Results 11 to 20 of about 7,269 (203)
Alkaloids from Piper sarmentosum and Piper nigrum [PDF]
Natural Product Research, 2009 Detailed chemical studies on the roots of Piper sarmentosum and Piper nigrum have resulted in several alkaloids. The roots of P. sarmentosum gave a new aromatic compound, 1-nitrosoimino-2,4,5-trimethoxybenzene (1). Piper nigrum roots gave pellitorine (2), (E)-1-[3',4'-(methylenedioxy)cinnamoyl]piperidine (3), 2,4-tetradecadienoic acid isobutyl amide (4)
Ee, Gwendoline Cheng Lian +5 more
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A Comparative Study on Corrosion Inhibition of Mild Steel Using Piper Nigrum L. in Different Acid Medium [PDF]
E-Journal of Chemistry, 2010 The inhibition of corrosion of mild steel using Piper nigrum L in different acid medium by weight loss method was investigated. The corrosion inhibition was studied in hydrochloric acid and sulphuric acid by weight loss method at different time interval ...
B. Anand, V. Balasubramanian
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Corrosion Inhibition of Mild Steel in Citric Acid by Aqueous Extract of Piper Nigrum L. [PDF]
E-Journal of Chemistry, 2012 The inhibition efficiency (IE) of an aqueous extract of Piper Nigrum L. in controlling corrosion of mild steel at pH 12 has been evaluated by weight loss method in the absence and presence of inhibitor in citric acid medium at different concentration ...
P. Matheswaran, A. K. Ramasamy
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THE STUDY OF ANTIOXIDANT ACTIVITIES OF PIPER SARMENTOSUM AND PIPER NIGRUM [PDF]
Tropical Agrobiodiversity, 2020 Piper sarmentosum and Piper nigrum which belongs to family Piperaceae are well distributed in the tropical region including Malaysia. They are one of the medicinal plants which are well known for its health benefits to human. This study focused on determining the antioxidant activity of P. sarmentosum and P.
Maizatul Akma Ibrahim +1 more
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RP - HPLC Method for Determination of Piperine from Piper longum Linn. and Piper nigrum Linn
E-Journal of Chemistry, 2005 Piper longum Linn. and Piper nigrum Linn. are used as spices and medicines. Quantitative determination of piperine was undertaken to provide an easy and simple analytical method, which can be used as a routine quality control method.
M. K. Santosh +3 more
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Comparison of antioxidant activities from four species of piper [PDF]
Pharmaciana, 2017 Some species from Piper genus were known for traditional medicine and ornamental plant. Previous studies showed that Piper betle and Piper acre had antioxidant activities.
Muhamad Insanu +2 more
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مجلة بغداد للعلوم, 2020 The present study includes the effect of the ethanolic and aqueous extract of Piper nigrum against the third instar of Culex pipiens molestus (Diptera:Culicidae) in different concentrations: 1, 1.5 ppm of ethanolic extracts of Piper nigrum causing 100 ...
Aulfat T. Yaseen
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Tikrit Journal of Pure Science, 2023 The study aims to investigate insecticidal and the repellency effects of three powders Capsicum annuum , Piper nigrum and Zingiber officinale against the red flour beetle T. castaneum.
Fouad A.Abdullha
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Journal of Parasitology Research, 2021 Schistosomiasis continues to affect the health and quality of life of millions of people around the world. Schistosomiasis has been ranked the second disease after malaria in terms of importance as a targeted tropical disease.
Mohamed F. Abou El-Nour +1 more
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Toxins, 2020 The main limits of current anticancer therapy are relapses, chemoresistance, and toxic effects resulting from its poor selectivity towards cancer cells that severely impair a patient’s quality of life.
Eleonora Turrini +2 more
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