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Piper nigrum

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https://www.readbyqxmd.com/read/29770504/black-pepper-piper-nigrum-essential-oil-demonstrates-tissue-remodeling-and-metabolism-modulating-potential-in-human-cells
#1
Xuesheng Han, Cody Beaumont, Damian Rodriguez, Tyler Bahr
Very few studies have investigated the biological activities of black pepper essential oil (BPEO) in human cells. Therefore, in the current study, we examined the biological activities of BPEO in cytokine-stimulated human dermal fibroblasts by analyzing the levels of 17 important protein biomarkers pertinent to inflammation and tissue remodeling. BPEO exhibited significant antiproliferative activity in these skin cells and significantly inhibited the production of Collagen I, Collagen III, and plasminogen activator inhibitor 1...
May 17, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29717031/piperine-functions-as-a-tumor-suppressor-for-human-ovarian-tumor-growth-via-activation-of-jnk-p38-mapk-mediated-intrinsic-apoptotic-pathway
#2
Lihui Si, Ruiqi Yang, Ruixin Lin, Shuli Yang
Piperine, a kind of natural alkaloid found in the fruit of black (Piper nigrum Linn) and long (Piper longum Linn), has shown antitumor activities toward various cancer cell lines. However, the antitumor effects of piperine on ovarian cancer and the underlying mechanism are not fully elucidated. Our result showed that piperine reduced the cell viability of A2780 cells in a concentration and time-dependent manner, but has not any effect on normal ovarian cells. Flow cytometric analysis revealed that piperine suppressed cells proliferation via induction of apoptosis, which was followed by release of mitochondrial cytochrome c to cytosol, activation of caspase-3, and -9, as well as cleaved PARP...
May 1, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29692546/proteomics-assisted-profiling-of-antimicrobial-peptide-signatures-from-black-pepper-piper-nigrum-l
#3
P Umadevi, M Soumya, Johnson K George, M Anandaraj
Plant antimicrobial peptides are the interesting source of studies in defense response as they are essential components of innate immunity which exert rapid defense response. In spite of abundant reports on the isolation of antimicrobial peptides (AMPs) from many sources, the profile of AMPs expressed/identified from single crop species under certain stress/physiological condition is still unknown. This work describes the AMP signature profile of black pepper and their expression upon Phytophthora infection using label-free quantitative proteomics strategy...
May 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29625099/sinergism-between-alkaloids-piperine-and-capsaicin-with-meglumine-antimoniate-against-leishmania-infantum
#4
Francisco Marcelo Vieira-Araújo, Fernanda Cristina Macedo Rondon, Ícaro Gusmão Pinto Vieira, Francisca Noelia Pereira Mendes, José Caludio Carneiro de Freitas, Selene Maia de Morais
The primary choice of drugs to treat Leishmaniasis are the pentavalent antimony-based compounds, nevertheless these drugs presented undesirable side effects. However, safe natural compounds could be used in combination with these drugs to enhance their activity. The aim of this study was to evaluate the sinergism of capsaicin and piperine, isolated from Capsicum frutescens and Piper nigrum, respectively, in combination with meglumine antimoniate against Leishmania infantum promastigote and amastigote forms...
April 3, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29576858/cardioprotective-and-metabolomic-profiling-of-selected-medicinal-plants-against-oxidative-stress
#5
Nadia Afsheen, Khalil-Ur-Rehman, Nazish Jahan, Misbah Ijaz, Asad Manzoor, Khalid Mahmood Khan, Saman Hina
In this research work, the antioxidant and metabolomic profiling of seven selected medicinally important herbs including Rauvolfia serpentina , Terminalia arjuna , Coriandrum sativum , Elettaria cardamom , Piper nigrum , Allium sativum , and Crataegus oxyacantha was performed. The in vivo cardioprotective potential of these medicinal plants was evaluated against surgically induced oxidative stress through left anterior descending coronary artery ligation (LADCA) in dogs. The antioxidant profiling of these plants was done through DPPH and DNA protection assay...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29498663/capsaicin-and-piperine-can-overcome-multidrug-resistance-in-cancer-cells-to-doxorubicin
#6
Hanmei Li, Sonja Krstin, Shihui Wang, Michael Wink
BACKGROUND: Multidrug resistance (MDR) can develop in cancer cells after treatment with anticancer drugs, mainly due to the overexpression of the ATP-binding cassette (ABC) transporters. We analyzed the ability of two pungent-tasting alkaloids-capsaicin and piperine from Capsicum frutescens and Piper nigrum , respectively-to reverse multidrug resistance in the cancer cell lines Caco-2 and CEM/ADR 5000, which overexpress P-glycoprotein (P-gp) and other ABC transporters. METHODS: The MTT assay was first used to determine the cytotoxicity of doxorubicin, the alkaloids, and digitonin alone, and then their combinations...
March 2, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29471237/quantifying-the-harmful-potential-of-ten-essential-oils-on-immature-trichogramma-pretiosum-stages
#7
Douglas Silva Parreira, Ricardo Alcántara-de la Cruz, Germano Leão Demolin Leite, Francisco de Souza Ramalho, José Cola Zanuncio, José Eduardo Serrão
The use of chemical insecticides and non-selective natural products authorized for use in organic farming may reduce the effectiveness of egg parasitoids. The side-effects of ten plant essential oils on immature stages of Trichogramma pretiosum were evaluated. Carapa guianensis, Origanum vulgare and Zingiber officinalle during the F1 generation, and Azadirachtin and Mentha piperita in the F2 generation were slightly harmful (class II: 30-79%) to the emergence of this parasitoid. All essential oils affected the longevity of females of the F1 and F2 generations...
May 2018: Chemosphere
https://www.readbyqxmd.com/read/29446018/green-synthesis-of-silver-nanoparticles-using-piper-nigrum-tissue-specific-bioaccumulation-histopathology-and-oxidative-stress-responses-in-indian-major-carp-labeo-rohita
#8
Chellappan Shobana, Basuvannan Rangasamy, Rama Krishnan Poopal, Sivashankar Renuka, Mathan Ramesh
The aim of the present investigation is to assess the sublethal toxicity of biologically synthesized silver nanoparticles (Ag NPs) in Indian major carp Labeo rohita. Ag NPs used in the study were synthesized by using AgNO3 with aqueous leaf extract of Piper nigrum. Median lethal concentration (LC50 ) of synthesized Ag NPs was determined for 96 h (25 μg/L); 2.5 μg/L (1/10th LC50 ) and 5 μg/L (1/5th LC50 ) were taken as sublethal concentrations to evaluate the toxicity for 35 days. The results of the TEM, SEM, and EDX analyses revealed that Ag NPs were considerably accumulated in the gill, liver, and kidney of fish at both concentrations (2...
February 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29425156/contribution-of-polyphenol-oxidation-chlorophyll-and-vitamin-c-degradation-to-the-blackening-of-piper-nigrum-l
#9
Fenglin Gu, Feifei Huang, Guiping Wu, Hongying Zhu
Black pepper ( Piper nigrum L.) is the most widely used spice in the world. Blackening is considered to be beneficial and important in the processing of black pepper because it contributes to its color and flavor. The purpose of this paper is to investigate polyphenol oxidation as well as the chlorophyll and vitamin C (VC) degradation in the blackening of Piper nigrum L. Black pepper was produced by four methods, and changes in polyphenols, chlorophyll and VC were studied by high performance liquid chromatography (HPLC) and ultraviolet-visible and visible (UV-Vis) spectrophotometry...
February 9, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29398783/effect-of-uv-c-on-the-physiology-and-biochemical-profile-of-fresh-piper-nigrum-berries
#10
Emma R Collings, M Carmen Alamar Gavidia, Katherine Cools, Sally Redfern, Leon A Terry
Application of UV-C has been shown to enhance the biochemical profile of various plant materials. This could be used to increase biochemical load, reducing the amount of material required but still impart equivalent flavour. As spices, such as black pepper ( Piper nigrum L.), are typically dried to low moisture content to create a stable product for transportation and storage, little work has explored the use of modern postharvest treatments to enhance flavour. In this work, fresh P. nigrum berries were exposed to four UV-C doses (0, 1, 5 and 15 kJ m-2 ) and subsequently stored at 5 °C for ca ...
February 2018: Postharvest Biology and Technology
https://www.readbyqxmd.com/read/29387312/digesters-in-traditional-persian-medicine
#11
REVIEW
Zeinab Mahmoudpour, Hoda Shirafkan, Morteza Mojahedi, Narjes Gorji, Seyyed Ali Mozaffarpur
Background: Functional gastrointestinal diseases are common in general populations and comprise more than 40% visits to gastroenterologists . Treatment options of gastrointestinal diseases have been limited. There are a few medications for functional gastrointestinal diseases and some of medications are not available in the market or in the place where the patient lives. Traditional Persian medicine (TPM) is a branch of alternative and traditional medicine based on individual viewpoint and humoral theory, focuses on lifestyle modification and uses natural products to manage the patients...
2018: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29351265/development-of-antimicrobial-biocomposite-films-to-preserve-the-quality-of-bread
#12
Kelly J Figueroa-Lopez, Margarita María Andrade-Mahecha, Olga Lucía Torres-Vargas
This study focused on the development of gelatin-based films with incorporation of microcrystalline cellulose as reinforcement material. Clove ( Syzygium aromaticum ), nutmeg ( Myristica fragrans ), and black pepper ( Piper nigrum ) oleoresins containing antimicrobial compounds of natural origin were incorporated into the films. The mechanical, thermal, optical, and structural properties, as well as color, seal strength and permeability to water vapor, light, and oil of the films were determined. Adding oleoresins to the gelatin matrix increased the elongation of the material and significantly diminished its permeability to water vapor and oil...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29291356/a-high-throughput-molecular-pipeline-reveals-the-diversity-in-prevalence-and-abundance-of-pratylenchus-and-meloidogyne-species-in-coffee-plantations
#13
Christopher A Bell, Howard J Atkinson, Alan C Andrade, Hoa X Nguyen, I Gede Swibawa, Catherine Lilley, James McCarthy, Peter Urwin
Coffee yields are adversely affected by plant-parasitic nematodes and the pathogens are largely under-reported because a simple and reliable identification method is not available. We describe a PCR-based approach to rapidly detect and quantify the major Pratylenchus and Meloidogyne nematode species that are capable of parasitising coffee. The procedure was applied to soil samples obtained from a number of coffee farms in Brazil, Vietnam and Indonesia to assess the prevalence of these species associated both with coffee (Coffea arabica and C...
January 1, 2018: Phytopathology
https://www.readbyqxmd.com/read/29248443/molecular-cloning-and-functional-characterization-of-three-terpene-synthases-from-unripe-fruit-of-black-pepper-piper-nigrum
#14
Zhehao Jin, Moonhyuk Kwon, Ah-Reum Lee, Dae-Kyun Ro, Juraithip Wungsintaweekul, Soo-Un Kim
To identify terpene synthases (TPS) responsible for the biosynthesis of the sesquiterpenes that contribute to the characteristic flavors of black pepper (Piper nigrum), unripe peppercorn was subjected to the Illumina transcriptome sequencing. The BLAST analysis using amorpha-4,11-diene synthase as a query identified 19 sesquiterpene synthases (sesqui-TPSs), of which three full-length cDNAs (PnTPS1 through 3) were cloned. These sesqui-TPS cDNAs were expressed in E. coli to produce recombinant enzymes for in vitro assays, and also expressed in the engineered yeast strain to assess their catalytic activities in vivo...
January 15, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29229530/trichoderma-harzianum-mtcc-5179-impacts-the-population-and-functional-dynamics-of-microbial-community-in-the-rhizosphere-of-black-pepper-piper-nigrum-l
#15
Palaniyandi Umadevi, Muthuswamy Anandaraj, Vivek Srivastav, Sailas Benjamin
Employing Illumina Hiseq whole genome metagenome sequencing approach, we studied the impact of Trichoderma harzianum on altering the microbial community and its functional dynamics in the rhizhosphere soil of black pepper (Piper nigrum L.). The metagenomic datasets from the rhizosphere with (treatment) and without (control) T. harzianum inoculation were annotated using dual approach, i.e., stand alone and MG-RAST. The probiotic application of T. harzianum in the rhizhosphere soil of black pepper impacted the population dynamics of rhizosphere bacteria, archae, eukaryote as reflected through the selective recruitment of bacteria [Acidobacteriaceae bacterium (p=1...
November 29, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29215548/secondary-metabolic-profiles-of-two-cultivars-of-piper-nigrum-black-pepper-resulting-from-infection-by-fusarium-solani-f-sp-piperis
#16
Shirlley F M da Luz, Lydia F Yamaguchi, Massuo J Kato, Oriel F de Lemos, Luciana P Xavier, José Guilherme S Maia, Alessandra de R Ramos, William N Setzer, Joyce Kelly do R da Silva
Bragantina and Cingapura are the main black pepper ( Piper nigrum L.) cultivars and the Pará state is the largest producer in Brazil with about 90% of national production, representing the third largest production in the world. The infection of Fusarium solani f. sp. piperis , the causal agent of Fusarium disease in black pepper, was monitored on the cultivars Bragantina (susceptible) and Cingapura (tolerant), during 45 days' post infection (dpi). Gas Chromatography-Mass spectrometry (GC-MS) analysis of the volatile concentrates of both cultivars showed that the Bragantina responded with the production of higher contents of α-bisabolol at 21 dpi and a decrease of elemol, mostly at 30 dpi; while Cingapura displayed an decrease of δ-elemene production, except at 15 dpi...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29211848/cloning-and-sequence-analysis-of-10-deacetylbaccatin-iii-10-o-acetyl-transferase-gene-and-wrky1-transcription-factor-from-taxol-producing-endophytic-fungus-lasiodiplodia-theobromea
#17
Balendra Sah, Kamalraj Subban, Jayabaskaran Chelliah
In this study, we have isolated an endophytic fungal strain Lasiodiplodia theobromae from non-Taxus host plant Piper nigrum. The strain L. theobromae identity was confirmed by morphological characteristics and internal transcribed spacer sequence analysis. Taxol produced by L. theobromae was observed to be identical to the authentic taxol as analyzed by chromatography and spectroscopy methods. The quantity of taxol produced by the fungus was estimated to be 247 μg L-1, and fungal taxol showed potent cytotoxic activity towards cancer cell line...
December 29, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29207708/in-vitro-anti-cariogenic-plaque-effects-of-essential-oils-extracted-from-culinary-herbs
#18
Kornsit Wiwattanarattanabut, Suwan Choonharuangdej, Theerathavaj Srithavaj
Introduction: Cariogenic bacteria including mutans streptococci and lactobacilli are partly but significantly involved in dental caries development. An effective prevention strategy against dental caries is to decrease the accumulation of this microbiota either in planktonic or in biofilm form. Aim: To examine the antimicrobial and anti-plaque effects of some culinary herbs (spices), so the herbs are plausibly used as alternative and effective herbal plaque control supplements to promote good oral health...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29176994/antiobesity-potential-of-piperonal-promising-modulation-of-body-composition-lipid-profiles-and-obesogenic-marker-expression-in-hfd-induced-obese-rats
#19
Balaji Meriga, Brahmanaidu Parim, Venkata Rao Chunduri, Ramavat Ravindar Naik, Harishankar Nemani, Pothani Suresh, Saravanan Ganapathy, Satthi Babu Vvu
Background: Black pepper or Piper nigrum is a well-known spice, rich in a variety of bioactive compounds, and widely used in many cuisines across the world. In the Indian traditional systems of medicine, it is used to treat gastric and respiratory ailments. The purpose of this investigation is to study the antihyperlipidemic and antiobesity effects of piperonal in high-fat diet (HFD)-induced obese rats. Methods: Piperonal, an active constituent of Piper nigrum seeds, was isolated and confirmed by HPLC,1 H and13 C NMR spectroscopy...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29169726/piperine-pp-enhanced-mitomycin-c-mmc-therapy-of-human-cervical-cancer-through-suppressing-bcl-2-signaling-pathway-via-inactivating-stat3-nf-%C3%AE%C2%BAb
#20
Shu-Zhai Han, Hong-Xia Liu, Lin-Qing Yang, Li-de Cui, Yun Xu
Piperine (PP), an alkaloid from black and long peppers (Piper nigrum Linn &Piper longum Linn), exhibits antitumor activities in vitro and in vivo. We investigated the ability of piperine (PP) to reverse the drug resistance of human cervical cancer cells. In our study, the cervica cancer cells resistant to mitomycin-C (MMC) treatment were used. We found the growth inhibitory effects of piperine on human cervical cancer cell, which were resistant to MMC. Piperine and MMC co-treatment resulted in a dose-dependent suppression of the cell proliferation...
December 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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