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https://www.readbyqxmd.com/read/28931207/study-on-the-effects-of-several-operational-variables-on-the-enzymatic-batch-saccharification-of-orange-solid-waste
#1
Isabel de la Torre, Marianela Ravelo, Silvia Segarra, Marta Tortajada, Victoria E Santos, Miguel Ladero
In this work, batch enzyme-aided extraction and enzymatic saccharification of blade-milled orange waste was studied. The operation variables for this process were thoroughly analysed. It was determined that batch runs with initial pH values of 5.0 and 5.2 controlled during the first hour, 50°C and 300-500r.p.m. agitation resulted in the best yields, with a limited total and partial first-order enzyme deactivation (for cellulases and polygalacturonidase, respectively). Orange peel waste (OPW) at 6.7% w/w dry solid, 0...
August 20, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28930217/influence-of-different-isolation-methods-on-chemical-composition-and-bioactivities-of-the-fruit-peel-oil-of-citrus-medica-l-var-sarcodactylis-noot-swingle
#2
Gang Deng, Jonathan D Craft, Kelly Marie Steinberg, Pei Lei Li, Suraj Kumar Pokharel, William N Setzer
Background: The chemical composition and bioactivities of essential oils (EOs) of fingered citron (Citrus medica L. var. sarcodactylis (Noot.) Swingle) are considerably sensitive and lapsible during high-temperature processing of traditional separating techniques. In the present research, vacuum distillation and ultrafiltration were utilized in order to process the concentrated juice from fingered citron, obtaining a high-quality essential oil. Methods: In order to compare the essential oils obtained by conventional means, the chemical compositions of the essential oils were analyzed using GC-MS, before antimicrobial and antioxidant screening assays were carried out...
January 4, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28928721/onion-peel-ethylacetate-fraction-and-its-derived-constituent-quercetin-4-o-%C3%AE-d-glucopyranoside-attenuates-quorum-sensing-regulated-virulence-and-biofilm-formation
#3
Hanan M Al-Yousef, Atallah F Ahmed, Nasser A Al-Shabib, Sameen Laeeq, Rais A Khan, Md T Rehman, Ali Alsalme, Mohamed F Al-Ajmi, Mohammad S Khan, Fohad M Husain
The resistance and pathogenesis of bacteria could be related to their ability to sense and respond to population density, termed quorum sensing (QS). Inhibition of the QS system is considered as a novel strategy for the development of antipathogenic agents, especially for combating drug-resistant bacterial infections. In the present study, the anti-QS activity of Onion peel ethylacetate fraction (ONE) was tested against Chromobacterium violaceum CV12472 and Pseudomonas aeruginosa PAO1. ONE inhibit the QS-mediated virulence factors production such as violacein in C...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28928530/influence-of-drying-process-and-particle-size-of-persimmon-fibre-on-its-physicochemical-antioxidant-hydration-and-emulsifying-properties
#4
R Martínez-Las Heras, E F Landines, A Heredia, M L Castelló, A Andrés
Persimmon, given its current surplus production, could be an alternative source for the extraction of certain interesting ingredients for the food industry and human health, such as fibre. Thus, the aim of this study was to analyse the influence of hot air and freeze-drying, as well as the particle size of fibre extracted from persimmon peels or pulp on their physicochemical, antioxidant, hydration and emulsifying properties, compared to commercial fibres (from peach, lemon, orange and apple). The results showed that both freeze-dried persimmon pulp and freeze-dried peel had better hydration properties and oil holding capacity than other fibres analysed, although the swelling capacity was higher for lemon fibre...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28928529/antioxidant-properties-and-phenolic-profile-characterization-by-lc-ms-ms-of-selected-tunisian-pomegranate-peels
#5
Mouna Abid, Héla Yaich, Salma Cheikhrouhou, Ibtihel Khemakhem, Mohamed Bouaziz, Hamadi Attia, M A Ayadi
Antioxidant contents and activities of different extracts from four Tunisian pomegranate peels, locally called "Acide", "Gabsi", "Nebli" and "Tounsi", were studied. Peels samples were extracted with three solvents (water, ethanol and acetone). For each extract, the total phenol contents and antioxidant activity were evaluated. The highest values of polyphenol, tannins, flavonoids and anthocyanins were recorded in the acetone extract of Acide ecotype with 304.6 mg gallic acid equivalent/g; 292.23 mg gallic acid equivalent/g; 15...
August 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28926186/levels-of-beta-trace-protein-in-optic-disc-pit-with-macular-detachment
#6
Karim Makdoumi, Torbjörn K Nilsson, Sven Crafoord
BACKGROUND: To report beta-trace protein (βTP) levels in the subretinal fluid (SRF) of four patients with a macular detachment associated with optic disc pit (ODP). METHODS: Four patients with a serous retinal detachment involving the macula was operated by pars plana vitrectomy (PPV) with C2 F6 gas tamponade and peeling of internal limiting membrane (ILM). Patients with a follow-up period exceeding one year postoperatively were included in the study. The SRF was drained using a fine cannula without laser photocoagulation, and the samples were analysed using particle-enhancing nephelometry...
September 19, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28922880/a-side-door-to-meckel-s-cave-anatomic-feasibility-study-for-the-lateral-transorbital-approach
#7
Blake Harrison Priddy, Cristian Ferrareze Nunes, Andre Beer-Furlan, Ricardo Carrau, Iacopo Dallan, Daniel Monte-Serrat Prevedello
BACKGROUND: In the last decade, endoscopic skull base surgery has significantly developed and generated a plethora of techniques and approaches for access to the cranial ventral floor. However, the exploration for the least-aggressive, maximally efficient approach continues. OBJECTIVE: To describe in detail an anatomical study, along with the technical nuances of a novel endoscopic approach to Meckel's Cave (MC) using a lateral transorbital (LTO) route. METHODS: Eighteen orbits of injected cadaveric specimens were operated on, using an endoscopic LTO approach to MC, middle cranial fossa, and paramedian skull base preserving the orbital rim...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922122/semi-automatic-generation-of-stream-surfaces-via-sketching
#8
Jun Tao, Chaoli Wang
We present a semi-automatic approach for stream surface generation. Our approach is based on the conjecture that good seeding curves can be inferred from a set of streamlines. Given a set of densely traced streamlines over the flow field, we design a sketch-based interface that allows users to describe their perceived flow patterns through drawing simple strokes directly on top of the streamline visualization results. Based on the 2D stroke, we identify a 3D seeding curve and generate a stream surface that captures the flow pattern of streamlines at the outermost layer...
September 15, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28920811/salt-bath-as-a-treatment-for-idiopathic-dermatitis-in-captive-nile-hippopotamus-hippopotamus-amphibius
#9
Kelly E Helmick
Ulcerative skin lesions were observed in two captive adult female hippos (Hippopotamus amphibius) from a zoological collection. Lesions appeared as cracking, peeling, or vesicles of the skin affecting the lateral and ventral aspects of the neck, limbs, thorax, and abdomen, dorsum, toes, and perineal region. Some lesions drained blood, serum, or purulent material. Histologic evaluation of sloughed skin consisted of deep dermal collagen with bacterial cellulitis and vasculitis and superficial fungal colonization...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28917878/cellulose-nanocrystals-from-passion-fruit-peels-waste-as-antibiotic-drug-carrier
#10
Christian J Wijaya, Stephanie N Saputra, Felycia E Soetaredjo, Jindrayani N Putro, Chun X Lin, Alfin Kurniawan, Yi-Hsu Ju, Suryadi Ismadji
Due to its excellent chemical and physical properties, cellulose nanocrystals (CNC) possess many potential advanced functional applications. In this study, CNC was extracted from natural product by hydrolyzing cellulose segment of passionfruit peels using sulphuric acid solution. The capability of CNC as drug carrier was tested toward tetracycline antibiotic. The drug loading processes were carried out at various pH (3-7) with the optimum uptake of tetracycline achieved at pH 3. The in vitro release of tetracycline drug was carried out in phosphoric buffer medium with two different pH conditions at 37°C...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917795/portable-near-infrared-spectroscopy-applied-to-quality-control-of-brazilian-coffee
#11
Radigya M Correia, Flavia Tosato, Eloilson Domingos, Rayza R T Rodrigues, Luiz Felipe M Aquino, Paulo R Filgueiras, Valdemar Lacerda, Wanderson Romão
The use of portable micro-spectrometers such as a micro near infrared region (microNIR) spectrometer is a promising technique for solving analytical problems in several areas of science. This work evaluated the potential of microNIR in quality control of Arabica coffee. Arabica coffee has a high commercial value product, motivating the development of analytical methods with high sensitivity and accuracy for detection of its adulteration. Herein, microNIR was successfully used to determine the quality of Arabica coffee by identification and quantification of adulterations such as Robusta coffee (in different roasting levels), as well as corn, peels, and sticks...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28916460/the-effect-of-viroid-infection-of-citrus-trees-on-the-amoebicidal-activity-of-maltese-half-blood-citrus-sinensis-against-trophozoite-stage-of-acanthamoeba-castellanii-neff
#12
Ghaya Zouaghi, Asma Najar, Olfa Chiboub, Ines Sifaoui, Manef Abderrabba, Jacob Lorenzo Morales
In order to promote a local Tunisian product, this study was designed to examine, for the first time, the anti-Acanthamoeba activity (Acanthamoeba castellanii Neff) of the essential oils of Tunisian Citrus sinensis peels (Maltese half-blood) and the effect of viroid plant infection on this activity. To do so, three samples of peels' essential oils were studied: from a healthy plant (Control), a plant inoculated with Citrus exocortis viroid (CEVd) and one inoculated with hot stunt cachexia viroid (HSVd). The samples were extracted by hydrodistillation from dried peels and characterized by GC-MS...
September 12, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28915490/bioremoval-of-zinc-and-manganese-by-bacterial-biofilm-a-bioreactor-based-approach
#13
Trishna Pani, Anamika Das, Jabez Williams Osborne
Industrialization has led to the disposal of a massive amount of heavy metals every year, showing perilous effects on humans, marine life and agricultural products. There are numerous chemical and biological approaches available but their implementation is limited due to high cost and low efficiency. Therefore, the present study was focused on the biofilm- based bioremoval of heavy metals (zinc and manganese) using indigenous bacteria isolated from the tannery sludge obtained from Ranipet, Tamil Nadu. The effective isolate was capable of tolerating up to 2000mg/L of zinc and manganese and was further used for development of biofilm on the peels of Cucumis sativus...
September 6, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28915290/lifting-the-lower-face-with-an-absorbable-polydioxanone-pdo-thread
#14
Kian Karimi, Alexandra Reivitis
Traditional rejuvenation techniques include chemical peels, rhytidectomy of the skin, laser resurfacing, injection of dermal fillers and neurotoxins, and invasive surgical procedures. Patients with brow ptosis, jowl formation, and deepening nasolabial folds currently seek antiaging procedures with no incisions and minimal downtime such as thread-lifting with barbed sutures. The present report describes a case in which polydioxanone threads were used to lift the lower third of a patient's face. Fillers were used to supplement the results achieved by the thread lift because often, when tissue has been lifted, volume deficits are revealed, which can be corrected with dermal fillers...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28915232/effects-of-early-nutrition-and-growth-on-brain-volumes-white-matter-microstructure-and-neurodevelopmental-outcome-in-preterm-newborns
#15
Caterina Coviello, Kristin Keunen, Karina J Kersbergen, Floris Groenendaal, Alexander Leemans, Barbara Peels, Ivana Isgum, Max A Viergever, Linda S de Vries, Giuseppe Buonocore, Virgilio P Carnielli, Manon J N L Benders
BACKGROUND: This study aimed to investigate the effect of nutrition and growth during the first 4 weeks after birth on cerebral volumes and white matter maturation at term equivalent age(TEA) and on neurodevelopmental outcome at 2 years corrected age(CA), in preterm infants. METHODS: 131 infants born at a gestational age(GA)<31weeks with MRI at TEA were studied. Cortical gray matter volumes(CGM), basal ganglia and thalami(BGT) volumes, cerebellar volumes and total brain volume(TBV) were computed...
September 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28915129/atypical-exit-wound-in-high-voltage-electrocution
#16
Jamshid Parakkattil, Shanmugam Kandasamy, Siddhartha Das, Gerard Pradeep Devnath, Vinod Ashok Chaudhari, Kusa Kumar Shaha
Electrocution fatality cases are difficult to investigate. High-voltage electrocution burns resemble burns caused by other sources, especially if the person survives for few days. In that case, circumstantial evidence if correlated with the autopsy findings helps in determining the cause and manner of death. In addition, the crime scene findings also help to explain the pattern of injuries observed at autopsy. A farmer came in contact with a high-voltage transmission wire and sustained superficial to deep burns over his body...
September 14, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28914949/influence-of-flavonol-rich-excipient-food-onion-peel-and-dendropanax-morbifera-on-the-bioavailability-of-green-tea-epicatechins-in-vitro-and-in-vivo
#17
Eun-Hye Choi, Da-Yeon Lee, SuKyung Kim, Jin-Oh Chung, Jin-Kyu Choi, Kyung-Mi Joo, Hyun Woo Jeong, Jeong Kee Kim, Wan Gi Kim, Soon-Mi Shim
The impacts of onion peel (OP) and Dendropanax morbifera (DM), as excipient foods rich in flavonols, on the digestive recovery, intestinal absorption, and pharmacokinetics of GT epicatechins were studied via an in vitro digestion model system with Caco-2 cells and an in vivo study. The digestive stability of total epicatechins recovered from GT upon the addition of 2% DM was up to 1.12 times higher than that observed with OP. The combined effects of OP and DM, which were observed with 2% OP + DM in a ratio of 1 : 4 (w : w), significantly increased (by a factor of 1...
September 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28911634/extraction-and-quantification-of-polyphenols-from-kinnow-citrus-reticulate-l-peel-using-ultrasound-and-maceration-techniques
#18
Muhammad N Safdar, Tusneem Kausar, Saqib Jabbar, Amer Mumtaz, Karam Ahad, Ambreen A Saddozai
An investigation was carried out to extract polyphenols from the peel of kinnow (Citrus reticulate L.) by maceration and ultrasound-assisted extraction (UAE) techniques. The antioxidant potential of these polyphenols was evaluated using ferric reducing antioxidant power (FRAP), 2,2-diphenyl-1-picrylhydrazyl (DPPH), and superoxide radical scavenging assays; and their antimicrobial activity was assessed against bacterial strains Staphyloccoccus aureus, Bacillus cereus, and Salmonella typhimurium. The highest extraction yield was obtained through the solvent ethanol at 80% concentration level, whereas UAE was a more efficient technique and yielded comparatively higher polyphenol contents than maceration...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28905295/between-breed-variations-in-resistance-resilience-to-gastrointestinal-nematodes-among-indigenous-goat-breeds-in-uganda
#19
R B Onzima, R Mukiibi, A Ampaire, K K Benda, E Kanis
Gastrointestinal nematodes (GINs), Haemonchus contortus, are a major health problem in goat production. Resistance to H. contortus, the most prevalent GIN in Uganda, was studied among three indigenous goat breeds to assess their differences. Twelve male goats of each breed approximately 7 months old of small East African (SEA), Mubende, and Kigezi goats from smallholder farmers in Arua, Mubende, and Kabale were assembled for the study. At the station, they were dewormed with a combination therapy of the broad-spectrum dewormers closantel and albendazole to free the goats of gastrointestinal parasites...
September 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28904826/modified-extradural-temporopolar-approach-with-mini-peeling-of-dura-propria-for-paraclinoid-and-or-parasellar-tumors-operative-technique-and-nuances
#20
Naoki Otani, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Kojiro Wada, Kentaro Mori
BACKGROUND: Modified extradural temporopolar approach (EDTPA) with mini-peeling of the dura propria can provide extensive exposure of the anterior clinoid process and early exposure, as well as complete mobilization and decompression of the optic nerve and internal carotid artery, which can prevent intraoperative neurovascular injury for paraclinoid and/or parasellar lesions. The present study investigated the usefulness of this modified technique and discusses the operative nuances. METHODS: We retrospectively reviewed medical charts of 27 consecutive patients with neoplastic paraclinoid and/or parasellar lesions who underwent this modified approach between September 2009 and August 2016...
2017: Surgical Neurology International
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