title: Phytochemical studies on the seed extract of Piper nigrum Linn.
abstract: The petroleum ether extract of dried ground seeds of Piper nigrum Linn. and some column fractions of this extract were subjected to GC and GC-MS analysis, resulting in the identification of fourteen compounds (1-14) by using NIST Mass spectral search program 1998 and the Kovat's retention indices. Ten of the compounds (1, 2, 4-12) are reported for the first time from this plant. All the fractions showed insecticidal activity against the fourth instar larvae of Aedes aegypti and against the fourth instar larvae of Anopheles stephensi Liston, determined by the WHO method.
authors.affiliation: H.E.J. Research institute of Chemistry, International Centre for Chemical Sciences, University of Karachi, Karachi-75270, Pakistan. bina@khi.comsats.net.pk
authors.forename: Munawwer
authors.initials: M
authors.lastname: Rasheed
authors.forename: Farhana
authors.initials: F
authors.lastname: Afshan
authors.forename: Rajput M
authors.initials: RM
authors.lastname: Tariq
authors.forename: Bina S
authors.initials: BS
authors.lastname: Siddiqui
authors.forename: Tahsin
authors.initials: T
authors.lastname: Gulzar
authors.forename: Azhar
authors.initials: A
authors.lastname: Mahmood
authors.forename: Sabira
authors.initials: S
authors.lastname: Begum
authors.forename: Bushra
authors.initials: B
authors.lastname: Khan
mesh_terms: D000818:Animals; D009033:Culicidae; D008401:Gas Chromatography-Mass Spectrometry; D007814:Larva; D009032:Mosquito Control; D031701:Piper / Q000737:chemistry*; D010936:Plant Extracts / Q000494:pharmacology*; D012639:Seeds / Q000737:chemistry
chemical_list: D010936:Plant Extracts