Portion Size

份量大小
  • 文章类型: Journal Article
    跨国连锁餐厅在全球75至139个与肥胖和非传染性疾病有关的国家销售食品和饮料产品。这项研究调查了跨国连锁餐厅重新配制的产品和标准化部分是否符合健康饮食指南和标准。首先,我们描述了跨国餐饮业的结构和饮食趋势。其次,我们总结了对餐馆健康饮食指南进行范围审查的结果.第三,我们描述了对5个电子数据库(2000-2018年)的系统回顾,以确定跨国餐馆在18年中对营养成分和份量变化的研究.我们使用系统评价和荟萃分析(PRISMA)指南的首选报告项目,确定了179条记录,包括在六个地区的30个国家进行的50项研究。范围审查发现了一些专家建议的目标,以改善餐厅的供应,但没有国际公认的标准部分或服务的大小。系统审查结果表明,没有标准化的评估方法或指标来评估跨国连锁餐厅改善菜单产品的做法。国家内部和国家之间存在很大差异,regions,公司,和减少能量的链条,饱和和反式脂肪,钠,和标准化的部分。这些结果可能会为未来的研究提供信息,并鼓励跨国连锁餐厅提供健康的产品概况和标准化的部分,以减少全球肥胖和非传染性疾病的风险。
    Transnational restaurant chains sell food and beverage products in 75 to 139 countries worldwide linked to obesity and non-communicable diseases (NCDs). This study examined whether transnational restaurant chains reformulated products and standardized portions aligned with healthy dietary guidelines and criteria. Firstly, we describe the transnational restaurant industry structure and eating trends. Secondly, we summarize results from a scoping review of healthy dietary guidelines for restaurants. Thirdly, we describe a systematic review of five electronic databases (2000-2018) to identify studies on nutrient profile and portion size changes made by transnational restaurants over 18 years. We used Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines, identified 179 records, and included 50 studies conducted in 30 countries across six regions. The scoping review found a few expert-recommended targets for restaurants to improve offerings, but no internationally accepted standard for portions or serving sizes. The systematic review results showed no standardized assessment methods or metrics to evaluate transnational chain restaurants\' practices to improve menu offerings. There was wide variation within and across countries, regions, firms, and chains to reduce energy, saturated and trans fats, sodium, and standardized portions. These results may inform future research and encourage transnational chain restaurants to offer healthy product profiles and standardized portions to reduce obesity and NCD risks worldwide.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    Despite the known health benefits of fruit and vegetables (FV), population intakes remain low. One potential contributing factor may be a lack of understanding surrounding recommended intakes. The present study aimed to explore the understanding of FV intake guidelines among a sample of low FV consumers.
    Six semi-structured focus groups were held with low FV consumers (n = 28, age range 19-55 years). Focus groups were recorded digitally, transcribed verbatim and analysed thematically using nvivo (QSR International, Melbourne, Australia) to manage the coded data. Participants also completed a short questionnaire assessing knowledge on FV intake guidelines. Descriptive statistics were used to analyse responses.
    The discussions highlighted that, although participants were aware of FV intake guidelines, they lacked clarity with regard to the meaning of the \'5-a-day\' message, including what foods are included in the guideline, as well as what constitutes a portion of FV. There was also a sense of confusion surrounding the concept of achieving variety with regard to FV intake. The sample highlighted a lack of previous education on FV portion sizes and put forward suggestions for improving knowledge, including increased information on food packaging and through health campaigns. Questionnaire findings were generally congruent with the qualitative findings, showing high awareness of the \'5-a-day\' message but a lack of knowledge surrounding FV portion sizes.
    Future public health campaigns should consider how best to address the gaps in knowledge identified in the present study, and incorporate evaluations that will allow the impact of future initiatives on knowledge, and ultimately behaviour, to be investigated.
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  • 文章类型: Journal Article
    Food-based dietary guidelines shift the focus from single nutrients to whole diet. Guideline 3 of the Australian Dietary Guidelines (ADG) recommends \"limiting\" discretionary foods and beverages (DF)-Those high in saturated fat, added sugars, salt, and/or alcohol. In Australia, DF contribute 35% of total energy intake. Using the ADG supporting documents, the aim of this study was to develop a food‑based educational toolkit to help translate guideline 3 and interpret portion size. The methodology used to produce the toolkit is presented here. \"Additional energy allowance\" is specific to gender, age, height and physical activity level, and can be met from core foods, unsaturated fats/oils/spreads and/or DF. To develop the toolkit, additional energy allowance was converted to serves equaling 600 kJ. Common DF were selected and serves were determined based on nutrient profile. Portion sizes were used to calculate number of DF serves. A consumer brochure consisting of DF, portion sizes and equivalent number of DF serves was developed. A healthcare professional guide outlines the methodology used. The toolkit was designed to assist dietitians and consumers to translate guideline 3 of the ADF and develop a personalized approach to include DF as part of the diet.
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