Capsaicin and piperine: properties, disadvantages, and occurrence of the pungent substances
Alicja Kowalska
2026-03-18
3 min. read
Capsaicin and piperine: properties, disadvantages, and occurrence of the pungent substances
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Substances with a pungent taste, apart from their distinctive sensory characteristics, exhibit a range of attributes that have been confirmed as beneficial for health in scientific studies.
The chemical compound recognized as capsaicin
Capsaicin is a chemical compound of organic origin responsible for the acute taste intensity of chili peppers. It belongs to the group of alkaloids. It affects the nocyreceptors, also known as pain receptors, responsible for the burning sensation in the mouth after consuming chili. The heat level of capsaicin in a given product or food is measured on the Scoville scale. Its value for pure capsaicin ranges between 15, 000, 000–16, 000, 000 SHU. Capsaicin is typically utilized as a food flavoring and is not available for purchase in its pure form due to its toxicity.
Piperine - an organic chemical compound present in black pepper
Piperine is an alkaloid derived from piperidine found in black pepper. It is a widely used substance as a flavor enhancer in cooking. In its pure form, piperine is typically a colorless, crystalline substance.
Capsaicin – characteristic properties
Capsaicin is a substance that imparts a spicy flavor to foods, as well as has antibacterial and antioxidant properties.. It is not soluble in water, but is soluble in alcohol and fats, which means that after consuming a very spicy food, relief is not water but a drink with a fat content, such as milk.. Capsaicin can relieve pain and warm, which is often used in externally applied agents, such as ointments for muscle and joint pain.. In addition, capsaicin increases fat metabolism, which aids in weight loss, and has antioxidant properties, which protect against oxidative stress.. Recent studies suggest that capsaicin can be used in the treatment of cancer, as it has the ability to stimulate cancer cells to self-destruct.
Characteristics of piperine
Piperine has been used for a long time as a painkiller in medicine. It is also effective in treating various stomach ailments and improving digestion by increasing the secretion of digestive juices. Piperine can also increase the absorption of selenium, β-carotene, vitamins A, C, and B6. Many studies confirm that piperine has slimming properties, lowering blood fat levels and preventing the formation of new fat cells. Furthermore, animal studies suggest that piperine may have anticancer properties, inhibiting the growth of cancer cells. Piperine may also have antidepressant properties, increasing serotonin and dopamine levels, important neurotransmitters. Piperine also has antioxidant properties and lowers blood pressure.
Capsaicin and Piperine – Perils
Capsaicin in quantities considerably surpassing the recommended dosage is a toxic substance that can cause liver damage. It can even result in lethal hazards because an overdose can lead to breathing difficulties, skin swelling, and seizures. Such effects are a result of the harmful impact of capsaicin on the nervous system, which disrupts its normal functioning. Piperine is widely considered a safe substance, nevertheless, its intake should be regulated to avoid exceeding the recommended dosage. Overindulging in piperine can lead to irritation of the digestive system's mucous membrane and stomach symptoms.
Natural occurrence of capsaicin and piperine
Capsaicin, a compound found in red bell peppers, imparts their characteristic, sharper taste. In the food industry, a spicy seasoning is sourced from annual pepper or chili pepper. Piperine, on the other hand, is found in the outer layer of black pepper fruits, presenting a sharp, yet bitter taste. Both these compounds, namely capsaicin and piperine, are responsible for the sharp, distinctive flavor of many dishes. Besides culinary applications, they have numerous medicinal properties that support the proper functioning of the body.
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