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https://www.readbyqxmd.com/read/28330328/optimization-of-phytase-production-from-potato-waste-using-aspergillus-ficuum
#1
Mengmeng Tian, Qiuyan Yuan
Solid-state fermentation (SSF) can divert food waste from landfills and produce high-value products. This study was aimed to investigate the feasibility of using SSF and optimize the conditions of production of phytase by Aspergillus ficuum from potato waste. Different parameters including pH of the potato waste, inoculum level, moisture content, incubation period, temperature, and supplementary nitrogen and carbon sources were evaluated. The results indicated that pH, inoculum level, and moisture content did not significantly vary phytase production...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330246/microbial-enzymes-industrial-progress-in-21st-century
#2
REVIEW
Rajendra Singh, Manoj Kumar, Anshumali Mittal, Praveen Kumar Mehta
Biocatalytic potential of microorganisms have been employed for centuries to produce bread, wine, vinegar and other common products without understanding the biochemical basis of their ingredients. Microbial enzymes have gained interest for their widespread uses in industries and medicine owing to their stability, catalytic activity, and ease of production and optimization than plant and animal enzymes. The use of enzymes in various industries (e.g., food, agriculture, chemicals, and pharmaceuticals) is increasing rapidly due to reduced processing time, low energy input, cost effectiveness, nontoxic and eco-friendly characteristics...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330166/a-molecular-phylogenetic-framework-for-bacillus-subtilis-using-genome-sequences-and-its-application-to-bacillus-subtilis-subspecies-stecoris-strain-d7xpn1-an-isolate-from-a-commercial-food-waste-degrading-bioreactor
#3
Joseph Adelskov, Bharat K C Patel
A thermophilic, heterotrophic and facultatively anaerobic bacterium designated strain D7XPN1 was isolated from Baku BakuKing™, a commercial food-waste degrading bioreactor (composter). The strain grew optimally at 45 °C (growth range between 24 and 50 °C) and pH 7 (growth pH range between pH 5 and 9) in Luria Broth supplemented with 0.3 % glucose. Strain D7XPN1 tolerated up to 7 % NaCl and showed amylolytic and xylanolytic activities. 16S rRNA gene analysis placed strain D7XPN1 in the cluster represented by Bacillus subtilis and the genome analysis of the 4...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330117/microbial-pectinases-an-ecofriendly-tool-of-nature-for-industries
#4
REVIEW
G Garg, A Singh, A Kaur, R Singh, J Kaur, R Mahajan
Pectinases are the growing enzymes of biotechnological sector, showing gradual increase in their market. They hold a leading position among the commercially produced industrial enzymes. These enzymes are ecofriendly tool of nature that are being used extensively in various industries like wine industry; food industry; paper industry for bleaching of pulp and waste paper recycling; in the processing of fruit-vegetables, tea-coffee, animal feed; extraction of vegetable oil and scouring of plant fibres. Moreover, enzymatic catalysis is preferred over other chemical methods, since it is more specific, less aggressive and saves energy...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28325705/biochemical-hydrological-and-mechanical-behaviors-of-high-food-waste-content-msw-landfill-preliminary-findings-from-a-large-scale-experiment
#5
Liang-Tong Zhan, Hui Xu, Yun-Min Chen, Fan Lü, Ji-Wu Lan, Li-Min Shao, Wei-An Lin, Pin-Jing He
A large-scale bioreactor experiment lasting for 2years was presented in this paper to investigate the biochemical, hydrological and mechanical behaviors of high food waste content (HFWC) MSW. The experimental cell was 5m in length, 5m in width and 7.5m in depth, filled with unprocessed HFWC-MSWs of 91.3 tons. In the experiment, a surcharge loading of 33.4kPa was applied on waste surface, mature leachate refilling and warm leachate recirculation were performed to improve the degradation process. In this paper, the measurements of leachate quantity, leachate level, leachate biochemistry, gas composition, waste temperature, earth pressure and waste settlement were presented, and the following observations were made: (1) 26...
March 18, 2017: Waste Management
https://www.readbyqxmd.com/read/28324819/impact-of-different-feedstocks-derived-biochar-amendment-with-cadmium-low-uptake-affinity-cultivar-of-pak-choi-brassica-rapa-ssb-chinensis-l-on-phytoavoidation-of-cd-to-reduce-potential-dietary-toxicity
#6
Kiran Yasmin Khan, Barkat Ali, Xiaoqiang Cui, Ying Feng, Xiaoe Yang, Peter Joseph Stoffella
Biochar has become eco-friendly amendment used for phytoavoidation with low cadmium (Cd) accumulating cultivars of crops to ensure food safety in Cd contaminated soils. In this study, biochar with different waste feedstock material were evaluated for their effectiveness on essential trace metals mobility, Cd bioavailability and its accumulation in two contrasting Cd accumulating cultivars of pak choi (Brassica rapa ssp. chinensis L.) grown in Cd contaminated Mollisol soil. A greenhouse experiment was conducted with plants grown in Cd contaminated soil that had been amended with biochar derived from barley straw, tomato green waste, chicken manure, duck manure and swine manure at application rate of 0%, 2...
March 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28320623/kinetics-and-evolved-gas-analysis-for-pyrolysis-of-food-processing-wastes-using-tga-ms-ft-ir
#7
Gamzenur Özsin, Ayşe Eren Pütün
The objective of this study was to identify the pyrolysis of different bio-waste produced by food processing industry in a comprehensible manner. For this purpose, pyrolysis behaviors of chestnut shells (CNS), cherry stones (CS) and grape seeds (GS) were investigated by thermogravimetric analysis (TGA) combined with a Fourier-transform infrared (FT-IR) spectrometer and a mass spectrometer (MS). In order to make available theoretical groundwork for biomass pyrolysis, activation energies were calculated with the help of four different model-free kinetic methods...
March 17, 2017: Waste Management
https://www.readbyqxmd.com/read/28319765/performance-assessment-of-improved-composting-system-for-food-waste-with-varying-aeration-and-use-of-microbial-inoculum
#8
M K Manu, Rakesh Kumar, Anurag Garg
Wet waste recycling at generation point will alleviate burden on the overflowing waste dumpsites in developing nations. Drum composting is a potential treatment option for such waste at individual or community level. The present study was aimed to produce compost from wet waste (primarily comprising food waste) in composting drums modified for improved natural air circulation. Effect of microbial inoculum and waste turning on composting process was also studied. The final results showed the production of matured and stable compost in the modified drums...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28318962/effects-of-an-acid-alkaline-treatment-on-the-release-of-antioxidants-and-cellulose-from-different-agro-food-wastes
#9
Vellingiri Vadivel, Alessandro Moncalvo, Roberta Dordoni, Giorgia Spigno
The present investigation was aimed to evaluate the release of both antioxidants and cellulosic fibre from different agro-food wastes. Cost-effective and easily available agro-food residues (brewers' spent grains, hazelnut shells, orange peels and wheat straw) were selected and submitted to a double-step acid/alkaline fractionation process. The obtained acid and alkaline liquors were analysed for total phenols content and antioxidant capacity. The final fibre residue was analysed for the cellulose, lignin and hemicellulose content...
March 15, 2017: Waste Management
https://www.readbyqxmd.com/read/28315603/dynamic-membrane-assisted-fermentation-of-food-wastes-for-enhancing-lactic-acid-production
#10
Jialing Tang, Xiaochang C Wang, Yisong Hu, Huu Hao Ngo, Yuyou Li
A dynamic membrane (DM) module was inserted into a fermentation reactor to separate soluble products from the fermented mixture to increase lactic acid (LA) production from food wastes under acidogenic conditions (uncontrolled pH, pH 4 and 5). With a high total suspended solid content (20-40g/L) in the fermenter, a stable DM could be maintained through regular backwashing. By effectively intercepting suspended solids and lactic acid bacteria (LAB), the fermenter was able to increase microbial activity and largely promote LA yield...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28314666/microbial-oil-a-plausible-alternate-resource-for-food-and-fuel-application
#11
REVIEW
B Bharathiraja, Sridevi Sridharan, V Sowmya, D Yuvaraj, R Praveenkumar
Microbes have recourse to low-priced substrates like agricultural wastes and industrial efflux. A pragmatic approach towards an emerging field- the exploitation of microbial oils for biodiesel production, pharmaceutical and cosmetic applications, food additives, biopolymer production will be of immense remunerative significance in the near future. Due to high free fatty acid, nutritive content and simpler solvent extraction processes of microbial oils with plant oil, microbial oils can back plant oils in food applications...
March 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28306140/dietary-and-nutritional-change-in-india-implications-for-strategies-policies-and-interventions
#12
Bhavani Shankar, Sutapa Agrawal, Amy R Beaudreault, Laxmaiah Avula, Reynaldo Martorell, Saskia Osendarp, Dorairaj Prabhakaran, Mireille Seneclauze Mclean
Despite the global transition to overnutrition, stunting affected approximately 159 million children worldwide in 2014, while an estimated 50 million children were wasted. India is an important front in the fight against malnutrition and is grappling with the coexistence of undernutrition, overnutrition, and micronutrient deficiencies. This report summarizes discussions on trends in malnutrition in India, its evolution in the context of economic growth, intrahousehold aspects, infant and young child feeding practices, women's status, maternal nutrition, and nutrition policymaking...
March 17, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28303294/sustainability-evaluation
#13
Heinz Stichnothe
The long-term substitution of fossil resources can only be achieved through a bio-based economy, with biorefineries and bio-based products playing a major role. However, it is important to assess the implications of the transition to a bio-based economy. Life cycle-based sustainability assessment is probably the most suitable approach to quantify impacts and to identify trade-offs at multiple levels. The extended utilisation of biomass can cause land use change and affect food security of the most vulnerable people throughout the world...
March 17, 2017: Advances in Biochemical Engineering/biotechnology
https://www.readbyqxmd.com/read/28299232/concentration-and-separation-of-active-proteins-from-potato-industry-waste-based-on-low-temperature-evaporation-and-ethanol-precipitation
#14
Sanna Taskila, Mikko Ahokas, Juho Järvinen, Juho Toivanen, Juha P Tanskanen
Purpose. Potato fruit juice, a residue of starch industry, contains up to 2.5% [w/w] of proteins that are potentially valuable raw-materials of food, cosmetic, and pharma industries. The recovery of protein from the potato fruit juice is limited by the lack of industrially feasible concentration and separation technologies. The present research thus aimed at development of such process for the separation of active protease inhibitors from potato fruit juice. Methods. Low temperature mechanical vapor recompression evaporation was applied for concentration of potato fruit juice followed by ethanol precipitation for recovery of active proteins...
2017: Scientifica
https://www.readbyqxmd.com/read/28298184/a-pilot-and-feasibility-study-to-assess-children-s-consumption-in-quick-service-restaurants-using-plate-waste-methodology
#15
Juliana F W Cohen, Susan B Roberts, Stephanie Anzman-Frasca, Madeleine M G Gamache, Vanessa M Lynskey, Emilia Matthews, Megan P Mueller, Shanti Sharma, Christina D Economos
BACKGROUND: Children regularly consume foods from quick-service restaurants (QSR), but little is known about the foods that children order, the calories and nutrients consumed, the accuracy of stated calorie information, or the ability to assess food orders and consumption in QSRs. This study evaluated the feasibility of plate waste collection in QSRs and examined children's orders and consumption of meals from the standard and children's menus. Additional aims were to examine if the meals ordered met healthier standards for children's menu items and determine the accuracy of the QSR-stated energy content of foods...
March 15, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28297682/degradation-of-organic-pollutants-by-bio-inspired-rectangular-and-hexagonal-titanium-dioxide-nanostructures
#16
T V M Sreekanth, Jae-Jin Shim, Yong Rok Lee
Dyes are used in textile, printing, leather, pharmaceutical, food and cosmetic industries. Dyes add color and pattern to materials. The presence of even very low concentration of dyes/dyes degradation products in effluent is highly toxic to humans and aquatic organisms. It is important to remove these dye degradation pollutants from the industrial effluents before their disposal. In recent years nanoparticles have been used for the removal of dyes from industrial waste water. Titanium dioxide nanostructures (TiO2 NS) were synthesized via a one-step facile green process...
March 9, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28294687/twenty-two-years-of-u-s-meat-and-poultry-product-recalls-implications-for-food-safety-and-food-waste
#17
Acton Gorton, Matthew J Stasiewicz
The U.S. Department of Agriculture, Food Safety and Inspection Service maintains a recall case archive of meat and poultry product recalls from 1994 to the present. In this study, we collected all recall records from 1994 to 2015 and extracted the recall date, meat or poultry species implicated, reason for recall, recall class, and pounds of product recalled and recovered. Of a total of 1,515 records analyzed, the top three reasons for recall were contamination with Listeria, undeclared allergens, and Shiga toxin-producing Escherichia coli ...
March 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28294105/breath-acetone-as-a-potential-marker-in-clinical-practice
#18
Vera Ruzsanyi, Miklós Kalapos
In recent decades, two facts have changed the opinion of researchers about the function of acetone in humans. Firstly, it has turned out that acetone cannot be regarded as simply a waste product of metabolism, because there are several pathways in which acetone is produced or broken down. Secondly, methods have emerged making possible its detection in exhaled breath, thereby offering an attractive alternative to investigation of blood and urine samples. From a clinical point of view the measurement of breath acetone levels are important, but there are limitations to its wide application...
March 15, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28293629/food-waste-to-energy-an-overview-of-sustainable-approaches-for-food-waste-management-and-nutrient-recycling
#19
REVIEW
Kunwar Paritosh, Sandeep K Kushwaha, Monika Yadav, Nidhi Pareek, Aakash Chawade, Vivekanand Vivekanand
Food wastage and its accumulation are becoming a critical problem around the globe due to continuous increase of the world population. The exponential growth in food waste is imposing serious threats to our society like environmental pollution, health risk, and scarcity of dumping land. There is an urgent need to take appropriate measures to reduce food waste burden by adopting standard management practices. Currently, various kinds of approaches are investigated in waste food processing and management for societal benefits and applications...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28293284/maternal-common-mental-disorders-and-associated-factors-a-cross-sectional-study-in-an-urban-slum-area-of-dhaka-bangladesh
#20
Ahad Mahmud Khan, Meerjady Sabrina Flora
BACKGROUND: Poor maternal mental health has a negative impact on child growth and development. The objective of the study was to find out the associated factors of maternal common mental disorders (CMD) in an urban slum area of Bangladesh. METHODS: This cross-sectional study was carried out from September to November 2013 among conveniently selected 264 mothers having under-five children at Kamrangirchar area of Dhaka. A structured questionnaire based on Self-Reporting Questionnaire-20 (SRQ-20) was used for data collection where a cut-off of 7 was considered to ascertain CMD...
2017: International Journal of Mental Health Systems
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