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Hjem Butikk Innholdsanalyser Vitaminer Mikrobiologiske VitaFast Vitamin B5 (Pantotensyre)

VitaFast Vitamin B5 (Pantotensyre)

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VitaFast Vitamin B5 (Pantotensyre)
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VitaFast® Pantothensäure / Pantothenic Acid

Product Code P1005

 Intended use:

Easy to use microbiological microtiter plate test for the quantification of total pantothenic acid (enriched and natural pantothenic acid) in food, feed and pharmaceutical products.

 General information:

Pantothenic acid is extracted from the sample and the extract is diluted. The
diluted extract and the pantothenic acid assay-medium are pipetted into the
wells of a microtiter plate which is coated with Lactobacillus plantarum. The growth of Lactobacillus plantarum is dependent on the supply
of pantothenic acid. Following the addition of pantothenic acid as a standard
or as a compound of the sample, the bacteria grow until the vitamin is
consumed. The incubation is done in the dark at 37 °C (98.6 °F) for 20 - 24 h.
The intensity of metabolism or growth in relation to the extracted pantothenic
acid is measured as turbidity and compared to a standard curve. The
measurement is done using an microtiter plate spectrophotometer at 610 - 630 nm (alternatively at 540 - 550 nm).

 Specifications:

 

Format:

Microtiter plate with 96 wells (12 strips with 8 removable wells each)

Standards:

0.04 - 0.24 mg / 100 g (ml)

Sample preparation:

For the determination of free pantothenic acid in nutrient-enriched samples, a hot acid extraction is usually sufficient.
However, enriched drinks can be used directly after sterile filtration and dilution.
Due to the hot water extraction, natural pantothenic acid is only measured in part. For the determination of the total pantothenic acid content, the sample has to
be hydrolyzed with enzyme.

Incubation time:

20 - 24 h in the dark at 37 °C (98.6 °F)

 

 

 

Tilgjengelighet:
Normalt sendt innen: Ta kontakt
Antall stk pr. pakke:1
Antall pakker pr kartong:96






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