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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.
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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]
Piper ribesioides, also known as Lao chili wood, mai sakhaan (Lao: ສະຄ້ານ, Lao pronunciation: [sā.kʰâːn]), sankhaan, sankharn, sankahn or sakahn is a species of black pepper plant. [1] The woody vine or stem of the plant has a hot, peppery and chili flavour, with a lingering aftertaste and slightly numbing sensation to the tongue.
Kampot pepper is grown, produced and sold in green, black, white and red varieties, all from the same plant. [4] The climate of Kampot Province offers perfect conditions for growing pepper and the quartz content of the soil in the foothills of the Elephant Mountains helps to give Kampot pepper its unique terroir. [5] [6]
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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.