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Volume 72 - 2013

Contents

Page 8 of 20

Abstract

  • Stability of anthocyanins in vitro

  • A. M. Amini, A. Rodriguez-Mateos, J. P. E. Spencer, P. Yaqoob
  • Published online by Cambridge University Press:
    30 August 2013, E198
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Symposium 4: Diet and ageing

Conference on ‘Translating nutrition: integrating research, practice and policy’

  • Strategies to improve diet in older adults

  • Mary Ann Johnson
  • Published online by Cambridge University Press:
    09 November 2012, pp. 166-172
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  • It is estimated that by 2050 there will be 2 billion people aged 60 years and older in the world. The evidence base for the health benefits of good nutrition and physical activity, as well as weight loss among overweight and obese adults, is growing and a number of policies and guidelines are available to guide health professionals in serving older people at various stages of the lifecycle. There are many potential influences on dietary habits including individual factors, families and friends, community characteristics, the food and supplement industry, and public policy. This review focuses on the evidence base for factors influencing diet in older adults, food insecurity, Na, vitamin D, vitamin B12, protein, obesity and the benefits of energy restriction in overweight and obese older adults. Research is needed to continue to increase the evidence base for appropriate ways to improve diet and health in older people. Also, much of the available information is from the US, so there is a need to conduct research in other areas of the world.

Abstract

Nutrition Society Symposium: Muscle wasting with age: a new challenge in nutritional care; part 1 – the underlying factor

Conference on ‘Malnutrition matters’

  • Ageing and the gut

  • Edward Britton, John T. McLaughlin
  • Published online by Cambridge University Press:
    12 November 2012, pp. 173-177
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  • The goal of this brief review is to address the role of the ageing gut in the genesis of malnutrition in the elderly. We assess the burden of malnutrition in the elderly, exploring the role of comorbid conditions and neurohumoral changes that take place to contribute towards the process of anorexia associated with ageing. Following this, the review assesses physiological changes that occur in each part of the gastrointestinal (GI) tract and what implication they may have in clinical practice. In the oropharynx and the oesophagus, changes in swallowing and oesophageal motility associated with ageing can be demonstrated using physiological testing. However, in the absence of comorbid disease, they often have little, if any, clinical significance. In the stomach, reduced fundal compliance may contribute to early satiety; however, the primary change is hypochlorhydria, which may predispose to malabsorption or bacterial overgrowth further along the GI tract. Almost uniquely, the small bowel, particularly its absorptive function, is unaffected by age and we review the literature demonstrating this. In the colon, there is evidence of a prolonged transit time related to a reduction in both neurotransmitters and receptors. Although this may cause symptoms, this aspect is unlikely to contribute to malnutrition. In addition, we assess the potential changes in the gut microbiome and how this may interact with the immune system in the process of ‘inflamm-ageing’. We conclude by summarising the main changes and their impact for the clinician along with recommendations for future areas of research.

Abstract

  • Rinsing carbohydrate solutions in the mouth; effect on cycle time trial performance in the heat

  • P. Watson, D. Nichols
  • Published online by Cambridge University Press:
    30 August 2013, E199
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  • Database of typical food portion sizes in Irish pre-school children aged 1–4 years

  • M. Giltinan, J. Lyons, J. Walton, A. Flynn
  • Published online by Cambridge University Press:
    28 August 2013, E131
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Symposium 3: Obesity-related cancers

70th Anniversary Conference on ‘From plough through practice to policy’

  • The gut microbial metabolome: modulation of cancer risk in obese individuals

  • Wendy R. Russell, Sylvia H. Duncan, Harry J. Flint
  • Published online by Cambridge University Press:
    23 November 2012, pp. 178-188
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  • Obesity is a critical health concern and although genetic factors may predispose an individual to become obese, changes in diet and lifestyle over the last few decades are likely to be significant contributors. Even so, it has been suggested that the causes of the current obesity crisis are not simply explained by changes in eating and exercise habits. Evidence suggests that the gut microbiota may play an important role in obesity and may be a factor in the development of associated disease including diabetes, CVD, non-alcoholic fatty liver disease and cancer. There have been tremendous advances in knowledge regarding the composition of human gut microbiota, but less is known about their function and role within the human host. It is becoming widely accepted that the products of microbial metabolism influence human health and disease, particularly with respect to immune response and inflammation. However, in most cases, the products of microbial metabolism are uncharacterised and their mechanism of action remains unknown. This review addresses the role of the metabolites produced by gut microbiota in cancer and obesity. It is clear that only if the link between microbial diversity and metabolic functionality is firmly established, will the mechanism by which gut microbiota maintains health or contributes to disease development be elucidated.

Abstract

  • Sugar release from various starch rich foods with added polyphenol extracts

  • S. Coe, L. Ryan
  • Published online by Cambridge University Press:
    30 August 2013, E201
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Front Cover (OFC, IFC) and matter

  • PNS volume 72 issue 1 Cover and Front matter

  • Published online by Cambridge University Press:
    21 January 2013, pp. f1-f6
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Abstract

Page 8 of 20