Abstract
Nitrogen controlled atmosphere (N-CA) was widely used to keep grains from pest infestation. However, there was few studies on the grain quality changes during re-aeration after N-CA storage, i.e. N2-re-aeration storage (NRAS). In this paper, quality changes of two varieties of rice (Oryza sativa L.) during NRAS was investigated. Moreover, a non-targeted metabolomics approach was employed to reveal the mechanisms of rice quality changes after NRAS. Compared with rice in conventional storage (CS), fatty acid values (FAVs) and malondialdehyde (MDA) contents of rice showed slower increase rates in NRAS before re-aeration (0–60 days), while displayed faster increase rates after reaeration (60–150 days). And NRAS had no obvious effect on pasting and texture properties of rice. Additionally, metabolisms that are sensitive to changes in storage atmosphere are screened out, such as glycine, 4-aminobutyric acid, gluconic acid, sorbitol, γ-linolenic acid and stearidonic acid. This work provided a new insight into the mechanisms of rice quality changes after NRAS and helped reserve corporation develop storage policy for rice storage.
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Claims 5
Claim · model-written summary
Before re-aeration (0-60 days), fatty acid values and malondialdehyde contents of rice increased more slowly in N2-re-aeration storage than in conventional storage.
- Taxon
- rice
Oryza sativae0 - Treatment
- NRASe0
- Outcome
- fatty acid values (FAVs) and malondialdehyde (MDA) contentse0
- Direction
- slower increase ratese0
- Qualifier
- before re-aeration (0–60 days)e0
- Comparator
- conventional storage (CS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with rice in conventional storage (CS), fatty acid values (FAVs) and malondialdehyde (MDA) contents of rice showed slower increase rates in NRAS before re-aeration (0–60 days), while displayed faster increase rates after reaeration (60–150 days)”
Claim · model-written summary
After re-aeration (60-150 days), fatty acid values and malondialdehyde contents of rice increased faster in N2-re-aeration storage than in conventional storage.
- Taxon
- riceOryza sativae0
- Treatment
- NRASe0
- Outcome
- fatty acid values (FAVs) and malondialdehyde (MDA) contentse0
- Direction
- faster increase ratese0
- Qualifier
- after reaeration (60–150 days)e0
- Comparator
- conventional storage (CS)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with rice in conventional storage (CS), fatty acid values (FAVs) and malondialdehyde (MDA) contents of rice showed slower increase rates in NRAS before re-aeration (0–60 days), while displayed faster increase rates after reaeration (60–150 days)”
Claim · model-written summary
N2-re-aeration storage had no obvious effect on the pasting and texture properties of rice.
- Taxon
- riceOryza sativae0
- Treatment
- NRASe0
- Outcome
- pasting and texture propertiese0
- Direction
- no obvious effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NRAS had no obvious effect on pasting and texture properties of rice”
Claim · model-written summary
Glycine, 4-aminobutyric acid and gluconic acid were screened out as metabolites sensitive to changes in storage atmosphere in rice.
- Taxon
- riceOryza sativat0
- Outcome
- glycine, 4-aminobutyric acid, gluconic acide0
- Qualifier
- sensitive to changes in storage atmospheree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“metabolisms that are sensitive to changes in storage atmosphere are screened out, such as glycine, 4-aminobutyric acid, gluconic acid, sorbitol, γ-linolenic acid and stearidonic acid”
t0“rice deterioration”
Claim · model-written summary
Sorbitol, gamma-linolenic acid and stearidonic acid were screened out as metabolites sensitive to changes in storage atmosphere in rice.
- Taxon
- riceOryza sativat0
- Outcome
- sorbitol, γ-linolenic acid and stearidonic acide0
- Qualifier
- sensitive to changes in storage atmospheree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“metabolisms that are sensitive to changes in storage atmosphere are screened out, such as glycine, 4-aminobutyric acid, gluconic acid, sorbitol, γ-linolenic acid and stearidonic acid”
t0“rice deterioration”
The same questions in other papers
storage · quality: oil · Oryza sativa (rice)Positive and negative results
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- no effect
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See all 10 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.