If you’ve ever drunk beet juice for its perks like lower cholesterol and blood pressure and improved brain function, you ...

The color that a substance turns a pH indicator is a characteristic property of that substance. An acid can neutralize a base, and a base can neutralize an acid Students squeeze red cabbage leaves in ...

Add 1 drop of lemon juice to the cup labeled Acid and gently swirl to mix. The liquid turns a cranberry red color. This color change tells you that lemon juice has an acid in it. 7. Now, use the tip ...

Bacteria that have the enzyme tryptophanase, can convert the amino acid, tryptophane to indole. Indole reacts with added Kovac’s reagent to form rosindole dye which is red in color (indole +).

Orange B (C.I. Acid Orange 137): Is also a dye used ... Why are color additives used in foods? The most popular color additives are Red 40, Yellow 5 and Yellow 6, making up 90% of all the food ...