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juglans regia

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https://www.readbyqxmd.com/read/29067029/unveiling-the-identity-of-wenwan-walnuts-and-phylogenetic-relationships-of-asian-juglans-species-using-restriction-site-associated-dna-sequencing
#1
Xian-Yun Mu, Miao Sun, Pei-Fang Yang, Qin-Wen Lin
Juglans species have considerable ecological and economic value worldwide. In China, Wenwan walnuts have been collected by aristocrats and noblemen for more than 2000 years. As a diversity center of Asian Juglans, five species are widely distributed in China. The most famous of these is Mahetao (J. hopeiensis), which is an uncharacterized species that is mostly cultivated. Wild J. hopeiensis individuals are very rare and are endemic to Hebei Province. Because of the minimal variations in previously used molecular markers and the heterogeneity between chloroplast and nuclear genomes, determining the phylogenetic relationships among the Juglans species has been challenging, and has hindered subsequent evolutionary inferences...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29023476/genetic-and-ecological-insights-into-glacial-refugia-of-walnut-juglans-regia-l
#2
Mallikarjuna Aradhya, Dianne Velasco, Zakir Ibrahimov, Biimyrza Toktoraliev, David Maghradze, Mirza Musayev, Zviadi Bobokashvili, John E Preece
The distribution and survival of trees during the last glacial maximum (LGM) has been of interest to paleoecologists, biogeographers, and geneticists. Ecological niche models that associate species occurrence and abundance with climatic variables are widely used to gain ecological and evolutionary insights and to predict species distributions over space and time. The present study deals with the glacial history of walnut to address questions related to past distributions through genetic analysis and ecological modeling of the present, LGM and Last Interglacial (LIG) periods...
2017: PloS One
https://www.readbyqxmd.com/read/28989250/a-review-study-on-phytochemistry-and-pharmacology-applications-of-juglans-regia-plant
#3
REVIEW
Hamdollah Delaviz, Jamshid Mohammadi, Ghasem Ghalamfarsa, Bahram Mohammadi, Naser Farhadi
In recent years, the use of medicinal plants increased considerably; so that today, the use of traditional medicine, as well as medicinal plants is necessary for the aim of producing more effective drugs with fewer side effects and determining the effective doses. With the scientific name of Juglans regia, walnut plant is a medicinal plant with different properties that is considered less, despite having great therapeutic potential in the traditional medicine. The aim of this study was to review the dispersal of walnut plants, the chemical compounds, and therapeutic effects of walnuts on antioxidant activity, antidiabetic, hypolipidemic, antimicrobial, and antihypertensive activities, as well as liver protection...
July 2017: Pharmacognosy Reviews
https://www.readbyqxmd.com/read/28975089/traditional-uses-of-medicinal-plants-to-prevent-and-treat-diabetes-an-updated-review-of-ethnobotanical-studies-in-iran
#4
REVIEW
Majid Asadi-Samani, Mohammad-Taghi Moradi, Leila Mahmoodnia, Shahla Alaei, Fatemeh Asadi-Samani, Tahra Luther
BACKGROUND: Obesity and physical inactivity are currently on the rise due to industrialization of the communities, which has recently led to increased incidence of different diseases such as diabetes. Epidemiological studies and figures have demonstrated the growing incidence of diabetes. Relevantly, the side effects of chemical drugs have led patients to use medicinal plants and traditional approaches despite advances in development of chemical drugs. The aim of this review article is to report the medicinal plants and their traditional uses to prevent and treat diabetes according to the findings of ethnobotanical studies conducted in different regions of Iran...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28969623/protective-effects-of-methanolic-extract-of-juglans-regia-l-leaf-on-streptozotocin-induced-diabetic-peripheral-neuropathy-in-rats
#5
Davood Nasiry, Ali Reza Khalatbary, Hassan Ahmadvand, Fereshteh Talebpour Amiri, Esmaeil Akbari
BACKGROUND: Oxidative stress has a pivotal role in the pathogenesis and development of diabetic peripheral neuropathy (DPN), the most common and debilitating complications of diabetes mellitus. There is accumulating evidence that Juglans regia L. (GRL) leaf extract, a rich source of phenolic components, has hypoglycemic and antioxidative properties. This study aimed to determine the protective effects of Juglans regia L. leaf extract against streptozotocin-induced diabetic neuropathy in rat...
October 2, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28945497/antiproliferative-activity-of-walnut-juglans-regia-l-proteins-and-walnut-protein-hydrolysates
#6
Wilman Carrillo, José Angel Gómez-Ruiz, Ana Lucia Ruiz, Jõao Ernesto Carvalho
Proteins from Juglans regia L. were isolated. Then, proteins were hydrolyzed with different enzymes. Antiproliferative activity of proteins and of the protein hydrolysates of J. regia L. were evaluated using the sulforhodamine B method. Glutelin and prolamin proteins presented a high antiproliferative activity against cancer cells PC-3 (prostate) and K-562 (leukemia) with values of 43.9 and 84.4 μg/mL, respectively. The highest inhibitory effect observed was 50% at 0.25 μg/mL concentration in gastrointestinal digestion with pepsin and corolase pp in a dose-dependent manner against cancer cell UACC62 (melanoma)...
November 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28888783/phytochemical-study-of-juglans-regia-l-leaves
#7
Sebastian Schwindl, Birgit Kraus, Jörg Heilmann
A methanolic extract of Juglans regia L. leaves was fractioned by various chromatographic techniques yielding a total of 40 metabolites belonging to megastigmane, tetralone, phenylpropanoid, neolignane and juglone glycosides. Ten unknown megastigmane glucoside derivatives (juglanionosides A-K, 1-10) and six unknown tetralone glucoside derivatives (juglanosides J-O, 11-16) together with 24 known compounds - among them 16 described for the first time in Juglans - were isolated. As characteristic structural feature, the previously undescribed compounds showed acylation of the sugar units with sinapic, ferulic, coumaric, benzoic or salicylic acid...
September 7, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28855583/bacterial-community-diversity-on-in-shell-walnut-surfaces-from-six-representative-provinces-in-china
#8
Lihui Zhang, Shaojin Wang
Walnuts (Juglans regia) have been associated with foodborne illness outbreaks in recent years. Thus, the purpose of this study was to investigate the distribution of bacteria on in-shell walnut surfaces from six representative provinces in China. The bacterial populations on walnut surfaces were investigated by high-throughput sequencing based on the bacterial 16 S rRNA hypervariable region V4. Twenty-eight samples were collected from fourteen regions in six provinces and harvested in different periods (the fresh in 2016 and the old in 2015)...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28802240/late-summer-photosynthesis-and-storage-carbohydrates-in-walnut-juglans-regia-l-feed-back-and-feed-forward-effects
#9
Stefano Moscatello, Simona Proietti, Angela Augusti, Andrea Scartazza, Robert P Walker, Franco Famiani, Alberto Battistelli
The effect of late summer - autumn limitation of phloem export on growth, photosynthesis and storage carbohydrate accumulation, was evaluated in walnut (Juglans regia L.). This was done by girdling current years shoots, with either all or with only a third of the leaves left in place. Nineteen days after girdling, photosynthesis was greatly reduced and after 46 days, it was about 70% lower in both girdling treatments compared to the control (ungirdled shoots). This reduction is consistent with a feed-back effect of an increased carbohydrate content of the leaves...
July 31, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28778045/bleomycin-induced-pulmonary-toxicopathological-changes-in-rats-and-its-prevention-by-walnut-extract
#10
Saba Beigh, Hina Rashid, Shikha Sharma, Suhel Parvez, Sheikh Raisuddin
Oxidative stress-related inflammation and apoptosis are important pathogenic consequences, which result in acute pulmonary toxicity. Bleomycin (BLM) is used to treat various forms of cancers. However, its prolonged administration is associated with major toxicity to respiratory system. We studied the effect of walnut (Juglans regia) extract in a rat model of BLM-induced pulmonary toxicopathy. We also studied parameters of inflammation, apoptosis and oxidative stress in various groups of animals. Prophylactic treatment of total methanolic extract of walnut at the dose of 150mg/kg b...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28763961/impact-of-extraction-techniques-on-antioxidant-capacities-and-phytochemical-composition-of-polyphenol-rich-extracts
#11
Cecilia Castro-López, Janeth M Ventura-Sobrevilla, María D González-Hernández, Romeo Rojas, Juan A Ascacio-Valdés, Cristóbal N Aguilar, Guillermo C G Martínez-Ávila
In this work, impact of extraction methods (maceration, decoction, MAE, and UAE) on TPC, antioxidant activity, and the mass fraction of phenolics in several plant extracts (Punica granatum, Juglans regia, Moringa oleifera, and Cassia fistula) was investigated. The results showed that, despite the nature of matrix, the highest values of TPC in all samples were obtained by MAE as follows: PP (18.92±0.11), ML (15.19±0.11), HL (12.69±0.16), and WS (12.80±0.11) mg GAEg(-1) respectively, and exhibited potent antioxidant activity (from 0...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28737396/azacyclo-indoles-and-phenolics-from-the-flowers-of-juglans-regia
#12
Qian Li, An-Jun Deng, Li Li, Lian-Qiu Wu, Ming Ji, Hai-Jing Zhang, Zhi-Hong Li, Lin Ma, Zhi-Hui Zhang, Xiao-Guang Chen, Hai-Lin Qin
Seven new azacyclo-indoles and phenolics and four known alkaloids were isolated from the flowers of Juglans regia. Spectroscopic and chromatographic data revealed that the structures of the new compounds are 5,6,11,12-tetrahydropyrrolo[1',2':1,2]azepino[4,5-b]indole-3-carbaldehyde (1), (±)-5,6,7,11c-tetrahydro-1H-indolizino[7,8-b]indol-3(2H)-one (2), (±)-9-hydroxy-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-2-carboxamide (3), 5-(ethoxymethyl)-1-(4-hydroxyphenethyl)-1H-pyrrole-2-carbaldehyde (4), (±)-5,8-dihydroxy-4-(1H-indol-3-yl)-3,4-dihydronaphthalen-1(2H)-one (5), (±)-4-(6-amino-9H-purin-9-yl)-5,8-dihydroxy-3,4-dihydronaphthalen-1(2H)-one (6), and (±)-4-(6-amino-9H-purin-9-yl)-5-hydroxy-3,4-dihydronaphthalen-1(2H)-one (7)...
August 25, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28721619/measurements-of-%C3%AE-and-%C3%AE-hexachlorocyclohexane-in-juglans-regia-and-prunus-spinosa-trees-in-a-contaminated-area-central-italy
#13
Sabrina Battisti, Carlo Boselli, Alessandro Ubaldi, Cristina Roffi Isabelli, Tabita Mauti, Ugo Della Marta, Paola Scaramozzino
Vegetables play an important role in the human diet, and the transfer of toxic contaminants from the soil to plants has been little studied for most tree species and their edible portions. In an area affected by hexachlorocyclohexane (HCH) contamination, in the Sacco River Valley (central Italy), measurements of β- and α-HCH isomers were made on different parts of two tree species: Juglans regia and Prunus spinosa. Concentrations were analysed in roots, branches, leaves, fruits, and seeds. A spatial evaluation of the results highlighted an inverse association of contamination with distance from the river, which is the main route of transport in the environment...
September 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28713393/the-complete-chloroplast-genome-of-chinese-bayberry-morella-rubra-myricaceae-implications-for-understanding-the-evolution-of-fagales
#14
Lu-Xian Liu, Rui Li, James R P Worth, Xian Li, Pan Li, Kenneth M Cameron, Cheng-Xin Fu
Morella rubra (Myricaceae), also known as Chinese bayberry, is an economically important, subtropical, evergreen fruit tree. The phylogenetic placement of Myricaceae within Fagales and the origin of Chinese bayberry's domestication are still unresolved. In this study, we report the chloroplast (cp) genome of M. rubra and take advantage of several previously reported chloroplast genomes from related taxa to examine patterns of evolution in Fagales. The cp genomes of three M. rubra individuals were 159,478, 159,568, and 159...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28610180/leaf-feeding-i-mycterothrips-i-two-new-species-from-southern-iran-thysanoptera-thripidae
#15
Kambiz Minaei, Mahmood Alichi, Lida Fekrat, Maryam Aleosfoor, Jalil Alavi
Mycterothrips doostii sp. n. and Mycterothrips zagrosi sp. n. are described and illustrated from Fars province, southern Iran, on the basis of specimens collected on green leaves of Juglans regia and Amygdalus scoparia respectively. M. doostii is closely related to M. aureus and M. weii, whereas M. zagrosi resembles M. sanubari and M. glycines in color and structure.
March 13, 2017: Zootaxa
https://www.readbyqxmd.com/read/28498991/population-differentiation-in-common-walnut-juglans-regia-l-across-major-parts-of-its-native-range-insights-from-molecular-and-morphometric-data
#16
Wladimir Roor, Heino Konrad, Davletbek Mamadjanov, Thomas Geburek
Juglans regia is an economically highly important species for fruit and wood production in the warm temperate and subtropical zones of the Northern Hemisphere. Besides the natural influence of climatic and geomorphological barriers, its genetic structure has been strongly modified by humans and the population history is still unclear. For this reason, we investigated mainly natural walnut populations across the Eurasian continent on a molecular (44 populations, 581 trees) and morphometric level (23 populations, 1391 ripe nuts)...
June 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28490125/colour-and-in-vitro-quality-attributes-of-walnuts-from-different-growing-conditions-correlate-with-key-precursors-of-primary-and-secondary-metabolism
#17
Claudia Fuentealba, Ignacia Hernández, Sebastian Saa, Lea Toledo, Pamela Burdiles, Rosana Chirinos, David Campos, Patrick Brown, Romina Pedreschi
Walnuts (Juglans regia L.) are well known for their flavour, nutritional and health properties. The light colour of walnuts is a quality attribute that leads to consumer preference. The aim of this study was to correlate attributes such as colour and antioxidant capacity with the precursors of primary and secondary metabolism. Two growing areas and four different colours of walnuts cv. Chandler from the central region of Chile were evaluated. Walnuts grown in the zone with Andes Mountains influence showed higher (p<0...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28488188/spring-bud-growth-depends-on-sugar-delivery-by-xylem-and-water-recirculation-by-phloem-m%C3%A3-nch-flow-in-juglans-regia
#18
Aude Tixier, Or Sperling, Jessica Orozco, Bruce Lampinen, Adele Amico Roxas, Sebastian Saa, J Mason Earles, Maciej A Zwieniecki
During spring, bud growth relies on long-distance transport of remotely stored carbohydrates. A new hypothesis suggests this transport is achieved by the interplay of xylem and phloem. During the spring, carbohydrate demand of developing buds often exceeds locally available storage, thus requiring the translocation of sugars from distant locations like limbs, stems and roots. Both the phloem and xylem have the capacity for such long-distance transport, but their functional contribution is unclear. To address this ambiguity, the spatial and temporal dynamics of carbohydrate availability in extension shoots of Juglans regia L...
May 9, 2017: Planta
https://www.readbyqxmd.com/read/28482898/ethnopharmacological-survey-of-medicinal-plants-practiced-by-traditional-healers-and-herbalists-for-treatment-of-some-urological-diseases-in-the-west-bank-palestine
#19
Nidal Amin Jaradat, Abdel Naser Zaid, Rowa Al-Ramahi, Malik A Alqub, Fatima Hussein, Zakaria Hamdan, Mahmoud Mustafa, Mohammad Qneibi, Iyad Ali
BACKGROUND: Throughout history, every civilization in the world used plants or their derivatives for treatment or prevention of diseases. In Palestine as in many other countries, herbal medicines are broadly used in the treatment of wide range of diseases including urological diseases. The main objective of this research is to study the use of herbal remedies by herbalists and traditional healers for treatment of various urological diseases in the West Bank regions of Palestine and to assess their efficacy and safety through the literature review of the most cited plants...
May 8, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28401378/protective-effect-of-juglans-regia-l-walnut-extract-against-oxidative-dna-damage
#20
Cinzia Calcabrini, Roberta De Bellis, Umberto Mancini, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
Walnuts (Juglans regia L.) are relevant components of the Mediterranean diet providing important macronutrients, micronutrients and other bioactive constituents including unsaturated fatty acids, proteins, fiber, vitamins, minerals, phytosterols and polyphenols. Although the walnut beneficial effects in human health are widely recognized by a lot of epidemiologic studies very little is known regarding its effect on damaged DNA. The aim of the present study was to investigate the effect of Juglans regia L. ethanolic extract from kernel on the induction of DNA strand breaks by thiol/Fe(3+)/O2 mixed function oxidase, tert-butyl hydroperoxide or UVC radiations in acellular and cellular models...
June 2017: Plant Foods for Human Nutrition
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