a well-known examp▓le.

curd and green onion The combination of bean curd and green onions may aff


ect the absorption of calcium. Bean curd

rom mi

are eaten t

ins plenty of nutrition like protein and calcium. But green onions contain a great deal of▓ oxalic acid. When calcium meets oxalic acid, the calcium oxalate they form destroys calcium. If one eats bean curd mixed with green on▓ions over a long time, it can lead to a lack of calcium causing spasms, osteomalacia and fractures.▓ Milk and chocolate Believe it or not, milk and chocolate do not m

ogether, they ca

use diarrhea. Li Hongyan

atch. While milk is rich in protein and calcium, chocolate contains ox


alic acid. Eaten together,▓ the calcium f



lk and the oxalic acid of ▓chocolate can combine and form insoluble calcium oxalate, which is not only indigestible but also can cause diarrhea. Milk and pomelo The protein in milk can react with the fruit aci▓ds in pomelos and make one's stomach feel bloated. The acid can also over-stimulate the stomach and cause diarrhea. Lactic acid drink and ham Many people like having a sandwich with yo

from Shanghai To

ngmai Food Co Ltd, sugge

▓gurt. However, ham and bacon in sandwiches, when taken with yogurt,


could cause cancer. ▓To extend the preser


n mixin▓g d

of meat products, producers add nitrate to prevent decay and bot▓ulinus. But when nitrate meets organic acid, it can turn into nitrosamine, a carcinogen. Soy milk and egg Soy milk contains nutrition including vegetable proteins, fats, carbohydrates, vitamins and minerals. If drunk by itself, it is very nouri▓shing. However, if taken together with ▓eggs, it can reduce the activity of protease

ifferent foods, pe
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