I suppose that the reaction between fruit/vegetables juices and hydrochloric acid from the stomach are not so important. Juices can increase the acidity in stomach.
Stomach digestive juice is quite acidic.
The stomach contains gastric juices for chemical digestion.
stomach
acid
yes because it is found in the stomach
Juice is not a reaction; it is a liquid mixture.
Gastric Juice
there is no chemicle reaction
homogenous
digestive juice acid
Stomach
No, in the stomach it is an Acid that helps break down food.