{"title":"Reversed-Phase High-Performance Liquid Chromatography Analysis of β-Lactoglobulin and α-Lactalbumin in Different Types of Milk","authors":"O. Rotkāja, Jeļena Goluško, P. Mekšs","doi":"10.1515/msac-2016-0007","DOIUrl":null,"url":null,"abstract":"Abstract The aim of this study was to detect major whey proteins α-lactalbumin and β-lactoglobulin by reversed-phase high-performance liquid chromatography (RP-HPLC). RPHPLC methods were developed using the column YMC Pack-C4, which enabled the separation of whey proteins within 30 min. Mobile phase was acetonitrile/water/0.1% trifluoroacetic acid (TFA) with gradient elution, flow rate was 1.0 mL·min−1, and the detection wavelength was 210 nm. Column temperature was 40°C and injection volume was 20 μL. Milk samples contained α-lactalbumin and total β-lactoglobulin: No. 1 - 1500 mg·L−1 and 3600 mg·L−1; No. 2 - no α-lactalbumin and 450 mg·L−1 total β-lactoglobulin; No. 3 - 800 mg·L−1 and 94 mg·L−1, respectively.","PeriodicalId":18239,"journal":{"name":"Materials Science and Applied Chemistry","volume":"33 1","pages":"36 - 39"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Science and Applied Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/msac-2016-0007","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
Abstract The aim of this study was to detect major whey proteins α-lactalbumin and β-lactoglobulin by reversed-phase high-performance liquid chromatography (RP-HPLC). RPHPLC methods were developed using the column YMC Pack-C4, which enabled the separation of whey proteins within 30 min. Mobile phase was acetonitrile/water/0.1% trifluoroacetic acid (TFA) with gradient elution, flow rate was 1.0 mL·min−1, and the detection wavelength was 210 nm. Column temperature was 40°C and injection volume was 20 μL. Milk samples contained α-lactalbumin and total β-lactoglobulin: No. 1 - 1500 mg·L−1 and 3600 mg·L−1; No. 2 - no α-lactalbumin and 450 mg·L−1 total β-lactoglobulin; No. 3 - 800 mg·L−1 and 94 mg·L−1, respectively.
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