If the bitterness is caused by the deterioration of bamboo shoots, eating them may cause food poisoning, but not if it is simply caused by high oxalic acid.
Each 100 grams of bamboo shoots contains about 23kcal, of which 3.6 grams of carbohydrates, 2.6 grams of protein, 0.2 grams of fat, 1.8 grams of dietary fiber, vitamin C5 mg, calcium 9 mg.
Bamboo shoots at the same time have a certain amount of protein and low fat, belonging to the better ingredients, but bamboo shoots contain more oxalic acid, will be combined with calcium to form calcium oxalate, so people with reduced kidney function or osteoporosis should eat in moderation.
Bamboo shoots edible bitter may be too much oxalic acid, improper processing to make oxalic acid residue less, after eating generally does not cause poisoning; bitter may also be caused by food spoilage, this time bamboo shoots have been contaminated by bacteria, if consumed may lead to food poisoning, causing diarrhea, abdominal pain and other conditions.