I do not like to eat Onions, ginger and some acid food.

我不喜欢吃葱，姜和一些酸的食物。

youdao

It is used as a preservative in certain acid food products.

在某些酸性食物制品中它被使用作为防腐剂。

youdao

It is a perfect colorant which is widely used in juice, candy, wine, pastry etc. It is suitable for acid food.

主要用于果(味)汁饮料、糖果、配制酒及糕点等。适用于偏酸食品。

youdao

Rory Collins, co-director of Oxford University's clinical-trials service unit (which demonstrated the efficacy of aspirin against heart disease) has managed to piggy-back on a commercial trial in order to test the notion that folic acid, a food-supplement commonly given to pregnant women, may also prevent heart attacks.

ECONOMIST: Trial and error

They did, though, give a warm response to N-acetyl-cysteine - an amino acid supplement sold in health food stores, thought to work by increasing the body's ability to mop up destructive chemicals which build up in the liver as enzymes break down ethanol.

BBC: News | HEALTH | How to beat holiday hangovers

In some company this statement could clear the room fast, but sommeliers love Riesling, despite the relative skepticism of the American drinking public, and they also tend to love Chenin, for some of the same reasons it's relatively high-acid, which makes it food-friendly and lively even when it has residual sugar.

WSJ: Singing of France's Unsung Chenin Blanc | On Wine by Jay McInerney