Orchid Maintenance Organic Mixture is supplied by HiMedia. It is available in the form of a grey to black, homogeneous, free flowing powder with a pH in the range of 6.3 to 7.3. Since this product is extremely hygroscopic, it is advisable to store it at 2-8C, in air tight containers. The composition (mg/ml) is as follows:
Activated charcoal (2000.00)
Orchid maintenance organic mixture has been specially formulated for the in vitro culture of orchid species. Tryptone serves as a source of organic nitrogen. Sucrose serves as the source of carbohydrate. Activated charcoal serves as an adsorbing agent.