2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Arecoline cais tawm ntawm cov txiv ntseej Arecoline yog cov khoom lag luam alkaloid pom nyob rau hauv cov txiv ntoo areca, txiv hmab txiv ntoo ntawm lub xibtes (Areca catechu). Nws yog cov kua oily uas yog soluble hauv dej, cawv, thiab ether.
YPuas Arecoline yog alkaloid?
Arecoline is a natural alkaloid of the Taiwanese betel nut. Cov tshuaj muaj cytomodulating cov teebmeem thiab tau cuam tshuam rau hauv cov kab mob ntawm qhov ncauj mob qog noj ntshav thiab qhov ncauj submucous fibrosis (Van Wyck li al., 1994; Tsai et al., 1997).
YYuav siv cov arecoline yog dab tsi?
Ib qho alkaloid tau los ntawm cov txiv ntoo (Areca catechu), txiv ntoo ntawm tsob ntoo xibtes. Nws yog ib qho agonist ntawm ob leeg muscarinic thiab nicotinic acetylcholine receptors. Nws yog siv nyob rau hauv daim ntawv ntawm ntau cov ntsev raws li cov tshuaj tua kab mob, parasympathomimetic, thiab vermifuge, tshwj xeeb tshaj yog nyob rau hauv kev xyaum kho tsiaj.
Yog Arecoline raug cai?
Cov khoom muaj nyob hauv cov txiv ntseej yog cov tshuaj lom, uas yog Schedule 4 tshuaj lom (tsuas yog tshuaj) thiab yog li tsis raug cai muaj lossis muag yam tsis raug cai. … Nyob ib ncig ntawm 10–20% ntawm lub ntiaj teb cov pejxeem zom cov txiv ntoo hauv qee daim ntawv.
Puas yog Arecoline quav?
Arecoline paub tias yog ib tus neeg tsis xaiv muscarinic ib nrab agonist, suav nrog ntau yam ntawm cov kab mob peripheral thiab hauv nruab nrab lub paj hlwb, tab sis tsis zoo li suav rau cov khoom siv ntxiv ntawm tshuaj.
Pom zoo:
Puas yog tetraazole soluble hauv dej?
qis tetraazoles, RCN 4 H, zoo li qis carboxylic acids, RCO 2 H, yog s soluble hauv dej thiab tsis tuaj yeem yooj yim crystalized los ntawm nws. tetrazoles qis dua yog crystallized zoo tshaj plaws los ntawm cov kuab tshuaj xws li ethyl acetate los yog toluene-pentane sib tov.
Puas yog amphoteric oxide soluble hauv dej?
Amphoteric Oxides muaj cov yam ntxwv ntawm cov kua qaub thiab cov oxides yooj yim oxides Ib qho yooj yim oxide yog an oxide uas thaum ua ke nrog dej muab tawm lub hauv paus. Thaum ib yam tshuaj reacts chemically, ob qho tib si raws li lub hauv paus los yog acid nws hu ua amphoteric tov.
Puas yog sodium acetate soluble hauv dej?
Sodium acetate, NaCH₃COO, kuj hu ua NaOAc, yog sodium ntsev ntawm acetic acid. Cov ntsev tsis muaj xim tsis muaj xim no muaj ntau yam kev siv. YPuas yog sodium acetate soluble lossis insoluble? Comment on solubility: Soluble in water thiab ethanol.
Puas yog alkane soluble hauv dej?
Alkanes tsis soluble hauv dej, uas yog polar heev. Ob yam khoom tsis ua raws li cov txheej txheem ntawm solubility, uas yog, uas "zoo li dissolves nyiam." Cov dej molecules muaj zog heev attracted rau ib leeg los ntawm hydrogen bonds kom cia nonpolar alkanes plam ntawm lawv thiab yaj.
Puas yog farnesol soluble hauv dej?
Cov ntsiab lus ntawm ntau lub paj absolutes [CCD] Farnesol yog lub ntuj tsim cov organic uas yog acyclic sesquiterpene cawv pom ua kua tsis muaj xim. Nws is insoluble hauv dej, tab sis miscible nrog roj. YPuas Farnesol yog Terpenoid?
