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https://www.readbyqxmd.com/read/29791313/acute-and-subacute-toxicity-of-aqueous-extract-of-the-tuber-of-kedrostis-africana-l-cogn-in-wistar-rats
#1
Jeremiah Oshiomame Unuofin, Gloria Aderonke Otunola, Anthony Jide Afolayan
Kedrostis africana (L.) Cogn (Cucurbitaceae) is used in South African traditional medicine and pharmacopoeia as an emetic, purgative and diuretic, and it is used against dropsy in the management of obesity. Aim of the study In this study, acute and subacute toxicity of aqueous extract of K. africanatuber was evaluated in male and female Wistar rats in order to assess its safety profile. Materials and methods In acute toxicity, the effects of a single oral dose (2,000 and 5,000 mg/kg) of aqueous extract was determined in both sexes...
May 23, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29790688/loganic-acid-and-anthocyanins-from-cornelian-cherry-cornus-mas-l-fruits-modulate-diet-induced-atherosclerosis-and-redox-status-in-rabbits
#2
Tomasz Sozański, Alicja Z Kucharska, Stanisław Dzimira, Jan Magdalan, Dorota Szumny, Agnieszka Matuszewska, Beata Nowak, Narcyz Piórecki, Adam Szeląg, Małgorzata Trocha
BACKGROUND: Cornelian cherry (Cornus mas L.) is a plant growing in southeast Europe, in the past used in folk medicine. There are many previous publications showing the preventive effects of (poly)phenolic compounds, especially anthocyanins, on cardiovascular diseases, but there is a lack of studies comparing the effects of (poly)phenolics and other constituents of fruits. OBJECTIVES: We have attempted to determine if iridoids and anthocyanins from cornelian cherry fruits may affect the formation of atherosclerotic plaques in the aorta as well as lipid peroxidation and oxidative stress in the livers of cholesterol-fed rabbits...
April 25, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29789671/wild-and-domesticated-moringa-oleifera-differ-in-taste-glucosinolate-composition-and-antioxidant-potential-but-not-myrosinase-activity-or-protein-content
#3
Gwen M Chodur, Mark E Olson, Kristina L Wade, Katherine K Stephenson, Wasif Nouman, Garima, Jed W Fahey
Taste drives consumption of foods. The tropical tree Moringa oleifera is grown worldwide as a protein-rich leafy vegetable and for the medicinal value of its phytochemicals, in particular its glucosinolates, which can lead to a pronounced harsh taste. All studies to date have examined only cultivated, domestic variants, meaning that potentially useful variation in wild type plants has been overlooked. We examine whether domesticated and wild type M. oleifera differ in myrosinase or glucosinolate levels, and whether these different levels impact taste in ways that could affect consumption...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789647/microbial-production-of-novel-sulphated-alkaloids-for-drug-discovery
#4
Eitaro Matsumura, Akira Nakagawa, Yusuke Tomabechi, Shinichi Ikushiro, Toshiyuki Sakaki, Takane Katayama, Kenji Yamamoto, Hidehiko Kumagai, Fumihiko Sato, Hiromichi Minami
Natural products from plants are useful as lead compounds in drug discovery. Plant benzylisoquinoline alkaloids (BIAs) exhibit various pharmaceutical activities. Although unidentified BIAs are expected to be of medicinal value, sufficient quantities of such BIAs, for biological assays, are sometimes difficult to obtain due to their low content in natural sources. Here, we showed that high productivity of BIAs in engineered Escherichia coli could be exploited for drug discovery. First, we improved upon the previous microbial production system producing (S)-reticuline, an important BIA intermediate, to obtain yields of around 160 mg/L, which was 4-fold higher than those of the previously reported highest production system...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29787847/leaves-and-stem-bark-from-allophylus-africanus-p-beauv-an-approach-to-anti-inflammatory-properties-and-characterization-of-their-flavonoid-profile
#5
Federico Ferreres, Nelson G M Gomes, Patrícia Valentão, David M Pereira, Angel Gil-Izquierdo, Luísa Araújo, Tânia C Silva, Paula B Andrade
The small tree Allophylus africanus, widespread in the African continent, has long been considered valuable, as noted by the number of reports on their multiple medicinal uses. With this work, we aimed to extend the current, and so far restricted, knowledge on the chemical composition of the plant, particularly as source of flavonoids, as well as to assess its potential anti-inflammatory properties. The chemical characterization of the aqueous extract obtained from the leaves allowed the identification and quantitation of 30 flavones, predominantly apigenin derivatives, but also four luteolin derivatives, while the stem bark extract was solely characterized by apigenin di-C-glycosides and mono-C-glycosides-O-glycosylated...
May 19, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29787442/epidemiology-of-late-health-effects-in-ukrainian-chornobyl-cleanup-workers
#6
Dimitry Bazyka, Anatoly Prysyazhnyuk, Natalya Gudzenko, Iryna Dyagil, David Belyi, Vadim Chumak, Volodymyr Buzunov
This article summarizes the results of 30 y of follow-up of cancer and noncancer effects in Ukrainian cleanup workers after the Chornobyl accident. The number of power plant employees and first responders with acute radiation syndrome under follow-up by the National Research Center for Radiation Medicine decreased from 179 in 1986-1991 to 105 in 2011-2015. Cancers and leukemia (19) and cardiovascular diseases (21) were the main causes of deaths among acute radiation syndrome survivors (54) during the postaccident period...
July 2018: Health Physics
https://www.readbyqxmd.com/read/29787299/the-influences-of-thermal-processing-on-phytochemicals-and-possible-routes-to-the-discovery-of-new-phytochemical-conjugates
#7
Fai-Chu Wong, Tsun-Thai Chai, Jianbo Xiao
In our diets, many of the consumed foods are subjected to various forms of heating and thermal processing. Besides enhancing the taste, texture, and aroma of the foods, heating helps to sterilize and facilitate food storage. On the other hand, heating and thermal processing are frequently reported during the preparation of various traditional herbal medicines. In this review, we intend to highlight works by various research groups which reported on changes in phytochemicals and bioactivities, following thermal processing of selected plant-derived foods and herbal medicines...
May 22, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29787239/catalytic-bases-and-stereo-control-in-lamiaceae-class-ii-diterpene-cyclases
#8
Samuel Schulte, Kevin Potter, Cody Lemke, Reuben J Peters
Plants from the widespread Lamiaceae family produce many labdane-related diterpenoids, a number of which serve medicinal roles, and whose biosynthesis is initiated by class II diterpene cyclases (DTCs). These enzymes utilize a general acid-base catalyzed cyclo-isomerization reaction to produce various stereoisomers of the eponymous labdaenyl carbocation intermediate, which can then undergo rearrangement and/or the addition of water prior to terminating deprotonation. Identification of the pair of residues that cooperatively serve as the catalytic base in the DTCs that produce ent-copalyl diphosphate (CPP) required for gibberellin phytohormone biosynthesis in all vascular plants has led to insight into the addition of water as well as rearrangement...
May 22, 2018: Biochemistry
https://www.readbyqxmd.com/read/29786916/herbal-medicine-as-a-promising-therapeutic-approach-for-the-management-of-vascular-dementia-a-systematic-literature-review
#9
REVIEW
Adel Ghorani-Azam, Samaneh Sepahi, Elham Khodaverdi, Seyed Ahmad Mohajeri
Vascular dementia (VaD) generally refers to memory deficits and cognitive abnormalities that are resulted from vascular disease. In this study, we aimed to systematically review the literature wherein therapeutic effects of medicinal plants have been studied on VaD. A systematic literature search was performed in the PubMed, Scopus, Web of Science, Google Scholar, and other databases using VaD, and medicinal plants as key terms. No strict inclusion criteria were defined, and almost all clinical studies were included...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29785774/thymol-thyme-and-other-plant-sources-health-and-potential-uses
#10
REVIEW
Bahare Salehi, Abhay Prakash Mishra, Ila Shukla, Mehdi Sharifi-Rad, María Del Mar Contreras, Antonio Segura-Carretero, Hannane Fathi, Nafiseh Nasri Nasrabadi, Farzad Kobarfard, Javad Sharifi-Rad
Thymol is a naturally occurring phenol monoterpene derivative of cymene and isomer of carvacrol. Thymol (10-64%) is one of the major constituent of essential oils of thyme (Thymus vulgaris L., Lamiaceae), a medicinal plant with several therapeutic properties. This plant, native to Mediterranean regions, is commonly used as a culinary herb and also with a long history of use for different medicinal purposes. Nowadays, thymol and thyme present a wide range of functional possibilities in pharmacy, food, and cosmetic industry...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29785743/four-new-diterpenoid-alkaloids-from-the-roots-of-aconitum-carmichaelii
#11
Yu Li, Feng Gao, Ji-Fa Zhang, Xian-Li Zhou
Aconitum carmichaelii, belonging to the Ranunculaceae family, is mainly distributed and cultivated in southwestern China. Its parent and lateral roots, two well-known traditional medicinal materials, are commonly called as "Chuanwu" and "Fuzi" in China, respectively. A. carmichaelii is widely used for the treatment of cadianeuria, neuralgia, and rheumatalgia in Chinese medicine. According to the pharmacology studies, diterpenoid alkaloids accounted for the major effects and toxicity of this plant, such as hypaconitine, mesaconitine, aconitine...
May 21, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29785715/current-advances-in-screening-for-bioactive-components-from-medicinal-plants-by-affinity-ultrafiltration-mass-spectrometry
#12
Guilin Chen, Bill X Huang, Mingquan Guo
INTRODUCTION: Medicinal plants have played an important role in maintaining human health for thousands of years. However, the interactions between the active components in medicinal plants and some certain biological targets during a disease are still unclear in most cases. OBJECTIVE: To conduct the high-throughput screening for small active molecules that can interact with biological targets, which is of great theoretical significance and practical value. METHODOLOGY: The ultrafiltration mass spectrometry (UF-LC/MS) is a powerful bio-analytical method by combining affinity ultrafiltration and liquid chromatography-mass spectrometry (LC/MS), which could rapidly screen and identify small active molecules that bind to biological targets of interest at the same time...
May 21, 2018: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/29785194/genus-spondias-a-phytochemical-and-pharmacological-review
#13
REVIEW
Salma Sameh, Eman Al-Sayed, Rola M Labib, Abdel Nasser Singab
It is believed that many degenerative diseases are due to oxidative stress. In view of the limited drugs available for treating degenerative diseases, natural products represent a promising therapeutic strategy in the search for new and effective candidates for treating degenerative diseases. This review focuses on the genus Spondias which is widely used in traditional medicine for the treatment of many diseases. Spondias is a genus of flowering plants belonging to the cashew family (Anacardiaceae). This genus comprises 18 species distributed across tropical regions in the world...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29785193/gallnuts-a-potential-treasure-in-anticancer-drug-discovery
#14
REVIEW
Jiayu Gao, Xiao Yang, Weiping Yin, Ming Li
Introduction. In the discovery of more potent and selective anticancer drugs, the research continually expands and explores new bioactive metabolites coming from different natural sources. Gallnuts are a group of very special natural products formed through parasitic interaction between plants and insects. Though it has been traditionally used as a source of drugs for the treatment of cancerous diseases in traditional and folk medicinal systems through centuries, the anticancer properties of gallnuts are barely systematically reviewed...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29784973/significance-of-prohibitin-domain-family-in-tumorigenesis-and-its-implication-in-cancer-diagnosis-and-treatment
#15
Jie Yang, Bin Li, Qing-Yu He
Prohibitin (PHB) was originally isolated and characterized as an anti-proliferative gene in rat liver. The evolutionarily conserved PHB gene encodes two human protein isoforms with molecular weights of ~33 kDa, PHB1 and PHB2. PHB1 and PHB2 belong to the prohibitin domain family, and both are widely distributed in different cellular compartments such as the mitochondria, nucleus, and cell membrane. Most studies have confirmed differential expression of PHB1 and PHB2 in cancers compared to corresponding normal tissues...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29783752/pro-apoptotic-and-anti-cancer-properties-of-diosgenin-a-comprehensive-and-critical-review
#16
REVIEW
Gautam Sethi, Muthu K Shanmugam, Sudha Warrier, Myriam Merarchi, Frank Arfuso, Alan Prem Kumar, Anupam Bishayee
Novel and alternative options are being adopted to combat the initiation and progression of human cancers. One of the approaches is the use of molecules isolated from traditional medicinal herbs, edible dietary plants and seeds that play a pivotal role in the prevention/treatment of cancer, either alone or in combination with existing chemotherapeutic agents. Compounds that modulate these oncogenic processes are potential candidates for cancer therapy and may eventually make it to clinical applications. Diosgenin is a naturally occurring steroidal sapogenin and is one of the major bioactive compounds found in dietary fenugreek ( Trigonella foenum-graecum ) seeds...
May 19, 2018: Nutrients
https://www.readbyqxmd.com/read/29779483/a-review-on-pharmacological-and-clinical-aspects-of-linum-usitatissimum-l
#17
Ramin Ansari, Mohammad Mehdi Zarshenas, Amir Hossein Dadbakhsh
INTRODUCTION AND BACKGROUND: Linum usitatissimum L., known as common Flax or linseed, from the family Linnaceae, has long been cultivated in different nations due to its applications in medicine and industry. The present study aims to collect nearly all available information about chemical constituents of Flax, as well as pharmacological properties and confirmed clinical usages of it. METHODS: We searched through databases such as Scopus and PubMed for relevant literatures using the keywords: (Linum usitatissimum), (pharmacology) and (phytochemical) from the beginning to 13 Aug 2017...
May 20, 2018: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/29778318/quality-specifications-for-articles-of-botanical-origin-from-the-united-states-pharmacopeia
#18
Cuiying Ma, Hellen Oketch-Rabah, Nam-Cheol Kim, Maria Monagas, Anton Bzhelyansky, Nandakumara Sarma, Gabriel Giancaspro
BACKGROUND: In order to define appropriate quality of botanical dietary supplements, botanical drugs, and herbal medicines, the United States Pharmacopeia (USP) and the Herbal Medicines Compendium (HMC) contain science-based quality standards that include multiple interrelated tests to provide a full quality characterization for each article in terms of its identity, purity, and content. PURPOSE: To provide a comprehensive description of the pharmacopeial tests and requirements for articles of botanical origin in the aforementioned compendia...
April 10, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29778018/phytochemistry-and-pharmacology-of-anti-depressant-medicinal-plants-a-review
#19
REVIEW
Jeanette Martins, Brijesh S
Stress renders an individual to experience mental pressure and exhaustion which brings about feelings of anxiety, depression, anger and/or other negative emotions. Depression affects a person's state of mind, behaviour, health and is often associated with suicide. The use of anti-depressant drugs as therapeutic agents is associated with symptoms such as, delayed onset of action, side-effects, drug-drug and dietary interactions, sexual dysfunction, cardiac toxicity, etc. Thus, there is need to target these issues and improve current treatment options...
May 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29777901/interrogation-of-ethnomedicinal-plants-for-synthetic-lethality-effects-in-combination-with-deficiency-in-the-dna-repair-endonuclease-rad1-using-a-yeast-cell-based-assay
#20
Hsu Mon Aung, Chananya Huangteerakul, Wittaya Panvongsa, Amornrat N Jensen, Arthit Chairoungdua, Suchada Sukrong, Laran T Jensen
ETHNOPHARMACOLOGICAL RELEVANCE: Plant materials used in this study were selected based on the ethnobotanical literature. Plants have either been utilized by Thai practitioners as alternative treatments for cancer or identified to exhibit anti-cancer properties. AIM OF THE STUDY: To screen ethnomedicinal plants using a yeast cell-based assay for synthetic lethal interactions with cells deleted for RAD1, the yeast homologue of human ERCC4 (XPF) MATERIALS AND METHODS: Ethanolic extracts from thirty-two species of medicinal plants utilized in Thai traditional medicine were screened for synthetic lethal/sick interactions using a yeast cell-based assay...
May 16, 2018: Journal of Ethnopharmacology
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