Penicillium like slightly acidic environment

Sulfite tablet is made of grapes, lychee, longan and other fruits of the ideal preservative. But such fruit preservative sulfur dioxide may cause excessive residues, ranging from dizziness, nausea and diarrhea and other symptoms, severe cases can cause acute poisoning. Purchase of such fruit a look at the color, color whitish to be cautious; Second, smell the smell, especially beware there is a slight pungent odor. Grapes are added in a small amount of baking soda cleaning, repeated washing. Sodium lactate and longan peeling can be.
Added water cleaning pear liquor. Black pears during storage disease is the most common physiological diseases. Commonly used method is to use fresh tiger spirit made from plastic wrap, or sprayed directly to the tiger spirit pear surface. Tiger spirit would endanger gastrointestinal and other digestive system. The naked eye is difficult to distinguish whether the preservative. Tiger spirit soluble in ethanol, so cleaning pears, the first with the addition of water to wash liquor, and then rinse with water.
Citrus peeling to eat. potassium lactate  acidic environment and green mold Penicillium often contaminated citrus, oranges, grapefruit, citrus and other fruits, these fruits are often used preservative sodium bicarbonate, or waxing. Either preservative, are generally unable to penetrate the skin of citrus fruits, so no need to worry when eating, peeled then, but note that after the first wash peeling eat.