OF Basal Medium - for differentiation of gram-negative bacteria on the basis of fermentative and oxidative metabolism of carbohydrates.

100gm, 500gm

Oak Wilt Fungus Agar - for cultivation of Oak fungus.

Oat Meal Powder - recommended as a selectively inhibitory agent in microbiological culture media.

Oat Meal Agar - for cultivation of fungi, particularly for macrospore formation.

*Orange Serum Agar - for cultivation and enumeration of microorganisms associated with spoilage of citrus products, cultivation of Lactobacilli and other aciduric organisms and pathogenic fungi.

*Orange Serum Broth - for cultivation of microorganisms associated with spoilage of citrus products, cultivation of Lactobacilli, other aciduric organisms and pathogenic fungi.

Orchid Agar - for germination of orchid seeds.

Ornithine Decarboxylase Broth - recommended by ISO Committee for detection of the ability of microorganisms to decarboxylate ornithine.

Osmophilic Agar (MY 40 Agar) - for detection and isolation of osmophilic microorganisms from food samples.

Osmophilic Glucose Agar (MY 40G Agar) - for isolation and cultivation of osmotolerant microorganisms from foods.

Ox Bile, Dried, Purified - used for general purpose.

Ox Bile, Dried, Certified - used in culture media as selectively inhibitory agent.

Ox Bile, Bacteriological - used in various culture media as a selectively inhibitory agent.

100gm

500gm

Oxacillin Rsistance Screening Agar Base - for screening oxacillin resistant microorganisms.

500gm

Oxytetra Glucose Yeast Agar Base (OGYE Agar Base) - for selective isolation and enumeration of yeasts and/or moulds in foods.