Abstract
Aims: Present study aims to evaluate the presence of bioactive compounds of Semibarbula orientalis (Pottiales: Pottiaceae), a bryophyte whole plant methanolic extract by Gas Chromatography-Mass Spectrometry (GC-MS) which are important medicinally as well flavouring and colouring agents.
 Study design: Qualitative preliminary phytochemical and GC-MS analysis.
 Place and duration of study: The study was carried out at Department of Botany, Center of Advanced Study, Jai Narain Vyas University, Jodhpur-Rajasthan (India) from January 2017 to December 2020.
 Methodology: The Preliminary phytochemical screening of S.orientalis was carried out qualitatively following the standard methods of Harbourne, Trease and Evans. GC-MS analysis was performed by GC-MS-QP 2010 Shimadzu, Japan equipped with thermal desorption system TD 20.
 Results: Preliminary phytochemical analysis revealed the presence of carbohydrates, proteins, phenols, sterols, flavonoids and terpenoids. GC-MS analysis of methanolic extract of whole plant revealed the presence of 49 bioactive phytoconstituents which include mainly n-Hexadecanoic acid, Cis-vaccenic acid, Azulene, Hexadecanoic acid metyl ester, 1,3-Propanediol, 2-(hydroxyl methyl)-2-nitro, 9-12 Octadecadienol chloride (z,z), Octadecanoic acid etc.
 Conclusion: Preliminary phytochemical and GC-MS profiling of methanolic extract Semibarbula orientalis whole plant showed the presence of high value bioactive compounds with important medicinal properties and other uses in food industries as flavouring and colouring agents.
Highlights
The use of plants and plant products for the treatment of human diseases as old as our civilization
In the present study, the plant was investigated for the identification of bioactive compounds by preliminary phytochemical screening and Gas Chromatography-Mass Spectrometry (GC-MS) analysis which are important for pharmaceutical as well as food industries
For GC-MS analysis crude extract was redissolved in methanol to make stock solution, from this stock solution, 1μl was used in GC-MS analysis
Summary
The use of plants and plant products for the treatment of human diseases as old as our civilization. Plants contain different types of phytochemicals known as secondary metabolites [2] and these chemicals play an important role in pharmaceutical industry to develop new drugs and preparation of therapeutic agents [3]. Bryophytes are the second-largest taxonomic group in the plant kingdom [5] These plants are resistant to pathogenic attacks which suggest that they are rich in antimicrobial phytochemicals but these have been neglected for a long time due to their small size and identification problems [6] and the phytochemistry and bioactivity of these plants have not been much studied from the perspective of their application potential. In the present study, the plant was investigated for the identification of bioactive compounds by preliminary phytochemical screening and GC-MS analysis which are important for pharmaceutical as well as food industries
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