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https://www.readbyqxmd.com/read/28702596/characterization-and-cardioprotective-activity-of-anthocyanins-from-nitraria-tangutorum-bobr-by-products
#1
Ming Zhang, Jianbin Ma, Hongtao Bi, Jiayin Song, Hongxia Yang, Zhenghua Xia, Yuzhi Du, Tingting Gao, Lixin Wei
The Nitraria tangutorum Bobr. fruit is an indigenous berry of the shrub belonging to the Zygophyllaceae family which grows at an altitude of over 3000 m in the Tibetan Plateau, and has been used as a native medicinal food for treating weakness of the spleen, stomach syndrome, dyspepsia, neurasthenia, dizziness, etc. for thousands of years. Nowadays, N. tangutorum industrial juice by-products generated from health food production can be a potential low cost source of some unique bioactive ingredients. In a prior study, we established a simultaneous microwave/ultrasonic assisted enzymatic extraction method for extracting antioxidant ingredients from the industrial by-products of N...
July 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28688604/serum-concentrations-of-per-and-poly-fluoroalkyl-substances-and-factors-associated-with-exposure-in-the-general-adult-population-in-south-korea
#2
Jin Heon Lee, Chae Kwan Lee, Chun-Hui Suh, Hee-Sook Kang, Chun-Pyo Hong, Suk-Nam Choi
Per- and polyfluoroalkyl substances (PFASs) are ubiquitous contaminants found worldwide, including in South Korea. As a result, they are frequently detected in Koreans. However, there is limited representative data and information on potential sources in Korea. Therefore, we measured the serum concentrations of ten PFASs in nationally representative samples of the Korean population (n=1874, 18-69 years) and evaluated the factors associated with their exposure. Serum PFOS, PFDA, PFOA, and PFNA were detected in nearly all participants (83...
June 24, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28587783/the-use-of-diacetyl-2-3-butanedione-and-related-flavoring-substances-as-flavorings-added-to-foods-workplace-safety-issues
#3
John B Hallagan
In 2001, staff of the National Institute of Occupational Safety and Health (NIOSH) identified diacetyl (2,3-butanedione) as a "marker" of exposure in a microwave popcorn manufacturing facility in which workers developed severe respiratory illness. Subsequent investigations identified additional workers in food and flavor manufacturing facilities also with severe respiratory illness. The flavor industry, NIOSH, and federal and state regulators conducted significant programs to address workplace safety concerns related to the manufacture of flavors and foods containing added flavors...
June 3, 2017: Toxicology
https://www.readbyqxmd.com/read/28587145/influence-of-cooking-microwaving-and-broiling-on-cylindrospermopsin-concentration-in-muscle-of-nile-tilapia-oreochromis-niloticus-and-characterization-of-decomposition-products
#4
Ana I Prieto, Remedios Guzmán-Guillén, Rocío Valderrama-Fernández, Ángeles Jos, Ana M Cameán
Cylindrospermopsin (CYN) has become increasingly important as a freshwater algal toxin, showing cytotoxic effects. This toxin is able to bioaccumulate in freshwater food webs, representing a serious human health problem. Normally, fish is cooked before consumption, and CYN concentration can be altered. For the first time, the effects of microwaving and broiling for 1 and 2 min on CYN concentration and its decomposition products in fish muscle (Oreochromis niloticus) contaminated in the laboratory were investigated, using UPLC-MS/MS and Orbitrap...
May 26, 2017: Toxins
https://www.readbyqxmd.com/read/28572970/home-based-preparation-approaches-altered-the-availability-of-health-beneficial-components-from-carrot-and-blueberry
#5
Boyan Gao, Lu Yu, Jie Liu, Thomas T Y Wang, Yinghua Luo, Liangli Lucy Yu, Huijuan Zhang, Lingxiao Gong, Jing Wang
This study investigated the effects of different home food preparation methods on availability of total phenolic contents (TPC) and radical scavenging components, as well as the selected health beneficial compounds from fresh blueberry and carrot. High performance liquid chromatography (HPLC) analysis revealed that ground carrots using blenders released significantly greater amount of β-carotene than their chopped counterpart, and blueberry samples prepared with different commercial blenders/grinders released different levels of cyaniding-3-O-glucoside and malvidin-3-O-glucoside...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28554823/mercury-contamination-in-facial-skin-lightening-creams-and-its-health-risks-to-user
#6
Yu Bin Ho, Nor Hidayu Abdullah, Hazwanee Hamsan, Eugenie Sin Sing Tan
This study aims to determine concentrations of mercury in facial skin lightening cream according to different price categories (category I: <RM29.99, category II: RM30.00-RM59.99, category III: RM60.00-RM99.99 and category IV: ≥RM100.00) and their potential health risks to users. Prices of skin lightening creams were determined during a preliminary market survey. Thereafter, twenty samples were purchased from various locations such as cosmetic stalls, beauty shops, pharmacies and street vendors based on their stratified price categories...
May 26, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28480147/effect-of-the-molecular-weight-of-water-soluble-chitosan-on-its-fat-cholesterol-binding-capacities-and-inhibitory-activities-to-pancreatic-lipase
#7
Qiu Jin, Huahua Yu, Xueqin Wang, Kecheng Li, Pengcheng Li
BACKGROUND: Obesity has become a worldwide burden to public health in recent decades. Given that obesity is caused by an imbalance between caloric intake and expenditure, and that dietary fat is the most important energy source of all macronutrients (by providing the most calories), a valuable strategy for obesity treatment and prevention is to block fat absorption via the gastrointestinal pathway. In this study, the fat- and cholesterol-binding capacities and the inhibition of pancreatic lipase by water-soluble chitosan (WSC) with different weight-average molecular weight (Mw) were tested and compared in vitro, in order to determine the anti-obesity effects of WSC and the influence of its Mw...
2017: PeerJ
https://www.readbyqxmd.com/read/28327524/reducing-risk-of-salmonellosis-through-egg-decontamination-processes
#8
REVIEW
Thilini Piushani Keerthirathne, Kirstin Ross, Howard Fallowfield, Harriet Whiley
Eggs have a high nutritional value and are an important ingredient in many food products. Worldwide foodborne illnesses, such as salmonellosis linked to the consumption of eggs and raw egg products, are a major public health concern. This review focuses on previous studies that have investigated the procedures for the production of microbiologically safe eggs. Studies exploring pasteurization and decontamination methods were investigated. Gamma irradiation, freeze drying, hot air, hot water, infra-red, atmospheric steam, microwave heating and radiofrequency heating are all different decontamination methods currently considered for the production of microbiologically safe eggs...
March 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28067117/furan-in-commercial-baby-foods-from-the-spanish-market-estimation-of-daily-intake-and-risk-assessment
#9
M Soubhi Altaki, F Javier Santos, Lluis Puignou, Maria Teresa Galceran
The occurrence of furan in commercial baby food samples from the Spanish market was evaluated using an automated headspace solid-phase microextraction method coupled to gas chromatography-mass spectrometry (HS-SPME-GC-MS). A total of 76 baby food samples including infant formula, baby cereals, fruit in cans and/or jars, vegetables, meat, and fish, were surveyed for furan content. The lowest concentration of this compound was found in infant formula (<0.02-0.33 ng ml(-1)), and cereal-based food (0.15-2.1 ng g(-1)) while baby food containing fish showed the highest concentrations (19-84 ng g(-1))...
May 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27737547/thermo-alkaline-treatment-as-a-practical-degradation-strategy-to-reduce-indospicine-contamination-in-camel-meat
#10
Eddie T T Tan, Ken W L Yong, Siew-Hoon Wong, Bruce R D'Arcy, Rafat Al Jassim, James J De Voss, Mary T Fletcher
Ingestion of indospicine-contaminated camel and horse meat has caused fatal liver injury to dogs in Australia, and it is currently not known if such contaminated meat may pose a human health risk upon dietary exposure. To date, indospicine-related research has tended to focus on analytical aspects, with little information on post-harvest management of indospicine-contaminated meat. In this study, indospicine degradation was investigated in both aqueous solution and also contaminated meat, under a range of conditions...
November 9, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27649605/determination-and-multivariate-analysis-of-mineral-elements-in-the-medicinal-hoelen-mushroom-wolfiporia-extensa-agaricomycetes-from-china
#11
Jing Sun, Ji Zhang, Yanli Zhao, Yuanzhong Wang, Wanyi Li
Concentrations of 11 elements (As, Ba, Cd, Cu, Fe, Mn, Ni, Pb, Se, Sr, and Zn) from the medicinal and edible mushroom Wolfiporia extensa were determined using atomic fluorescence spectrometry (for As and Se) and inductively coupled plasma atomic emission spectrometry (for Ba, Cd, Cu, Fe, Mn, Ni, Pb, Sr, and Zn). All the samples were collected from 6 regions of Yuxi in Yunnan Province in the southwest of China and were digested with concentrated nitric acid and hydrogen peroxide in a microwave system. The recovery rates of standard addition ranged from 98...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27525412/dietary-silicon-intake-of-korean-young-adult-males-and-its-relation-to-their-bone-status
#12
Mi-Kyeong Choi, Mi-Hyun Kim
Accumulated data suggests a positive effect of silicon on bone health; however, limited research exists on the silicon content of foods. To further the understanding of the relationship between dietary silicon intake and bone health, a food composition database of commonly consumed foods in Korea is required. For quantitative data on the intake levels of silicon, we analyzed the silicon content of 365 food items commonly consumed in Korea using inductively coupled plasma-atomic emission spectrometry following microwave-assisted digestion...
March 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/27514485/microwave-assisted-extraction-chemical-structures-and-chain-conformation-of-polysaccharides-from-a-novel-cordyceps-sinensis-fungus-um01
#13
Kit-Leong Cheong, Lan-Ying Wang, Ding-Tao Wu, De-Jun Hu, Jing Zhao, Shao-Ping Li
Cordyceps sinensis is a well-known tonic food with broad medicinal properties. The aim of the present study was to investigate the optimization of microwave-assisted extraction (MAE) and characterize chemical structures and chain conformation of polysaccharides from a novel C. sinensis fungus UM01. Ion-exchange and gel filtration chromatography were used to purify the polysaccharides. The chemical structure of purified polysaccharide was determined through gas chromatography-mass spectrometry. Moreover, high performance size exclusion chromatography combined with refractive index detector and multiangle laser light scattering were conducted to analyze the molecular weight (Mw ) and chain conformation of purified polysaccharide...
September 2016: Journal of Food Science
https://www.readbyqxmd.com/read/27326900/recognizing-occupational-effects-of-diacetyl-what-can-we-learn-from-this-history
#14
Kathleen Kreiss
For half of the 30-odd years that diacetyl-exposed workers have developed disabling lung disease, obliterative bronchiolitis was unrecognized as an occupational risk. Delays in its recognition as an occupational lung disease are attributable to the absence of a work-related temporal pattern of symptoms; failure to recognize clusters of cases; complexity of exposure environments; and absence of epidemiologic characterization of workforces giving rise to case clusters. Few physicians are familiar with this rare disease, and motivation to investigate the unknown requires familiarity with what is known and what is anomalous...
June 17, 2016: Toxicology
https://www.readbyqxmd.com/read/27274619/trans-fatty-acids-in-the-portuguese-food-market
#15
Nádia Costa, Rebeca Cruz, Pedro Graça, João Breda, Susana Casal
Consistent evidence exist on the harmful health effects of industrial trans fatty acids (TFA). In order to have accurate data on TFA intake and implement adequate measures to reduce their intake, each country should have updated estimates of TFA content in the diet. The objective of the present study was to provide data on the TFA content in food commercialized in the Portuguese market. The results on the TFA content of 268 samples acquired between October and December 2013 are reported. Samples were categorized as margarines and shortenings (n = 16), spreadable chocolate fats (n = 6), fried potatoes and chips (n = 25), industrial bakery (n = 4), breakfast cereals (n = 3), pastry products (n = 120), seasonings (n = 5), instant soups (n = 5), instant desserts (n = 6), chocolate snacks (n = 4), microwave popcorn (n = 4), cookies, biscuits and wafers (n = 53), and fast-food (n = 13), with butter (n = 4) included for comparison purposes...
June 2016: Food Control
https://www.readbyqxmd.com/read/27242847/physical-methods-for-seed-invigoration-advantages-and-challenges-in-seed-technology
#16
REVIEW
Susana de Sousa Araújo, Stefania Paparella, Daniele Dondi, Antonio Bentivoglio, Daniela Carbonera, Alma Balestrazzi
In the context of seed technology, the use of physical methods for increasing plant production offers advantages over conventional treatments based on chemical substances. The effects of physical invigoration treatments in seeds can be now addressed at multiple levels, ranging from morpho-structural aspects to changes in gene expression and protein or metabolite accumulation. Among the physical methods available, "magneto-priming" and irradiation with microwaves (MWs) or ionizing radiations (IRs) are the most promising pre-sowing seed treatments...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27211920/development-and-validation-of-simultaneous-analysis-of-minerals-and-toxic-elements-in-foods-by-icp-ms
#17
Aiko Yutani, Eri Kishi, Asako Ozaki, Masanao Shinya, Tomoko Ooshima, Tetsuo Yamano
We have developed and validated an inductively coupled plasma-mass spectrometry (ICP-MS) method for the simultaneous analysis of minerals and toxic elements in foods. Food samples were digested by microwave irradiation to prepare solutions for measurement by ICP-MS. Optimal gas mode and internal standard for each element were selected as appropriate. The method was validated for eighteen elements in total using three certified standard reference materials, namely, Typical Japanese Diet, Rice Flour-Unpolished and Infant/Adult Nutritional Formula, according to the guidelines of the Ministry of Health, Labour and Welfare of Japan...
2016: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
https://www.readbyqxmd.com/read/27122477/bioaccessibility-of-polyphenols-from-selected-cereal-grains-and-legumes-as-influenced-by-food-acidulants
#18
COMPARATIVE STUDY
Gavirangappa Hithamani, Krishnapura Srinivasan
BACKGROUND: Polyphenols in food are valued for their health-beneficial influences. Food acidulants lime juice and amchur used in Indian cookery were evaluated for their influence on polyphenol bioaccessibility from food grains. RESULTS: Lime juice increased bioaccessible flavonoids by 25% in roasted finger millet, while there was no change in total bioaccessible polyphenols in pressure-cooked, open-pan-boiled and roasted finger millet in the presence of food acidulants...
January 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/26939664/microwave-cooking-practices-in-minnesota-food-service-establishments
#19
Nicole Hedeen, David Reimann, Karen Everstine
Uneven cooking due to consumer use of microwave ovens to cook food products that have been prepared but are not ready to eat has been a documented risk factor in several foodborne disease outbreaks. However, the use of microwave ovens in restaurants and other food service establishments has not been well documented. The aim of this study was to describe the types of food service establishments that use microwave ovens, how these ovens are used, types of foods heated or cooked in these ovens, types of microwave ovens used in food service establishments, and the level of compliance with U...
March 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/26835653/non-invasive-sensing-for-food-reassurance
#20
REVIEW
Zou Xiaobo, Huang Xiaowei, Malcolm Povey
Consumers and governments are increasingly interested in the safety, authenticity and quality of food commodities. This has driven attention towards non-invasive sensing techniques used for rapid analyzing these commodities. This paper provides an overview of the state of the art in, and available alternatives for, food assurance based on non-invasive sensing techniques. The main food quality traits of interest using non-invasive sensing techniques are sensory characteristics, chemical composition, physicochemical properties, health-protecting properties, nutritional characteristics and safety...
March 7, 2016: Analyst
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