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https://www.readbyqxmd.com/read/28231171/application-of-hybrid-genetic-algorithm-routine-in-optimizing-food-and-bioengineering-processes
#1
Jaya Shankar Tumuluru, Richard McCulloch
Optimization is a crucial step in the analysis of experimental results. Deterministic methods only converge on local optimums and require exponentially more time as dimensionality increases. Stochastic algorithms are capable of efficiently searching the domain space; however convergence is not guaranteed. This article demonstrates the novelty of the hybrid genetic algorithm (HGA), which combines both stochastic and deterministic routines for improved optimization results. The new hybrid genetic algorithm developed is applied to the Ackley benchmark function as well as case studies in food, biofuel, and biotechnology processes...
November 9, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231088/health-promoting-compounds-in-pigmented-thai-and-wild-rice
#2
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/28230761/transcriptomic-analysis-of-leaf-in-tree-peony-reveals-differentially-expressed-pigments-genes
#3
Jianrang Luo, Qianqian Shi, Lixin Niu, Yanlong Zhang
Tree peony (Paeonia suffruticosa Andrews) is an important traditional flower in China. Besides its beautiful flower, the leaf of tree peony has also good ornamental value owing to its leaf color change in spring. So far, the molecular mechanism of leaf color change in tree peony is unclear. In this study, the pigment level and transcriptome of three different color stages of tree peony leaf were analyzed. The purplish red leaf was rich in anthocyanin, while yellowish green leaf was rich in chlorophyll and carotenoid...
February 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28225056/comparative-rna-seq-analysis-of-transcriptome-dynamics-during-petal-development-in-rosa-chinensis
#4
Yu Han, Huihua Wan, Tangren Cheng, Jia Wang, Weiru Yang, Huitang Pan, Qixiang Zhang
The developmental process that produces the ornate petals of the China rose (Rosa chinensis) is complex and is thought to depend on the balanced expression of a functionally diverse array of genes; however, the molecular basis of rose petal development is largely unknown. Here, petal growth of the R. chinensis cultivar 'Old Blush' was divided into four developmental stages, and RNA-seq technology was used to analyse the dynamic changes in transcription that occur as development progresses. In total, 598 million clean reads and 61,456 successfully annotated unigenes were obtained...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224250/abscisic-acid-sucrose-and-auxin-coordinately-regulate-berry-ripening-process-of-the-fujiminori-grape
#5
Haifeng Jia, Zhenqiang Xie, Chen Wang, Lingfei Shangguan, Ning Qian, Mengjie Cui, Zhongjie Liu, Ting Zheng, Mengqi Wang, Jinggui Fang
The aim of this study was to examine the effect of abscisic acid (ABA), sucrose, and auxin on grape fruit development and to assess the mechanism of these three factors on the grape fruit ripening process. Different concentrations of ABA, sucrose, and auxin were used to treat the grape fruit, and the ripening-related indices, such as physiological and molecular level parameters, were analyzed. The activity of BG protein activity was analyzed during the fruit development. Sucrose, ABA, and auxin influenced the grape fruit sugar accumulation in different ways, as well as the volatile compounds, anthocyanin content, and fruit firmness...
February 21, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28224017/the-effect-of-carbamic-acid-1-2-3-thiadiazole-4-ylcarbonyl-hexyl-ester-on-peronophythora-litchii-infection-quality-and-physiology-of-postharvest-litchi-fruits
#6
Hai Liu, Guoxing Jing, Yueming Jiang, Fuying Luo, Zaifeng Li
BACKGROUND: Litchi (Litchi chinensis Sonn.) is a subtropical fruit with attractive characteristic of white to creamy semitranslucent flesh and red color in pericap, but it was easily subjected to the infection of Peronophythora litchii and lost its market values. Experiments were conducted to understand the effect of [Carbamic acid, (1,2,3-thiadiazole-4-ylcarbonyl)-hexyl ester, CTE] on the growth of P. litchi and quality properties in litchi fruits during postharvest storage. RESULTS: In vitro experiments, CTE with minimum inhibitory concentration (MIC, 5 mg/L) and minimum fungicidal concentration (MFC, 10 mg/L) were against the growth of P...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28223989/ufgt-the-key-enzyme-associated-with-the-petals-variegation-in-japanese-apricot
#7
Xinxin Wu, Qinghua Gong, Xiaopeng Ni, Yong Zhou, Zhihong Gao
Japanese apricot (Prunus mume Sieb.et Zucc.) is an important ornamental plant in China. One of the traits of petals color variegation is attractive, but its formation mechanism is unclear. In our study, RNA-seq technology was employed to characterize the transcriptome response to the mutation of "Fuban Tiaozhi" associated with petals variegation in Japanese apricot. As a result, 4,579,040 (white-flowered, WF) and 7,269,883 (red-flowered, RF) reads were mapped to P. persica genes, while 5,006,676 (WF) and 7,907,436 (RF) were mapped to P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28221980/inactivation-of-yeast-on-grapes-by-plasma-activated-water-and-its-effects-on-quality-attributes
#8
Jian Guo, Kang Huang, Xiao Wang, Chenang Lyu, Nannan Yang, Yanbin Li, Jianping Wang
Plasma-activated water (PAW) is a promising nonthermal technology in food preservation and food safety. The inactivation efficacy of PAW was investigated against Saccharomyces cerevisiae CICC 1374 inoculated on grape berries. PAW30 and PAW60 were obtained by activating water with plasma for 30 and 60 min, respectively. Grapes were directly treated with PAW, and a 0.38- to 0.53-log CFU/ml reduction of S. cerevisiae was achieved in a time-dependent manner (P < 0.05). The oxidation-reduction potential and pH values of PAW30 and PAW60 were also in a time-dependent manner (P < 0...
February 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28221821/enhanced-neural-activation-with-blueberry-supplementation-in-mild-cognitive-impairment
#9
Erin L Boespflug, James C Eliassen, Jonathan A Dudley, Marcelle D Shidler, Wilhelmina Kalt, Suzanne S Summer, Amanda L Stein, Amanda N Stover, Robert Krikorian
OBJECTIVES: Preclinical studies have shown that blueberry supplementation can improve cognitive performance and neural function in aged animals and have identified associations between anthocyanins and such benefits. Preliminary human trials also suggest cognitive improvement in older adults, although direct evidence of enhancement of brain function has not been demonstrated. In this study, we investigated the effect of blueberry supplementation on regional brain activation in older adults at risk for dementia...
February 21, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28218732/hydrophilic-dogwood-extracts-as-materials-for-reducing-the-skin-irritation-potential-of-body-wash-cosmetics
#10
Zofia Nizioł-Łukaszewska, Paweł Osika, Tomasz Wasilewski, Tomasz Bujak
A significant problem related to the use of surfactants in body wash cosmetics is their propensity to trigger skin irritations. Only scarce literature exists on the effect of plant extracts on the skin irritation potential. The present study is an attempt to determine the effect of hydrophilic dogwood extracts on the irritant potential of body wash gels. Extractants used in the study were water and mixtures of water with glycerine, water with trimethylglycine (betaine), and water with plant-derived glycol (propanediol)...
February 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28218720/time-concentration-and-ph-dependent-transport-and-uptake-of-anthocyanins-in-a-human-gastric-epithelial-nci-n87-cell-line
#11
Allison A Atnip, Gregory T Sigurdson, Joshua Bomser, M Mónica Giusti
Anthocyanins are the largest class of water soluble plant pigments and a common part of the human diet. They may have many potential health benefits, including antioxidant, anti-inflammatory, anti-cancer, and cardioprotective activities. However, anthocyanin metabolism is not well understood. Studies suggest that anthocyanins absorption may occur in the stomach, in which the acidic pH favors anthocyanin stability. A gastric epithelial cell line (NCI-N87) has been used to study the behavior of anthocyanins at a pH range of 3...
February 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28216591/iron-supply-affects-anthocyanin-content-and-related-gene-expression-in-berries-of-vitis-vinifera-cv-cabernet-sauvignon
#12
Pengbao Shi, Bing Li, Haiju Chen, Changzheng Song, Jiangfei Meng, Zhumei Xi, Zhenwen Zhang
Anthocyanins are important compounds for red grape and red wine quality, and can be influenced by supply of nutrients such as nitrogen, phosphorus, potassium, zinc, and iron. The present work aims to gain a better understanding of the effect of iron supply on anthocyanins concentration in grape berries. To this end, own-rooted four-year-old Cabernet Sauvignon grapevines (Vitis vinifera) were fertigated every three days with 0, 23, 46, 92, and 184 μM iron (Fe) from ferric ethylenediamine di (o-hydroxyphenylacetic) acid (Fe-EDDHA) in a complete nutrient solution...
February 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28216162/genome-wide-identification-of-glabra3-downstream-genes-for-anthocyanin-biosynthesis-and-trichome-formation-in-arabidopsis
#13
Chenhao Gao, Dong Li, Changyu Jin, Shaowei Duan, Shuanghui Qi, Kaige Liu, Hanchen Wang, Haoli Ma, Jiangbo Hai, Mingxun Chen
GLABRA3 (GL3), a bHLH transcription factor, has previously proved to be involved in anthocyanin biosynthesis and trichome formation in Arabidopsis, however, its downstream targeted genes are still largely unknown. Here, we found that GL3 was widely present in Arabidopsis vegetative and reproductive organs. New downstream targeted genes of GL3 for anthocyanin biosynthesis and trichome formation were identified in young shoots and expanding true leaves by RNA sequencing. GL3-mediated gene expression was tissue specific in the two biological processes...
February 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28215316/aronia-berry-polyphenol-consumption-reduces-plasma-total-and-low-density-lipoprotein-cholesterol-in-former-smokers-without-lowering-biomarkers-of-inflammation-and-oxidative-stress-a-randomized-controlled-trial
#14
Liyang Xie, Terrence Vance, Bohkyung Kim, Sang Gil Lee, Christian Caceres, Ying Wang, Patrice A Hubert, Ji-Young Lee, Ock K Chun, Bradley W Bolling
Former smokers are at increased risk for cardiovascular disease. We hypothesized that dietary aronia polyphenols would reduce biomarkers of cardiovascular disease risk, inflammation, and oxidative stress in former smokers. We also determined the extent these effects were associated with polyphenol bioavailability. A 12-week, randomized, placebo-controlled trial was conducted in 49 healthy adult former smokers (n = 24/placebo, n = 25/aronia) to evaluate if daily consumption of 500 mg aronia extract modulated plasma lipids, blood pressure, biomarkers of inflammation and oxidative stress, and lipid transport genes of peripheral blood mononuclear cells...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28213230/the-pentafluorophenyl-stationary-phase-shows-a-unique-separation-efficiency-for-performing-fast-chromatography-determination-of-highbush-blueberry-anthocyanins
#15
Barbora Šmídová, Dalibor Šatínský, Kateřina Dostálová, Petr Solich
A high-performance liquid chromatography method using an alternative pentafluorophenyl (PFP) core-shell stationary phase has been developed and used for rapid separation of 23 anthocyanins in a highbush blueberry Bluehaven cultivar. A high efficiency of separation of anthocyanins was achieved in the core-shell column Kinetex PFP, 150×4.6mm (particle size 2.6µm) with a 5×4.6mm precolumn, using a simple linear gradient elution with a mobile phase of acetonitrile and a water solution of 2% formic acid at a flow rate of 1...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213142/extraction-preparation-and-application-of-pigments-from-cordyline-fruticosa-and-hylocereus-polyrhizus-as-sensitizers-for-dye-sensitized-solar-cells
#16
Mahmoud A M Al-Alwani, Norasikin A Ludin, Abu Bakar Mohamad, Abd Amir H Kadhum, Kamaruzzaman Sopian
Current study employs mixture of chlorophyll-anthocyanin dye extracted from leaves of Cordyline fruticosa as new sensitizers for dye-sensitized solar cell (DSSCs), as well as betalains dye obtained from fruit of Hylocereus polyrhizus. Among ten pigments solvents, the ethanol and methanol extracts revealed higher absorption spectra of pigments extracted from C. fruticosa and H. polyrhizus respectively. A major effect of temperature increase was studied to increase the extraction yield. The results indicated that extraction temperature between 70 and 80°C exhibited a high dye concentration of each plant than other temperatures...
February 14, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28212704/neurochemical-differences-in-learning-and-memory-paradigms-among-rats-supplemented-with-anthocyanin-rich-blueberry-diets-and-exposed-to-acute-doses-of-56-fe-particles
#17
Shibu M Poulose, Bernard M Rabin, Donna F Bielinski, Megan E Kelly, Marshall G Miller, Nopporn Thanthaeng, Barbara Shukitt-Hale
The protective effects of anthocyanin-rich blueberries (BB) on brain health are well documented and are particularly important under conditions of high oxidative stress, which can lead to "accelerated aging." One such scenario is exposure to space radiation, consisting of high-energy and -charge particles (HZE), which are known to cause cognitive dysfunction and deleterious neurochemical alterations. We recently tested the behavioral and neurochemical effects of acute exposure to HZE particles such as (56)Fe, within 24-48h after exposure, and found that radiation primarily affects memory and not learning...
February 2017: Life Sciences in Space Research
https://www.readbyqxmd.com/read/28212568/an-anthocyanin-rich-strawberry-extract-induces-apoptosis-and-ros-while-decreases-glycolysis-and-fibrosis-in-human-uterine-leiomyoma-cells
#18
Md Soriful Islam, Francesca Giampieri, Milijana Janjusevic, Massimiliano Gasparrini, Tamara Y Forbes-Hernandez, Luca Mazzoni, Stefania Greco, Stefano Raffaele Giannubilo, Andrea Ciavattini, Bruno Mezzetti, Franco Capocasa, Mario Castellucci, Maurizio Battino, Pasquapina Ciarmela
Uterine leiomyomas are highly prevalent benign tumors in reproductive aged women. Unfortunately, medical treatments are still limited and no preventive therapies have been developed. In the present study, we investigated the therapeutic effects of strawberry extract on uterine leiomyoma cells. Leiomyoma and myometrial cells were treated with strawberry (cultivar Alba) extract (250 μg/ml) for 48 h to measure apoptosis, reactive oxygen species (ROS), oxidative phosphorylation (OCR, oxygen consumption rate) and glycolysis (ECAR, extracellular acidification rate) as well as fibrosis associated gene and/or protein expression...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212330/synthesis-of-8-aryl-o-methylcyanidins-and-their-usage-for-dye-sensitized-solar-cell-devices
#19
Yuki Kimura, Kin-Ichi Oyama, Yasujiro Murata, Atsushi Wakamiya, Kumi Yoshida
Anthocyanins as natural pigments are colorful and environmentally compatible dyes for dye-sensitized solar cells (DSSCs). To increase the efficiency, we designed and synthesized unnatural O-methylflavonols and O-methylcyanidins that possess an aryl group at the 8-position. We synthesized per-O-methylquercetin from quercetin, then using selective demethylation prepared various O-methylquercetins. Using the Suzuki-Miyaura coupling reaction, 8-arylation of per-O-methylquercetin was achieved. Using a LiAlH₄ reduction or Clemmensen reduction, these flavonols were transformed to the corresponding cyanidin derivatives in satisfactory yields...
February 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28212306/metabolic-effects-of-berries-with-structurally-diverse-anthocyanins
#20
John Overall, Sierra A Bonney, Mickey Wilson, Arnold Beermann, Mary H Grace, Debora Esposito, Mary Ann Lila, Slavko Komarnytsky
Overconsumption of energy dense foods and sedentary lifestyle are considered as major causes of obesity-associated insulin resistance and abnormal glucose metabolism. Results from both cohort studies and randomized trials suggested that anthocyanins from berries may lower metabolic risks, however these reports are equivocal. The present study was designed to examine effects of six berries with structurally diverse anthocyanin profiles (normalized to 400 µg/g total anthocyanin content) on development of metabolic risk factors in the C57BL/6 mouse model of polygenic obesity...
February 15, 2017: International Journal of Molecular Sciences
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