Culture Media Notes | Page 7 of 7

Mueller Hinton Agar (MHA)

January 11, 2020August 27, 2018 by Sagar Aryal

Mueller Hinton Agar (MHA) Introduction of Mueller Hinton Agar (MHA) Mueller and Hinton developed Mueller Hinton Agar (MHA) in 1941 for the isolation of pathogenic Neisseria species. Mueller Hinton agar is a microbiological growth medium that is commonly used for antibiotic susceptibility testing using Kirby-Bauer disc diffusion method. MHA is recommended for the diffusion of antimicrobial agents impregnated on paper disc through an agar gel as described in CLSI Approved Standard. …

Potato Dextrose Agar (PDA)

February 4, 2020August 22, 2018 by Sagar Aryal

Potato Dextrose Agar (PDA) Introduction of Potato Dextrose Agar Potato dextrose agar is common microbiological basal growth media made from potato infusion, and dextrose used for the growth of the fungi. PDA is recommended by APHA and FDA for plate counts of yeasts and molds in the examination of foods and dairy products. It is a general purpose medium for yeasts and molds that can be …

Xylose Lysine Deoxycholate (XLD) Agar

January 10, 2020August 20, 2018 by Sagar Aryal

Xylose Lysine Deoxycholate (XLD) Agar Introduction of XLD Agar Xylose Lysine Deoxycholate (XLD) agar is a selective growth medium used for the isolation of Salmonella and Shigella species from clinical samples and from food. XLD Agar was developed by Taylor for the differentiation, isolation, and identification of enteric pathogens, and to support the growth of more fastidious enteric organisms. XLD Agar was especially designed to allow the growth of Shigella species, and …