According to the packaging of grape high decision.
Raisins are dried fruit food processed through the dehydration process, which contains less water, the better the sealed storage environment, the longer its preservation time, such as:
1, with packaging raisins, sealed conditions, only need to be placed in a cool, sealed place can be preserved for about 18 months.
2, and bulk raisins, due to contact with air, moisture, etc., easy to moisture, breeding bacteria, shelf life of about 3-6 months, if the summer heat and humidity, the shelf life is shorter, may only be 2-3 months.
SuggestionsUsually buy bulk raisins and put them into a bag with a sealing strip or can tighten the bottles and jars packed and preserved, can relatively extend its storage time.
2 Raisins in the refrigerator frozen for two years can eatNot recommended.
raisins in the refrigerator for two years has long expired, eating this expired food health risks, and expired raisins and their nutrients are greatly reduced, and then eat the nutritional value is not high, it is recommended that the expiration date of the raisins, if the appearance of the appearance is still very fresh and intact, you can mash into the soil as a flower fertilizer to use, or poured into the pond to feed the fish and shrimp; if it is with the soft rot, Mold, odor and other phenomena, can not be reused, need to be thrown away as soon as possible, so as not to put together with other, resulting in cross-infection caused by a variety of food spoilage.
3 raisins how to be considered bad 1, wormsraisins worms indicate that the preservation of the environment is not good, and raisins are eaten by worms may contain more dirty things, can not continue to eat.
2, sticky soft rottenUnder normal circumstances, raisins are dry, grab a handful of raisins and clench, and then put down will automatically disperse, but raisins stick together is not well preserved, which contains more water, is likely to have oxidative deterioration or mold.
3, moldy and tastelessGood raisins taste sweet, not with the smell, while the bad raisins will have a bitter taste, exudes mildew or fermentation flavor, rotting taste.
4 raisins green to dark brown can still eatCan not eat.
Raisins are a kind of extremely easy to oxidize the dried fruit, because it contains more sugar, anthocyanins, etc., if you buy green raisins, placed too long or at a high temperature preservation led to the case of dark brown, it is that raisins have been deteriorated, such raisins can not continue to eat, so as not to cause gastrointestinal discomfort, abdominal pain, vomiting, diarrhea and other symptoms.