Orange Serum Agar

Item No.  NCM0054A

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$186.38 each
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$16,960.13 each
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Minimum quantity required: 1
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Orange Serum Agar is used for the cultivation of aciduric microorganisms associated with spoilage of products and is not intended for use in the diagnosis of disease or other conditions in humans. The low pH of fruit juices makes citrus fruit products susceptible to spoilage by yeasts, molds, and the bacteria Lactobacillus and Leuconostoc. In the 1950’s, Hays investigated spoilage in frozen concentrated orange juice. He found that an agar medium containing orange serum (juice) was superior to Lindegren Agar in isolating the microorganisms responsible for spoilage causing a buttermilk off-odor. Murdock, Folinazzo, and Troy found Orange Serum Agar, pH 5.4 to be a suitable medium for growing Leuconostoc, Lactobacillus, and yeasts. Orange Serum Agar is recommended for examining fruit beverages.
Brand Neogen® Culture Media
Analyte Spoilage
Platform Dehydrated Culture Media
Mass 500 g
Formula Liter
Orange Serum 200 mL
Yeast Extract 3.0 g/L
Enzymatic Digest of Casein 10 g/L
Dextrose 4.0 g/L
Potassium Phosphate 2.5 g/L
Agar 17.0 g/L
Grams per Liter 45.50
Liters per 500 g 12.00
Plates per 500 g 650.00
  1. Suspend 45.5 g of the medium in one liter of purified water.
  2. Heat with frequent agitation and boil for one minute to completely dissolve the medium.
  3. Autoclave at 121°C for 15 minutes.
Previous Item Number Product was previously known as Acumedia Product: 7587 Orange Serum Agar; and LabM Product: LAB147 Orange Serum Agar
Package Weight 1.35 lb