PL433600A1 - Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria - Google Patents

Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria

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Publication number
PL433600A1
PL433600A1 PL433600A PL43360020A PL433600A1 PL 433600 A1 PL433600 A1 PL 433600A1 PL 433600 A PL433600 A PL 433600A PL 43360020 A PL43360020 A PL 43360020A PL 433600 A1 PL433600 A1 PL 433600A1
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PL
Poland
Prior art keywords
strain
vitamin
lactic acid
acid bacteria
isolation
Prior art date
Application number
PL433600A
Other languages
Polish (pl)
Other versions
PL241590B1 (en
Inventor
Dorota Białczak
Andrzej Soroka
Paweł Pomastowski
Katarzyna Rafińska
Leszek Czaplewski
Original Assignee
Polmlek Grudziądz Spółka Z Ograniczoną Odpowiedzialnością
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Polmlek Grudziądz Spółka Z Ograniczoną Odpowiedzialnością filed Critical Polmlek Grudziądz Spółka Z Ograniczoną Odpowiedzialnością
Priority to PL433600A priority Critical patent/PL241590B1/en
Publication of PL433600A1 publication Critical patent/PL433600A1/en
Publication of PL241590B1 publication Critical patent/PL241590B1/en

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  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Przedmiotem wynalazku jest sposób pozyskiwania szczepu bakterii kwasu mlekowego, a także zastosowanie tak pozyskanego szczepu bakterii kwasu mlekowego. Zastosowaniem szczepu bakterii kwasu mlekowego, w szczególności wyizolowanego szczepu Bifidobakterii, jako aktywnego biologicznie materiału naturalnego pochodzenia, jest  mikrobiologiczna synteza witaminy D3. Służą do tego najlepiej wyizolowywane takie bakterie gram-dodatnie szczepu, które nie wykazują całkowitej aktywności katalazy oraz reduktazy azotanowej, korzystnie w teście wykonanym roztworem nadtlenku wodoru, przy czym ich kolonie mają kolor biały, a kształt wypukły i owalny. Wyizolowane szczepy inokuluje się najlepiej nie później niż na 24 h od wyizolowania, przy czym inokulację oraz następującą po niej inkubację dającą wzrost i namnażanie witaminy D3 prowadzi się w warunkach przemysłowych, podczas wytwarzania produktu żywnościowego, a samo wyizolowanie szczepów w warunkach laboratoryjnych. Wyizolowanie oraz namnażanie wspomnianych szczepów bakterii prowadzące do wyizolowania i uzyskania witaminy prowadzi się w obecności 7-dehydrocholesterolu, który to prekursor witaminy D3 jest z sukcesem przekształcany enzymami szczepów wyizolowanej bakterii w ową witaminę. Szczep Bifidobakterii posiada zdolność do uzyskania stężenia witaminy D3 w produkcie żywnościowym o wartości w zakresie od 0,05 µg/l do 50 µg/l.The subject of the invention is a method of obtaining a lactic acid bacteria strain, as well as the use of the lactic acid bacteria strain thus obtained. The use of a lactic acid bacteria strain, in particular an isolated strain of Bifidobacteria, as a biologically active material of natural origin is the microbial synthesis of vitamin D3. For this purpose, gram-positive bacteria of the strain are best isolated, which do not show complete catalase and nitrate reductase activity, preferably in a test performed with a hydrogen peroxide solution, their colonies being white, convex and oval in shape. The isolated strains are preferably inoculated no later than 24 hours after isolation, and the inoculation and subsequent incubation that results in the growth and multiplication of vitamin D3 are carried out under industrial conditions, during the production of the food product, and the isolation of the strains in laboratory conditions. The isolation and multiplication of the aforementioned strains of bacteria leading to the isolation and obtaining of the vitamin is carried out in the presence of 7-dehydrocholesterol, which is a precursor of vitamin D3 which is successfully transformed into this vitamin by the enzymes of the isolated bacterial strains. The Bifidobacterium strain has the ability to obtain the concentration of vitamin D3 in the food product in the range from 0.05 µg / l to 50 µg / l.

PL433600A 2020-04-19 2020-04-19 Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria PL241590B1 (en)

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Application Number Priority Date Filing Date Title
PL433600A PL241590B1 (en) 2020-04-19 2020-04-19 Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL433600A PL241590B1 (en) 2020-04-19 2020-04-19 Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria

Publications (2)

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PL433600A1 true PL433600A1 (en) 2021-10-25
PL241590B1 PL241590B1 (en) 2022-10-31

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PL433600A PL241590B1 (en) 2020-04-19 2020-04-19 Method of obtaining a strain of lactic acid bacteria and use of the thus obtained strain of lactic acid bacteria

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PL241590B1 (en) 2022-10-31

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