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https://www.readbyqxmd.com/read/28737681/nutrient-and-total-polyphenol-contents-of-dark-green-leafy-vegetables-and-estimation-of-their-iron-bioaccessibility-using-the-in-vitro-digestion-caco-2-cell-model
#1
Francis Kweku Amagloh, Richard Atinpoore Atuna, Richard McBride, Edward Ewing Carey, Tatiana Christides
Dark green leafy vegetables (DGLVs) are considered as important sources of iron and vitamin A. However, iron concentration may not indicate bioaccessibility. The objectives of this study were to compare the nutrient content and iron bioaccessibility of five sweet potato cultivars, including three orange-fleshed types, with other commonly consumed DGLVs in Ghana: cocoyam, corchorus, baobab, kenaf and moringa, using the in vitro digestion/Caco-2 cell model. Moringa had the highest numbers of iron absorption enhancers on an "as-would-be-eaten" basis, β-carotene (14169 μg/100 g; p < 0...
July 22, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28728684/healthful-and-unhealthful-plant-based-diets-and-the-risk-of-coronary-heart%C3%A2-disease-in-u-s-adults
#2
Ambika Satija, Shilpa N Bhupathiraju, Donna Spiegelman, Stephanie E Chiuve, JoAnn E Manson, Walter Willett, Kathryn M Rexrode, Eric B Rimm, Frank B Hu
BACKGROUND: Plant-based diets are recommended for coronary heart disease (CHD) prevention. However, not all plant foods are necessarily beneficial for health. OBJECTIVES: This study sought to examine associations between plant-based diet indices and CHD incidence. METHODS: We included 73,710 women in NHS (Nurses' Health Study) (1984 to 2012), 92,329 women in NHS2 (1991 to 2013), and 43,259 men in Health Professionals Follow-up Study (1986 to 2012), free of chronic diseases at baseline...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28718017/occurrence-and-transformations-of-carbon-nitrogen-and-phosphorus-related-to-particle-size-fraction-of-sweet-potato-starch-wastewater-during-hydrolytic-acidification-processes
#3
Haixiao Zhu, Long Qin, Yue Hu, Dongyang Wei, Zibin Hai, Aimin Li, Xianchuan Xie, Chao Han
Sweet potato starch wastewater (SPSW) is an industrial food-processing waste product, which is a significant pollution source due to its high chemical oxygen demand (COD), nitrogen, and phosphorus loads. The influence of hydrolytic acidification (HA) process on C, N, and P as well as other main parameters were evaluated. It is essential to treat these wastewaters with effective methods such as HA, a general pretreatment application. In this study, we investigate the scientific link between the changes of different fractions of C, N, and P with particle size distribution in response to the newly introduced HA process...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28714369/sporamin-induces-apoptosis-and-inhibits-nf-%C3%AE%C2%BAb-activation-in-human-pancreatic-cancer-cells
#4
Cuijuan Qian, Xiaoying Chen, Yongxiao Qi, Sheng Zhong, Xinyan Gao, Wenjun Zheng, Zhixiang Mao, Jun Yao
Sporamin, a Kunitz-type trypsin inhibitor (TI) from sweet potato tuberous roots, has demonstrated anti-tumor activity through poorly defined mechanisms. Furthermore, the effects of sporamin on pancreatic cancer have not been explored. Herein, we studied the effects of sporamin on two human pancreatic cancer cell lines, PANC-1 and BxPC-3. Sporamin significantly inhibited the cell viability and proliferation activity and induced apoptosis in PANC-1 and BxPC-3 cells. Consistently, in sporamin-treated PANC-1 and BxPC-3 cells, the anti-apoptotic proteins Bcl-2 and Bcl-XL were downregulated and the pro-apoptotic protein Bax was upregulated...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28704469/the-relationship-between-a-low-grain-intake-dietary-pattern-and-impulsive-behaviors-in-middle-aged-japanese-people
#5
Atsuhito Toyomaki, Minori Koga, Emiko Okada, Yukiei Nakai, Akane Miyazaki, Akiko Tamakoshi, Yoshinobu Kiso, Ichiro Kusumi
Several studies indicate that dietary habits are associated with mental health. We are interested in identifying not a specific single nutrient/food group but the population preferring specific food combinations that can be related to mental health. Very few studies have examined relationships between dietary patterns and multifaceted mental states using cluster analysis. The purpose of this study was to investigate population-level dietary patterns associated with mental state using cluster analysis. We focused on depressive state, sleep quality, subjective well-being, and impulsive behaviors using rating scales...
2017: PloS One
https://www.readbyqxmd.com/read/28697474/extraction-of-natural-colorant-from-purple-sweet-potato-and-dyeing-of-fabrics-with-silver-nanoparticles-for-augmented-antibacterial-activity-against-skin-pathogens
#6
Palanivel Velmurugan, Jae-In Kim, Kangmin Kim, Jung-Hee Park, Kui-Jae Lee, Woo-Suk Chang, Yool-Jin Park, Min Cho, Byung-Taek Oh
The main objective of this study was to extract natural colorant from purple sweet potato powder (PSPP) via a water bath and ultrasound water bath using acidified ethanol (A. EtOH) as the extraction solvent. When optimizing the colorant extraction conditions of the solvents, acidified ethanol with ultrasound yielded a high extraction capacity and color intensity at pH2, temperature of 80°C, 20mL of A. EtOH, 1.5g of PSPP, time of 45min, and ultrasonic output power of 75W. Subsequently, the colorant was extracted using the optimized conditions for dyeing of textiles (leather, silk, and cotton)...
July 4, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28693237/inhibitory-effects-of-delphinidin-on-the-proliferation-of-ovarian-cancer-cells-via-pi3k-akt-and-erk-1-2-mapk-signal-transduction
#7
Whasun Lim, Gwonhwa Song
Delphinidin is a member of the anthocyanidin family and is a natural pigment in red cabbage, berries, sweet potatoes and grapes. It possesses nutraceutical properties against various chronic diseases and types of cancer. However, little is known about its preventative effects on epithelial ovarian cancer, a disease that is associated with a low survival rate, a poor prognosis and a high rate of recurrence. The results of the present study demonstrated that the proliferation of SKOV3 cells decreased in a dose-dependent manner in response to treatment with delphinidin, and the phosphorylation of carcinogenic protein kinases associated with the progression of epithelial ovarian cancer was affected by delphinidin treatment...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28691514/effect-of-heat-treatment-to-sweet-potato-flour-on-dough-properties-and-characteristics-of-sweet-potato-wheat-bread
#8
Isela Carballo Pérez, Tai-Hua Mu, Miao Zhang, Lei-Lei Ji
The effect of heat treatment at 90, 100, 110 and 120 ℃ for 20 min to sweet potato flour on dough properties and characteristics of sweet potato-wheat bread was investigated. The lightness (L*) and a* of sweet potato flour samples after heat treatment were increased, while the b* were decreased significantly, as well as the particle size, volume and area mean diameter ( p < 0.05). A slight change of the microstructures of sweet potato flour was observed, where the number of irregular granules increased as the temperature increased from 90 to 120 ℃...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
https://www.readbyqxmd.com/read/28690616/comparative-transcriptome-analysis-reveals-critical-function-of-sucrose-metabolism-related-enzymes-in-starch-accumulation-in-the-storage-root-of-sweet-potato
#9
Kai Zhang, Zhengdan Wu, Daobin Tang, Kai Luo, Huixiang Lu, Yingying Liu, Jie Dong, Xin Wang, Changwen Lv, Jichun Wang, Kun Lu
The starch properties of the storage root (SR) affect the quality of sweet potato (Ipomoea batatas (L.) Lam.). Although numerous studies have analyzed the accumulation and properties of starch in sweet potato SRs, the transcriptomic variation associated with starch properties in SR has not been quantified. In this study, we measured the starch and sugar contents and analyzed the transcriptome profiles of SRs harvested from sweet potatoes with high, medium, and extremely low starch contents, at five developmental stages [65, 80, 95, 110, and 125 days after transplanting (DAP)]...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28672044/life-cycle-energy-efficiency-and-environmental-impact-assessment-of-bioethanol-production-from-sweet-potato-based-on-different-production-modes
#10
Jun Zhang, Chunrong Jia, Yi Wu, Xunfeng Xia, Beidou Xi, Lijun Wang, Youlong Zhai
The bioethanol is playing an increasingly important role in renewable energy in China. Based on the theory of circular economy, integration of different resources by polygeneration is one of the solutions to improve energy efficiency and to reduce environmental impact. In this study, three modes of bioethanol production were selected to evaluate the life cycle energy efficiency and environmental impact of sweet potato-based bioethanol. The results showed that, the net energy ratio was greater than 1 and the value of net energy gain was positive in the three production modes, in which the maximum value appeared in the circular economy mode (CEM)...
2017: PloS One
https://www.readbyqxmd.com/read/28665302/glucose-content-and-in-vitro-bioaccessibility-in-sweet-potato-and-winter-squash-varieties-during-storage
#11
Fernanda Zaccari, María Cristina Cabrera, Ali Saadoun
Glucose content and in vitro bioaccessibility were determined in raw and cooked pulp of Arapey, Cuabé, and Beauregard sweet potato varieties, as well as Maravilla del Mercado and Atlas winter squash, after zero, two, four, and six months of storage (14 °C, 80% relative humidity (RH)). The total glucose content in 100 g of raw pulp was, for Arapey, 17.7 g; Beauregard, 13.2 g; Cuabé, 12.6 g; Atlas, 4.0 g; and in Maravilla del Mercado, 4.1 g. These contents were reduced by cooking process and storage time, 1...
June 30, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28653506/effect-of-different-home-cooking-methods-on-textural-and-nutritional-properties-of-sweet-potato-genotypes-grown-in-temperate-climate-conditions
#12
Carlo Nicoletto, Fabio Vianello, Paolo Sambo
BACKGROUND: The EU market for sweet potato is small but considerably growing and increasing by 100% over the last five years. Cultivation of sweet potato in temperate climate conditions is not deeply considered and could be a new opportunity for EU market. Healthy and qualitative traits of different sweet potato cultivars grown in temperate climate conditions were evaluate following four cooking methods. RESULTS: Traditional cultivars showed high hardness and adhesiveness values...
June 26, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28650990/identification-of-soil-p-fractions-that-are-associated-with-p-loss-from-surface-runoff-under-various-cropping-systems-and-fertilizer-rates-on-sloped-farmland
#13
Xinghua Li, Baona Wang, Tewu Yang, Duanwei Zhu, Zhongnan Nie, Junchi Xu
Soil phosphorus (P) fractions and runoff P concentration were measured to understand the fate of soil P entering surface runoff water during summer cropping season of different double cropping systems under two fertilizer regimes. The dominant form of runoff P was particulate P (PP). Runoff total P (TP) was higher at the vegetative growth stage and lower at the crop reproductive stage. TP and PP were derived mainly from soil Olsen-P, Al-P and Fe-P and amounts increased with sediment content in runoff water...
2017: PloS One
https://www.readbyqxmd.com/read/28642779/mitigating-groundwater-depletion-in-north-china-plain-with-cropping-system-that-alternate-deep-and-shallow-rooted-crops
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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)
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