For pickled items, it is generally recommended that they be thoroughly washed and eaten warm. Although it is customary in some areas to eat such foods directly raw, if you eat them this way for a long period of time, you may consume more nitrites and other substances produced by pickled foods, which can be very burdensome to the body's blood vessels and liver. It is not recommended to eat pickled beans raw, but also to avoid long-term consumption of large quantities of pickled beans.
Also, raw food is not recommended for people with digestive disorders. Raw and cold foods may irritate the gastrointestinal mucosa, aggravating and recurring stomach pain and bloating. Food heated and cooked before consumption, the stimulation of the human gastrointestinal tract will be slightly weakened, heating also helps to destroy the bacteria contained in raw food, safer and more hygienic to eat.