PREPARATION DIFFERENTIAL CULTURE MEDIUM FOR CRYPTOCOCCUS NEOFORMANS FROM AQUEOUS EXTRACT OF LEAVES AND FLOWERS OF CHRYSANTHEMUM CINERARIAEFOLIUM
DOI:
https://doi.org/10.22159/ajpcr.2020.v13i2.33723Keywords:
Cryptococcus neoformans, Fungi, Aqueous Extract, Chrysanthemum cinerariaefolium, Differential mediumAbstract
Objective: A new medium was prepared to isolate and diagnose the yeast Cryptococcus neoformans from flower and leaves aqueous extract of chrysanthemum.
Methods: Prepared differential culture medium for C. neoformans from aqueous extract of leaves and flowers of Chrysanthemum cinerariaefolium and chemical, spectral tests of the extracts were tested, in addition of gas chromatography (GC)–mass was used to diagnose phenolic compounds in both leaves and flowers.
Results: Showed that the yeast was grow with typical colonies on the new medium compared with other media which using in diagnosed of this yeast such as Staib agar and Sabourauds dextrose agar and unlike the yeast Candida albicans (as a negative control), which appeared in cream to white on this medium. Furthermore, the colonies are dark brown in color on flower chrysanthemum medium and light brown color on leaves chrysanthemum medium. In addition, the results of the chemical and spectral tests of the extracts confirmed that the plant contains many active compounds such as alkaloids, turbines, tannins, and phenols. The analysis of the extracts of phenolic compounds using GC–mass led to the diagnosis of five compounds in the leaf extract and nine compounds in the flower extract of this plant.
Conclusions: The media was prepared is differential medium that use to diagnosis of Cryptococcus such as Staib agar. Moreover, low economic cost, which consists of leaves and flowers of a plant available, abundance and the method of preparation is very simple.
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