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https://www.readbyqxmd.com/read/28069189/ultrasound-treated-potato-peel-and-sweet-lime-pomace-based-biopolymer-film-development
#1
Purba Prasad Borah, Pulak Das, Laxmikant S Badwaik
Treatment and management of food processing waste is a major challenge for food industry. Potato processing industry generates tremendous amount of peel and consider it as zero valued waste. Again, pomace generated after juice extraction from sweet lime pulp is considered as waste and not properly utilized. Whereas these waste could be utilized for the development of biodegradable packaging film to overcome environmental issues. Composite films were prepared with varying proportion of potato peel powder (PP) and sweet lime pomace (SLP) in the ratio of 0:1(A), 0...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28058246/study-of-acrylamide-level-in-food-from-vending-machines
#2
Naceur Haouet, Simona Pistolese, Raffaella Branciari, David Ranucci, Maria Serena Altissimi
Acrylamide is a by-product of the Maillard reaction and is potentially carcinogenic to humans. It is found in a number of foods with higher concentrations in carbohydrate-rich foods and moderate levels of protein-rich foods such as meat, fish and seafood. Acrylamide levels in food distributed in vending machines placed in public areas of the city of Perugia were analysed by high-performance liquid chromatography. Samples included five different categories, depending on the characteristics of the products: i) potato chips; ii) salted bakery products; iii) biscuits and wafers; iv) sweet bakery products; v) sandwiches...
September 20, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28052202/selenylation-of-polysaccharide-from-the-sweet-potato-and-evaluation-of-antioxidant-antitumor-and-antidiabetic-activities
#3
Bo Yuan, Xu-Qin Yang, Meng Kou, Chang-Yan Lu, Yuan-Yuan Wang, Jun Peng, Ping Chen, Ji-Hong Jiang
Interest in sweet potato as a functional food is growing. A polysaccharide (SWP) was isolated from the sweet potato tuber and elucidation of its structure as composed of rhamnose, glucose, and galactose undertaken. To improve its activity, selenylation of this novel polysaccharide (Se-SWP) was undertaken by using microwave synthesis. In vitro evaluation showed that the Se-SWP has excellent antioxidant activity on scavenging free radicals and reducing capacity. In vivo antitumor evaluation showed selenylation polysaccharide could effectively inhibit tumor growth (>50%) and adjust immune factor levels in the mice (IL-2, TNF-α, and VEGF)...
January 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28035340/targeting-glucose-metabolism-for-healthy-aging
#4
REVIEW
Rachel A Brewer, Victoria K Gibbs, Daniel L Smith
Advancing age is the greatest single risk factor for numerous chronic diseases. Thus, the ability to target the aging process can facilitate improved healthspan and potentially lifespan. Lack of adequate glucoregulatory control remains a recurrent theme accompanying aging and chronic disease, while numerous longevity interventions result in maintenance of glucoregulatory control. In this review, we propose targeting glucose metabolism to enhance regulatory control as a means to ameliorate the aging process...
October 27, 2016: Nutr Healthy Aging
https://www.readbyqxmd.com/read/28032067/association-of-major-dietary-patterns-with-cardio-metabolic-risk-factors-in-type-2-diabetic-patients
#5
Zhaleh Shadman, Mahdieh Akhoundan, Nooshin Poorsoltan, Bagher Larijani, Mostafa Qorbani, Mehdi Hedayati, Mohsen Khoshniat Nikoo
BACKGROUND: Role of dietary modifications on the treatment and management of diabetes and complications was shown by many researchers. This study was designed to examine the association of major dietary patterns with diabetes-related cardio-metabolic risk factors in Iranian diabetes. METHODS: Totally, 525 type 2 diabetic subjects with mean age 55 ± 10 yr were included in this cross-sectional study in 2014 that followed for at least two years by the Diabetes and Metabolic disease Clinic of Tehran University of Medical Sciences, Tehran, Iran...
November 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28005969/mixed-infections-of-four-viruses-the-incidence-and-phylogenetic-relationships-of-sweet-potato-chlorotic-fleck-virus-betaflexiviridae-isolates-in-wild-species-and-sweetpotatoes-in-uganda-and-evidence-of-distinct-isolates-in-east-africa
#6
Arthur K Tugume, Settumba B Mukasa, Jari P T Valkonen
Viruses infecting wild flora may have a significant negative impact on nearby crops, and vice-versa. Only limited information is available on wild species able to host economically important viruses that infect sweetpotatoes (Ipomoea batatas). In this study, Sweet potato chlorotic fleck virus (SPCFV; Carlavirus, Betaflexiviridae) and Sweet potato chlorotic stunt virus (SPCSV; Crinivirus, Closteroviridae) were surveyed in wild plants of family Convolvulaceae (genera Astripomoea, Ipomoea, Hewittia and Lepistemon) in Uganda...
2016: PloS One
https://www.readbyqxmd.com/read/27999360/self-reported-dietary-restrictions-and-dietary-patterns-in-polish-girls-a-short-research-report-gebahealth-study
#7
Grzegorz Galinski, Marta Lonnie, Joanna Kowalkowska, Lidia Wadolowska, Jolanta Czarnocinska, Marzena Jezewska-Zychowicz, Ewa Babicz-Zielinska
Dietary restraint is a commonly reported practice observed among young females. The practice remains controversial and can be interpreted as a beneficial self-regulating behavior or the opposite, an eating disorder that may have a detrimental effect on health. The aim of this short report was to investigate if dietary restrictions are associated with dietary patterns in a representative sample of Polish girls. Analyses were carried out on data from the Girls' Eating Behavior and Health (GEBaHealth) study. The sample included 1107 girls, ranging in age from 13 to 21 years old...
December 19, 2016: Nutrients
https://www.readbyqxmd.com/read/27979299/analytical-optimization-of-a-phenolic-rich-herbal-extract-and-supplementation-in-fermented-milk-containing-sweet-potato-pulp
#8
Lorena Rodrigues Ramos, Jânio Sousa Santos, Heitor Daguer, Andressa Camargo Valese, Adriano Gomes Cruz, Daniel Granato
The aims of the present study were to optimize and characterize the phenolic composition of a herbal extract composed of green mate (Ilex paraguariensis), clove (Syzygium aromaticum), and lemongrass (Cymbopogon citratus) and to propose the addition of this polyphenol-rich extract to fermented milks (FM) with/without sweet potato pulp (Ipomoea batatas). Proximate composition, pH, acidity, instrumental texture profile, total phenolic content (TPC), antioxidant activity (AA) of all formulations were measured, and sensory attributes were also investigated...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27979226/fractionation-enzyme-inhibitory-and-cellular-antioxidant-activity-of-bioactives-from-purple-sweet-potato-ipomoea-batatas
#9
Tuba Esatbeyoglu, Miriam Rodríguez-Werner, Anke Schlösser, Peter Winterhalter, Gerald Rimbach
Sweet potato (Ipomoea batatas L.) is mainly cultivated in Asia. The deep purple color of purple sweet potato (PSP) is due to the high content of acylated anthocyanins. In the present study, PSP-derived polyphenols were identified using HPLC-PDA and HPLC-ESI-MS(n) analyses. After concentration of the polyphenols from PSP, preparative separation into two fractions, designated anthocyanins (AF) and copigments (CF), was carried out using adsorptive membrane chromatography. In enzyme inhibitory assays, all PSP samples inhibited the enzymes α-amylase, α-glucosidase and xanthine oxidase...
April 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27965751/effect-of-soybean-flour-on-physico-chemical-functional-and-rheological-properties-of-composite-flour-from-rice-sweet-potato-and-potato
#10
Elisa Julianti, Herla Rusmarilin, Ridwansyah, Era Yusraini
Three composite flours were prepared by combining rice flour, potato starch, sweet potato flour, soybean flour, and xanthan gum in the ratio of 30: 15: 50: 4.5: 0.5; 30: 15: 45: 9.5: 0.5; and 30: 15: 40: 14.5: 0.5, were analysed for selected physical, chemical, functional, and rheological properties. Fat, protein, ash, and crude fibre content were found to increase with increase in the ratio of soybean flour and decrease in the ratio of sweet potato flour in the mixture. The composite flours were not significantly different in water and oil absorption capacity, swelling power, and baking expansion...
November 2016: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/27928754/production-of-%C3%AE-1-4-glucosidase-from-bacillus-licheniformis-kibge-ib4-by-utilizing-sweet-potato-peel
#11
Muhammad Asif Nawaz, Zainab Bibi, Asad Karim, Haneef Ur Rehman, Muhsin Jamal, Tour Jan, Afsheen Aman, Shah Ali Ul Qader
In the current study, sweet potato peel (Ipomoea batatas) was observed as the most favorable substrate for the maximum synthesis of α-1,4-glucosidase among various agro-industrial residues. Bacillus licheniformis KIBGE-IB4 produced 6533.0 U ml(-1) of α-1,4-glucosidase when growth medium was supplemented with 1% dried and crushed sweet potato peel. It was evident from the results that bacterial isolate secreted 6539.0 U ml(-1) of α-1,4-glucosidase in the presence of 0.4% peptone and meat extract with 0...
December 8, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27928143/degradation-of-distillery-lees-shochu-kasu-by-cellulase-producing-thraustochytrids
#12
Yousuke Taoka, Naoki Nagano, Hiroyuki Kai, Masahiro Hayashi
Single cell oils produced by oleaginous microorganisms have attracted increasing interests as a petroleum alternative energy. Marine eukaryotes, thraustochytrids were heterotrophic, and can grow rapidly and accumulate large amount of lipids containing functional fatty acids, such as docosahexaenoic acid (DHA) in their cells body. In this investigation, thraustochytrids isolated from marine environment were cultured in the medium containing an industrial waste and an unused resource, distillery lees (Shochu kasu) to produce biofuel or functional fatty acids by microorganisms...
December 8, 2016: Journal of Oleo Science
https://www.readbyqxmd.com/read/27907130/environmental-nitrogen-losses-from-commercial-crop-production-systems-in-the-suwannee-river-basin-of-florida
#13
Rishi Prasad, George J Hochmuth
The springs and the Suwannee river of northern Florida in Middle Suwanee River Basin (MSRB) are among several examples in this planet that have shown a temporal trend of increasing nitrate concentration primarily due to the impacts of non-point sources such as agriculture. The rate of nitrate increase in the river as documented by Ham and Hatzell (1996) was 0.02 mg N L-1 y-1. Best management practices (BMPs) for nutrients were adopted by the commercial farms in the MSRB region to reduce the amounts of pollutants entering the water bodies, however the effectiveness of BMPs remains a topic of interest and discussion among the researchers, environmental administrators and policy makers about the loads of nitrogen entering into groundwater and river systems...
2016: PloS One
https://www.readbyqxmd.com/read/27884184/dietary-patterns-of-early-childhood-and-maternal-socioeconomic-status-in-a-unique-prospective-sample-from-a-randomized-controlled-trial-of-prenatal-dha-supplementation
#14
Brandon H Hidaka, Elizabeth H Kerling, Jocelynn M Thodosoff, Debra K Sullivan, John Colombo, Susan E Carlson
BACKGROUND: Dietary habits established in early childhood and maternal socioeconomic status (SES) are important, complex, interrelated factors that influence a child's growth and development. The aim of this study was to define the major dietary patterns in a cohort of young US children, construct a maternal SES index, and evaluate their associations. METHODS: The diets of 190 children from a randomized, controlled trial of prenatal supplementation of docosahexaenoic acid (DHA) were recorded at 6-mo intervals from 2-4...
November 25, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27879622/ultrasound-assisted-extraction-centrifugation-and-ultrafiltration-multistage-process-for-polyphenol-recovery-from-purple-sweet-potatoes
#15
Zhenzhou Zhu, Tian Jiang, Jingren He, Francisco J Barba, Giancarlo Cravotto, Mohamed Koubaa
This work provides an evaluation of an ultrasound-assisted, combined extraction, centrifugation and ultrafiltration process for the optimal recovery of polyphenols. A purple sweet potato (PSP) extract has been obtained using ultrasonic circulating extraction equipment at a power of 840 W, a frequency of 59 kHz and using water as solvent. Extract ultrafiltration, using polyethersulfone (PES), was carried out for the recovery of polyphenol, protein and anthocyanin. Pre-treatment, via the centrifugation of purple sweet potato extract at 2500 rpm over 6 min, led to better polyphenol recovery, with satisfactory protein removal (reused for future purposes), than PSP extract filtration without centrifugation...
November 20, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27864852/h-pyrophosphatase-ibvp1-promotes-efficient-iron-use-in-sweet-potato-ipomoea-batatas-l-lam
#16
Weijuan Fan, Hongxia Wang, Yinliang Wu, Nan Yang, Jun Yang, Peng Zhang
Iron (Fe) deficiency is one of the most common micronutrient deficiencies limiting crop production globally, especially in arid regions because of decreased availability of iron in alkaline soils. Sweet potato [Ipomoea batatas (L.) Lam.] grows well in arid regions and is tolerant to Fe deficiency. Here we report that the transcription of type I H(+) -pyrophosphatase (H(+) -PPase) gene IbVP1 in sweet potato plants was strongly induced by Fe deficiency and auxin in hydroponics, improving Fe acquisition via increased rhizosphere acidification and auxin regulation...
November 18, 2016: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/27853780/importance-of-consumer-perceptions-in-fiber-enriched-food-products-a-case-study-with-sponge-cakes
#17
Amparo Tarrega, Amparo Quiles, Pere Morell, Susana Fiszman, Isabel Hernando
Sponge cakes enriched with fiber from different sources (maltodextrin, wheat, apple, blackcurrant and a mixture of potato and Plantago ovata) were studied. Profiling of the different cakes was carried out, first using a check-all-that-apply (CATA) question then evaluating the consumers' likings using a hedonic scale. The consumers also completed a nutrition knowledge (NK) questionnaire that was used to classify them according to their NK level. The instrumental texture of the cakes was evaluated by the texture profile analysis (TPA) method...
November 17, 2016: Food & Function
https://www.readbyqxmd.com/read/27823905/bioassessment-of-heavy-metals-in-the-surface-soil-layer-of-an-opencast-mine-aimed-for-its-rehabilitation
#18
Vlado Ličina, Milica Fotirić Akšić, Zorica Tomić, Ivana Trajković, Svetlana Antić Mladenović, Milena Marjanović, Jörg Rinklebe
The contemporary reclamation method in an opencast coal mine closure comprises the use of the preserved surface soil layer (SSL) before mining, and can be directly returned to the areas being rehabilitated. The present study emphasizes a risk in the use of such a SSL in mine rehabilitation due to the possible excessive amount of heavy metals which usually derives from a metal-rich sediment or fluvial character of overburden material. This indication was approved by the bioassessment of cadmium (Cd), chromium (Cr), cobalt (Co), copper (Cu), lead (Pb), nickel (Ni), and zinc (Zn) in root and aerial parts of maize (Zea mays), alfalfa (Medicago sativa), sweet clover (Melilotus officinalis), wheat (Triticum aestivum), barley (Hordeum sativum), white clover (Trifolium repens), pasture (Poales sp...
January 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/27801985/global-regulatory-framework-for-production-and-marketing-of-crops-biofortified-with-vitamins-and-minerals
#19
Luis A Mejia, Omar Dary, Hala Boukerdenna
Biofortification of crops is being introduced in several countries as a strategy to reduce micronutrient deficiencies. Biofortified products, with increased contents of micronutrients, are currently produced by conventional plant breeding, genetic modification, or nutrient-enhanced fertilization. Corn, rice, wheat, beans, pearl millet, sweet potato, and cassava have been biofortified with increased contents of provitamin A carotenoids, iron, or zinc. However, regulatory considerations are rare or nonexistent...
November 1, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27780204/the-sweet-potato-nac-domain-transcription-factor-ibnac1-is-dynamically-coordinated-by-the-activator-ibbhlh3-and-the-repressor-ibbhlh4-to-reprogram-the-defense-mechanism-against-wounding
#20
Shi-Peng Chen, Chih-Hsien Kuo, Hsueh-Han Lu, Hui-Shan Lo, Kai-Wun Yeh
IbNAC1 is known to activate the defense system by reprogramming a genetic network against herbivory in sweet potato. This regulatory activity elevates plant defense potential but relatively weakens plants by IbNAC1-mediated JA response. The mechanism controlling IbNAC1 expression to balance plant vitality and survival remains unclear. In this study, a wound-responsive G-box cis-element in the IbNAC1 promoter from -1484 to -1479 bp was identified. From a screen of wound-activated transcriptomic data, one transcriptional activator, IbbHLH3, and one repressor, IbbHLH4, were selected that bind to and activate or repress, respectively, the G-box motif in the IbNAC1 promoter to modulate the IbNAC1-mediated response...
October 2016: PLoS Genetics
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