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Food Consumption Trends And Drivers, John Kearney

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A picture of food consumption (availability) trends and projections to 2050, both globally and for different regions of the world along with the drivers largely responsible for these observed consumption trends are the subject of this review. Throughout the world, major shifts in dietary patterns are occurring, even in the consumption of basic staples towards more diversified diets. Accompanying these changes in food consumption at a global and regional level have been considerable health consequences. Populations in those countries undergoing rapid transition are experiencing nutritional transition. The diverse nature of this transition may be the result of differences in socio …

Factors Associated With Weaning Practices In Term Infants: A Prospective Observational Study In Ireland., Roslyn Tarrant, Katherine Younger, Margaret Sheridan-Pereira, Martin White, John Kearney

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The WHO (2001) recommends exclusive breast-feeding and delaying the introduction of solid foods to an infant’s diet until 6 months postpartum. However, in many countries, this recommendation is followed by few mothers, and earlier weaning onto solids is a commonly reported global practice. Therefore, this prospective, observational study aimed to assess compliance with the WHO recommendation and examine weaning practices, including the timing of weaning of infants, and to investigate the factors that predict weaning at #12 weeks. From an initial sample of 539 pregnant women recruited from the Coombe Women and Infants University Hospital, Dublin, 401 eligible mothers were …

The Prevalence And Determinants Of Breastfeeding Initiation And Duration In A Sample Of Women In Ireland, Roslyn Tarrant, Katherine Younger, Margaret Sheridan-Pereira, Martin White, John Kearney

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Objective: To assess breast-feeding initiation and prevalence from birth to 6 months in a sample of mothers in Dublin, and to determine the factors associated with breast-feeding initiation and ‘any’ breast-feeding at 6 weeks in a sample of Irish-national mothers. Design: This prospective cross-sectional study involved the recruitment of women during the antenatal period, with subsequent follow-up of mothers who delivered healthy, term singleton infants, at 6 weeks and 6 months postpartum. Setting: Participants were recruited from antenatal clinics in the Coombe Women and Infants University Hospital, Dublin. Subjects: In all, 401 Irish-national and forty-nine non-Irish-national mothers met the criteria …

Sources Of Saturated Fat And Sucrose In The Diets Of Swedish Children And Adolescents In The European Youth Heart Study: Strategies For Improving Intakes, Emma Patterson, Julia Wärnberg, John Kearney, Michael Sjostrom

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To compare macronutrient intakes of Swedish children and adolescents to population goals; to identify the major sources of energy, fat, saturated fat and sucrose; and to simulate the effect adherence to current food-based dietary guidelines (FBDG) would have on saturated fat and sucrose intakes. Cross-sectional study. From 24 h recall data, food groups contributing most to energy, fat, saturated fat and sucrose were identified. Based on the prevailing consumption of foods mentioned in the FBDG, we simulated five scenarios: changes in milk and yoghurt; cheese; energy-dense, nutrient-dilute foods; soft drinks; and burger and sausage consumption. Stockholm and Örebro (Sweden) in …

Dietary Energy Density As Marker Of Dietary Quality In Swedish Children And Adolescents: The European Youth Heart Study, Emma Patterson, J. Wärnberg, E. Poortvliet, John Kearney, M. Sjöström

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To investigate if dietary energy density is associated with measures of dietary quality (food group, micronutrient and macronutrient intakes) in children and adolescents.

Editorial: Nutrition Research Reviews, Katherine Younger

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This is the time of year when pumpkins are in season, and are incorporated into traditional festivals in Europe and North America (Harvest, Halloween, Thanksgiving). If you have previously considered pumpkins as good only for carving into grinning Jack O’Lanterns then the short review from Yadev et al. (1) might shed a little light on some of its potential medicinal properties, including antioxidant, antiinflammatory, anti-carcinogenic and anti-diabetic. However, the active compounds, possibly various alkaloids and flavonoids, have yet to be isolated and characterised, and much of the work cited has been done in animal or in vitro models, so the …

Quality And Safety Assessment During The Ozonation Of Cloudy Apple Juice, Sonal Patil, B. Torres, Brijesh Tiwari, Hilda Wingaard, Paula Bourke, Patrick J. Cullen, C. O'Donnell, Vasilis Valdramidis

Articles

Traditionally, ozone processing within the food industry has focused on solid foods by either gaseous treatment or washing with ozonated water. However, with the FDA’s approval of ozone as a direct additive to food, the potential for liquid applications has emerged. This study investigates the effect of ozone processing on microbial inactivation (E. coli ATCC 25922 and NCTC 12900), and quality parameters (colour, phenolic content) of apple juice. Apple juice samples were ozonated at room temperature (20±1.5^oC) with an ozone concentration of 0.048 mg O₃ min^-1 ml^-1 and treatment time of 0 to 10 …

Characterization Of Phenolics Composition In Lamiaceae Spices By Lc-Esi-Ms/Ms, Mohammad Hossain, Dilip Rai, Nigel Brunton, Ana Belen Martin-Diana, Catherine Barry-Ryan

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A total of 38 phenolic compounds in the solid/liquid extracts of five Lamiaceae spices such as rosemary, oregano, sage, basil and thyme were identified in the present study using LC-ESI-MS/MS. These compounds were distributed in four major categories namely hydroxycinnamic acid derivatives, hydroxybenzoic acid derivatives, flavonoids and phenolic terpenes. Among them, the category of flavonoids was the largest with 17 compounds. Identification of the phenolic compounds was carried out by comparing retention times and mass spectra with those of authentic standards. In case of unavailability of standards, phenolic compounds were identified based on accurate mass of pseudomolecular [M-H]- ions and …

An Evaluation Of A Community Dietetics Intervention On The Management Of Malnutrition For Healthcare Professionals, Sharon Kennelly, N. P. Kennedy, G. Flanaghan-Rughoobur, C. Glennon-Slattery, Sheila Sugrue

Articles

Background: Healthcare professionals working in the community setting have limited knowledge of the evidence-based management of malnutrition. The present study aimed to evaluate a community dietetics intervention, which included an education programme for healthcare professionals in conjunction with the introduction of a community dietetics service for patients ‘at risk’ of malnutrition. Changes in nutritional knowledge and the reported management of malnourished patients were investigated and the acceptability of the intervention was explored. Methods: An education programme, incorporating ‘Malnutrition Universal Screening Tool (MUST)’ training, was implemented in eight of 10 eligible primary care practices (14 general practitioners and nine practice nurses …

Quantitative Modelling Approaches For Ascorbic Acid Degradation And Non-Enzymatic Browning Of Orange Juice During Ultrasound Processing, Vasilis Valdramidis, Patrick J. Cullen, Brijesh Tiwari, Colm O’Donnell

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The objective of this study was to develop a deterministic modelling approach for non-enzymatic browning (NEB) and ascorbic acid (AA) degradation in orange juice during ultrasound processing. Freshly squeezed orange juice was sonicated using a 1,500 W ultrasonic processor at a constant frequency of 20 kHz and processing variables of amplitude level (24.4 – 61.0 μm), temperature (5 – 30 oC) and time (0 – 10 min). The rate constants of the NEB and AA were estimated by a primary model (zero and first order) while their relationship with respect to the processing factors was tested for a number of …

Study Of The Microbial Diversity And Antimicrobial Properties Of Irish Edible Brown Seaweeds, Shilpi Gupta, Gaurav Rajauria, Nissreen Abu-Ghannam

Articles

Brown Irish edible seaweeds, Himanthalia elongata, Laminaria sachharina and Laminaria digitata, were evaluated for the microbiota in raw and heat processed form. Raw seaweeds showed complete absence of aerobic mesophiles, halophiles, yeasts and molds. However, heating at 85 C for 15 min resulted in spore germination. Bacterial counts as high as 107 were observed for aerobic mesophiles and halophiles. Heating above 95 C for 15 min resulted in complete inactivation of surface microflora. Bacteria belonging to Bacillaceae, Paenibacillaceae, Moraxellaceae and Enterobacteriaceae family were identified by 16S rRNA sequencing. In vitro antimicrobial activity of the methanolic extracts of the seaweed on …

Ozone Inactivation Of Acid Stressed Listeria Monocytogenes And Listeria Innocua In Orange Juice Using A Bubble Column, Sonal Patil, Vasilis Valdramidis, Jesus Maria Frias, Patrick J. Cullen, Paula Bourke

Articles

Orange juice inoculated with Listeria monocytogenes strains ATCC 7644, NCTC 11994 and Listeria innocua NCTC 11288 (10⁶ CFU/ml) as challenge microorganisms was treated with direct ozone at 0.098mg/min/ml for different time periods (0-8 min) using an ozone bubble column. Ozone treatment of mild acid stressed and mild acid stress-habituated (pH 5.5) cells of L. monocytogenes resulted in higher inactivation times compared to control non-acid stressed cells. Additionally acid stressed cells habituated in orange juice (ATCC 7644 & NCTC 11288), showed higher inactivation times during ozonation by comparison with the control as well as the mild-acid stressed cells. Overall the …

Influence Of Cultivation Conditions On The Production Of A Thermostable Extracellular Lipase From Amycolatopsis Mediterranei Dsm 43304, Dharmdendra Dheeman, Jesus Maria Frias, Gary Henehan

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Among several lipase producing actinomycete strains screened, Amycolatopsis mediterranei DSM 43304 was found to produce a thermostable, extracellular lipase. Culture condition and nutrient source modification studies involving carbon sources, nitrogen sources, incubation temperature and medium pH were carried out. Lipase activity of 1.37 ± 0.103 IU/ml of culture medium was obtained in 96 h at 28 °C and pH 7.5 using linseed oil and fructose as carbon sources and a combination of phytone peptone and yeast extract (5:1) as nitrogen sources. In optimal culture conditions the lipase activity was enhanced 12-fold with a 2-fold increase in lipase specific activity. The …

Effect Of Drying Method On The Antioxidant Capacity Of Six Larniaceae Herbs, M. Hossain, Catherine Barry-Ryan, Ana Belen Martin-Diana, N. Brunton

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The present study investigated the changes in total phenols (TP), rosmarinic acid content and antioxidant capacity of six Lamiaceae herbs (rosemary, oregano, marjoram, sage, basil and thyme) after three drying treatments (air-, freeze- and vacuum oven-drying) stored for 60 days at −20 °C and compared to fresh samples. Ferric reducing antioxidant property (FRAP) and oxygen radical absorbance capacity (ORAC) were used as markers for antioxidant capacity. Air-dried samples had significantly (p < 0.05) higher TP, rosmarinic acid content and antioxidant capacity than had freeze-dried and vacuum oven-dried samples throughout the storage period. Fresh samples had the lowest values for the parameters tested. Vacuum oven-drying resulted in higher TP and FRAP values in rosemary and thyme during 60 days of storage than did freeze-drying. In ORAC assay, the difference was significantly higher only in thyme. Storage did not show any effect on the dried samples for the parameters tested.

Untreated And Enzyme-Modified Bovine Whey Products Reduce Association Of Salmonella Typhimurium, Escherichia Coli O157:H7 And Cronobacter Malonaticus (Formerly Enterobacter Sakazakii) To Caco-2 Cells, Rachel Halpin, D.B. Brady, E.D. O’Riordan, M. O’Sullivan

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Adhesion of a micro-organism to a cell surface is often considered to be the first step in pathogenesis. Inhibiting this process may have therapeutic effects in vivo. This study investigates the inhibitory effects of various bovine whey products on the association of Salm. Typhimurium, E. coli O157:H7 and C. malonaticus (formerly Enterobacter sakazakii) to the human CaCo-2 cell line. Invasion of CaCo-2 cells by Salm. Typhimurium and C. malonaticus was also examined.

Medium Mediated Effects Increase Cell Killing In A Human Keratinocyte Cell Line Exposed To Solar Simulated Radiation, Fiona Lyng, Alanna Maguire, Brian Morrissey, James E. Walsh

Articles

Purpose: The objective of this study is to investigate whether cell culture medium is 40 a biologically relevant exposure medium that can be employed in non-ionising photobiological investigations. 42 Methods: The effect of solar simulated irradiation on cell culture medium and its ability to elicit cell death was studied. The role of reactive oxygen species (ROS), cell 44 secreted factors, and the contribution of individual components of the medium were investigated. 46 Results: Cell death was found to be primarily mediated through the formation of ROS via riboflavin photosensitisation and degradation in the cell culture medium. Phenol 48 red was …

Altered Mitochondrial Function And Genome Frequency Post Exposure To Γ-Radiation And Bystander Factors, Fiona Lyng, Sharon Nugent,, Carmel E. Mothersill,, Colin Seymour, Brendan Mcclean,, James E. J. Murphy

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PURPOSE:

To further evaluate irregular mitochondrial function and mitochondrial genome damage induced by direct γ-irradiation and bystander factors in human keratinocyte (HPV-G) epithelial cells and hamster ovarian fibroblast (CHO-K1) cells. This is as a follow-up to our recent reports of γ-irradiation-induced loss of mitochondrial function and mitochondrial DNA (mtDNA) damage.

Growth And Kinetics Of Lactobacillus Plantarum In The Fermentation Of Edible Irish Brown Seaweeds, Shilpi Gupta, Nissreen Abu-Ghannam, Amalia G.M. Scannell

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The aim of the present study was to see the applicability of using brown edible seaweeds as a sole source of nutrition for the growth of lactic acid bacteria. Growth kinetics of lactic acid bacteria (LAB; Lactobacillus plantarum) was studied using three species of edible Irish brown seaweeds Himanthalia elongata, Laminaria digitata and Laminaria saccharina. As part of the screening process, growth of the LAB was carried out on raw and heat treated forms of seaweeds. The seaweed species in their raw state could not support the growth of L. plantarum. Heat treatment resulted in almost 4 times increase in …

Welfare As Happiness, John Bronsteen, Christopher Buccafusco, Jonathan Masur

Articles

Perhaps the most important goal of law and policy is improving people’s lives. But what constitutes improvement? What is quality of life, and how can it be measured? In previous articles, we have used insights from the new field of hedonic psychology to analyze central questions in civil and criminal justice, and we now apply those insights to a broader inquiry: how can the law make life better? The leading accounts of human welfare in law, economics, and philosophy are preference-satisfaction - getting what one wants - and objective list approaches - possessing an enumerated set of capabilities. This Article …

Augmentation Of Macular Pigment Following Implantation Of Blue Light-Filtering Introcular Lenses At The Time Of Cataract Surgery, John Nolan, Philip O'Reilly, James Loughman, Jim Stack, Edward Loane, Eithne Connolly, Stephen Beatty

Articles

PURPOSE. (Photo)-oxidative stress is believed to play a role in the pathogenesis of age-related macular degeneration (AMD), with the threshold for retinal damage being lowest for short-wavelength (blue) light. Macular pigment (MP), consisting of the carotenoids lutein (L), zeaxanthin (Z) and meso-Z, has a maximum absorption at 460 nm and protects the retina from (photo)-oxidative injury. This study was designed to investigate whether the blue light–filtering properties of the Alcon AcrySof Natural intraocular lens (ANIOL) implanted during cataract surgery affects MP optical density (MPOD). METHODS. Forty-two patients scheduled for cataract surgery were recruited for the study. These patients all had …

The Effects Of Acid Adaptation On Escherichia Coli Inactivation Using Power Ultrasound, Sonal Patil, Paula Bourke, Bridget Cullen, Jesus Maria Frias, Patrick J. Cullen

Articles

Inactivation of Escherichia coli in liquids was carried out using power ultrasound. Parameters examined included amplitude levels (0.4µm, 7.5 µm, 37.5 µm), treatment time, cell condition (non-adapted cells, acid adapted cells), liquid media (TSB, model orange juice and model apple juice) and E. coli strain (ATCC 25922, NCTC 12900). The efficacy of ultrasound treatment was found to be a function of amplitude level, treatment time and media (p0.95), with the highest inactivation achieved using an amplitude of 37.5 µm. The D-values of E. coli 25922 at all amplitudes in model orange juice were not significantly different than in TSB media. …

Orange Juices Enriched With Chitosan: Optimisation For Extending The Shelf-Life, Catherine Barry-Ryan, Ana Belen Martin-Diana, Daniel Rico, J. Barat

Articles

Optimisation of the incorporation of chitosan in orange juice was accomplished by the evaluation of quality and nutritional markers. Response surface methodology was applied to obtain quadratic and second degree response surface model equations. The analyses showed that increases in chitosan concentration extended the quality of the orange juice significantly (p < 0.05), reducing enzymatic and non-enzymatic browning and controlling the spoilage during the storage time; however, concentrations N 1 g L− 1 produced a significant (p < 0.05) reduction in the concentrations of ascorbic acid and carotenoids associated with the positive charge of chitosan and its ability to flocculate and coagulate negatively charged substances. Also, concentrations N 1 g L− 1 were scored as unacceptable for the sensory panel due to an increase in bitterness. The study recommends the use of chitosan at concentrations up to 1 g L− 1 to extend quality and preserve ascorbic acid and carotenoids during storage time of fresh orange juice, thus avoiding the use of standard thermal treatments which produces a negative impact on the nutritional value. Industrial relevance: One of the major problems of fresh orange juice is its limited shelf-life. Spoilage and quick degradation of vitamins are two of the most important causes of quality loss during the shelf-life of this product. Moreover, the U. S. Food and Drug Administration issued a warning to consumers against drinking unpasteurised orange juice products because of the potential contamination with Salmonella typhimurium and its association with an outbreak of human disease caused by this organism [FDA issues nationwide health alert on Orchid Island unpasteurised orange juice. Products Recalls, Market Withdrawals and Safety Alerts.]. The main objective of this study was the study of chitosan as a natural preservative for extending the shelf-life of orange juice and as an alternative to pasteurisation.

Identification Of An Rsh Gene From A Novosphingobium Sp. Necessary For Quorum-Sensing Signal Accumulation, Han Ming Gan, Larry Buckley, Ernő Szegedi, André O. Hudson, Michael A. Savka

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The stringent response is a mechanism by which bacteria adapt to environmental stresses and nutritional deficiencies through the synthesis and hydrolysis of (p)ppGpp by RelA/SpoT enzymes. Alphaproteobacteria and plants contain a single Rsh enzyme (named for RelA/SpoT homolog) that is bifunctional. Here we report the identification of a new species of bacteria belonging to the genus Novosphingobium and characterization of an rsh mutation in this plant tumor-associated isolate. Isolate Rr 2-17, from a grapevine crown gall tumor, is a member of the Novosphingobium genus that produces the N-acyl-homoserine lactone (AHL) quorum-sensing (QS) signals. A Tn5 mutant, Hx 699, deficient in …

Impact Of Plant Essential Oils On Microbiological, Organoleptic And Quality Markers Of Minimally Processed Vegetables, Jorge Gutierrez, Paula Bourke, Julien Lonchamp, Catherine Barry-Ryan

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The objectives of this study were to evaluate the efficacy of plant essential oils (EOs) for control of the natural spoilage microflora on ready-to-eat (RTE) lettuce and carrots whilst also considering their impact on organoleptic properties. Initial decontamination effects achieved using EOs were comparable to that observed with chlorine and solution containing oregano recorded a significantly lower initial TVC level than the water treatment on carrots (p < 0.05). No significant differences were found between the EO treatments and chlorine considering gas composition, color, texture and water activity of samples. The sensory panel found EO treatments acceptable for carrots throughout storage, while lettuce washed with the EO solutions were rejected for overall appreciation by Day 7. Correlating microbial and sensory changes with volatile emissions identified 12 volatile quality markers. Oregano might be a suitable decontamination alternative to chlorine for RTE carrots, while the identification of volatile quality markers is a useful complement to sensory and microbiological assessments in the monitoring of organoleptic property changes and shelf-life of fresh vegetables. Industrial relevance There is industrial demand for natural alternatives to chlorine, which is commonly used for decontamination of fresh produce but which has limitations with respect to antimicrobial efficacy and possible formation of carcinogenic compounds in water. Plant essential oils have proven antimicrobial and other bioactive properties, however their usefulness in foods can be mitigated by their high sensory impact. This study examined the application of EOs for fresh produce decontamination addressing control of spoilage microflora and improving shelf-life characteristics whilst also considering the impact on organoleptic properties. The effectiveness of oregano as a decontamination treatment was comparable with that of chlorine. Carrot discs treated with the EO regimes were acceptable in terms of sensory quality and appreciation, therefore oregano could offer a natural alternative for the washing and preservation of fresh produce. Combining EOs with other natural preservatives might minimize doses and reduce the impact on organoleptic properties of fresh vegetables.

Extrinsic Control Parameters For Ozone Inactivation Of Escherichia Coli Using A Bubble Column, Sonal Patil, Patrick J. Cullen, Bridget Cullen, Jesus Maria Frias, Paula Bourke

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Aims: To investigate the effect of extrinsic control parameters for ozone inactivation of E. coli in a bubble column. Methods and Results: Ozone inactivation of Escherichia coli ATCC 25922 in Tryptic Soya Broth was examined. The parameters studied included temperature (ambient, 20, 25 and 30°C), exposure time (up to 30 min), gas flow rate (0·03, 0·06, 0·12, 0·25, 0·5 and 0·75 l min−1) and concentration level (five different levels). The efficacy of ozone treatment was a function of the parameters investigated and optimum control parameters of flow rate (0·12 l min−1), temperature (ambient) and ozone concentration (75 μg ml−1) resulted …

Establishment Of The Regeneration System For Vicia Faba L., Shimaa Bahgat, Omer A. Shabban, Osama El-Shihy, David A. Lightfoot, Hany A. El- Shemy

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A reliable regeneration system for faba bean has been difficult to establish and therefore, the genetic improvement of Vicia faba L. was delayed. The paper describes a method of somatic embryo induction in callus of V. faba . Two Egyptian faba bean cultivars 'Giza 2' and '24 Hyto' were used. Callus was induced from epicotyls and shoot tips cultured on MS or Gamborg medium supplemented with 3% sucrose and 0.025% (w/v) for each of ascorbic and citric acid, 0.8% agar and different concentrations of 10 mg/l BAP, 0.5 mg/l of each NAA and 2,4-dichlorophenoxyacetic acid (M1) and 1 mg/l BAP …

Building The Bottom Up From The Top Down, A. Michael Froomkin

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"Bottom up" governance. "Self-organization." These are among the most talismanic virtue-words of modern political discourse. Yet the reality is that in politics, "self-organization" is rare, being hard to initiate and even harder to sustain. As Oscar Wilde once complained about socialism, it "requires too many evenings." Governance as we tend to know it depends primarily on hierarchical institutions, or on close coordination within small groups. True partnerships, conversations among engaged equals, do not seem to scale. Indeed, whether one believes the fundamental problem to be something about the economics of group formation, the iron law of oligarchy, or something in …

Application Of Natural Antimicrobials For Food Preservation, Brijesh Tiwari, Vasilis Valdramidis, Colm O' Donnell, Kasiviswanathan Muthukumarappan, Patrick J. Cullen, Paula Bourke

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In this review, antimicrobials from a range of plant, animal, and microbial sources are reviewed 10 along with their potential applications in food systems. Chemical and biochemical antimicrobial 11 compounds derived from these natural sources and their activity against a range of pathogenic and 12 spoilage microorganisms pertinent to food, together with their effects on food organoleptic proper- 13 ties, are outlined. Factors influencing the antimicrobial activity of such agents are discussed 14 including extraction methods, molecular weight, and agent origin. These issues are considered in 15 conjunction with the latest developments in the quantification of the minimum inhibitory (and …

The Antimicrobial Efficacy And Structure Activity Relationship Of Novel Carbohydrate Fatty Acid Derivatives Against Listera Spp. And Food Spoilage Microorganisms, Patricia Nobmann, Aoife Smith, Julie Dunne, Gary Henehan, Paula Bourke

Articles

Novel mono-substituted carbohydrate fatty acid (CFA) esters and ethers were investigated for their antibacterial activity against a range of pathogenic and spoilage bacteria focussing on Listeria monocytogenes. Carbohydrate derivatives with structural differences enable comparative studies on the structure/activity relationship for antimicrobial efficacy and mechanism of action. The antimicrobial efficacy of the synthesized compounds was compared with commercially available compounds such as monolaurin and monocaprylin, as well as the pure free fatty acids, lauric acid and caprylic acid, which have proven antimicrobial activity. Compound efficacy was compared using an absorbance based broth microdilution assay to determine the minimum inhibitory concentration (MIC), …

The Pleading Problem, Adam N. Steinman

Articles

Federal pleading standards are in crisis The Supreme Courts recent decisions in Bell Atlantic Corp v Twombly and Ashcroft v Iqbal have the potential to upend civil litigation as we know it What is urgently needed is a theory of pleading that can bring Twombly and Iqbal into alignment with the text of the Federal Rules of Civil Procedure and a halfcentury worth of Supreme Court precedent while providing a coherent methodology that preserves access to the courts and allows pleadings to continue to play their appropriate role in the adjudicative process This Article provides that theory It develops a …