Fraser Secondary Enrichment HiVeg Broth Base, 5KG

Fraser Secondary Enrichment HiVeg™ broth base is recommended for the isolation, cultivation and enrichment of Listeria monocytogenes from food and environmental specimens. The medium is based on the formulation of Fraser and Sperber and found to be remarkably accurate in detecting Listeria species in food and environmental samples. It is recommended by APHA and formulated so as to provide optimum conditions for the growth of Listeria. This medium is prepared by replacing animal peptones with vegetable defined peptones to avoid BSE/TSE/GMO risk. Application: For Laboratory Chemicals, Analytical Purpose, Biochemical Analysis Appearance of powder: Yellow colored, may have slightly greenish tinge, homogeneous, free flowing powder Color and Clarity: Yellow colored, clear solution with slight precipitate. With addition of supplement, (FD065/FD125) the solution turns fluorescent yellow colored with slight precipitate Reaction: Reaction of 5.78% w/v aqueous solution is pH 7.2 ± 0.2 at 25 deg C Cultural Response: Cultural characteristics observed after an incubation at 35-37°C for 24 - 48 hours on addition of Fraser Enrichment Supplement (FD065) or Fraser Selective Supplement (FD125)