Results 11 to 20 of about 7,092 (202)

Phylogenesis and systematic position of the genus Rhamnus L. [PDF]

open access: yesІнтродукція Рослин, 2017
Objective – to generalize data on the phylogenetic formation and systematic position of the genus Rhamnus L. Material and methods. The study of the systematic position of the family Rhamnaceae and the genus Rhamnus was conducted by scientists on the ...
Yu.V. Zhurzha
doaj   +2 more sources

Synthesis of zinc oxide nanoparticles using the leaves extract of Rhamnus prinoides and its antibacterial activities

open access: yesDiscover Applied Sciences
Zinc oxide nanoparticles (ZnO NPs) are used in many applications. ZnO NPs were synthesized from 20 mL of Rhamnus prinoides plant leaves extract, 0.1 M of Zn (NO3)2.6H2O precursor and 0.5 M of NaOH as a precipitator by the green synthesis method.
Mekuriaw Birhan, Yohannes Misskire
doaj   +2 more sources

Green and facile synthesis of silver nanoparticles (Ag NPs) using Rhamnus prinoides (Gesho) leaf extract for antibacterial, antioxidant and photocatalytic activities

open access: yesNext Nanotechnology
The current work describes a simple and environmentally friendly method of creating silver nanoparticles (AgNPs) by employing leaf extract from Rhamnus prinoides (Gesho) as a capping and reducing agent.
Bekalu Lake Bogale   +5 more
doaj   +2 more sources

Ecological Aspects of Distribution and Population Status Assessment of Rhamnus erythroxyloides subsp. sintenisii (Rich.f) Mabb., a Relict Species in the Kyzylkum Desert of Uzbekistan. [PDF]

open access: yesPlants (Basel)
Rhamnus erythroxyloides subsp. sintenisii (Rech.f.) Mabb. is a relict species occurring on the remnant mountains of Kyzylkum (in Uzbekistan). Up until recently, its population status and exact distribution remained unassessed. The ecological distribution
Shomurodov K   +6 more
europepmc   +2 more sources

Scientific Opinion on additional scientific data related to the safety of preparations of Rheum palmatum L., Rheum officinale Baill. and their hybrids, Rhamnus purshiana DC., Rhamnus frangula L. and Cassia senna L., submitted pursuant to Article 8(4) of Regulation (EC) No 1925/2006 [PDF]

open access: yesEFSA Journal
The Panel on Nutrition, Novel Foods and Food Allergens (NDA) was asked to deliver a scientific opinion on the safety of plant preparations from the root or rhizome of Rheum palmatum L., Rheum officinale Baill.
EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA)   +18 more
doaj   +2 more sources

DOS NUEVAS ESPECIES DE RHAMNUS (RHAMNACEAE) DE OAXACA, MEXICO [PDF]

open access: yesPolibotánica, 1996
Se describen dos especies nuevas de Rhamnus de Oaxaca, México. Rhamnus calderoniae de San Pedro Topiltepec parece estar emparentada con R. rosei M. C. & L. A. Johnston. Rhamnus chimalapensis de San Miguel Chimalapa se asemeja más a R. palmeri S.
Rafael Fernández-Nava
doaj   +3 more sources

Exploring Rhamnus alaternus Polysaccharides: Extraction, Characterization, and Analysis of Antioxidant and Antimicrobial Properties. [PDF]

open access: yesPolymers (Basel)
In the present study, polysaccharides were isolated from the leaves (WSPRaL) and stems (WSPRaS) of Rhamnus alaternus with yields of 3% and 3.25% for WSPRaS and WSPRaL, respectively. Crude WSPRaL was composed of proteins (260.740 ± 0.98 µg/mg), lipids (53.
Chokri S   +5 more
europepmc   +2 more sources

Phytochemical analysis, radical scavenging and glioblastoma U87 cells toxicity studies of stem bark of buckthorn (Rhamnus pentapomica R. Parker). [PDF]

open access: yesBMC Complement Med Ther
During the past two decades, the correlation between oxidative stress and a variety of serious illnesses such as atherosclerosis, chronic obstructive pulmonary disease (COPD), Alzheimer disease (AD) and cancer has been established.
Rehman YU   +5 more
europepmc   +2 more sources

Complete chloroplast genome of sageretia thea (rhamnaceae), an ornamental fruit and medicinal tree [PDF]

open access: yesMitochondrial DNA. Part B. Resources
Sageretia thea (Osbeck) M.C. Johnst (1968) is an important fruit and medicinal species of Rhamnaceae family. The complete chloroplast genome (cp) of Sageretia genus was sequenced and reported for the first time in this study.
Misha Zhan   +3 more
doaj   +2 more sources

Untargeted Metabolomics for Profiling of Cascara, Senna, Rhubarb, and Frangula Metabolites [PDF]

open access: yesMetabolites
Background/Objectives: Natural products containing hydroxyanthracene derivatives (HADs) such as Cascara (Rhamnus purshiana), Frangula (Rhamnus frangula), Rhubarb (Rheum palmatum), and Senna (Cassia angustifolia) have long been used for their laxative ...
Paola Nezi   +7 more
doaj   +2 more sources

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