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https://www.readbyqxmd.com/read/28208804/hazelnut-corylus-avellana-l-shells-extract-phenolic-composition-antioxidant-effect-and-cytotoxic-activity-on-human-cancer-cell-lines
#1
Tiziana Esposito, Francesca Sansone, Silvia Franceschelli, Pasquale Del Gaudio, Patrizia Picerno, Rita Patrizia Aquino, Teresa Mencherini
Hazelnut shells, a by-product of the kernel industry processing, are reported to contain high amount of polyphenols. However, studies on the chemical composition and potential effects on human health are lacking. A methanol hazelnut shells extract was prepared and dried. Our investigation allowed the isolation and characterization of different classes of phenolic compounds, including neolignans, and a diarylheptanoid, which contribute to a high total polyphenol content (193.8 ± 3.6 mg of gallic acid equivalents (GAE)/g of extract)...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207305/heavy-metal-presence-in-two-different-types-of-ice-cream-artisanal-ice-cream-italian-gelato-and-industrial-ice-cream
#2
D Conficoni, L Alberghini, E Bissacco, M Ferioli, V Giaccone
Ice cream, a popular product worldwide, is usually a milk-based product with other types of ingredients (fruit, eggs, cocoa, dried fruit, additives, and others). Different materials are used to obtain the desired taste, texture, consistency, and appearance of the final product. This study surveyed ice cream products available in Italy for heavy metals (lead, cadmium, chromium, tin, and arsenic). The differences between artisanal and industrial ice cream were also investigated because of the importance in the Italian diet and the diffusion of this ready-to-eat food...
February 16, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28197144/detection-and-enumeration-of-spore-forming-bacteria-in-powdered-dairy-products
#3
REVIEW
Aoife J McHugh, Conor Feehily, Colin Hill, Paul D Cotter
With the abolition of milk quotas in the European Union in 2015, several member states including Ireland, Luxembourg, and Belgium have seen year on year bi-monthly milk deliveries to dairies increase by up to 35%. Milk production has also increased outside of Europe in the past number of years. Unsurprisingly, there has been a corresponding increased focus on the production of dried milk products for improved shelf life. These powders are used in a wide variety of products, including confectionery, infant formula, sports dietary supplements and supplements for health recovery...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28193479/effects-of-substrate-ant-and-fungal-species-on-plant-fiber-degradation-in-a-fungus-gardening-ant-symbiosis
#4
Alexandria M DeMilto, Monte Rouquette, Ulrich G Mueller, Katrin Kellner, Jon N Seal
Fungus-gardening or attine ants have outsourced most of their digestive function to a symbiotic fungus. The ants feed their fungus - essentially an external digestive organ - a variety of substrates of botanical origin, including fresh and dried flowers, leaves and insect frass (processed leaves). Although plant tissues are rich in fibers (lignocelluloses, hemicelluloses, pectins and starches) and the symbiotic fungus possesses the genetic and enzymatic machinery to metabolize these compounds, the highly derived attines, the leaf-cutters (Atta and Acromyrmex), are known to produce fiber-rich waste...
February 10, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28170279/regulation-of-gip-and-ghrelin-in-healthy-subjects-fed-on-sun-dried-raisins-a-pilot-study-with-a-crossover-trial-design
#5
Andriana C Kaliora, Panagiotis T Kanellos, Aristea Gioxari, Vaios T Karathanos
The comparative effects of glucose and fructose on appetite and specifically on hormones regulating appetite remain controversial, and the role of different types of sugars has not been investigated broadly. To estimate the effect of raisins, a dried fruit rich in fructose, fibers, and phenolics, on hormones involved in the postprandial response. Ten healthy normal-weight subjects received in a crossover design 74 g raisins or 50 g glucose as reference food. Glucose, insulin, and appetite hormones were measured at time 0 and 60, 120, and 180 min after consumption...
February 7, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28152418/variation-of-desiccation-tolerance-and-longevity-in-fern-spores
#6
Daniel Ballesteros, Lisa M Hill, Christina Walters
This work contributes to the understanding of plant cell responses to extreme water stress when it is applied at different intensity and duration. Fern spores are used to explore survival at relative humidity (RH)<85% because their unicellular nature eliminates complexities that may arise in multicellular organisms from slower drying and variable responses of different cell types. Fern spore cytoplasm solidifies between 30 and 60% RH and spores survive this transition, but subsequently lose viability. We characterized the kinetics of viability loss in terms of the fluid to solid transition using concepts of water activity (i...
January 15, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28149501/is-fruit-and-vegetable-intake-associated-with-asthma-or-chronic-rhino-sinusitis-in-european-adults-results-from-the-global-allergy-and-asthma-network-of-excellence-ga-2-len-survey
#7
Vanessa Garcia-Larsen, Rhonda Arthur, James F Potts, Peter H Howarth, Matti Ahlström, Tari Haahtela, Carlos Loureiro, Ana Todo Bom, Grzegorz Brożek, Joanna Makowska, Marek L Kowalski, Trine Thilsing, Thomas Keil, Paolo M Matricardi, Kjell Torén, Thibaut van Zele, Claus Bachert, Barbara Rymarczyk, Christer Janson, Bertil Forsberg, Ewa Niżankowska-Mogilnicka, Peter G J Burney
BACKGROUND: Fruits and vegetables are rich in compounds with proposed antioxidant, anti-allergic and anti-inflammatory properties, which could contribute to reduce the prevalence of asthma and allergic diseases. OBJECTIVE: We investigated the association between asthma, and chronic rhino-sinusitis (CRS) with intake of fruits and vegetables in European adults. METHODS: A stratified random sample was drawn from the Global Allergy and Asthma Network of Excellence (GA(2)LEN) screening survey, in which 55,000 adults aged 15-75 answered a questionnaire on respiratory symptoms...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/28142327/effect-of-decompression-drying-treatment-on-physical-properties-of-solid-foods
#8
Takuya Morikawa, Norihisa Takada, Makoto Miura
This study used a decompression drying instrument to investigate the effects of a drying treatment on the physical properties of solid foods. Commercial tofu was used as a model food and was treated at different temperature and pressure conditions in a drying chamber. Overall, high temperatures resulted in better drying. Additionally, pressure in the chamber influenced the drying conditions of samples. Differences in physical properties, such as food texture, shrinkage, and color were observed among some samples, even with similar moisture content...
February 1, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28132503/effect-of-drying-methods-on-protein-and-dna-conformation-changes-in-lactobacillus-rhamnosus-gg-by-fourier-transform-infrared-spectroscopy
#9
Mya Myintzu Hlaing, Bayden R Wood, Don McNaughton, DanYang Ying, Geoff Dumsday, Mary Ann Augustin
Microencapsulation protects cells against environmental stress encountered during the production of probiotics which are used as live microbial food ingredients. Freeze-drying and spray-drying are used in the preparation of powdered microencapsulated probiotics. This study examines the ability of Fourier transform infrared (FTIR) spectroscopy to detect differences in cells exposed to freeze-drying and spray-drying of encapsulated Lactobacillus rhamnosus GG cells. The FTIR analysis clearly demonstrated there were more significant molecular changes in lipid, fatty acid content, protein and DNA conformation of non-encapsulated compared to encapsulated bacterial cells...
January 30, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28132147/determination-of-t-2-and-ht-2-toxins-in-oats-and-oat-based-breakfast-cereals-by-liquid-chromatography-tandem-mass-spectrometry
#10
Veronica M T Lattanzio, Michelangelo Pascale
This protocol specifies an accurate and sensitive method for the determination of T-2 and HT-2 toxins content in oats and oat-based foods using liquid chromatography with tandem mass spectrometry detection. T-2 and HT-2 toxins are extracted from the test material with a mixture of acetonitrile and water. The filtered extract is dried, reconstituted with a mixture of methanol and water, then purified on a polymeric solid-phase extraction cartridge. Toxins are finally eluted from the column with methanol and quantified by reversed phase high performance liquid chromatography with tandem mass spectrometry detection...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28130456/boxwood-borer-heterobostrychus-brunneus-coleoptera-bostrichidae-infesting-dried-cassava-a-current-record-from-southern-ethiopia
#11
Aditya Parmar, Sascha M Kirchner, Henning Langguth, Thomas F Döring, Oliver Hensel
Insect specimens of adult beetles and larvae of 7-9 and 9-10 mm length, respectively were collected from infested dry cassava at two locations from multiple stores in southern Ethiopia. The specimens were identified as Heterobostrychus brunneus (Murray, 1867) commonly known as boxwood borer and auger beetle. The study presents a current record of H. brunneus in Ethiopia, particularly in the context of infesting food products. Additionally, a wide geographical distribution of the pest was reviewed and presented in this article...
January 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28125659/biodiversity-areas-under-threat-overlap-of-climate-change-and-population-pressures-on-the-world-s-biodiversity-priorities
#12
Juliann E Aukema, Narcisa G Pricope, Gregory J Husak, David Lopez-Carr
Humans and the ecosystem services they depend on are threatened by climate change. Places with high or growing human population as well as increasing climate variability, have a reduced ability to provide ecosystem services just as the need for these services is most critical. A spiral of vulnerability and ecosystem degradation often ensues in such places. We apply different global conservation schemes as proxies to examine the spatial relation between wet season precipitation, population change over three decades, and natural resource conservation...
2017: PloS One
https://www.readbyqxmd.com/read/28124036/hierarchical-high-internal-phase-emulsions-and-transparent-oleogels-stabilized-by-quillaja-saponin-coated-nanodroplets-for-color-performance
#13
Xiao-Wei Chen, Jin-Mei Wang, Jian Guo, Zhi-Li Wan, Shou-Wei Yin, Xiao-Quan Yang
Herein, we report novel high internal phase emulsions and transparent oleogels that exhibit a hierarchical configuration by manipulating the spatial assembly of a natural small molecular-weight quillaja saponin for color performance. Quillaja saponin (QS) is a natural triterpenoid bidesmosidic from the soapbark tree (Quillaja saponaria Molina). Fairly monodispersed QS-coated nanodroplets (∼154 nm) were prepared using the ultrasonic emulsification strategy, and then used as block stabilizers for the fabrication of stable oil-in-water high internal phase emulsions (HIPEs, ϕ = 0...
January 26, 2017: Food & Function
https://www.readbyqxmd.com/read/28121271/pesticide-contaminants-in-selected-species-of-edible-wild-mushrooms-from-the-north-eastern-part-of-poland
#14
Michalina Gałgowska, Renata Pietrzak-Fiećko
The aim of this study was to determine the level of chlorinated hydrocarbon residues in selected edible mushrooms from north-eastern Poland. The experiment was carried out on 45 samples consisting of 15 fruiting bodies each of the following species: Boletus edulis, Imleria badia and Cantharellus cibarius. Dried samples were subjected to extraction of lipids with a Soxhlet and a standard procedure-based on the decomposition of lipids by concentrated sulfuric acid and the release of organic insecticides to the hexane layer-was used to determine chlorinated hydrocarbons...
March 4, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28121129/urea-hydroxyapatite-nanohybrids-for-slow-release-of-nitrogen
#15
Nilwala Kottegoda, Chanaka Sandaruwan, Gayan Priyadarshana, Asitha Siriwardhana, Upendra A Rathnayake, Danushka Madushanka Berugoda Arachchige, Asurusinghe R Kumarasinghe, Damayanthi Dahanayake, Veranja Karunaratne, Gehan A J Amaratunga
While slow release of chemicals has been widely applied for drug delivery, little work has been done on using this general nanotechnology-based principle for delivering nutrients to crops. In developing countries, the cost of fertilizers can be significant and is often the limiting factor for food supply. Thus, it is important to develop technologies that minimize the cost of fertilizers through efficient and targeted delivery. Urea is a rich source of nitrogen and therefore a commonly used fertilizer. We focus our work on the synthesis of environmentally benign nanoparticles carrying urea as the crop nutrient that can be released in a programmed manner for use as a nanofertilizer...
January 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28115907/processed-meat-protein-and-heat-stable-peptide-marker-identification-using-microwave-assisted-tryptic-digestion
#16
Magdalena Montowska, Edward Pospiech
New approaches to rapid examination of proteins and peptides in complex food matrices are of great interest to the community of food scientists. The aim of the study is to examine the influence of microwave irradiation on the acceleration of enzymatic cleavage and enzymatic digestion of denatured proteins in cooked meat of five species (cattle, horse, pig, chicken and turkey) and processed meat products (coarsely minced, smoked, cooked and semi-dried sausages). Severe protein aggregation occurred not only in heated meat under harsh treatment at 190 °C but also in processed meat products...
December 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/28115900/assessment-of-drying-characteristics-and-texture-in-%C3%A2-relation-with-micromorphological-traits-of-carob-%C3%A2-ceratonia-silliqua-l-pods-and-seeds
#17
Maja Benković, Siniša Srečec, Ingrid Bauman, Damir Ježek, Sven Karlović, Dario Kremer, Ksenija Karlović, Renata Erhatić
Carob tree (Ceratonia siliqua L.) is a perennial leguminous evergreen tree native to the coastal regions of the Mediterranean basin and is considered to be an important component of vegetation for economic and environmental reasons. Two constituents of the pod, pulp and seeds, can be used as feed or in food production. In this study, drying characteristics, texture and microstructure of carob pods were studied. Three different carob samples were prepared: whole carob pod, carob pod parts and carob seed. The drying experiments and the modelling showed that carob seeds had the highest drying rate, followed by pod parts and the whole, intact carob fruit...
December 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/28115093/%C3%AE%C2%BA-carrageenan-an-effective-drug-carrier-to-deliver-curcumin-in-cancer-cells-and-to-induce-apoptosis
#18
Malairaj Sathuvan, Ramar Thangam, Mani Gajendiran, Raju Vivek, Sengottuvelan Balasubramanian, Subramani Nagaraj, Palani Gunasekaran, Balaraman Madhan, Ramasamy Rengasamy
The current study is to develop a natural drug carrier with seaweed derived polymers namely κ-Carrageenan (κ-Car) for drug delivery applications. κ-Car is a natural polysaccharide which derived from edible red seaweeds, they are easily available, non-toxic, cost effective, biodegradable and biocompatible nature. Curcumin (Cur) is a yellow-orange polyphenol existing in turmeric, which is predominantly used as spice and food coloring agent. The ultimate use of polymeric composites, especially those composed of natural polymers, has become a very interesting approach in recent drug delivery applications, due to their non-toxicity and biological origin...
March 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28112236/impact-of-saccharides-on-the-drying-kinetics-of-agarose-gels-measured-by-in-situ-interferometry
#19
Bosi Mao, Thibaut Divoux, Patrick Snabre
Agarose gels are viscoelastic soft solids that display a porous microstructure filled with water at 90% w/w or more. Despite an extensive use in food industry and microbiology, little is known about the drying kinetics of such squishy solids, which suffers from a lack of time-resolved local measurements. Moreover, only scattered empirical observations are available on the role of the gel composition on the drying kinetics. Here we study by in-situ interferometry the drying of agarose gels of various compositions cast in Petri dishes...
January 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28108382/new-xanthones-and-cytotoxic-constituents-from-garcinia-mangostana-fruit-hulls-against-human-hepatocellular-breast-and-colorectal-cancer-cell-lines
#20
Gamal A Mohamed, Ahmed M Al-Abd, Ali M El-Halawany, Hossam M Abdallah, Sabrin R M Ibrahim
ETHNOPHARMACOLOGICAL RELEVANCE: Cancer has proceeded to surpass one of the most chronic illnesses to be the major cause of mortality in both the developing and developed world. Garcinia mangostana L. (mangosteen, family Guttiferae) known as the queen of fruits, is one of the most popular tropical fruits. It is cultivated in Southeast Asian countries: Malaysia, Indonesia, Sri Lanka, Burma, Thailand, and Philippines. Traditionally, numerous parts of G. mangostana have been utilized to treat various ailments such as abdominal pain, haemorrhoids, food allergies, arthritis, leucorrhoea, gonorrhea, diarrhea, dysentery, wound infection, suppuration, and chronic ulcer...
January 17, 2017: Journal of Ethnopharmacology
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