Abstract
The effect of nitrogen-modified atmosphere storage (NS) on peanut lipid oxidation was investigated in this paper. Non-targeted lipidomics was employed to detect the lipid metabolites in peanuts with the aim of exploring the mechanism of lipid oxidation in peanuts under different storage conditions. The results showed that compared with conventional storage (CS), NS significantly (p < 0.05) delayed the increase in acid value, carbonyl value, and 2-thiobarbituric acid value and the decrease in vitamin E content. However, the storage time has a much greater effect on lipid oxidation than the oxygen level in the storage environment. Lipidomics analysis revealed that there were significant differences in metabolite changes between CS and NS. NS reduced the decline of most glycerophospholipids by regulating lipid metabolism in peanuts. NS maintained higher levels of Diacylglycerol (DAG), sulfoquinovosyl diacylglycerol (SQDG), lysophophatidylcholine (LPC), lysophosphatidylethanolamine (LPE) and phosphatidylinositol (PI) compared to CS. This work provided a basis for the application of NS technology to peanut storage.
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Claims 7
Claim · model-written summary
Nitrogen-modified atmosphere storage significantly delayed the increase in acid value, carbonyl value and 2-thiobarbituric acid value of peanuts compared with conventional storage.
- Taxon
- Peanuts
Arachis hypogaeat0 - Treatment
- NSe1
- Outcome
- acid value, carbonyl value, and 2-thiobarbituric acid valuee1
- Direction
- delayede1
- Comparator
- conventional storagee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“compared with conventional storage (CS), NS significantly (p < 0.05) delayed the increase in acid value, carbonyl value, and 2-thiobarbituric acid value and the decrease in vitamin E content”
t0“Peanuts”
Claim · model-written summary
Nitrogen-modified atmosphere storage delayed the decrease in vitamin E content of peanuts compared with conventional storage.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- NSe1
- Outcome
- vitamin E contente1
- Direction
- delayede1
- Comparator
- conventional storagee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“compared with conventional storage (CS), NS significantly (p < 0.05) delayed the increase in acid value, carbonyl value, and 2-thiobarbituric acid value and the decrease in vitamin E content”
t0“Peanuts”
Claim · model-written summary
Storage time had a much greater effect on lipid oxidation of peanuts than the oxygen level.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- storage timee2
- Outcome
- lipid oxidatione2
- Comparator
- oxygen levele2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“However, the storage time has a much greater effect on lipid oxidation than the oxygen level in the storage environment”
t0“Peanuts”
Claim · model-written summary
NS reduced the decline of most glycerophospholipids in peanuts by regulating lipid metabolism.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- NSe3
- Outcome
- decline of most glycerophospholipidse3
- Direction
- reducede3
- Qualifier
- by regulating lipid metabolisme3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“NS reduced the decline of most glycerophospholipids by regulating lipid metabolism in peanuts”
t0“Peanuts”
Claim · model-written summary
NS maintained higher levels of DAG, SQDG and LPC in peanuts compared with CS.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- NSe4
- Outcome
- Diacylglycerol (DAG), sulfoquinovosyl diacylglycerol (SQDG), lysophophatidylcholine (LPC)e4
- Direction
- highere4
- Comparator
- CSe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“NS maintained higher levels of Diacylglycerol (DAG), sulfoquinovosyl diacylglycerol (SQDG), lysophophatidylcholine (LPC), lysophosphatidylethanolamine (LPE) and phosphatidylinositol (PI) compared to CS”
t0“Peanuts”
Claim · model-written summary
NS maintained higher levels of LPE and PI in peanuts compared with CS.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- NSe4
- Outcome
- lysophosphatidylethanolamine (LPE) and phosphatidylinositol (PI)e4
- Direction
- highere4
- Comparator
- CSe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“NS maintained higher levels of Diacylglycerol (DAG), sulfoquinovosyl diacylglycerol (SQDG), lysophophatidylcholine (LPC), lysophosphatidylethanolamine (LPE) and phosphatidylinositol (PI) compared to CS”
t0“Peanuts”
Claim · model-written summary
Lipidomics showed significant differences in metabolite changes between NS and CS in peanuts.
- Taxon
- PeanutsArachis hypogaeat0
- Treatment
- NSe5
- Outcome
- metabolite changese5
- Comparator
- CSe5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“there were significant differences in metabolite changes between CS and NS”
t0“Peanuts”
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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.