1. fresh vegetables in the pickling, the vitamin C contained in the almost "wiped out", and thus the nutritional value of pickles is far lower than fresh vegetables.
2. Pickles contain more nitrite, into the human body will generate carcinogens nitrosamines, so that people eat always have to worry about.
3. Salted vegetables are high salt food, it is not advisable to eat and long-term consumption, otherwise it will be easy to cause cardiovascular and cerebrovascular disease and osteoporosis.
In daily life, it is best to control up to 20 grams of salted vegetables per day.