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Simultaneous determination of lactulose and lactose in conserved milk by HPLC-RID
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نویسنده
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silveira m.f. ,masson l.m.p. ,martins j.f.p. ,álvares t.d.s. ,paschoalin v.m.f. ,lázaro de la torre c. ,conte-junior c.a.
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منبع
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journal of chemistry - 2015 - دوره : 2015 - شماره : 0
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چکیده
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Heat treatment is applied to dairy products to ensure microbiological quality and increase the shelf life. however,a suitable control of this process is necessary to guarantee nutritional and sensory quality. the aim of this study is to adapt the high performance liquid chromatography (hplc) method for determination of lactulose and lactose content in commercial samples of uht and sweetened condensed milk. the hplc method used showed a good resolution of the analytes evaluated. the analyzed uht milk samples presented levels for lactulose in accordance with the limit recommended by the international dairy federation. there was no significant variation in lactulose concentration for sweetened condensed milk samples. however,one sweetened condensed milk sample showed lactose level lower than the established values (10-12%). © 2015 michelle fernandes silveira et al.
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آدرس
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federal institute of rio de janeiro,no. 88,pereira de almeida street,praça da bandeira, Brazil, federal institute of rio de janeiro,no. 88,pereira de almeida street,praça da bandeira, Brazil, department of food technology,federal rural university of rio de janeiro,seropédica, Brazil, institute of nutrition,federal university of rio de janeiro,macaé campus,imburo road,ajuda,macaé, Brazil, institute of nutrition,federal university of rio de janeiro,macaé campus,imburo road,ajuda,macaé, Brazil, laboratory of pharmacology and toxicology,faculty of veterinary medicine,major national university of san marcos,circunvalación avenue,san borja,lima 41,peru,department of food technology,fluminense federal university,no. 64,niteroi, Brazil, institute of nutrition,federal university of rio de janeiro,macaé campus,imburo road,ajuda,macaé,rj,brazil,department of food technology,fluminense federal university,no. 64,niteroi, Brazil
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Authors
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