Background: Black pepper (Piper nigrum) is mainly cultivated in tropical areas such as South India. It is known as a popular spice in all over the world. Although some studies have been carried out to determine the ingredients of black pepper Essential Oil (EO) cultivated in various regions of the world, but there is little data about some physicochemical characteristics of EO of black pepper c...

background and objectives: non-sanitary conditions during the drying, transport and storage stages in the production of spices could introduce mycotoxin contamination. the aim of the current study was to determine the concentration of ochratoxin a (ota) in 92 commercial spices (including red pepper, black pepper, turmeric and cinnamon) imported to iran. materials and methods: ota levels were de...

introduction: black pepper (piper nigrum l.) is one of the medicinal plants being used to prevent and manage stroke in persian medicine. current findings support its anti-inflammatory, radical scavenging and neuroprotective characteristics. in this study, we aimed to evaluate role of black pepper on functional and histopathological outcomes of stroke in an animal model of mcao. materials and me...

background black pepper (piper nigrum) is one of the well-known spices extensively used worldwide especially in india, and southeast asia. the presence of alkaloids in the pepper, namely, piperine and its three stereoisomers, isopiperine, chavicine and isochavicine are well noticed. objectives the current study evaluated the effect of lyophilization and oven drying on the stability and decompos...

black pepper ( piper nigrum ) from piperaceae and its main ingredient (piperine) reduces gastric emptying in rats. in iranian traditional medicine, black pepper is used to relief the menorrhalgia in women. the aim of this study was to investigate the effect of black pepper fruit aqueous extract on non-pregnant rat uterus contractions and the mechanism(s) of its action. to prepare the extract, b...

Introduction: Black pepper (Piper nigrum L.) is one of the medicinal plants being used to prevent and manage stroke in Persian Medicine. Current findings support its anti-inflammatory, radical scavenging and neuroprotective characteristics. In this study, we aimed to evaluate role of black pepper on functional and histopathological outcomes of stroke in an animal model of MCAO. Materials and Me...

Black pepper ( Piper nigrum ) from Piperaceae and its main ingredient (piperine) reduces gastric emptying in rats. In Iranian traditional medicine, black pepper is used to relief the menorrhalgia in women. The aim of this study was to investigate the effect of black pepper fruit aqueous extract on non-pregnant rat uterus contractions and the mechanism(s) of its action. To prepare the extract, b...

in this study, extracts and essential oils of black and red pepper and thyme were tested for antibacterial activity against escherichia coli o157:h7 andstaphylococcus aureus. black and red pepper and thyme were provided from iranian agricultural researches center. 2 g of each plant powder was added to 10 cc ethanol 96°. after 24 h, the crude extract was separated as an alcoholic extract and con...

background: there are several plant extractions which are being used for mosquito control. the aim of this study was to evaluate the efficacy of olea vera, linum usitatissimum and piper nigera against anopheles stephensi and aedes aegypti under laboratory conditions. methods: these tests were carried out using who recommended bioassay method for adult mosquitoes. results: the extracts from blac...

Background: Essential Oils (EOs) of spices may serve as a potential source of antibacterial and antioxidant agents due to the presence of a diverse group of phytochemicals. In the present investigation, an attempt has been made to seek EOs from five commonly used spices that have both strong antibacterial and antioxidant potential to shed some light on these important aspects. Methods: In vitr...