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- Title
Influence of selenium bio-fortification on nutritional compositions, bioactive compounds content and anti-oxidative properties of young ricegrass (Oryza sativa L.).
- Authors
Rattanamanee Chomchan; Sunisa Siripongvutikorn; Panupong Puttarak; Rungtip Rattanapon
- Abstract
Background: Young ricegrass (Oryza sativa L.) can be introduced as a functional food product, as sprouts have gained significant interest in recent times due to their high nutritional values. Biofortification of selenium is one strategy to enhance plant bioactivity. However, the level of selenium used varies among species of plants. Thus, the proper level needs to be explored. Objective: To investigate the influence of selenium bio-fortification on nutritional compositions, bioactive compounds content, and anti-oxidative properties of young ricegrass. Methods: Sodium selenite ranging 0, 10, 20, 30, and 40 mg Se/L has been hydroponically biofortified into ricegrass, grown for 8 days, and then investigated for changes of growth characteristics, selenium content, accumulation of bioactive compounds, and anti-oxidative properties. Results: Results revealed that selenium bio-fortified exogenously increased the accumulation of selenium in ricegrass by 529% at 40 mg Se/L treatment without negative changes in the leaves' biomass at the day they were harvested. However, the root part weight slightly decreased when the selenium level increased. Selenium at concentration of 10 and 20 mg Se/L can stimulate the production of phenolic compounds and antioxidant activities in young ricegrass as measured by DPPH, ABTS, FRAP, and chelating assay. Conversely, the higher level of selenium fortification reducing the accumulation of phenolics in ricegrass may due to pro-oxidant expression. Conclusion: Selenium bio-fortification can be used as a useful technique to improve quality of ricegrass plantation. 10 mg Se/L treatment was an ideal to trigger the synthesis of phenolics which exhibited high antioxidant activities. However, 40 mg Se/L treatment was the most effective for the production of Se plant foods.
- Subjects
SELENIUM; BIOFORTIFICATION; BIOACTIVE compounds; ANTIOXIDANTS; RICEGRASSES
- Publication
Functional Foods in Health & Disease, 2017, Vol 7, Issue 3, p195
- ISSN
2378-7007
- Publication type
Article
- DOI
10.31989/ffhd.v7i3.321