Epidemiological and animal data show associations between whole grain and dietary fiber intakes and disease risk reduction. Dietary fiber can be considered a "black box" since its molecular structure can vary significantly. Limited data are available linking the health effects of dietary fiber to certain molecular structures. The present review was conducted to examine the existing knowledge of structure/effect relationships with a focus on human intervention studies that examined the relationships between the molecular structure of cereal dietary fiber and both the blood glucose and insulin responses and gut health. An extensive search of the existing literature was conducted using the PubMed database for the period 1993-2008. Of 48 publications originally identified using the search criteria, 13 provided molecular information in conjunction with fiber type. Several indications show a link between molecular structure and physiological effects. Limited data from human intervention trials are available to verify hypotheses derived from in vitro studies that relate the molecular structure of cereal dietary fiber to both insulin and glucose response and gut health.
© 2015 British Nutrition Foundation.Europe recognises the need for technological innovation along with the importance of bridging the gap between science and society. The European Commission has developed a strategy to foster public engagement and a sustained two-way dialogue between science and civil society, and has set up a framework for Responsible Research and Innovation. The EU-funded project INPROFOOD aimed to find new ways to establish dialogue and mutual learning among stakeholders meant to inform subsequent work and future initiatives towards Responsible Research and Innovation. More specifically, INPROFOOD aimed to: (1) increase understanding of the landscapes of food and health innovation research programming; (2) adapt, test and evaluate the application of different stakeholder engagement methods to the area of food and health innovation research programming, which included European Awareness Scenario Workshops, PlayDecide games and an Open Space conference; and (3) to develop an action plan to progress towards Responsible Research and Innovation in this domain. The latter entailed a so-called Mobilisation and Mutual Learning Action Plan, which lays down a concrete framework for inclusive stakeholder involvement at different stages of the research and innovation process, with tangible key actions in five priority areas
Herbs, herbal extracts, or phytochemicals are broadly used as foods, drugs, and as traditional medicines. These are well regulated in Europe, with thorough controls on both safety and efficacy or validity of health claims. However, the distinction between medicines and foods with health claims is not always clear. In addition, there are several cases of herbal products that claim benefits that are not scientifically demonstrated. This review details the European Union (EU) legislative framework that regulates the approval and marketing of herbal products bearing health claims as well as the scientific evidence that is needed to support such claims. To illustrate the latter, we focus on phytoecdysteroid (PE)-containing preparations, generally sold to sportsmen and bodybuilders. We review the limited published scientific evidence that supports claims for these products in humans. In addition, we model the in silico binding between different PEs and human nuclear receptors and discuss the implications of these putative bindings in terms of the mechanism of action of this family of compounds. We call for additional research to validate the safety and health-promoting properties of PEs and other herbal compounds, for the benefit of all consumers.
The field of Mobile health (mHealth), which includes mobile phone applications (apps), is growing rapidly and has the potential to transform healthcare by increasing its quality and efficiency. The present paper focuses particularly on mobile technology for body weight management, including mobile phone apps for weight loss and the available evidence on their effectiveness. Translation of behaviour change theory into weight management strategies, including integration in mobile technology is also discussed. Moreover, the paper presents and discusses the myPace platform as a case in point. There is little clinical evidence on the effectiveness of currently available mobile phone apps in enabling behaviour change and improving health-related outcomes, including sustained body weight loss. Moreover, it is unclear to what extent these apps have been developed in collaboration with health professionals, such as dietitians, and the extent to which apps draw on and operationalise behaviour change techniques has not been explored. Furthermore, presently weight management apps are not built for use as part of dietetic practice, or indeed healthcare more widely, where face-to-face engagement is fundamental for instituting the building blocks for sustained lifestyle change. myPace is an innovative mobile technology for weight management meant to be embedded into and to enhance dietetic practice. Developed out of systematic, iterative stages of engagement with dietitians and consumers, it is uniquely designed to complement and support the trusted health practitioner-patient relationship. Future mHealth technology would benefit if engagement with health professionals and/or targeted patient groups, and behaviour change theory stood as the basis for technology development. Particularly, integrating technology into routine health care practice, rather than replacing one with the other, could be the way forward.
The dominant approaches to public health policy on childhood obesity are based on the neoliberal emphasis of personal choice and individual responsibility. We study adolescents' (N = 81) beliefs about responsibility for childhood obesity as a public health issue, through an innovative participatory method, PlayDecide, organised in two countries: the UK and Spain. There is no evidence of a blanket rejection of individual responsibility, rather, a call for renegotiation of the values that inform adolescents' food choices. The findings suggest the need to broaden the framing of obesity-related policy to go beyond the nutritional paradigm and include other values that signal health.
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