Dietary phytochemical intake from foods and health outcomes: a systematic review protocol and preliminary scoping

摘要: Introduction Dietary phytochemicals are found in plant-based foods such as fruits, vegetables and grains may be categorised a nested hierarchical manner with many hundred individual identified to date. To associate phytochemical intakes positive health outcomes, fundamental step is accurately estimate the dietary intake from reported. The purpose of this systematic review protocol describe process undertaken summarise evidence for food-based outcomes adults. Methods analysis will following PRISMA guidelines Cochrane Handbook Systematic Reviews Interventions using Review Manager software. Phytochemical subclasses (phenolic acids, flavanols, etc) used search relevant studies Web Science Scopus scientific databases. retrieved screened based on inclusion natural whole food items outcomes. related cardiovascular disease, cancer, overweight, glucose tolerance, digestive, reproductive, macular bone mental disorders, fatigue immunity examined prior scoping. aggregated by types Comparison differences randomised controlled trials observational undertaken. strength lies its focus conditions rather than one type single condition. Subgroup sensitivity analyses conducted where an adequate number publications per subclass. Dissemination By comparing experimental studies, determine whether overall conclusions same between study conditions. This useful public policymakers professionals alike. Trial registration #CRD42014015610.