Natural infection of Cucumber mosaic virus (CMV) in Indian long pepper (Piper longum L.) and betel vine (Piper betle L.) was detected by reverse transcription polymerase chain reaction (RT-PCR). The coat protein gene sequences of CMV infecting these hosts were amplified. The resulting amplicons were cloned and sequenced. In both the cases coat protein gene consisted of 657 nucleotides, potentia...

A simple, rapid and precise spectrophotometric method has been developed for the estimation of piperine in Ayurvedic formulation Chitrakadi Vati. Three marketed preparations of Chitrakadi Vati containing black pepper (Piper nigrum) and pippali (Piper longum) from different manufacturer (CV-1, CV-2 and CV-3) were taken in this study to estimate the % w/w of piperine. The % w/w content of piperin...

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This study investigated the effects of some plant extracts on the bacterial communication system, expressed as quorum sensing (QS) activity. Quorum sensing has a directly proportional effect on the amount of certain compounds, such as pigments, produced by the bacteria. Alcohol extracts of 23 ornamental and medicinal plants were tested for anti-QS activity by the Chromobacterium violaceum assay...

The present study was undertaken to assess the biochemical changes in goats treated with anthelmintic indigenous herbs. The analysis of data was done in 18 goats, irrespective of age, sex and breed. The experimental goats were randomly divided in six groups. The effect of crude powder and cold aqueous extract of Nigella sativa, Swertia chirata and Piper longum was studied on various biochemical...

In the absence of any genetic or sequence information of a closely related species or individuals, showing morphological similarity and limited difference, differential display becomes an important technique to look into their genetic similarity and differences. Plants showing difference like disease resistance and susceptibility can be screened by this technique and sequence homology search ca...

Methods Stated formulations contain the common crude drug named piper longum. As we know that piperine is the key active plant ingredient of the drug and responsible for its therapeutic activity, both formulations have been standardized through high performance thin layer chromatography with respect to this marker compound (piperine). The stationary phase used was precoated silica gel 60F 254. ...

OBJECTIVE To investigate the effects of alcoholic extract of Allium sativum and Piper longum on the muscular activity of a parasitic amphistome, Gigantocotyle explanatum. MATERIALS AND METHODS Amphistomes were isometrically mounted to record the spontaneous muscular activity by using Chart 4 software program (Power Lab, AD Instruments, Australia) and to examine the effects of cumulative doses...