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https://www.readbyqxmd.com/read/28930667/phenylpropanoid-profiling-reveals-a-class-of-hydroxycinnamoyl-glucaric-acid-conjugates-in-isatis-tinctoria-leaves
#1
Thi-Kieu-Oanh Nguyen, Arash Jamali, Eric Grand, Kris Morreel, Paulo Marcelo, Eric Gontier, Rebecca Dauwe
The brassicaceous herb, Isatis tinctoria, is an ancient medicinal plant whose rosette leaf extracts have anti-inflammatory and anti-allergic activity. Brassicaceae are known to accumulate a variety of phenylpropanoids in their rosette leaves acting as antioxidants and a UV-B shield, and these compounds often have pharmacological potential. Nevertheless, knowledge about the phenylpropanoid content of I. tinctoria leaves remains limited to the characterization of a number of flavonoids. In this research, we profiled the methanol extracts of I...
September 17, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28930608/anti-tick-vaccines-in-the-omics-era
#2
Manuel Rodriguez Valle, Felix D Guerrero
Tick vaccines have been available for more than 20 years. They are useful and effective control agents when used properly. However, no new products have emerged since the Bm86-based Gavac vaccine was commercialized. Acaricide resistance is a problem with no abatement in sight and anti-tick vaccines are likely to be relied upon even more in the coming years. As human medicine and plant agriculture has embraced the various Omics technologies, the search for anti-tick vaccines would be well served to follow; so that new vaccine antigens and adjuvants might be developed to assist tick control programs...
January 1, 2018: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28930281/the-genus-artemisia-a-2012-2017-literature-review-on-chemical-composition-antimicrobial-insecticidal-and-antioxidant-activities-of-essential-oils
#3
REVIEW
Abhay K Pandey, Pooja Singh
Essential oils of aromatic and medicinal plants generally have a diverse range of activities because they possess several active constituents that work through several modes of action. The genus Artemisia includes the largest genus of family Asteraceae has several medicinal uses in human and plant diseases aliments. Extensive investigations on essential oil composition, antimicrobial, insecticidal and antioxidant studies have been conducted for various species of this genus. In this review, we have compiled data of recent literature (2012-2017) on essential oil composition, antimicrobial, insecticidal and antioxidant activities of different species of the genus Artemisia...
September 12, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930279/comparative-evaluation-of-oxidative-stress-modulating-and-dna-protective-activities-of-aqueous-and-methanolic-extracts-of-acacia-catechu
#4
Ashwini Patil, Manisha Modak
Background: Plant-derived bioactive compounds are becoming immensely important as potential drugs. Different solvents are being used for extraction of these phytochemicals. Evaluation of biological activities of aqueous plant extracts is important as water soluble compounds would be more beneficial with respect to certification, safety and commercial issues. Oxidative stress is involved in development of many diseases; therefore, antioxidants are now being looked upon as convincing therapeutics against such diseases...
September 5, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930277/biological-activities-of-three-essential-oils-of-the-lamiaceae-family
#5
REVIEW
Gema Nieto
Herbs and spices have been used since ancient times to improve the sensory characteristics of food, to act as preservatives and for their nutritional and healthy properties. Herbs and spices are generally recognized as safe (GRAS) and are excellent substitutes for chemical additives. Essential oils are mixtures of volatile compounds obtained, mainly by steam distillation, from medicinal and aromatic plants. They are an alternative to synthetic additives for the food industry, and they have gained attention as potential sources for natural food preservatives due to the growing interest in the development of safe, effective, natural food preservation...
August 23, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930267/%C3%AE-selinene-rich-essential-oils-from-the-parts-of-callicarpa-macrophylla-and-their-antioxidant-and-pharmacological-activities
#6
Mahesh Chandra, Om Prakash, Ravendra Kumar, Rakesh Kumar Bachheti, Brij Bhushan, Mahesh Kumar, Anil Kumar Pant
Background:Callicarpa macrophylla (Varbenaceae) is a medicinal shrub and is traditionally used in India, China, and South Asia. Methods: The plant material was collected from lower Himalayan region of Uttarakhand in India. The essential oils from three different aerial parts were analyzed by GC-MS. Antioxidant activity, phenolic assay, and various pharmacological activities were determined by using existing methods which are generally practiced widely. Results: Over 51, 53, and 40 compounds were identified in C...
July 10, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930265/a-review-on-ethno-medicinal-and-pharmacological-activities-of-sphenocentrum-jollyanum-pierre
#7
REVIEW
Olubukola Sinbad Olorunnisola, Olumide Samuel Fadahunsi, Peter Adegbola
Sphenocentrum jollyanum Pierre is a member of a diverse family of plants known as Menispermaceae. They are famous for a plethora of important biological functions. S. jollyanum is a shrub native to the tropical forest zones of West Africa and thrives in deep shade. It is widely cultivated in Cameroun, Sierra Leone, Nigeria, Ghana, and Côte d'Ivoire. S. jollyanum is employed in folk medicine as a cure for wounds, fever, coughs, high blood pressure, breast tumor, constipation, and as an aphrodisiac. Phytochemical investigations revealed that the plant is a rich source of secondary metabolites such as annin, alkaloids, saponins, and flavonoids...
July 3, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930264/essential-oil-from-piper-aduncum-chemical-analysis-antimicrobial-assessment-and-literature-review
#8
Lianet Monzote, Ramón Scull, Paul Cos, William N Setzer
Background: The challenge in antimicrobial chemotherapy is to find safe and selective agents with potency that will not be compromised by previously developed resistance. Terrestrial plants could provide new leads to antibacterial, antifungal, or antiprotozoal activity. Methods: The essential oil (EO) of Piper aduncum L. (Piperaceae) from Cuba was analyzed by gas chromatography-mass spectrometry (GC-MS). A cluster analysis of P. aduncum EO compositions reported in the literature was carried out. The EO was screened against a panel of microorganisms (bacteria, fungi, parasitic protozoa) as well as for cytotoxicity against human cells...
July 2, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930257/physicochemical-properties-antioxidant-and-cytotoxic-activities-of-crude-extracts-and-fractions-from-phyllanthus-amarus
#9
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Background:Phyllanthus amarus (P. amarus) has been used as a medicinal plant for the prevention and treatment of chronic ailments such as diabetes, hepatitis, and cancer. Methods: The physicochemical properties, antioxidant and cytotoxic activities of crude extracts and fractions from P. amarus were determined using spectrophotometric method. Results: The P. amarus methanol (PAM) extract had lower levels of residual moisture (7.40%) and water activity (0.24) and higher contents of saponins, phenolics, flavonoids, and proanthocyanidins (1657...
June 18, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930246/medicinal-plants-used-for-neuropsychiatric-disorders-treatment-in-the-hauts-bassins-region-of-burkina-faso
#10
Prosper T Kinda, Patrice Zerbo, Samson Guenné, Moussa Compaoré, Alin Ciobica, Martin Kiendrebeogo
Background: In Burkina Faso, phytotherapy is the main medical alternative used by populations to manage various diseases that affect the nervous system. The aim of the present study was to report medicinal plants with psychoactive properties used to treat neuropsychiatric disorders in the Hauts Bassins region, in the western zone of Burkina Faso. Methods: Through an ethnobotanical survey using structured questionnaire, 53 traditional healers (TH) were interviewed about neuropsychiatric disorders, medicinal plants and medical practices used to treat them...
May 19, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930244/characterization-and-antioxidant-activity-of-volatile-constituents-from-different-parts-of-aframomum-danielli-hook-k-schum
#11
Emmanuel E Essien, Paul S Thomas, Kelly Oriakhi, Mohammad I Choudhary
Background:Aframomum danielli is used in ethno-medicine for the treatment of several ailments and as a traditional food spice. Methods: The hydro-distilled leaf, stem, seed, rhizome and pod volatile oils of A. danielli were subjected to gas chromatography-mass spectrometry (GC-MS) analysis. Free radical scavenging capacity of the volatile oils was determined using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays. Results: Thirty-nine (39) volatile compounds were identified in the oils of A...
May 10, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930242/essential-oils-from-leaves-of-medicinal-plants-of-brazilian-flora-chemical-composition-and-activity-against-candida-species
#12
Maria da Conceição Mendes Ferreira da Costa, Alexandre Gomes da Silva, Ana Paula Sant'Anna da Silva, Vera Lúcia de Menezes Lima, Patrícia Cristina Bezerra-Silva, Suyana Karolyne Lino da Rocha, Daniela Maria do Amaral Ferraz Navarro, Maria Tereza Dos Santos Correia, Thiago Henrique Napoleão, Márcia Vanusa da Silva, Patrícia Maria Guedes Paiva
Background: The biotechnological potential of medicinal plants from Brazilian Caatinga and the Atlantic Forest has not been extensively studied. Thus, screening programs are important in prospecting for compounds for developing new drugs. The purpose of this study was to determine the chemical composition and to evaluate the anti-Candida activity of essential oils from leaves of Hymenaea courbaril var. courbaril, Myroxylon peruiferum, and Vismia guianensis. Methods: The oils were extracted through hydrodistillation and their chemical compositions were analyzed by gas chromatography coupled with mass spectrometry...
May 3, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930230/angelica-sinensis-oliv-diels-influence-of-value-chain-on-quality-criteria-and-marker-compounds-ferulic-acid-and-z-ligustilide
#13
Nino Giacomelli, Yang Yongping, Franz K Huber, Anita Ankli, Caroline S Weckerle
Background:Dang gui (Apiaceae; Angelica sinensis radix) is among the most often used Chinese medicinal plants. However, hardly anything is known about its value chain and its influence on the main marker compounds of the drug. The aim of this study is to investigate the value chain of dang gui in Gansu and Yunnan, and the analysis of the marker compounds ferulic acid and Z-ligustilide concentration in relation to quality criteria such as the production area and size of the roots. Methods: During six months of field research in China, semi-structured interviews with various stakeholders of the value chain were undertaken and plant material was collected...
March 14, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930228/interaction-of-plant-extracts-with-central-nervous-system-receptors
#14
REVIEW
Kenneth Lundstrom, Huyen Thanh Pham, Long Doan Dinh
Background: Plant extracts have been used in traditional medicine for the treatment of various maladies including neurological diseases. Several central nervous system receptors have been demonstrated to interact with plant extracts and components affecting the pharmacology and thereby potentially playing a role in human disease and treatment. For instance, extracts from Hypericum perforatum (St. John's wort) targeted several CNS receptors. Similarly, extracts from Piper nigrum, Stephania cambodica, and Styphnolobium japonicum exerted inhibition of agonist-induced activity of the human neurokinin-1 receptor...
February 23, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930225/vochysia-rufa-stem-bark-extract-protects-endothelial-cells-against-high-glucose-damage
#15
Neire Moura de Gouveia, Sonia Ramos, María Ángeles Martín, Foued Salmen Espindola, Luis Goya, Olga M Palomino
Background: Increased oxidative stress by persistent hyperglycemia is a widely accepted factor in vascular damage responsible for type 2 diabetes complications. The plant Vochysia rufa (Vr) has been used in folk medicine in Brazil for the treatment of diabetes. Thus; the protective effect of a Vr stem bark extract against a challenge by a high glucose concentration on EA.hy926 (EA) endothelial cells is evaluated. Methods: Vegetal material is extracted with distilled water by maceration and evaporated until dryness under vacuum...
February 21, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930224/aromatic-medicinal-plants-of-the-lamiaceae-family-from-uzbekistan-ethnopharmacology-essential-oils-composition-and-biological-activities
#16
REVIEW
Nilufar Z Mamadalieva, Davlat Kh Akramov, Elisa Ovidi, Antonio Tiezzi, Lutfun Nahar, Shahnoz S Azimova, Satyajit D Sarker
Plants of the Lamiaceae family are important ornamental, medicinal, and aromatic plants, many of which produce essential oils that are used in traditional and modern medicine, and in the food, cosmetics, and pharmaceutical industry. Various species of the genera Hyssopus, Leonurus, Mentha, Nepeta, Origanum, Perovskia, Phlomis, Salvia, Scutellaria, and Ziziphora are widespread throughout the world, are the most popular plants in Uzbek traditional remedies, and are often used for the treatment of wounds, gastritis, infections, dermatitis, bronchitis, and inflammation...
February 10, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930141/isolation-and-cytotoxic-investigation-of-flacourtin-from-oncoba-spinosa
#17
Olaoye S Balogun, Olukayode S Ajayi, Olayinka S Lawal
Background:Oncoba spinosa, an endangered medicinal plant whose secondary metabolites have not been extensively profiled, and which is hitherto yet to be examined for cytotoxicity, is being investigated in this study. Methods: Leaves of Oncoba spinosa (800 g) were extracted with 95% aqueous methanol. The crude extract was partitioned with n-hexane and the resultant defatted extract was extensively chromatographed on silica gel to yield compound 1 which was subjected to spectroscopic analysis. A brine shrimps lethality test was used to establish the cytotoxicity potentials of the isolated compound and the plant extracts...
December 6, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930140/identification-of-phlogacantholide-c-as-a-novel-adam10-enhancer-from-traditional-chinese-medicinal-plants
#18
Myriam Meineck, Florian Schuck, Sara Abdelfatah, Thomas Efferth, Kristina Endres
Background: Alzheimer's disease is one of the most prevalent dementias in the elderly population with increasing numbers of patients. One pivotal hallmark of this disorder is the deposition of protein aggregates stemming from neurotoxic amyloid-beta peptides. Synthesis of those peptides has been efficiently prevented in AD model mice by activation of an enzyme called alpha-secretase. Therefore, drugs with the capability to increase the expression of this enzyme, named ADAM10, have been suggested as a valuable therapeutic medication...
December 5, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930138/antifungal-and-anticancer-potential-of-argemone-mexicana-l
#19
Nilesh V More, Arun S Kharat
Background: Medicinal plants are widely used to treat infectious diseases, metabolic disorders and cancer. Argemone mexicana L. (A. mexicana), commonly found on desolate land of Marathwada (Maharashtra, India) has been used to treat oral cavity infections. Methods: In this study, cold aqueous and methanolic extracts were prepared from A. mexicana stem and leaves. These extracts were tested for their antifungal and anticancer activities. The antifungal activity was tested using the agar well diffusion method, while the anticancer activity against immortalized cell lines was assessed by trypan blue assay...
November 3, 2016: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28929680/-relationship-between-seedling-grade-of-codonopsis-pilosula-and-yield-and-quality-of-medicinal-materials
#20
Hui-Zhen Wang, Zhong-Xue Lian, Guo-di Lu, Yu-Fang Huang, Zhi-Jia Cui, Jin-Tian Li, Tao Du
The study is aimed to research the relationship between the seedling grade of Codonopsis pilosula and yield and quality of medicinal materials, so as to provide basis for establishing seedling standard. Thirty seedlings of C. pilosula were collected from the main production areas in Gansu province, such as Weiyuan, Minxian, Zhangxian, Dangchang and Longxi, root length and diameter and weight of all the samples were measured. According to the clustering results, seedlings were divided into 3 levels, and field experiments were conducted with three levels seedling, yield and quality were tested in laboratory...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
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