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The most important representative of piperidine alkaloids is piperine, which is responsible for the pungent taste of pepper. The piperidine alkaloids also include the sedum alkaloids (e.g. sedamine), pelletierine, the lobelia alkaloids (e.g. lobeline), the conium alkaloids (such as coniine) and the pinus alkaloids.
Piperine, possibly along with its isomer chavicine, [2] is the compound [3] ... ("B" denotes one mole of the alkaloid base in this and the following formula).
Piperidine is used as a solvent and as a base. The same is true for certain derivatives: N-formylpiperidine is a polar aprotic solvent with better hydrocarbon solubility than other amide solvents, and 2,2,6,6-tetramethylpiperidine is a highly sterically hindered base, useful because of its low nucleophilicity and high solubility in organic ...
Piperic acid is a chemical often obtained by the base-hydrolysis of the alkaloid piperine [1] from black pepper, [2] followed by acidification of the corresponding salt.Piperic acid is an intermediate in the synthesis of other compounds such as piperonal, and as-such may be used to produce fragrances, perfumes flavorants and drugs as well as other useful compounds.
Most of the known functions of alkaloids are related to protection. For example, aporphine alkaloid liriodenine produced by the tulip tree protects it from parasitic mushrooms. In addition, the presence of alkaloids in the plant prevents insects and chordate animals from eating it.
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The vermifuge function of areca preparations is used today only in veterinary medicine. [1] Traditionally, areca nut has been used as an aphrodisiac , anorectic , digestive stimulant, and diuretic , as well as in the treatment of asthma , cough , dermatitis , fainting , glaucoma , erectile dysfunction , worm diseases , leprosy , toothache , and ...
Chavicine is a possibly pungent compound found in black pepper [1] and other species of the genus Piper.It is one of the four geometric isomers of piperine.. In light, especially ultra-violet light, chavicine is formed from its isomer piperine.