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GNPS - Study of food from Brazil: foodomics Brazil

ABSTRACT: Metabolomic study of foods commonly used in Brazil using mass spectrometry and molecular networking

INSTRUMENT(S): micrOTOF-Q II

ORGANISM(S): Vegetable

SUBMITTER: Norberto Peporine Lopes

PROVIDER: MSV000085537 | GNPS | Tue Jun 02 08:02:00 BST 2020

REPOSITORIES: GNPS

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Project description:Interventions: Participants will take 6 brazil nuts a day for four weeks. This four week intervention will be preceded by a 4 week run-in / wash out phase participants will be advised to exclude any selenium rich foods or green tea during the study This Pilot study will confirm the amount of Brazil Nuts we will use in the study comparing with green tea. This follow up study (Effects of combining Selenium (Se) and green tea on biomarkers for colorectal cancer prevention in human subjects). will be registered with ANZCTR in the near future’ At the initial interview dietary advice will be given. This will give an understanding of the nature of the volunteers diet and the likely influence of Se to the diet and suitability to become involved in the study (if intolerant to nuts volunteers will not participate in the study) We will ask participants not to consume, whenever possible, throughout the study:- Any selenium supplement Any selenium enriched foods, such as nuts, sea food (such as tuna or octopus) The Brazil nut is a large nut that comes from the castanheiro de para tree in Brazil’s rainforests. Each serving of about six to eight nuts contains 4 g of protein and 7 grams each of monosaturated and polysaturated fat. Brazil nuts (Berholletia excelas, family Lecythidaceae) are the richest known food source of selenium, with mean concentrations reported in the literature between 8-83 micrograms Se/g 6 Brazil nuts daily provides 48 micrograms Se/day - 53 micrograms Se/day Primary outcome(s): If supplementation of 6 Brazil nuts/day increases plasma Selenium (Se) levels A blood sample (5mls of whole blood taken on 2 occasions) will be collected at baseline and after intervention, testing for plasma Selenium levels[Blood samples collected at commencement of intervention (week 0) and at end of intervention (wk 4)] Study Design: Purpose: Prevention; Allocation: Non-randomised trial; Masking: Open (masking not used);Assignment: Single group;Type of endpoint: Safety

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GNPS - Study of food from Brazil: foodomics Brazil

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