ~ 2 days.

5, lard preservation method: lard refined into the oil vessel, put a little sugar (500 grams of oil put 50 grams of sugar), stirring the average cooling sealed up, so that can be stored for a longer period of time does not change flavor.

6, new egg preservation method: the eggs into the grain, a layer of eggs a layer of grain buried, both to prevent damage, but also can make the eggs in 30 days does not deteriorate.

7, pork preservation method: summer buy back the raw meat, if the day is not finished, with a clean wet cloth soaked in vinegar wrapped up, even after three or five days can still keep fresh.