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food waste

Mauro Serafini, Elisabetta Toti
The obesity burden, with 1.5 billion overweight (OW) and 500 million obese (OB) worldwide, significantly increased the risk of degenerative diseases. Excessive consumption of foods that are energy dense lead to obesity, which represents a titanic cost for not only the world's health systems but also a substantial ecological cost to the environment. The waste of resources and the unnecessary green house gas emissions (GHGs) emission, due to "obesigen" consumption of foods, have been ignored so far in practical assessments of ecological impacts...
2016: Frontiers in Nutrition
Athanasia M Goula, Maria Ververi, Anna Adamopoulou, Kyriakos Kaderides
The objective of this work was to develop a new process for pomegranate peels application in food industries based on ultrasound-assisted extraction of carotenoids using different vegetable oils as solvents. In this way, an oil enriched with antioxidants is produced. Sunflower oil and soy oil were used as alternative solvents and the effects of various parameters on extraction yield were studied. Extraction temperature, solid/oil ratio, amplitude level, and extraction time were the factors investigated with respect to extraction yield...
January 2017: Ultrasonics Sonochemistry
V L Sirisha, Ankita Jain, Amita Jain
Immobilized enzymes can be used in a wide range of processes. In recent years, a variety of new approaches have emerged for the immobilization of enzymes that have greater efficiency and wider usage. During the course of the last two decades, this area has rapidly expanded into a multidisciplinary field. This current study is a comprehensive review of a variety of literature produced on the different enzymes that have been immobilized on various supporting materials. These immobilized enzymes have a wide range of applications...
2016: Advances in Food and Nutrition Research
Monika Marcinkowska, Danuta Barałkiewicz
Speciation analysis has become an invaluable tool in human health risk assessment, environmental monitoring or food quality control. Another step is to develop reliable multielemental speciation methodologies, to reduce costs, waste and time needed for the analysis. Separation and detection of species of several elements in a single analytical run can be accomplished by high performance liquid chromatography hyphenated to inductively coupled plasma mass spectrometry (HPLC/ICP-MS). Our review assembles articles concerning multielemental speciation determination of: As, Se, Cr, Sb, I, Br, Pb, Hg, V, Mo, Te, Tl, Cd and W in environmental, biological, food and clinical samples analyzed with HPLC/ICP-MS...
December 1, 2016: Talanta
Zohar Barnett-Itzhaki, Tamar Berman, Itamar Grotto, Eyal Schwartzberg
BACKGROUND: Large amounts of expired and unused medications accumulate in households. This potentially exposes the public to hazards due to uncontrolled use of medications. Most of the expired or unused medications that accumulate in households (household medical waste) is thrown to the garbage or flushed down to the sewage, potentially contaminating waste-water, water resources and even drinking water. There is evidence that pharmaceutical active ingredients reach the environment, including food, however the risk to public health from low level exposure to pharmaceuticals in the environment is currently unknown...
2016: Israel Journal of Health Policy Research
Anna Karin Bernstad, Alba Cánovas, Rogerio Valle
In recent years, increased light has been shed on the large amounts of food wasted along the food supply chain (FSC). As lifecycle assessments (LCAs) are commonly used for estimations of environmental impacts from food production, it is relevant to investigate and discuss how such wastage is reflected in foodstuff LCAs. The objective of the present paper is to review a larger set of LCAs of foodstuff in order to (1) investigate if and how wastage along the FSC is addressed and (2) explore the importance of including wastage accumulated along the FSC in terms of environmental impacts...
October 7, 2016: Waste Management & Research
Ajay Menon, Jing-Yuan Wang, Apostolos Giannis
The aim of this study was to enhance the biogas productivity of two-phase thermophilic anaerobic digestion (AD) using food waste (FW) as the primary substrate. The influence of adding four trace metals (Ca, Mg, Co, and Ni) as micronutrient supplement in the methanogenic phase of the thermophilic system was investigated. Initially, Response Surface Methodology (RSM) was applied to determine the optimal concentration of micronutrients in batch experiments. The results showed that optimal concentrations of 303, 777, 7 and 3mg/L of Ca, Mg, Co and Ni, respectively, increased the biogas productivity as much as 50% and significantly reduced the processing time...
October 17, 2016: Waste Management
Katrin Ochsenreither, Claudia Glück, Timo Stressler, Lutz Fischer, Christoph Syldatk
Polyunsaturated fatty acids (PUFAs) of the ω-3 and ω-6 class (e.g., α-linolenic acid, linoleic acid) are essential for maintaining biofunctions in mammalians like humans. Due to the fact that humans cannot synthesize these essential fatty acids, they must be taken up from different food sources. Classical sources for these fatty acids are porcine liver and fish oil. However, microbial lipids or single cell oils, produced by oleaginous microorganisms such as algae, fungi and bacteria, are a promising source as well...
2016: Frontiers in Microbiology
Chun Yeh, Ching-Heng Ting, Ming-Luen Doong, Chin-Wen Chi, Shou-Dong Lee, Chih-Yen Chen
PURPOSE: Urocortin 3 is a key neuromodulator in the regulation of stress, anxiety, food intake, gut motility, and energy homeostasis, while ghrelin elicits feeding behavior and enhances gastric emptying, adiposity, and positive energy balance. However, the interplays between urocortin 3 and ghrelin on food intake and gastric emptying remain uninvestigated. METHODS: We examined the differential effects of central O-n-octanoylated ghrelin, des-Gln(14)-ghrelin, and urocortin 3 on food intake, as well as on charcoal nonnutrient semiliquid gastric emptying in conscious rats that were chronically implanted with intracerebroventricular (ICV) catheters...
2016: Drug Design, Development and Therapy
Bradley M Appelhans, Molly A Martin, Marieli Guzman, Tamara Olinger, Andrew Pleasant, Jennifer Cabe, Lynda H Powell
OBJECTIVE: This report describes the development and validation of a technology-based system that integrates data on food choice, nutrition, and plate waste to generate feedback reports summarizing students' dietary intake at school meals. METHODS: Cafeteria staff used the system to document the school lunch choices of seventh-graders (n = 37) in an urban charter school for 5 months. Plate waste was assessed by research staff using a visual estimation method that was validated against directly weighed plate waste...
October 15, 2016: Journal of Nutrition Education and Behavior
Nicole Bandow, Franz-Georg Simon
BACKGROUND: An Annex XV restriction dossier for cadmium in artists' paints was submitted by an EU member state to the European Chemicals Agency ECHA. By cleaning, used brushes under the tap cadmium can enter the food chain via waste water treatment and subsequent agricultural application of the sewage sludge. It was estimated that 110 kg Cd per year is spread on agricultural land via this exposure route. Other sources of Cd amount to almost 120 tons per year. RESULTS: The mobility of Cd from pigments was studied in a field-like scenario by leaching experiments using soil samples amended with sewage sludge and spiked with Cd pigments in percolation columns...
2016: Environmental Sciences Europe
Jaai Kim, Hakchan Kim, Gahyun Baek, Changsoo Lee
Proper management of spent coffee grounds has become a challenging problem as the production of this waste residue has increased rapidly worldwide. This study investigated the feasibility of the anaerobic co-digestion of spent coffee ground with various organic wastes, i.e., food waste, Ulva, waste activated sludge, and whey, for biomethanation. The effect of co-digestion was evaluated for each tested co-substrate in batch biochemical methane potential tests by varying the substrate mixing ratio. Co-digestion with waste activated sludge had an apparent negative effect on both the yield and production rate of methane...
October 14, 2016: Waste Management
Ronald Esteban Aguilar Alvarez, Mauricio Bustamante Roman, Dana Kirk, Jose Alberto Miranda Chavarria, Daniel Baudrit, Jose Francisco Aguilar Pereira, Werner Rodriguez Montero, Dawn Reinhold, Wei Liao
The purpose of this study was to implement and evaluate a pilot-scale and closed-loop system that synergistically combines solar thermal collector, anaerobic digester, and constructed treatment wetland to simultaneously treat and utilize organic wastes. The system utilizes 863 kg of mixed animal and food wastes to generate 263 MJ renewable energy, produced 28 kg nitrogen and phosphorus fertilizer, and reclaimed 550 kg water per day. The net revenue considering electricity and fertilizer was $2436 annually...
October 11, 2016: Journal of Environmental Management
Brent Robert Heard, Shelie A Miller
The unbroken global refrigerated supply chain, or cold chain, is rapidly expanding in developing countries. In addition to increasing the energy intensity of the food system, the expanded cold chain may facilitate changes in the global diet, food waste patterns, food production and distribution, and shopping habits. The sustainability impacts of many of these changes chain are unknown, given the complexity of interacting social, economic, and technical factors. The current literature surrounding the environmental impacts of refrigeration in the food system focuses on the direct impacts of energy use and coolant emissions, and lacks a critical evaluation of the accompanying systemic societal changes that potentially carry greater environmental impacts...
October 14, 2016: Environmental Science & Technology
Rut Anne Thomassen, Janne Anita Kvammen, Mari Borge Eskerud, Pétur Benedikt Júlíusson, Christine Henriksen, Jarle Rugtveit
OBJECTIVES: To investigate iodine status and growth in cow's milk protein allergic infants and to identify potential predictors of iodine status and growth. METHODS: Fifty-seven infants under two years of age were included in an observational cross-sectional study. Two spot urine samples were collected and analysed for iodine, together with a three-day food record and a food frequency questionnaire. Urine iodine concentrations were compared to the WHO cut-off values for iodine deficiency...
October 12, 2016: Journal of Pediatric Gastroenterology and Nutrition
Tarek G Ammari, Marrwa Al-Atiyat, Eyad S Abu-Nameh, Ayoup Ghrair, Daasan Jaradat
Cadmium can enter water, soil and food chain in amounts harmful to human health by industrial wastes. The use of intact and NaOH-treated dried algal tissues (Hydrodictyon reticulatum); a major ecosystem bio-component, for Cd removal from aqueous solutions was characterized. Cadmium biosorption was found to be dependent on solution pH, bioadsorbent dose, the interaction between pH and dose, contact time, and initial Cd concentration. The experimental results indicated that the biosorption performance of alkaline-treated algal tissues was better than that of intact tissues...
October 14, 2016: International Journal of Phytoremediation
Bernadet Garcia-Silva, Eric Handler, Julia Wolfe
Food insecurity is a global issue that arises owing to systemic socioeconomic inequities and environmental constraints. To highlight the existence and the extent of food insecurity and food waste, the Orange County Health Department in Orange County, California, created a coalition called "Waste Not Orange County." Orange County is the sixth most populous county in California and has the highest median income, yet 11.4% of those residing in Orange County are food insecure, and 24.0% live in poverty. The overall vision of the coalition is to mitigate hunger in Orange County by educating the community about food donations, identifying food-insecure individuals, and connecting those individuals to sources of food...
October 13, 2016: American Journal of Public Health
Karin Schindler, Michael Themessl-Huber, Michael Hiesmayr, Sigrid Kosak, Mitja Lainscak, Alessandro Laviano, Olle Ljungqvist, Mohamed Mouhieddine, Stéphane Schneider, Marian de van der Schueren, Tatjana Schütz, Christian Schuh, Pierre Singer, Peter Bauer, Claude Pichard
BACKGROUND: Inadequate nutrition during hospitalization is strongly associated with poor patient outcome, but ensuring adequate food intake is not a priority in clinical routine worldwide. This lack of priority results in inadequate and unbalanced food intake in patients and huge amounts of wasted food. OBJECTIVES: We evaluate the main factors that are associated with reduced meal intake in hospitalized patients and the differences between geographical regions. DESIGN: We conducted a descriptive analysis of data from 9 consecutive, annual, and cross-sectional nutritionDay samples (2006-2014) in a total of 91,245 adult patients in 6668 wards in 2584 hospitals in 56 countries...
October 12, 2016: American Journal of Clinical Nutrition
Nuzhat Choudhury, Mohammad Jyoti Raihan, Sabiha Sultana, Zeba Mahmud, Fahmida Dil Farzana, Md Ahshanul Haque, Ahmed Shafiqur Rahman, Jillian L Waid, Ahmed Mushtaque Raza Chowdhury, Robert E Black, Tahmeed Ahmed
Globally, undernutrition affects nearly half of all children aged less than 5 years. It is more prominent in low- and middle-income countries. This study aimed to identify the age-specific risk factors for different categories of undernutrition among Bangladeshi children aged less than 2 years. Data of 10,291 children aged less than 2 years were collected between October 2011 to November 2013 through the Food Security Nutritional Surveillance Project in Bangladesh. Simple logistic regression established bivariate relationships between the categories of undernutrition and the relevant risk factors...
October 12, 2016: Maternal & Child Nutrition
Younsuk Dong, Steven I Safferman, Jeff Ostahowski, Tom Herold, Ronald Panter
When a fast-food restaurant's wastewater containing fats, oil and grease (FOG) is discharged into a collection system, it builds up over time and clogs pipes. Similarly, when such wastewater flows into a septic soil treatment system, it adheres to the surface of inlet pipes, gravel/distribution media and soil, restricting the flow and eventually clogging the septic soil treatment system. In this study, an enzymatic pretreatment system was tested on wastewater from a fast-food restaurant to determine its effectiveness in preventing septic soil treatment system clogging...
October 11, 2016: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
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