( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

European Journal of Pharmaceutical and Medical Research (EJPMR) has indexed with various reputed international bodies like : Google Scholar , Indian Science Publications , InfoBase Index (In Process) , SOCOLAR, China , Research Bible, Fuchu, Tokyo. JAPAN , International Society for Research activity (ISRA) , Scientific Indexing Services (SIS) , Polish Scholarly Bibliography , Global Impact Factor (GIF) (Under Process) , Universal Impact Factor , International Scientific Indexing (ISI), UAE  , Index Copernicus , CAS (A Division of American Chemical Society) USA (Under Process) , Directory of Open Access Journal (DOAJ, Sweden, in process) , UDLedge Science Citation Index , CiteFactor , Directory Of Research Journal Indexing (DRJI) , Indian citation Index (ICI) , Journal Index (JI, Under Process) , Directory of abstract indexing for Journals (DAIJ) , Open Access Journals (Under Process) , Impact Factor Services For International Journals (IFSIJ) , Cosmos Impact Factor , Jour Informatics (Under Process) , Eurasian Scientific Journal Index (ESJI) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Pubmed Database [NLM ID: 101669306] (Under Process) , IP Indexing (IP Value 2.40) , Web of Science Group (Under Process) , Directory of Research Journals Indexing , Scholar Article Journal Index (SAJI) , International Scientific Indexing ( ISI ) , Scope Database , Academia , 

 ISSN 2394-3211

Impact Factor: 7.065

 ICV - 79.57



Jocelyn Choo Wei Ching, Neeraj Paliwal, Nabila Perveen and Naeem Hasan Khan*


To evaluate the phytochemical constituents, antibacterial and antioxidant scavenging activity of ethanolic Soxhlet and maceration extract of Piper nigrum fruit. In the present research, Soxhlet extraction and maceration extraction of Piper nigrum were carried out by using 95% ethanol as solvent. Phytochemical analysis of the important chemical constituents were carried out for both the ethanolic extracts. Antibacterial activity of Piper nigrum extract was determined by using well diffusion method and the zone of inhibition was measured. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) were carried out subsequently. Antioxidant activity of Piper nigrum was determined by using DPPH radical scavenging assay and the IC50 values were determined. Total phenolic content was determined by the Folin-Ciocalteu method and expressed as mg Gallic acid per gram of plant material. For phytochemical analysis, both extracts showed positive results in all the tests except in the test for saponin, anthraquinone, glycoside and flavonoid. For the well diffusion test, positive results were seen in all the bacterial strains except for Escherichia coli. The MIC and MBC could not be determined accurately as the concentration used was too low. For antioxidant analysis, DPPH radical scavenging activity and total phenolic contents showed a positive correlation whereby the activity increases with the concentration. It is concluded that Piper nigrum exhibits antibacterial and antioxidant properties. It is concluded that Piper nigrum exhibits antibacterial and antioxidant properties.

Keywords: Piper nigrum, maceration, Soxhelt, antibacterial, antioxidant.

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia