Are the PH values of most fruits acidic? I'm talking about PH! ! What fruit has an alkaline PH value?

Most people think that sour people are acidic.

But from the perspective of food science,

Lemons are alkaline foods. Why?

Food will become alkaline after entering the human body, so we classify it as alkaline food. For example, after lemon juice enters the human body, it will be oxidized and burned into carbon dioxide and water, and the rest will become inorganic substances. We can determine whether it is an alkaline food or an acidic food by looking at what is in its inorganic matter.

If the content of sodium, potassium and calcium is high, it will become alkaline food. Because sodium and other compounds become alkaline when dissolved in water.

soda

H2O

-& gt；

sodium bicarbonate

Bicarbonate-

H2O

-& gt；

H2CO3

Oh-

2 (Na) 2O22-

2H2O

-& gt；

4Na+OH-

oxygen

Ah ... where are the sodium carbonate and sodium peroxide?

Nutritional biology in junior high school tells us that food will be burned (digested) by a complex oxidation. Chemists simulate the digestion of food,

So as to determine the pH value of food.

Burn food to ashes

Dissolve ash with solvent

Test the pH value of the ash solution.

On the contrary,

If the content of phosphorus, sulfur and chlorine is high, it will become acidic food.

So what is the correct answer?

Lemon juice painted on litmus paper will appear red.

You can know that lemons are really sour. Different views,

To know whether a substance is acidic or alkaline,

The result will be different.

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