Abstract
Objective: The aim of this study is to investigate of phytopharmaceutical importance of endolichenic fungi isolated from Hypotrachyna infirma (Kurok.) Hale. Methods: The lichen species were collected from Sholaiyar hills, Coimbatore and identified as Hypotrachyna infirma (Kurok.)Hale. From this lichen, 29 endolichenic fungi were isolated and 13 endolichenic fungi were identified. From the identified endolichenic fungi, 26 extracts were prepared by successive solvent extraction methods using Ethyl acetate and chloroform. Results: The phytochemical study revealed the presence of important constituents like Alkaloids, Tannins, Carbohydrates, Phenols, Protein, Terpenoids, Steroids, Glycosides Flavonoids and Saponins. From the 13 endolichenic fungi, only 5 endolichenic fungi (Nigrospora oryzae (Berkand Broome)Petch, Geotrichum candidum Link, Scytalidium lignicola pesante, Aspergillus oryzae(Ahlb.) cohn, Aspergillus niger Gr.) have more constitutents. These 5 endolichenic fungi have good results in Quantitative analysis also. Conclusion: Compared to ethyl acetate extracts Chloroform extracts showed very less concentration of the phytochemicals. From this study we conclutated Nigrospora oryzae (Berk and Broome) Petch gave the best results in both qualitative and quantitative compared to other endolichenic fungi.
Highlights
Lichen is a stable self-supporting association of a mycobiont and a photobiont
A total of 13 endolichenic fungi were isolated from the lichen species Hypotrachyna infirma (Kurok.)Hale
Terpenoids were absent in Aspergillus oryzae(Ahlb.) cohn, and Glycosoids was absent in Geotrichum candidum Link
Summary
Lichen is a stable self-supporting association of a mycobiont (fungus) and a photobiont An important elevated proportion of fungal endophytes (80%) manufacture secondary metabolites possessing biologically active compounds [3] that are synthesized via various metabolic pathways [4]. These secondary metabolites are to be owned to different structural groups i.e., aliphatics, alkaloids, cytochalasines, depsipeptides, furandiones, isocumarines, phenols, quinines, steroids, terpenoids and xanthones, have been commercially utilized for pharmaceutical, medical and agricultural purposes [4,5,6,7,8,9,10,11,12,13,14]
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