keyword
MENU ▼
Read by QxMD icon Read
search

plant extracts

keyword
https://www.readbyqxmd.com/read/27915376/eco-friendly-approach-for-nanoparticles-synthesis-and-mechanism-behind-antibacterial-activity-of-silver-and-anticancer-activity-of-gold-nanoparticles
#1
REVIEW
Maheshkumar Prakash Patil, Gun-Do Kim
This review covers general information about the eco-friendly process for the synthesis of silver nanoparticles (AgNP) and gold nanoparticles (AuNP) and focuses on mechanism of the antibacterial activity of AgNPs and the anticancer activity of AuNPs. Biomolecules in the plant extract are involved in reduction of metal ions to nanoparticle in a one-step and eco-friendly synthesis process. Natural plant extracts contain wide range of metabolites including carbohydrates, alkaloids, terpenoids, phenolic compounds, and enzymes...
December 3, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27915173/effect-of-prolonged-water-stress-on-essential-oil-content-compositions-and-gene-expression-patterns-of-mono-and-sesquiterpene-synthesis-in-two-oregano-origanum-vulgare-l-subspecies
#2
Mohammad Reza Morshedloo, Lyle E Craker, Alireza Salami, Vahideh Nazeri, Hyunkyu Sang, Filippo Maggi
Origanum vulgare L., recognized throughout the world as a popular medicinal and flavoring herb, contains a wide array of medicinally active components, including phenolic glucosides, flavonoids, tannins, sterols and high amounts of terpenoids. Especially the latter are often extracted by hydrodistillation resulting in the so-called essential oil that is rich in monoterpenes (e.g. carvacrol, thymol, linalyl acetate) and/or sesquiterpenes (e.g. (E)-β-caryophyllene, germacrene D, bicyclogermacrene, β-caryophyllene oxide)...
November 28, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27914344/evaluation-of-thymus-vulgaris-plant-extract-as-an-eco-friendly-corrosion-inhibitor-for-stainless-steel-304-in-acidic-solution-by-means-of-electrochemical-impedance-spectroscopy-electrochemical-noise-analysis-and-density-functional-theory
#3
A Ehsani, M G Mahjani, M Hosseini, R Safari, R Moshrefi, H Mohammad Shiri
Inhibition performance of Thymus vulgaris plant leaves extract (thyme) as environmentally friendly (green) inhibitor for the corrosion protection of stainless steel (SS) type 304 in 1.0molL(-1) HCl solution was studied by potentiodynamic polarization, electrochemical impedance (EIS) and electrochemical noise measurements (EN) techniques. The EN data were analyzed with FFT technique to make the spectral power density plots. The calculations were performed by MATLAB 2014a software. Geometry optimization and calculation of the structural and electronic properties of the molecular system of inhibitor have been carried out using UB3LYP/6-311++G(∗∗) level...
November 16, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27914022/alkaline-protease-production-from-brevibacterium-luteolum-mtcc-5982-under-solid-state-fermentation-and-its-application-for-sulfide-free-unhairing-of-cowhides
#4
R Renganath Rao, M Vimudha, N R Kamini, M K Gowthaman, B Chandrasekran, P Saravanan
Enzyme-based unhairing in replacement of conventional lime sulfide system has been attempted as an alternative for tackling pollution. The exorbitant cost of enzyme and the need for stringent process control need to be addressed yet. This study developed a mechanism for regulated release of protease from cheaper agro-wastes, which overcomes the necessity for stringent process control along with total cost reduction. The maximum protease activity of 1193.77 U/g was obtained after 96 h of incubation with 15% inoculum of the actinomycete strain Brevibacterium luteolum (MTCC 5982) under solid-state fermentation (SSF)...
December 2, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27913905/proteins-immunologically-related-to-map65-1-accumulate-and-localize-differentially-during-bud-development-in-vitis-vinifera-l
#5
Luigi Parrotta, Claudia Faleri, Mauro Cresti, Giampiero Cai
Various arrays of microtubules are present throughout the plant cell cycle and are involved in distinct functions. Microtubule-associated proteins (MAPs) regulate microtubule dynamics by acting as stabilizers, destabilizers, and promoters of microtubule dynamics. The MAP65 family is a specific group of cross-linkers required for structural maintenance of microtubules. In plants, different isoforms of MAP65 are differentially expressed according to their developmental program. In this work, we analyzed the differential distribution of proteins immunologically related to MAP65-1 during bud development in grapevine (Vitis vinifera L...
December 2, 2016: Protoplasma
https://www.readbyqxmd.com/read/27912884/synergism-of-coumarins-from-the-chinese-drug-zanthoxylum-nitidum-with-antibacterial-agents-against-methicillin-resistant-staphylococcus-aureus-mrsa
#6
Guo-Ying Zuo, Chun-Juan Wang, Jun Han, Yu-Qing Li, Gen-Chun Wang
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) poses a serious therapeutic challenge in current clinic and new drug development. Natural coumarins have diverse bioactivities and the potential of resistance modifying effects. PURPOSE: This study is to present in-depth evaluations of in vitro antimicrobial activities of four natural coumarins 5-geranyloxy-7-methoxycoumarin (Gm, 1), (5,7-dimethoxy-8-prenyloxycoumarin (artanin, Ar, 2)), isopimpinellin (Is, 3) and phellopterin (Ph, 4) from Zanthoxylum nitidum (Roxb...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912882/tenuifolin-a-saponin-derived-from-radix-polygalae-exhibits-sleep-enhancing-effects-in-mice
#7
Qing Cao, Yong Jiang, Su-Ying Cui, Peng-Fei Tu, Yue-Mei Chen, Xiao-Li Ma, Xiang-Yu Cui, Yuan-Li Huang, Hui Ding, Jin-Zhi Song, Bin Yu, Zhao-Fu Sheng, Zi-Jun Wang, Ya-Ping Xu, Guang Yang, Hui Ye, Xiao Hu, Yong-He Zhang
BACKGROUND: Radix Polygalae, the dried root of Polygala tenuifolia, has been extensively used as a traditional Chinese medicine for promoting intelligence and tranquilization. Polygalasaponins extracted from the root of P. tenuifolia possess evident anxiolytic and sedative-hypnotic activities. Previous studies have reported that tenuifolin was a major constituent of polygalasaponins. PURPOSE: The currently study aims to investigate the hypnotic effect and possible mechanism of tenuifolin in freely moving mice...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912872/anti-allergic-potential-of-typhonium-blumei-inhibition-of-degranulation-via-suppression-of-pi3k-plc%C3%AE-2-phosphorylation-and-calcium-influx
#8
Michal Korinek, Kuan-Ming Chen, Yu-Han Jiang, Mohamed El-Shazly, Joel Stocker, Chon-Kit Chou, Tsong-Long Hwang, Yang-Chang Wu, Bing-Hung Chen, Fang-Rong Chang
BACKGROUND: Typhonium blumei Nicolson & Sivadasan (Araceae) is a traditional Chinese medicinal herb possessing detumescent, detoxifying, and anti-inflammatory activities. It is used in Taiwan as a folk medicine to treat cancer and inflammatory diseases. Typhonium blumei is usually not distinguished from Typhonium roxburghii Schott and they are commonly used interchangeably. PURPOSE: To evaluate and compare the anti-allergic and anti-inflammatory properties of T...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27912751/anti-aging-and-tyrosinase-inhibition-effects-of-cassia-fistula-flower-butanolic-extract
#9
Pornngarm Limtrakul, Supachai Yodkeeree, Pilaiporn Thippraphan, Wanisa Punfa, Jatupol Srisomboon
BACKGROUND: Natural products made from plant sources have been used in a variety of cosmetic applications as a source of nutrition and as a whitening agent. The flowers of Cassia fistula L, family Fabaceae, have been used as a traditional medicine for skin diseases and wound healing and have been reported to possess anti-oxidant properties. The anti-aging effect of C. fistula flower extract on human skin fibroblast was investigated. METHODS: The butanolic extraction of C...
December 3, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27912317/production-of-bacillus-amyloliquefaciens-og-and-its-metabolites-in-renewable-media-valorisation-for-biodiesel-production-and-p-xylene-decontamination
#10
Augusto Etchegaray, François Coutte, Gabrielle Chataigné, Max Béchet, Ramon H Z Dos Santos, Valérie Leclère, Philippe Jacques
Biosurfactants are important in many areas; however, costs impede large-scale production. This work aimed to develop a global sustainable strategy for the production of biosurfactants by a novel strain of Bacillus amyloliquefaciens. Initially, Bacillus sp. strain 0G was renamed B. amyloliquefaciens subsp. plantarum (syn. Bacillus velezensis) after analysis of the gyrA and gyrB DNA sequences. Growth in modified Landy's medium produced 3 main recoverable metabolites: surfactin, fengycin, and acetoin, which promote plant growth...
September 2, 2016: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/27912150/calea-uniflora-less-attenuates-the-inflammatory-response-to-carrageenan-induced-pleurisy-in-mice
#11
Julia Salvan da Rosa, Silvana Virginia Gagliotti Vigil de Mello, Geison Vicente, Yeo Jim K Moon, Felipe Perozzo Daltoé, Tamires Cardoso Lima, Rafaela de Jesus Souza, Maique Weber Biavatti, Tânia Silvia Fröde
Calea uniflora Less. (family Asteraceae), also named "arnica" and "erva-de-lagarto", is a native plant to the South and Southeast of Brazil. This species was used to treat rheumatism, respiratory diseases, and digestive problems in Brazilian folk medicine. In vitro studies have shown the important biological effects of C. uniflora. However no studies have focused on the mechanism of action of anti-inflammatory activity of C. uniflora. The aim of this study was to evaluate the anti-inflammatory effects of the crude extract, its fractions, and isolated compounds obtained from of C...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27911415/extraction-of-plant-based-capsules-for-microencapsulation-applications
#12
Michael G Potroz, Raghavendra C Mundargi, Jae Hyeon Park, Ee-Lin Tan, Nam-Joon Cho
Microcapsules derived from plant-based spores or pollen provide a robust platform for a diverse range of microencapsulation applications. Sporopollenin exine capsules (SECs) are obtained when spores or pollen are processed so as to remove the internal sporoplasmic contents. The resulting hollow microcapsules exhibit a high degree of micromeritic uniformity and retain intricate microstructural features related to the particular plant species. Herein, we demonstrate a streamlined process for the production of SECs from Lycopodium clavatum spores and for the loading of hydrophilic compounds into these SECs...
November 9, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911404/using-capillary-electrophoresis-to-quantify-organic-acids-from-plant-tissue-a-test-case-examining-coffea-arabica-seeds
#13
Michael Joe Vaughan, Ann Chanon, Joshua J Blakeslee
Carboxylic acids are organic acids containing one or more terminal carboxyl (COOH) functional groups. Short chain carboxylic acids (SCCAs; carboxylic acids containing three to six carbons), such as malate and citrate, are critical to the proper functioning of many biological systems, where they function in cellular respiration and can serve as indicators of cell health. In foods, organic acid content can have significant impact on taste, with increased SCCA levels resulting in a sour or "acid" taste. Because of this, methods for the rapid analysis of organic acid levels are of particular interest to the food and beverage industries...
November 12, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911400/visualizing-stromule-frequency-with-fluorescence-microscopy
#14
Jacob O Brunkard, Anne M Runkel, Patricia Zambryski
Stromules, or "stroma-filled tubules", are narrow, tubular extensions from the surface of the chloroplast that are universally observed in plant cells but whose functions remain mysterious. Alongside growing attention on the role of chloroplasts in coordinating plant responses to stress, interest in stromules and their relationship to chloroplast signaling dynamics has increased in recent years, aided by advances in fluorescence microscopy and protein fluorophores that allow for rapid, accurate visualization of stromule dynamics...
November 23, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910757/free-radical-scavenging-activities-of-cultured-mycelia-of-paecilomyces-hepiali-ascomycetes-extracts-and-structural-characterization-of-bioactive-components-by-nuclear-magnetic-resonance-spectroscopy
#15
Lucia Ungvarska Mal'ucka, Jarmila Harvanova, Martin Pavlik, Martin Rajtar, Lukas Jarosciak
Current research is focused on testing the cultivation of Paecilomyces hepiali mycelia on various plant substrates and producing fungus or mycelial biomass with qualitatively interesting substances. P. hepiali mycelia was cultivated using solid-state fermentation of different substrates. Mycelial biomass was then analyzed, and antioxidant activity was evaluated using the DPPH radical scavenging method for different ethanolic extracts based on a millet substrate (extract 1) or a chickpea substrate (extract 2)...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910164/hplc-uv-and-lc-ms-analyses-of-acylquinic-acids-in-geigeria-alata-dc-oliv-hiern-and-their-contribution-to-antioxidant-and-antimicrobial-capacity
#16
Dimitrina Zheleva-Dimitrova, Reneta Gevrenova, Maya M Zaharieva, Hristo Najdenski, Silviya Ruseva, Valentin Lozanov, Vessela Balabanova, Sakina Yagi, Georgi Momekov, Vanio Mitev
INTRODUCTION: Geigeria alata is a traditional plant used in Sudanese folk medicine for treatment of diabetes, cough, epilepsy and intestinal complaints. OBJECTIVE: To analyze phenolic acids in Geigeria alata roots and leaves and to evaluate their antioxidant and antimicrobial activities. METHODOLOGY: Phenolic acids in the aqueous-methanol extracts were identified by LC-MS. Major compounds were isolated using low-pressure liquid chromatography...
December 1, 2016: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/27910158/hptlc-bioautography-guided-isolation-of-%C3%AE-glucosidase-inhibiting-compounds-from-justicia-secunda-vahl-acanthaceae
#17
Barbara A Theiler, Stefanie Istvanits, Martin Zehl, Laurence Marcourt, Ernst Urban, Lugardo O Espinoza Caisa, Sabine Glasl
INTRODUCTION: α-Glucosidase inhibitors form an essential basis for the development of novel drugs in diabetes type 2 treatment. Searching for α-glucosidase inhibitors in plants, TLC bioautographic assays have been established and improved within the last years. In traditional medicine, extracts from the leaves of Justicia secunda Vahl are used to treat diabetes mellitus symptoms. OBJECTIVE: To screen for α-glucosidase inhibitors in J. secunda via HPTLC bioautography...
December 2, 2016: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/27909993/impact-of-culture-conditions-on-the-chlorophyll-content-of-microalgae-for-biotechnological-applications
#18
REVIEW
Veronica da Silva Ferreira, Celso Sant'Anna
Chlorophyll is a commercially important natural green pigment responsible for the absorption of light energy and its conversion into chemical energy via photosynthesis in plants and algae. This bioactive compound is widely used in the food, cosmetic, and pharmaceutical industries. Chlorophyll has been consumed for health benefits as a nutraceutical agent with antioxidant, anti-inflammatory, antimutagenic, and antimicrobial properties. Microalgae are photosynthesizing microorganisms which can be extracted for several high-value bioproducts in the biotechnology industry...
January 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27909913/plant-extracts-as-phytogenic-additives-considering-intake-digestibility-and-feeding-behavior-of-sheep
#19
Camila Sousa da Silva, Evaristo Jorge Oliveira de Souza, Gerfesson Felipe Cavalcanti Pereira, Edwilka Oliveira Cavalcante, Ewerton Ivo Martins de Lima, Thaysa Rodrigues Torres, José Ricardo Coelho da Silva, Daniel Cézar da Silva
The objective was to evaluate the intake, digestibility, and ingestive sheep behavior with feeding phytogenic additives derived from plant extracts. Five non-emasculated sheep without defined breed at 28 ± 1.81 kg initial body weight and 6 months age were used. Treatments consisted of administering four phytogenic additives from the garlic extracts, coriander seed, oregano, and pods of mesquite, plus a control treatment (without additive). The ration was composed of Tifton 85 hay grass, corn, soybean meal, and mineral salt...
December 1, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27908424/first-comprehensive-study-on-total-contents-and-hot-water-extractable-fraction-of-selected-elements-in-19-medicinal-plants-from-various-locations-in-nyamira-county-kenya
#20
Volker Nischwitz, Richard Mogwasi, Salim Zor, Zachary Getenga, David K Kariuki, Klaus Günther
A large number of medicinal plants is traditionally known in Kenya and used for treatment of various diseases, for example diabetes, where metals are supposed to be involved in pathogenesis and therapy. Therefore, detailed investigation of the concentration of a large number of metals in medicinal plants is required for improved understanding and optimisation of the therapeutic role of metals and also to exclude potentially toxic effects. Our study focused on the determination of 30 selected elements in 19 medicinal plant species each collected from 3 sampling locations in Nyamira County, Kenya...
January 2017: Journal of Trace Elements in Medicine and Biology
keyword
keyword
36060
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"