Take 2 tubes of agar and a solution of Malachite green (365 g/mole) and a solution of Potassium permanganate (164 g/mole). Mark the top of the agar on the outside of the tube (the starting point). Add 10 drops of malachite green to one tube and 10 drops of Potassium permanganate to the other. Take note of the time. There was relatively little variation in mean numbers of colony forming units (CFU) and types of fungi recovered between MEA, PDA, Sab media groups relative to variation within each group. There was a significant difference between Sab, Dichloran-18% glycerol (DG18) and V8® Original juice agar media, however. Agar (agar agar) Agar (agar agar) is a gelatinous substance that is extracted from seaweed and processed into flakes, powders and sheets. It is commonly used in Asian cuisines and as a flavorless vegan substitute for gelatin. Agar helps gel, stabilize, texturize and thicken beverages, baked goods, confectioneries, dairy products, dressings Over a 3-month a comparison was made between an acceptable culture method, tryptic soy agar (TSA) employing the pour plate (PP) technique at 37 degrees C for 48 h, and PP cultures on standard Impression materials agar and alginate. 6. An impression tray is a container which holds the impression material as it sets, and supports the set impression until model is poured in stone. Impression trays can be separated into two main categories- stock trays and special trays. In microbiology, agar is used solely as a nutrient source for growing fungi. It provides elements essential for fungal growth. Agar serves as an antiseptic substance in microbiology, disinfecting instruments and containers used in experiments. Agar functions as a linking agent in DNA replication. Agar vs agarose gel - This lecture explains about the difference between agar and agarose gel. If you're looking for a comparison of Agar vs. Agarose gel, be Agar and agarose are two forms of solid growth media that are used for the culture of microorganisms , particularly bacteria . Both agar and agarose act to solidify the nutrients that would otherwise remain in solution. Both agar and agarose are able to liquefy when heated sufficiently, and both return to a gel state upon cooling. For agar media in bottles, re-melting and cooling down to 44-47 °C is necessary before pouring the agar plates. Dehydrated culture media , on the other hand, are commercially available in long-time stable form (up to 5 years), either powders or granules, that contain all the ingredients of the growth media, except water. Agar density vs. nutrient density. Agar is a polymer made of polysaccharide agarose and agaropectin. It is used in bacteria labs as the gelling agent in media for agar plates. Growing bacteria on gel allows for researchers to collect individual colonies much more easily than if they were grown in a liquid medium. fgaBZMS.