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J W Kim, B Koo, I H Kim, C M Nyachoti
An experiment was carried out to determine the apparent total tract digestibility (ATTD) and the standardized total tract digestibility (STTD) of P and the effects of extrusion and microbial phytase on ATTD and STTD of P in hemp hulls (HH). Thirty-six pigs (30.3 ± 2.7 kg) were randomly allotted to 1 of 6 experimental diets in a complete randomized design with 6 replicates per diet. A corn-soybean meal (SBM)-based basal diet was formulated. Two additional diets were formulated by replacing 40% of corn and SBM (on a 100% of total diet basis) with HH or extruded HH (EHH)...
March 10, 2018: Journal of Animal Science
Elías López-Alba, Sebastian Schmeer, Francisco Díaz
The study of natural fiber reinforcement composite structures has focused the attention of the automobile industry due to the new regulation in relation to the recyclability and the reusability of the materials preserving and/or improving the mechanical characteristics. The influence of different parameters on the material behavior of natural fiber reinforced plastic structures has been investigated, showing the potential for transport application in energy absorbing structures. Two different woven fabrics (twill and hopsack) made of flax fibers as well as a non-woven mat made of a mixture of hemp and kenaf fibers were employed as reinforcing materials...
March 13, 2018: Materials
Lewis M Ward, James Hemp, Patrick M Shih, Shawn E McGlynn, Woodward W Fischer
The evolutionary mechanisms behind the extant distribution of photosynthesis is a point of substantial contention. Hypotheses range from the presence of phototrophy in the last universal common ancestor and massive gene loss in most lineages, to a later origin in Cyanobacteria followed by extensive horizontal gene transfer into the extant phototrophic clades, with intermediate scenarios that incorporate aspects of both end-members. Here, we report draft genomes of 11 Chloroflexi: the phototrophic Chloroflexia isolate Kouleothrix aurantiaca as well as 10 genome bins recovered from metagenomic sequencing of microbial mats found in Japanese hot springs...
2018: Frontiers in Microbiology
Andreas Hemp, Claudia Hemp
Biodiversity studies of global change mainly focus on direct impacts such as losses in species numbers or ecosystem functions. In this study, we focus on the long-term effects of recent land-cover conversion and subsequent ecological isolation of Kilimanjaro on biodiversity in a paleobiogeographical context, linking our findings with the long-standing question whether colonization of African mountains mainly depended on long-distance dispersal, or whether gradual migration has been possible through habitat bridges under colder climates...
March 5, 2018: Global Change Biology
Imane Semhaoui, Thierry Maugard, Ikbal Zarguili, Sid-Ahmed Rezzoug, Jean-Michel Qiuyu Zhao, Jamil Toyir, Mostafa Nawdali, Zoulikha Maache-Rezzoug
The aim of this study was to investigate a pretreatment by combined H2 SO4 acid-catalyst and thermomechanical process to improve hemicelluloses solubilization of hemp hurds and subsequently enzymatic hydrolysis extent of potentially fermentable sugars. It was found that the sugars released were gradually increased with treatment severity. Soluble sugars generated before enzymatic hydrolysis (R1 ) increased up to 2.23 g/L indicating that autohydrolysis reaction occurred during pretreatment. Consequently, the solubilization of hemicelluloses was correlated with combined severity factor (CS)...
February 23, 2018: Bioresource Technology
Pirjo Mattila, Sari Mäkinen, Merja Eurola, Taina Jalava, Juha-Matti Pihlava, Jarkko Hellström, Anne Pihlanto
The goal of this work was to analyze nutritional value of various minimally processed commercial products of plant protein sources such as faba bean (Vicia faba), lupin (Lupinus angustifolius), rapeseed press cake (Brassica rapa/napus subsp. Oleifera), flaxseed (Linum usitatissimum), oil hemp seed (Cannabis sativa), buckwheat (Fagopyrum esculentum), and quinoa (Chenopodium quinoa). Basic composition and various nutritional components like amino acids, sugars, minerals, and dietary fiber were determined. Nearly all the samples studied could be considered as good sources of essential amino acids, minerals and dietary fiber...
March 2, 2018: Plant Foods for Human Nutrition
Hankun Hao, Jun Hong, Yaping Wang, Jian Wang, Yibing Bei, Luchun Hua
OBJECTIVE: To evaluate the feasibility and the short-term safety of self-pulling and latter transected esophagojejunostomy(SPLT) in totally laparoscopic total gastrectomy (TLTG). METHODS: One hundred patients with gastric cancer received TLTG-SPLT at General Surgery Department of Huashan Hospital (Fudan University) from June 2014 to January 2017(SPLT group). The clinicopathologic characteristics, surgical and postoperative outcomes were collected retrospectively and compared with the conventional group undergoing TLTG plus overlap or functional end-to-end anastomosis from October 2013 to December 2015...
February 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
Tony P George, Kevin P Hill, Franco J Vaccarino
No abstract text is available yet for this article.
January 1, 2018: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
Rachel Houston, Matthew Birck, Bobby LaRue, Sheree Hughes-Stamm, David Gangitano
As Cannabis sativa (marijuana) is a controlled substance in many parts of the world, the ability to track biogeographical origin of cannabis could provide law enforcement with investigative leads regarding its trade and distribution. Population substructure and inbreeding may cause cannabis plants to become more genetically related. This genetic relatedness can be helpful for intelligence purposes. Analysis of autosomal, chloroplast, and mitochondrial DNA allows for not only prediction of biogeographical origin of a plant but also discrimination between individual plants...
February 20, 2018: International Journal of Legal Medicine
Max L Nibert, Minh Vong, Karen K Fugate, Humberto J Debat
Mitoviruses have small RNA(+) genomes, replicate in mitochondria, and have been shown to infect only fungi to date. For this report, sequences that appear to represent nearly complete plant mitovirus genomes were recovered from publicly available transcriptome data. Twenty of the refined sequences, 2684-2898 nt long and derived from 10 different species of land plants, appear to encompass the complete coding regions of contemporary plant mitoviruses, which furthermore constitute a monophyletic cluster within genus Mitovirus...
February 10, 2018: Virology
J W Ferry Slik, Janet Franklin, Víctor Arroyo-Rodríguez, Richard Field, Salomon Aguilar, Nikolay Aguirre, Jorge Ahumada, Shin-Ichiro Aiba, Luciana F Alves, Anitha K, Andres Avella, Francisco Mora, Gerardo A Aymard C, Selene Báez, Patricia Balvanera, Meredith L Bastian, Jean-François Bastin, Peter J Bellingham, Eduardo van den Berg, Polyanna da Conceição Bispo, Pascal Boeckx, Katrin Boehning-Gaese, Frans Bongers, Brad Boyle, Fabian Brambach, Francis Q Brearley, Sandra Brown, Shauna-Lee Chai, Robin L Chazdon, Shengbin Chen, Phourin Chhang, George Chuyong, Corneille Ewango, Indiana M Coronado, Jurgi Cristóbal-Azkarate, Heike Culmsee, Kipiro Damas, H S Dattaraja, Priya Davidar, Saara J DeWalt, Hazimah Din, Donald R Drake, Alvaro Duque, Giselda Durigan, Karl Eichhorn, Eduardo Schmidt Eler, Tsutomu Enoki, Andreas Ensslin, Adandé Belarmain Fandohan, Nina Farwig, Kenneth J Feeley, Markus Fischer, Olle Forshed, Queila Souza Garcia, Satish Chandra Garkoti, Thomas W Gillespie, Jean-Francois Gillet, Christelle Gonmadje, Iñigo Granzow-de la Cerda, Daniel M Griffith, James Grogan, Khalid Rehman Hakeem, David J Harris, Rhett D Harrison, Andy Hector, Andreas Hemp, Jürgen Homeier, M Shah Hussain, Guillermo Ibarra-Manríquez, I Faridah Hanum, Nobuo Imai, Patrick A Jansen, Carlos Alfredo Joly, Shijo Joseph, Kuswata Kartawinata, Elizabeth Kearsley, Daniel L Kelly, Michael Kessler, Timothy J Killeen, Robert M Kooyman, Yves Laumonier, Susan G Laurance, William F Laurance, Michael J Lawes, Susan G Letcher, Jeremy Lindsell, Jon Lovett, Jose Lozada, Xinghui Lu, Anne Mette Lykke, Khairil Bin Mahmud, Ni Putu Diana Mahayani, Asyraf Mansor, Andrew R Marshall, Emanuel H Martin, Darley Calderado Leal Matos, Jorge A Meave, Felipe P L Melo, Zhofre Huberto Aguirre Mendoza, Faizah Metali, Vincent P Medjibe, Jean Paul Metzger, Thiago Metzker, D Mohandass, Miguel A Munguía-Rosas, Rodrigo Muñoz, Eddy Nurtjahy, Eddie Lenza de Oliveira, Onrizal, Pia Parolin, Marc Parren, N Parthasarathy, Ekananda Paudel, Rolando Perez, Eduardo A Pérez-García, Ulf Pommer, Lourens Poorter, Lan Qi, Maria Teresa F Piedade, José Roberto Rodrigues Pinto, Axel Dalberg Poulsen, John R Poulsen, Jennifer S Powers, Rama Chandra Prasad, Jean-Philippe Puyravaud, Orlando Rangel, Jan Reitsma, Diogo S B Rocha, Samir Rolim, Francesco Rovero, Andes Rozak, Kalle Ruokolainen, Ervan Rutishauser, Gemma Rutten, Mohd Nizam Mohd Said, Felipe Z Saiter, Philippe Saner, Braulio Santos, João Roberto Dos Santos, Swapan Kumar Sarker, Christine B Schmitt, Jochen Schoengart, Mark Schulze, Douglas Sheil, Plinio Sist, Alexandre F Souza, Wilson Roberto Spironello, Tereza Sposito, Robert Steinmetz, Tariq Stevart, Marcio Seiji Suganuma, Rahayu Sukri, Aisha Sultana, Raman Sukumar, Terry Sunderland, Supriyadi, H S Suresh, Eizi Suzuki, Marcelo Tabarelli, Jianwei Tang, Ed V J Tanner, Natalia Targhetta, Ida Theilade, Duncan Thomas, Jonathan Timberlake, Márcio de Morisson Valeriano, Johan van Valkenburg, Tran Van Do, Hoang Van Sam, John H Vandermeer, Hans Verbeeck, Ole Reidar Vetaas, Victor Adekunle, Simone A Vieira, Campbell O Webb, Edward L Webb, Timothy Whitfeld, Serge Wich, John Williams, Susan Wiser, Florian Wittmann, Xiaobo Yang, C Yves Adou Yao, Sandra L Yap, Rakan A Zahawi, Rahmad Zakaria, Runguo Zang
Knowledge about the biogeographic affinities of the world's tropical forests helps to better understand regional differences in forest structure, diversity, composition, and dynamics. Such understanding will enable anticipation of region-specific responses to global environmental change. Modern phylogenies, in combination with broad coverage of species inventory data, now allow for global biogeographic analyses that take species evolutionary distance into account. Here we present a classification of the world's tropical forests based on their phylogenetic similarity...
February 5, 2018: Proceedings of the National Academy of Sciences of the United States of America
Amie C Hayley, Luke A Downey, Glyn Hansen, Ashley Dowell, Dale Savins, Richard Buchta, Reinilda Catubig, Robert Houlden, Con K K Stough
Hemp-derivative (Cannabis sativa L.) food products containing trace levels of Δ-9-tetrahydrocannabinol (THC) are proposed for consumption in Australia and New Zealand; however, it is unclear whether use of these products will negatively affect existing drug screening protocols. This double-blind, within-subjects, cross-over trial assessed 35 adults (17 male; 18 female), aged 22-52 years [Mean=30.7, Standard Deviation (S.D)±7.6]. Low dose THC oil [5mL bearer sesame oil containing 10mg/kg THC (0.046mg THC per 5mL dose)]; high dose THC oil [5mL bearer sesame oil containing 20mg/kg THC (0...
March 2018: Forensic Science International
Brett J Green, James R Couch, Angela R Lemons, Nancy C Burton, Kerton R Victory, Ajay P Nayak, Donald H Beezhold
Cannabis cultivation is an emerging industry within the United States. Organic dust derived in part from naturally occurring microorganisms is known to cause byssinosis in the hemp industry. In this pilot study, bacteria and fungi encountered by workers at an outdoor cannabis farm that utilized organic practices were elucidated by 16░S ribosomal RNA (rRNA) and Internal Transcribed Spacer (ITS) region sequencing, respectively. Area (n = 14) and personal air samples (n = 12) were collected during harvesting and processing activities...
January 25, 2018: Journal of Occupational and Environmental Hygiene
Guo-Yuan Zhu, Ji Yang, Xiao-Jun Yao, Xing Yang, Jing Fu, Xin Liu, Li-Ping Bai, Liang Liu, Zhi-Hong Jiang
(±)-Sativamides A (1) and B (2), two pairs of nor-lignanamide enantiomers featuring a unique benzo-angular triquinane skeleton, were isolated from the fruits of Cannabis sativa (hemp seed). Their structures were elucidated by detailed spectroscopic analysis and ECD calculations. The resolution of (+)- and (-)-sativamides A and B were achieved by chiral HPLC. Pretreatment of neuroblastoma cells with 1 and 2 significantly reduced the endoplasmic reticulum (ER) stress-induced cytotoxicity.
January 18, 2018: Journal of Organic Chemistry
Werther Guidi Nissim, Emily Palm, Stefano Mancuso, Elisa Azzarello
The current field study aims to assess the suitability of four different plant species (i.e. poplar, willow, hemp and alfalfa) to be used for trace element (TE) (i.e. Cd, Cu, Ni, Pb and Zn) phytoextraction under hot-arid Mediterranean climate conditions. Plants were grown for two consecutive years on a moderate TE contaminated soil, supplied with water and mineral nutrients. The growth and physiological parameters were assessed throughout the trial to compare the response of plants to the environmental pollution, and TE uptake rates were measured for aboveground plant tissues...
January 16, 2018: Environmental Science and Pollution Research International
Suvra Sadhukhan, Annesha Bhattacharjee, Ujjaini Sarkar, Pabitra Kumar Baidya, Sibashish Baksi
The oil extracted from Crotalaria juncea (Sunn-hemp) contains 70% of gum. Several methods of degumming are attempted in order to maximize the yield of gum. During appropriate water induced degumming, about 95-98% of phosphatides are separated. The maximum oil yield for two types of degummimg processes are 0.59% and 0.69% corresponding to hot water and pure O-phosphoric acid (19.88 N) treatment respectively. The % oil yield obtained for TOP degumming is about 0.78%. Physico-chemical characteristics of the isolated gum such as moisture, ash, protein, fat and aqueous solubility along with FTIR and TGA analysis are studied in order to evaluate the effect of extraction process...
January 12, 2018: International Journal of Biological Macromolecules
Beata Doczekalska, Krzysztof Kuśmierek, Andrzej Świątkowski, Monika Bartkowiak
Adsorption of 2,4-dichlorophenoxyacetic acid (2,4-D) and 4-chloro-2-metylphenoxyacetic acid (MCPA) from aqueous solution onto activated carbons derived from various lignocellulosic materials including willow, miscanthus, flax, and hemp shives was investigated. The adsorption kinetic data were analyzed using two kinetic models: the pseudo-first order and pseudo-second order equations. The adsorption kinetics of both herbicides was better represented by the pseudo-second order model. The adsorption isotherms of 2,4-D and MCPA on the activated carbons were analyzed using the Freundlich and Langmuir isotherm models...
January 16, 2018: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
Xinyi Wang, Peter de B Harrington, Steven F Baugh
High-resolution mass spectrometry (HRMS) combined with pattern recognition was used to discriminate among twenty-five Cannabis samples, twenty hemp samples, and eight liquor samples. The effects of preprocessing on multivariate data analysis were evaluated for Orbitrap high-resolution mass spectra. Different root transformations were evaluated with respect to the bin width and the average classification rates. In addition, linear binning and proportional binning with various resolving powers were studied with respect to the average classification rates...
April 1, 2018: Talanta
Souvik Kumar Paul, Saikat Chakraborty
Sunn hemp fibre - a cellulose-rich crystalline non-food energy crop, containing 75.6% cellulose, 10.05% hemicellulose, 10.32% lignin, with high crystallinity (80.17%) and degree of polymerization (650) - is identified as a new non-food substrate for lignocellulosic biofuel production. Microwave irradiation is employed to rapidly rupture the cellulose's glycosidic bonds and enhance glucose yield to 78.7% at 160 °C in only 46 min. The reactants - long-chain cellulose, ionic liquid, transition metal catalyst, and water - form a polar supramolecular complex that rotates under the microwave's alternating polarity and rapidly dissipates the electromagnetic energy through molecular collisions, thus accelerating glycosidic bond breakage...
January 3, 2018: Bioresource Technology
P Cremonesi, G Conte, M Severgnini, F Turri, A Monni, E Capra, L Rapetti, S Colombini, S Chessa, G Battelli, S P Alves, M Mele, B Castiglioni
Fat supplementation plays an important role in defining milk fatty acids (FA) composition of ruminant products. The use of sources rich in linoleic and α-linolenic acid favors the accumulation of conjugated linoleic acids isomers, increasing the healthy properties of milk. Ruminal microbiota plays a pivotal role in defining milk FA composition, and its profile is affected by diet composition. The aim of this study was to investigate the responses of rumen FA production and microbial structure to hemp or linseed supplementation in diets of dairy goats...
January 8, 2018: Animal: An International Journal of Animal Bioscience
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