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UTEX sells Ochromonas Medium at 1X concentration only. Stock solutions and individual components for this specific medium are currently not available for purchase.

Ochromonas Medium

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$ 55.00

Deadline to place an order for Ochromonas Medium with a 2024 shipment date has passed. New orders will not ship until the 2025 new year—see announcement or order confirmation email for the expected ship date.

FAQs: Algal Culture Media

Ochromonas Medium

Suitable for LB 1297 Poterioochromonas malhamensis, LB 1298 Ochromonas danica and LB 1300 Ochromonas minuta.

Directions

For 1 L Total
  1. To approximately 900 mL of dH2O, add each of the components in the order specified while stirring continuously.
  2. Bring total volume to 1 L with dH2O.
  3. Autoclave medium.
  4. Store at refrigerator temperature.

# Component Amount Stock Solution Concentration Final Concentration
1 Glucose
(BACTO-dextrose or Sigma D 9634)		 1 g/L 5.6 mM
2 Tryptone (Sigma T 9410) 1 g/L
3 Yeast extract
(Bacto, Difco)		 1 g/L
4 Liver extract infusion 40 mL/L
Ochromonas Medium Recipe PDF
Safety Data Sheet (SDS)
FAQs:Algal Culture Media

Important Notes To Consider:

  • The quality of water, including natural seawater, is important. The term 'dH2O' generally refers to distilled, deionized, distilled/deionized water, Milli-Q water (Millipore Corp.), etc. Natural seawater and natural freshwater should be obtained from a non-polluted source.
  • When dissolving chemicals, wait for the first component to dissolve before adding the second. Stirring, and sometimes the addition of heat, is often required to dissolve the chemicals efficiently. Preparation of stock solutions for frequently made algal culture media make preparing media convenient but also necessary to avoid errors from weighing very tiny amounts.
  • Attention should be given to the pH of the final medium. In most cases, if pH adjustment is required, this occurs before sterilization. Please note that autoclaving removes carbon dioxide from media lacking carbonate stabilizing buffers. This would make the medium very alkaline soon after removal from the autoclave. In these cases, you should wait approximately 24 hours for gaseous equilibrium before inoculating the medium.

Additional algal culture media recipes can be found at the following other major Collections' websites: