{"title":"Spectrophotometric Determination of Curcumin using\u00003-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate\u0000as Electrophilic Coupling Agent","authors":"Syeda Ayesha","doi":"10.2174/0118779468312580240712045328","DOIUrl":"https://doi.org/10.2174/0118779468312580240712045328","url":null,"abstract":"\u0000\u0000Nutraceuticals are products derived from food sources that provide extra health benefits in addition to the basic nutritional value found in foods. Spectrophotometric methods for the determination of curcumin were developed, which are\u0000simple, sensitive, selective, rapid, and reliable.\u0000\u0000\u0000\u0000The methods are based on the reduction of iron (III) to iron (II) by 3-Methyl-2-\u0000benzothiazolinone hydrazone hydrochloride hydrate (MBTH), which is an electrophilic\u0000coupling agent and subsequent reaction with curcumin in mild hydrochloric acid medium.\u0000Spectrophotometric methods for the determination of curcumin were developed, which\u0000are simple, sensitive, selective, rapid, and reliable. The methods are based on the reduction of iron (III) to iron (II) by 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate (MBTH), which is an electrophilic coupling agent and subsequent reaction\u0000with curcumin in mild hydrochloric acid medium.\u0000\u0000\u0000\u0000The reaction produces a bluish–green complex with maximum absorbance at 670\u0000nm. The colour complex can be extracted into chloroform. The methods obey Beer’s law\u0000in the range 0.3-7.0 and 0.2-7.0 (µg mL-1\u0000).\u0000\u0000\u0000\u000010 common anions and cations were added, and the method was tested, and\u0000no interference was observed. The proposed methods offered the advantages of having\u0000good reproducibility and were satisfactorily worked out to estimate the amount of curcumin in various turmeric samples.\u0000","PeriodicalId":89671,"journal":{"name":"Current physical chemistry","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141807916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}