What is API 20E?

What is API 20E?

API 20E It is a biochemical panel for identification system and differentiation of members of the family Enterobacteriaceae and Gram negative rods . Other API panels for other groups of bacteria, such as staphylococci and streptococci, are also available in the same format.

Is the API 20E system useful for Enterobacteriaceae identification?

The results of the two methods agreed well, showing the usefulness ofthe API20Esystem. Bartoli etal.(1972) foundthe API 20E system useful in identifying 671 strains of Enterobacteriaceae, especially Klebsiella, Entero- bacter,Proteus, and Providencia, but they included additional conventional tests in their identification system.

How to calculate profile number for 20 Tests of API 20estrip?

On the report sheet, the test are separated into groups of three and number 1 , 2 or 4 is allocated for each test. By adding the numbers corresponding to the positive reaction within each group, a7- digit profile number is obtained for 20 tests of the API 20Estrip. 5-

Do API 20E kits contain a-naphthylamine?

Some of the 86 strains gaveanegativeresult in thetestfor nitrate reduction using the substitute reagents, and these strainswereinoculated into further API 20E kits andthetestrepeatedwiththereagentsrecommended by themanufacturer,oneof which contains a- naphthylamine. IDENTIFICATION USING API CHART

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