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https://www.readbyqxmd.com/read/28231537/release-kinetics-of-esterified-p-coumaric-acid-and-ferulic-acid-from-rice-straw-in-mild-alkaline-solution
#1
Tran Ngoc Linh, Hirokata Fujita, Akiyoshi Sakoda
The release kinetics of esterified p-coumaric acid (PCA) and ferulic acid (FA) from rice straw under a mild alkaline condition were investigated to collect fundamental data for the design of a recovery process. The results showed that the straw size, NaOH concentration, and temperature were the key parameters governing release kinetics. The analysis demonstrated that FA is released considerably faster than PCA. The close relationship between lignin and the PCA dissolution indicates a reciprocal and/or simultaneous release...
February 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28231504/effect-of-biochar-on-cadmium-bioavailability-and-uptake-in-wheat-triticum-aestivum-l-grown-in-a-soil-with-aged-contamination
#2
Tahir Abbas, Muhammad Rizwan, Shafaqat Ali, Muhammad Zia-Ur-Rehman, Muhammad Farooq Qayyum, Farhat Abbas, Fakhir Hannan, Jörg Rinklebe, Yong Sik Ok
Cadmium (Cd) is a well-known and widespread toxic heavy metal while the effects of biochar (BC) on Cd bioavailability and toxicity in wheat, especially in soils with aged contamination are largely unknown. In the present study, the effect of rice straw BC on Cd immobilization in soil and uptake by wheat in an agricultural contaminated-soil was investigated. Different levels of rice straw BC (0%, 1.5%, 3.0% and 5% w/w) were incorporated into the soil and incubated for two weeks. After this, wheat plants were grown in the amended soil until maturity...
February 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28231382/accurate-measurement-of-transgene-copy-number-in-crop-plants-using-droplet-digital-pcr
#3
Ray Collier, Kasturi Dasgupta, Yan-Ping Xing, Bryan Tarape Hernandez, Min Shao, Dominica Rohozinski, Emma Kovak, Jeanie Lin, Maria Luiza P de Oliveira, Ed Stover, Kent F McCue, Frank G Harmon, Ann Blechl, James G Thomson, Roger Thilmony
Genetic transformation is a powerful means for the improvement of crop plants, but requires labor and resource intensive methods. An efficient method for identifying single copy transgene insertion events from a population of independent transgenic lines is desirable. Currently transgene copy number is estimated by either Southern blot hybridization analyses or quantitative polymerase chain reaction (qPCR) experiments. Southern hybridization is a convincing and reliable method, but it also is expensive, time-consuming and often requires a large amount of genomic DNA and radioactively labeled probes...
February 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28231176/volatile-composition-of-smoked-and-non-smoked-iranian-rice
#4
Leontina Lipan, Mohammad Hojjati, Hussein El-Zaeddi, Lucía Sánchez-Rodríguez, Ángel Antonio Carbonell-Barrachina
In this work, the volatile profiles of smoked and non-smoked Iranian rice were identified, and their relative abundance was calculated and compared. Headspace solid-phase microextraction together with gas chromatography-mass spectrometry (SPME-GC-MS) were used to extract and identify the volatile compounds. The main groups of volatiles in Iranian rice were aldehydes, ketones, phenol derivatives, furans, linear hydrocarbons, esters and terpenes. The chemical family aldehydes was the most abundant one in the profile of non-smoked rice, while phenol derivatives and furans predominated in smoked samples...
November 30, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231133/soybean-enriched-snacks-based-on-african-rice
#5
Mauro Marengo, Hannah F Akoto, Miriam Zanoletti, Aristodemo Carpen, Simona Buratti, Simona Benedetti, Alberto Barbiroli, Paa-Nii T Johnson, Esther O Sakyi-Dawson, Firibu K Saalia, Francesco Bonomi, Maria Ambrogina Pagani, John Manful, Stefania Iametti
Snacks were produced by extruding blends of partially-defatted soybean flour with flours from milled or parboiled African-grown rice. The interplay between composition and processing in producing snacks with a satisfactory sensory profile was addressed by e-sensing, and by molecular and rheological approaches. Soybean proteins play a main role in defining the properties of the protein network in the products. At the same content in soybean flour, use of parboiled rice flour increases the snack's hardness. Electronic nose and electronic tongue discriminated samples containing a higher amount of soybean flour from those with a lower soybean flour content...
May 20, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231125/fundamental-study-on-the-impact-of-gluten-free-starches-on-the-quality-of-gluten-free-model-breads
#6
Stefan W Horstmann, Markus C E Belz, Mareile Heitmann, Emanuele Zannini, Elke K Arendt
Starch is widely used as an ingredient and significantly contributes to texture, appearance, and overall acceptability of cereal based foods, playing an important role due to its ability to form a matrix, entrapping air bubbles. A detailed characterisation of five gluten-free starches (corn, wheat, rice, tapioca, potato) was performed in this study. In addition, the influence of these starches, with different compositional and morphological properties, was evaluated on a simple gluten-free model bread system...
April 21, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231117/compositional-analysis-of-whole-grains-processed-grains-grain-co-products-and-other-carbohydrate-sources-with-applicability-to-pet-animal-nutrition
#7
Alison N Beloshapka, Preston R Buff, George C Fahey, Kelly S Swanson
Our objective was to measure the proximate, starch, amino acid, and mineral compositions of grains, grain co-products, and other carbohydrate sources with potential use in pet foods. Thirty-two samples from barley (barley flake, cut barley, ground pearled barley, malted barley, whole pearled barley, pearled barley flakes, and steamed rolled barley); oats (groats, ground oatmeal, ground steamed groats, instant oats, oat bran, oat fiber, oat flour, quick oats, regular rolled oats, steamed rolled oat groats, and steel cut groats); rice (brown rice, polished rice, defatted rice bran, and rice flour); and miscellaneous carbohydrate sources (canary grass seed, hulled millet, whole millet, quinoa, organic spelt hull pellets, potato flake, sorghum, whole wheat, and whole yellow corn) were analyzed...
March 25, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231088/health-promoting-compounds-in-pigmented-thai-and-wild-rice
#8
Valentina Melini, Rita Acquistucci
Organic pigmented Thai rice and wild rice are commonly available in specialized Italian markets and food shops, and they are gaining popularity among consumers demanding healthy foods. Indeed, the typical colour of kernels, which is the unique characteristic of pigmented cereals, is due to the accumulation of pigments that are also responsible for a number of healthy effects. The aim of this study was to provide a portrait of two organic pigmented Thai rice varieties from Thailand and one wild rice variety from Canada, imported into Italy and at Italian consumers' disposal...
January 20, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230869/a-combined-high-temperature-experimental-and-theoretical-kinetic-study-of-the-reaction-of-dimethyl-carbonate-with-oh-radicals
#9
Fethi Khaled, Binod Raj Giri, Milán Szőri, Tam V-T Mai, Lam K Huynh, Aamir Farooq
The reaction kinetics of dimethyl carbonate (DMC) and OH radicals were investigated behind reflected shock waves over the temperature range of 872-1295 K and at pressures near 1.5 atm. Reaction progress was monitored by detecting OH radicals at 306.69 nm using a UV laser absorption technique. The rate coefficients for the reaction of DMC with OH radicals were extracted using a detailed kinetic model developed by Glaude et al. (Proc. Combust. Inst. 2005, 30(1), 1111-1118). The experimental rate coefficients can be expressed in Arrhenius form as: kexpt'l = 5...
February 23, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28230784/the-effects-of-moderate-whole-grain-consumption-on-fasting-glucose-and-lipids-gastrointestinal-symptoms-and-microbiota
#10
Danielle N Cooper, Mary E Kable, Maria L Marco, Angela De Leon, Bret Rust, Julita E Baker, William Horn, Dustin Burnett, Nancy L Keim
This study was designed to determine if providing wheat, corn, and rice as whole (WG) or refined grains (RG) under free-living conditions will change parameters of health over a six-week intervention in healthy, habitual non-WG consumers. Measurements of body composition, fecal microbiota, fasting blood glucose, total cholesterol, high density lipoprotein (HDL), low density lipoprotein (LDL), and triglycerides were made at baseline and post intervention. Subjects were given adequate servings of either WG or RG products based on their caloric need and asked to keep records of grain consumption, bowel movements, and GI symptoms weekly...
February 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28230163/ectopic-expression-of-arabidopsis-target-of-rapamycin-attor-improves-water-use-efficiency-and-yield-potential-in-rice
#11
Achala Bakshi, Mazahar Moin, M Udaya Kumar, Aramati Bindu Madhava Reddy, Maozhi Ren, Raju Datla, E A Siddiq, P B Kirti
The target of Rapamycin (TOR) present in all eukaryotes is a multifunctional protein, regulating growth, development, protein translation, ribosome biogenesis, nutrient, and energy signaling. In the present study, ectopic expression of TOR gene of Arabidopsis thaliana in a widely cultivated indica rice resulted in enhanced plant growth under water-limiting conditions conferring agronomically important water-use efficiency (WUE) trait. The AtTOR high expression lines of rice exhibited profuse tillering, increased panicle length, increased plant height, high photosynthetic efficiency, chlorophyll content and low ∆(13)C...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230139/daring-deep-sea-explorers-armyworm-offensive-and-gm-rice-theft
#12
(no author information available yet)
No abstract text is available yet for this article.
February 22, 2017: Nature
https://www.readbyqxmd.com/read/28229910/optimized-energy-of-spectral-ct-for-infarct-imaging-experimental-validation-with-human-validation
#13
Veit Sandfort, Srikanth Palanisamy, Rolf Symons, Amir Pourmorteza, Mark A Ahlman, Kelly Rice, Tom Thomas, Cynthia Davies-Venn, Bernhard Krauss, Alan Kwan, Ankur Pandey, Stefan L Zimmerman, David A Bluemke
OBJECTIVES: Late contrast enhancement visualizes myocardial infarction, but the contrast to noise ratio (CNR) is low using conventional CT. The aim of this study was to determine if spectral CT can improve imaging of myocardial infarction. MATERIALS AND METHODS: A canine model of myocardial infarction was produced in 8 animals (90-min occlusion, reperfusion). Later, imaging was performed after contrast injection using CT at 90 kVp/150 kVpSn. The following reconstructions were evaluated: Single energy 90 kVp, mixed, iodine map, multiple monoenergetic conventional and monoenergetic noise optimized reconstructions...
February 11, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28229491/osnla1-a-ring-type-ubiquitin-ligase-maintains-phosphate-homeostasis-in-oryza-sativa-via-degradation-of-phosphate-transporters
#14
Wenhao Yue, Yinghui Ying, Chuang Wang, Yang Zhao, Changhe Dong, James Whelan, Huixia Shou
Inorganic phosphate (Pi) transporters (PTs) play vital roles in Pi uptake and translocation in plants. Under Pi sufficient conditions, PTs are degraded to prevent excess Pi accumulation. The mechanisms targeting PTs for degradation are not fully elucidated. In this study, we found that the Oryza sativa (rice) ortholog of Arabidopsis thaliana Nitrogen Limitation Adaptation (NLA), OsNLA1 protein, a RING-type E3 ubiquitin-ligase, was predominantly localized in the plasma membrane, and could interact with rice phosphate transporters OsPT2 and OsPT8...
February 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28229256/nickel-accumulation-in-paddy-rice-on-serpentine-soils-containing-high-geogenic-nickel-contents-in-taiwan
#15
Zeng-Yei Hseu, Yun-Jie Lai
We investigated the extractability of nickel (Ni) in serpentine soils collected from rice paddy fields in eastern Taiwan to evaluate the bioavailability of Ni in the soils as well as for demonstrating the health risks of Ni in rice. Total Ni concentrations in the soils ranged were 70.2-2730 mg/kg (mean, 472 mg/kg), greatly exceeding the natural background content and soil control standard in Taiwan. Available Ni concentration only accounts for <10% of total soil Ni content; 0.1 N HCl-extractable Ni was the more suitable index for Ni bioavailability in the soil to rice than was diethylenetriaminepentaacetic acid (DTPA)-extractable Ni...
February 22, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28228848/brazilian-dietary-patterns-and-the-dietary-approaches-to-stop-hypertension-dash-diet-relationship-with-metabolic-syndrome-and-newly-diagnosed-diabetes-in-the-elsa-brasil-study
#16
Michele Drehmer, Andrew O Odegaard, Maria Inês Schmidt, Bruce B Duncan, Letícia de Oliveira Cardoso, Sheila M Alvim Matos, Maria Del Carmen B Molina, Sandhi M Barreto, Mark A Pereira
BACKGROUND: Studies evaluating dietary patterns, including the DASH diet, and their relationship with the metabolic syndrome and diabetes may help to understand the role of dairy products (low fat or full fat) in these conditions. Our aim is to identify dietary patterns in Brazilian adults and compare them with the (DASH) diet quality score in terms of their associations with metabolic syndrome and newly diagnosed diabetes in the Brazilian Longitudinal Study of Adult Health-the ELSA-Brasil study...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28228768/genome-wide-single-nucleotide-polymorphisms-in-cms-and-restorer-lines-discovered-by-genotyping-using-sequencing-and-association-with-marker-combining-ability-for-12-yield-related-traits-in-oryza-sativa-l-subsp-japonica
#17
Imdad U Zaid, Weijie Tang, Erbao Liu, Sana U Khan, Hui Wang, Edzesi W Mawuli, Delin Hong
Heterosis or hybrid vigor is closely related with general combing ability (GCA) of parents and special combining ability (SCA) of combinations. The evaluation of GCA and SCA facilitate selection of parents and combinations in heterosis breeding. In order to improve combining ability (CA) by molecular marker assist selection, it is necessary to identify marker loci associated with the CA. To identify the single nucleotide polymorphisms (SNP) loci associated with CA in the parental genomes of japonica rice, genome-wide discovered SNP loci were tested for association with the CA of 18 parents for 12 yield-related traits...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28228608/untapped-endophytic-colonization-and-plant-growth-promoting-potential-of-the-genus-novosphingobium-to-optimize-rice-cultivation
#18
Chakrapong Rangjaroen, Rungroch Sungthong, Benjavan Rerkasem, Neung Teaumroong, Rujirek Noisangiam, Saisamorn Lumyong
With the aim of searching for potent diazotrophic bacteria that are free of public health concerns and optimize rice cultivation, the endophytic colonization and plant growth-promoting activities of some endophytic diazotrophic bacteria isolated from rice were evaluated. Among these bacteria, the emerging diazotrophic strains of the genus Novosphingobium effectively associated with rice plant interiors and consequently promoted the growth of rice, even with the lack of a nitrogen source. These results suggest that diazotrophic Novosphingobium is an alternative microbial resource for further development as a safe biological enhancer in the optimization of organic rice cultivation...
February 21, 2017: Microbes and Environments
https://www.readbyqxmd.com/read/28226420/posnar2-1-osnar2-1-expression-enhances-nitrogen-uptake-efficiency-and-grain-yield-in-transgenic-rice-plants
#19
Jingguang Chen, Xiaoru Fan, Kaiyun Qian, Yong Zhang, Miaoquan Song, Yu Liu, Guohua Xu, Xiaorong Fan
The nitrate (NO3(-) ) transporter has been selected as an important gene maker in the process of environmental adoption in rice cultivars. In this work, we transfered another native OsNAR2.1 promoter with driving OsNAR2.1 gene into rice plants. The transgenic lines with exogenous pOsNAR2.1:OsNAR2.1 constructs showed enhanced OsNAR2.1 expression level, compared with wild type (WT), and (15) N influx in roots increased 21-32% in response to 0.2 mM and 2.5 mM (15) NO3(-) and 1.25 mM (15) NH4(15) NO3 . Under these three N conditions, the biomass of the pOsNAR2...
February 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28226259/synthesis-optimization-of-oil-palm-empty-fruit-bunch-and-rice-husk-biochars-for-removal-of-imazapic-and-imazapyr-herbicides
#20
Saba Yavari, Amirhossein Malakahmad, Nasiman B Sapari, Sara Yavari
Imidazolinones are a family of herbicides that are used to control a broad range of weeds. Their high persistence and leaching potential make them probable risk to the ecosystems. In this study, biochar, the biomass-derived solid material, was produced from oil palm empty fruit bunches (EFB) and rice husk (RH) through pyrolysis process. Feedstock and pyrolysis variables can control biochar sorption capacity. Therefore, the present study attempts to evaluate effects of three pyrolysis variables (temperature, heating rate and retention time) on abilities of biochars for removal of imazapic and imazapyr herbicides from soil...
February 18, 2017: Journal of Environmental Management
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