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https://www.readbyqxmd.com/read/28642779/mitigating-groundwater-depletion-in-north-china-plain-with-cropping-system-that-alternate-deep-and-shallow-rooted-crops
#1
Xiao-Lin Yang, Yuan-Quan Chen, Tammo S Steenhuis, Steven Pacenka, Wang-Sheng Gao, Li Ma, Min Zhang, Peng Sui
In the North China Plain, groundwater tables have been dropping at unsustainable rates of 1 m per year due to irrigation of a double cropping system of winter wheat and summer maize. To reverse the trend, we examined whether alternative crop rotations could save water. Moisture contents were measured weekly at 20 cm intervals in the top 180 cm of soil as part of a 12-year field experiment with four crop rotations: sweet potato→ cotton→ sweet potato→ winter wheat-summer maize (SpCSpWS, 4-year cycle); peanuts → winter wheat-summer maize (PWS, 2-year cycle); ryegrass-cotton→ peanuts→ winter wheat-summer maize (RCPWS, 3-year cycle); and winter wheat-summer maize (WS, each year)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28638833/isolation-and-abiotic-stress-resistance-analyses-of-a-catalase-gene-from-ipomoea-batatas-l-lam
#2
Bin Yong, Xiaoyan Wang, Pan Xu, Haiyan Zheng, Xueting Fei, Zixi Hong, Qinqin Ma, Yuzhi Miao, Xianghua Yuan, Yusong Jiang, Huanhuan Shao
As an indicator of the antioxidant capability of plants, catalase can detoxify reactive oxygen species (ROS) generated by environmental stresses. Sweet potato is one of the top six most important crops in the world. However, its catalases remain largely unknown. In this study, a catalase encoding gene, IbCAT2 (accession number: KY615708), was identified and cloned from sweet potato cv. Xushu 18. It contained a 1479 nucleotides' open reading frame (ORF). S-R-L, Q-K-L, and a putative calmodulin binding domain were located at the C-terminus of IbCAT2, which suggests that IbCAT2 could be a peroxisomal catalase...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28636830/attenuation-of-hepatic-steatosis-by-purple-sweet-potato-color-is-associated-with-blocking-src-erk-c-ebp%C3%AE-signalling-in-high-fat-diet-treated-mice
#3
Xin Wang, Zi-Feng Zhang, Gui-Hong Zheng, Ai-Min Wang, Chun-Hui Sun, Su-Ping Qin, Juan Zhuang, Jun Lu, Dai-Fu Ma, Yuan-Lin Zheng
Our previous work showed that purple sweet potato color (PSPC), a class of naturally occurring anthocyanins, effectively improved hepatic glucose metabolic dysfunction in high-fat diet (HFD)-treated mice. This study investigated the effects of PSPC on HFD-induced hepatic steatosis and the signalling events associated with these effects. Mice were divided into four groups: Control group, HFD group, HFD+PSPC group and PSPC group. PSPC was administered daily for 20 weeks at oral doses of 700 mg/kg/day. Our results showed that PSPC significantly improved obesity and related metabolic parameters, as well as liver injury in HFD-treated mice...
June 21, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28625036/sago-worms-as-a-nutritious-traditional-and-alternative-food-for-rural-children-in-southeast-sulawesi-indonesia
#4
Intan R Nirmala, Trees, Suwarni, Mochammad S Pramono
BACKGROUND AND OBJECTIVES: The sago worm Rhynchophorus ferrugineus is a nutritious food source found in the remaining parts of a sago palm trunk after the removal of sago starch by farmers. The effort to increase sago worm consumption is investigated in an intervention study among children aged <5 years. METHODS AND STUDY DESIGN: Children aged 1-5 years were allocated to a sago worm inclusive diet (n=10) and to a control group eating a usual diet, but without sago worms (n=13)...
June 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28603839/evaluation-of-the-effects-of-sweet-potato-ipomoea-batatas-l-lam-in-broiler-diets
#5
J Pandi, P Glatz, R Forder, B Komolong, K Chousalkar
Cereal grains such as maize and wheat are used extensively in feed formulations for poultry as the primary source of carbohydrates. High cost of these grains in many developing countries necessitates the evaluation of other ingredients that are grown locally. Sweet potato is one such crop. The study was conducted as a proof of concept experiment to test the hypothesis that in the presence and absence of enzyme, sweet potato roots when included in diets of broiler chickens may affect the total metabolisable energy content of the diets which may exert certain influences on dry matter digestibility of these diets as well as impacting on production and certain gut parameters...
June 12, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28596128/sweetpotato-weevil-cylas-formicarius-fab-coleoptera-brentidae-avoids-its-host-plant-when-a-virulent-metarhizium-anisopliae-isolate-is-present
#6
Ronnie Dotaona, Bree A L Wilson, Gavin J Ash, Joanne Holloway, Mark M Stevens
Metarhizium anisopliae has a wide range of coleopteran hosts, including weevils. Some susceptible insects are known to modify their behavior to prevent infection, typically detecting virulent strains by olfaction, and avoiding physical contact with sources of infection. Laboratory olfactometer assays were conducted on the sweetpotato weevil Cylas formicarius to test the hypothesis that insects would avoid a more virulent strain of M. anisopliae when presented with a strain of low virulence or an untreated control...
June 8, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28587199/impact-of-sweet-potato-starch-based-nanocomposite-films-activated-with-thyme-essential-oil-on-the-shelf-life-of-baby-spinach-leaves
#7
Aseel Issa, Salam A Ibrahim, Reza Tahergorabi
Salmonella Typhimurium (S. Typhi) and Escherichia coli (E. coli) have been responsible for an increasing number of outbreaks linked to fresh produce, such as baby spinach leaves, in the last two decades. More recently, antimicrobial biodegradable packaging systems have been attracting much attention in the food packaging industry as eco-friendly alternatives to conventional plastic packaging. The objective of this study was to evaluate the effect of antibacterial nanocomposite films on inoculated spinach leaves and on the sensory properties of these leaves during eight days of refrigerated storage...
June 3, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28572951/value-added-probiotic-development-by-high-solid-fermentation-of-sweet-potato-with-saccharomyces-boulardii
#8
Carmen Campbell, Ananda K Nanjundaswamy, Victor Njiti, Qun Xia, Franklin Chukwuma
Controlled fermentation of Sweet potato (Ipomoea batatas) var. Beauregard by yeast, Saccharomyces boulardii (MAY 796) to enhance the nutritional value of sweet potato was investigated. An average 8.00 × 10(10) Colony Forming Units (CFU)/g of viable cells were obtained over 5-day high-solid fermentation. Yeast cell viability did not change significantly over time at 4°C whereas the number of viable yeast cells reduced significantly at room temperature (25°C), which was approximately 40% in 12 months. Overall, the controlled fermentation of sweet potato by MAY 796 enhanced protein, crude fiber, neutral detergent fiber, acid detergent fiber, amino acid, and fatty acid levels...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28572935/waffle-production-influence-of-batter-ingredients-on-sticking-of-fresh-egg-waffles-at-baking-plates-part-i-effect-of-starch-and-sugar-components
#9
Regina Huber, Regine Schoenlechner
Fresh egg waffles are a sweet convenience product typically baked from eggs, water, sugar, flour, fat, leavening agents, emulsifiers, preservatives, and flavors. In industrial production, waffles are baked continuously in high amounts of up to 200 kg raw material per hour. Therefore, it is important that the waffles do not stick onto the baking plates, which can cause significant product loss and increased costs due to interruption of the baking process, required cleaning procedures, and restarting of the energy-consuming start-up phase...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28569080/comparison-of-carbohydrate-content-between-grain-containing-and-grain-free-dry-cat-diets-and-between-reported-and-calculated-carbohydrate-values
#10
Lori R Prantil, Cailin R Heinze, Lisa M Freeman
Objectives The aim of this study was to compare the carbohydrate content of grain-containing and grain-free dry cat diets and compare major protein and carbohydrate sources of these diets. Methods This was a cross-sectional study of 77 randomly selected dry cat diets (42 grain-containing, 35 grain-free). Reported carbohydrate values were compared between grain-containing and grain-free cat diets. A subset of 25% of diets from each category (grain-containing and grain-free) was analyzed and nitrogen-free extract was calculated as an estimate of carbohydrate content...
May 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28567489/discovery-of-two-small-circular-ssdna-viruses-associated-with-the-whitefly-bemisia-tabaci
#11
Erich Y T Nakasu, Fernando L Melo, Miguel Michereff-Filho, Tatsuya Nagata, Bergmann M Ribeiro, Simone G Ribeiro, Cristiano Lacorte, Alice K Inoue-Nagata
The complete genome sequences of two novel small circular DNA viruses isolated from sweet-potato whiteflies collected in central-West (AdDF) and Southeast (AdO) regions of Brazil were determined by Next Generation Sequencing (NGS), and confirmed by cloning and Sanger sequencing. The genomes are 2,199 and 2,211 nt-long, respectively, encoding a putative coat protein (CP) and a replication-associated protein (Rep) and showing a genomic organization typical of viruses from the family Genomoviridae. Phylogenetic analysis with deduced amino acid sequences of Rep indicates that the virus from AdO is closely related to other members of the genus Gemycircularvirus, while the virus from AdDF is distantly related to other genomovirus...
May 31, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28554635/anthocyanins-from-purple-sweet-potato-ipomoea-batatas-l-lam-and-their-color-modulation-by-the-addition-of-phenolic-acids-and-food-grade-phenolic-plant-extracts
#12
Claudia C Gras, Nicole Nemetz, Reinhold Carle, Ralf M Schweiggert
Anthocyanin profiles and contents of three purple sweet potato provenances were investigated by HPLC-DAD-MS(n). In contrast to widely uniform profiles, the contents of total (558-2477mg/100gDM) and individual anthocyanins varied widely. Furthermore, quantitative and qualitative effects of intermolecular co-pigmentation were studied by adding chlorogenic and rosmarinic acids, and food-grade phenolic apple and rosemary extracts at various dosages to a diluted purple sweet potato concentrate at pH 0.9, 2.6, 3...
November 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28552989/structure-of-sweet-potato-ipomoea-batatas-diversity-in-west-africa-covaries-with-a-climatic-gradient
#13
Kodjo Glato, Atsou Aidam, Ndjido Ardo Kane, Diallo Bassirou, Marie Couderc, Leila Zekraoui, Nora Scarcelli, Adeline Barnaud, Yves Vigouroux
Sub-Saharan agriculture has been identified as vulnerable to ongoing climate change. Adaptation of agriculture has been suggested as a way to maintain productivity. Better knowledge of intra-specific diversity of varieties is prerequisites for the successful management of such adaptation. Among crops, root and tubers play important roles in food security and economic growth for the most vulnerable populations in Africa. Here, we focus on the sweet potato. The Sweet potato (Ipomoea batatas) was domesticated in Central and South America and was later introduced into Africa and is now cultivated throughout tropical Africa...
2017: PloS One
https://www.readbyqxmd.com/read/28551245/characterizations-of-pickering-emulsions-stabilized-by-starch-nanoparticles-influence-of-starch-variety-and-particle-size
#14
Shengju Ge, Liu Xiong, Man Li, Jing Liu, Jie Yang, Ranran Chang, Caifeng Liang, Qingjie Sun
Pickering emulsions were first successfully fabricated by different types and sizes of corn, tapioca, sweet potato, and waxy corn starch nanoparticles as stabilizers. Photography, optical microscopy, confocal laser scanning microscopy, and rheology measurements were used to characterize Pickering emulsions stabilized by various starch nanoparticles. The results showed that tapioca, sweet potato, and corn starch nanoparticles were appropriate for Pickering emulsion stabilization because the three nanoparticles have nearly neutral wettability (θow ∼90°)...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28550604/microencapsulation-of-%C3%AE-carotene-based-on-casein-guar-gum-blend-using-zeta-potential-yield-stress-phenomenon-an-approach-to-enhance-photo-stability-and-retention-of-functionality
#15
Deepika Thakur, Ashay Jain, Gargi Ghoshal, U S Shivhare, O P Katare
β-Carotene, abundant majorly in carrot, pink guava yams, spinach, kale, sweet potato, and palm oil, is an important nutrient for human health due to its scavenging action upon reactive free radicals wherever produced in the body. Inclusion of liposoluble β-carotene in foods and food ingredients is a challenging aspect due to its labile nature and low absorption from natural sources. This fact has led to the application of encapsulation of β-carotene to improve stability and bioavailability. The present work was aimed to fabricate microcapsules (MCs) of β-carotene oily dispersion using the complex coacervation technique with casein (CA) and guar gum (GG) blend...
May 26, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28539660/a-soluble-starch-synthase-i-gene-ibssi-alters-the-content-composition-granule-size-and-structure-of-starch-in-transgenic-sweet-potato
#16
Yannan Wang, Yan Li, Huan Zhang, Hong Zhai, Qingchang Liu, Shaozhen He
Soluble starch synthase I (SSI) is a key enzyme in the biosynthesis of plant amylopectin. In this study, the gene named IbSSI, was cloned from sweet potato, an important starch crop. A high expression level of IbSSI was detected in the leaves and storage roots of the sweet potato. Its overexpression significantly increased the content and granule size of starch and the proportion of amylopectin by up-regulating starch biosynthetic genes in the transgenic plants compared with wild-type plants (WT) and RNA interference plants...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28516146/interactive-effects-of-gallic-ferulic-caffeic-acids-and-anthocyanins-on-pigment-thermal-stabilities
#17
Bing-Jun Qian, Jian-Hua Liu, Shu-Juan Zhao, Jian-Xiong Cai, Pu Jing
The data presented in this article are related to the research article entitled "The effects of gallic/ferulic/caffeic acids on colour intensification and anthocyanin stability" (Qian et al., 2017) [1]. This paper described preparation and isolation of anthocyanins from purple sweet potatoes (PSP) and the time-course of anthocyanin profiles treated with gallic, ferulic, or caffeic acids at 95 °C. The color appearance of PSPanthocyanins alone, or with gallic, ferulic, or caffeic acids was described after the 15 h of thermal treatment...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28506613/effect-of-high-pressure-on-the-saccharification-of-starch-in-the-tuberous-root-of-sweet-potato-ipomoea-batatas
#18
Toru Shigematsu, Naho Furukawa, Ryo Takaoka, Mayumi Hayashi, Shoji Sasao, Shigeaki Ueno, Kanako Nakajima, Miyuki Kido, Kazuki Nomura, Akinori Iguchi
We analyzed the effect of high hydrostatic pressure (HHP) treatment on reducing sugar production in the tuberous root of sweet potato (Ipomoea batatas), based on pressure-gelatinization of starch and subsequent saccharification by internal amylases. HHP treatment at up to 600MPa at ambient temperature for 10min did not apparently affect the reducing sugar concentration in tuberous root. However, HHP treatment at 100 to 500MPa and 60°C or 70°C for 10min increased reducing sugar concentration as both the pressure and temperature increased...
May 1, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28499009/a-viral-suppressor-of-rna-silencing-inhibits-argonaute-1-function-by-precluding-target-rna-binding-to-pre-assembled-risc
#19
Erzsébet Kenesi, Alberto Carbonell, Rita Lózsa, Beáta Vértessy, Lóránt Lakatos
In most eukaryotes, RNA silencing is an adaptive immune system regulating key biological processes including antiviral defense. To evade this response, viruses of plants, worms and insects have evolved viral suppressors of RNA silencing proteins (VSRs). Various VSRs, such as P1 from Sweet potato mild mottle virus (SPMMV), inhibit the activity of RNA-induced silencing complexes (RISCs) including an ARGONAUTE (AGO) protein loaded with a small RNA. However, the specific mechanisms explaining this class of inhibition are unknown...
May 12, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28497216/genome-characterization-of-sweet-potato-symptomless-virus-1-a-mastrevirus-with-an-unusual-nonanucleotide-sequence
#20
Mengji Cao, Pingxiu Lan, Fan Li, Jorge Abad, Changyong Zhou, Ruhui Li
Complete genomic sequences of nine isolates of sweet potato symptomless virus 1 (SPSMV-1), a virus of the genus Mastrevirus in the family Geminiviridae, were determined from sweet potato accessions from different countries and found to be 2,559-2,602 nucleotides in length. These isolates shared 97-100% genome sequence identity and had an unusual nonanucleotide sequence (TAAGATTCC) in a large intergenic region as well as an additional open reading frame, C3, which is conserved in dicot-infecting mastreviruses...
May 11, 2017: Archives of Virology
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