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Caffeine is a commonplace central nervous system stimulant drug which occurs in nature as part of the coffee, tea, yerba mate, cocoa and other plants. It is also ...
維基百科中的醫療相關內容僅供參考，詳見醫學聲明。如需醫療服務或可靠意見，請諮詢專業人士。咖啡因（英語：caffeine）是一種黃嘌呤生物鹼 ...
Caffeineisacentralnervoussystem(CNS)stimulantofthemethylxanthineclass.Itisthe...Meltingpoint,235to238°C(455to460°F)(anhydrous).
Caffeinecitrate,soldunderthebrandnameCafcitamongothers,isamedicationusedtotreata...Manufacture[edit].Thedrugispreparedbycombininganhydrouscaffeinewithcitricacidmonohydrateandsodiumcitratedihydrate.
ToleranceandWithdrawal.Inthissection,thefollowingislisted:"Completetolerancetosleep...Ihavetriedheatinguppharmaceuticalgradecaffeine(anhydrous)inameltingpointapparatus,andIsawitmeltatexactlythemel...
Thispageprovidessupplementarychemicaldataoncaffeine.Chemicalproperties...Meltingpoint,227to228°C(441to442°F;500to501K)(anhydrous)
Caffeineanhydrousismadefromtheseedsandleavesofcoffeeplants.Theword“anhydrous”means“withoutwater.”Afterharvesting,caffeineisextractedfrom ...
1,3,7-Trimethylxanthine(alsoknownascaffeine)isanaturally-occurringstimulantsubstanceofthexanthineclass.Notableeffectsincludestimulation, ...
Caffeineanhydrousisadehydratedformofcaffeinethatisoftenaningredientinsportsdrinksandenergybars.Itisalotmoreconcentrated ...
Caffeineisadrug(orchemical)foundinplants.Itcanbeharmfulforbothhumansandanimalsifalargeamountisconsumed.Ifapersonate10-13gramsof ...
methyltheobromine;1,3,7-trimethyl-2,6-dioxopurine;1,3,7-trimethylxanthine;anhydrouscaffeine;theine;7-methyltheophylline;1-methyltheobromine ...
Caffeine,anhydrous,testedaccordingtoPh.Eur.L000155·Caffeine,Sigma...https://en.wikipedia.org/wiki/Caffeine·Haz-Map,InformationonHazardous ...
2023年10月12日—Pureanhydrouscaffeineisabitter-tasting,white,odorlesspowderwithameltingpointof235–238°C.Caffeineismoderatelysolublein ...
Caffeineisastimulantpresentintea,coffee,colabeverages,analgesicdrugs,andagentsusedtoincreasealertness.Itisalsousedintopreventand ...