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Raguindin PF, Adam Itodo O, Stoyanov J, Dejanovic GM, Gamba M, Asllanaj E, Minder B, Bussler W, Metzger B, Muka T, Glisic M, Kern H. A systematic review of phytochemicals in oat and buckwheat. Food Chem 2020; 338:127982. [PMID: 32950005 DOI: 10.1016/j.foodchem.2020.127982] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/22/2020] [Accepted: 08/30/2020] [Indexed: 12/29/2022]
Abstract
Consumption of oat and buckwheat have been associated with various health benefits that may be attributed to their nutritional composition. We performed a systematic review to evaluate the profile and quantity of bioactive compounds present in oat and buckwheat. Among 154 studies included in final analysis, 113 and 178 bioactive compounds were reported in oat and buckwheat, respectively. Total phytosterols, tocols, flavonoids and rutin content were generally higher in buckwheat, β-glucans were significantly higher in oat, while avenanthramides and saponins were characteristically present in oat. The majority of studies included in current review were published before 2010s. The heterogeneous methodological procedures used across the studies precluded our possibility to meta-analyse the evidence and raises the need for harmonization of separation and extraction methods in future studies. Our findings should further stimulate the exploration of metabolites related to identified phytochemicals and their roles in human health.
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Affiliation(s)
- Peter Francis Raguindin
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland; Swiss Paraplegic Research, Nottwil, Switzerland
| | - Oche Adam Itodo
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland; Swiss Paraplegic Research, Nottwil, Switzerland
| | | | - Gordana M Dejanovic
- Department of Ophthalmology, University of Novi Sad, Faculty of Medicine, Hajduk Veljkova 1-3, 21000 Novi Sad, Serbia
| | - Magda Gamba
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
| | - Eralda Asllanaj
- Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Beatrice Minder
- Public Health & Primary Care Library, University Library of Bern, University of Bern, Bern, Switzerland
| | - Weston Bussler
- Standard Process Nutrition Innovation Center, Kannapolis, NC 28018, USA
| | - Brandon Metzger
- Standard Process Nutrition Innovation Center, Kannapolis, NC 28018, USA
| | - Taulant Muka
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland
| | - Marija Glisic
- Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland; Swiss Paraplegic Research, Nottwil, Switzerland.
| | - Hua Kern
- Standard Process Nutrition Innovation Center, Kannapolis, NC 28018, USA
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