Search results
Results from the WOW.Com Content Network
Piperidine itself has been obtained from black pepper, [14] [15] from Psilocaulon absimile , [16] and in Petrosimonia monandra. [17] The piperidine structural motif is present in numerous natural alkaloids. These include piperine, which gives black pepper its spicy taste. This gave the compound its name.
Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae, cultivated for its fruit (the peppercorn), which is usually dried and used as a spice and seasoning. The fruit is a drupe (stonefruit) which is about 5 mm (0.20 in) in diameter (fresh and fully mature), dark red, and contains a stone which encloses a single pepper seed.
The Piperaceae (/ ˌ p ɪ p ə ˈ r eɪ ʃ iː /), also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in five genera. The group contains roughly 3,600 currently accepted species in five genera.
The amount of piperine varies from 1–2% in long pepper, to 5–10% in commercial white and black peppers. [6] [7] Piperine can also be prepared by treating the solvent-free residue from a concentrated alcoholic extract of black pepper with a solution of potassium hydroxide to remove resin (said to contain chavicine, an isomer of piperine). [7]
The dried pericarp is wrinkled, and its color ranges from grayish brown to black. The seed is hard, white and oily. The odor of cubeb is described as agreeable and aromatic and the taste as pungent, acrid, slightly bitter and persistent. It has been described as tasting like allspice, or like a cross between allspice and black pepper. [1]
Pungency is not considered a taste in the technical sense because it is carried to the brain by a different set of nerves. While taste nerves are activated when consuming foods like chili peppers, the sensation commonly interpreted as "hot" results from the stimulation of somatosensory fibers in the mouth. Many parts of the body with exposed ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
This measurement is the highest dilution of a chili pepper extract at which heat can be detected by a taste panel." [ 5 ] [ 9 ] [ 10 ] A weakness of the Scoville organoleptic test is its imprecision due to human subjectivity, depending on the taster's palate and number of mouth heat receptors , which vary widely among subjects.