Natural Acids
What is citric acid?
This acid gives lemons their sour taste and is common in citrus fruits like oranges and grapefruits.
What are alkaloids (amines)?
These nitrogen-containing compounds found in plants and animals are sometimes poisonous but used in medicine as pain relievers and anesthetics.
What are indicators?
These chemicals change color when placed in acidic or basic solutions.
What is formic acid?
This acid is found in ant and bee stings and even in nettle plants.
What are alkaloids?
Morphine, nicotine, and codeine belong to this group of biologically active basic compounds.
What is universal indicator?
This common indicator is made from a mixture of several natural indicators.
What is acetic acid?
This acid found in vinegar is widely used as a preservative in the food industry.
What are amines?
Adrenaline, serotonin, and dopamine belong to this class of natural bases.
What are indicators?
These substances change color depending on whether a solution is acidic or basic.
What is lactic acid?
This acid appears in sour milk products such as kefir, kumys, and yogurt.
What are alkaloids?
These bitter-tasting natural bases can be extracted from plants using acids and were once the main source of early anesthetic compounds.
What is universal indicator?
This commonly used indicator is actually a mixture of several plant-based color-changing chemicals.
What is tartaric acid?
This acid occurs naturally in grapes and bananas and is added to foods to give a sour taste.
What is litmus?
This indicator paper turns red in acidic solutions and blue in basic ones.