Abstract
In this study, we investigated the postharvest changes in glutamine synthetase (GS; EC 6. 3. 1. 2) activity in relation to ammonia content, respiration rate and pod color changes after harvest of young soybeans (Glycine max Merr of the 'Ajigen' and 'Fuuki' varities) stored at 5 and 20°C for up to 10 days. GS activity slightly increased throughout the experimental period for both storage temperatures and cultivars. Ammonia content increased approximately 2-fold after a 10-day storage. Postharvest ammonia content increased was enhanced with storage. This phenomenon followed the same trend as that for other perishable vegetables, such as broccoli and asparagus. GS activities in these vegetables usually decreased during storage. Thus, the increase in GS activity in soybean implies that GS has a role in protein synthesis. The low-temperature storage of soybeans at 5°C resulted in the retention of good bean pod color and quality because it effectively decreased respiration rate and suppressed ammonia accumulation after harvest.
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Claims 6
Claim · model-written summary
Glutamine synthetase activity in young soybeans slightly increased throughout storage at both temperatures and in both cultivars.
- Taxon
- soybeans
Glycine maxe0 - Material
- 'Ajigen' and 'Fuuki'e0
- Treatment
- storage temperaturese1
- Gene
- GSe1
- Outcome
- GS activitye1
- Direction
- slightly increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“young soybeans (Glycine max Merr of the 'Ajigen' and 'Fuuki' varities)”
e1“GS activity slightly increased throughout the experimental period for both storage temperatures and cultivars”
Claim · model-written summary
Ammonia content in young soybeans increased about 2-fold after 10 days of storage.
- Taxon
- soybeansGlycine maxe0
- Treatment
- 10-day storagee2
- Outcome
- Ammonia contente2
- Direction
- increasede2
- Value
- approximately 2-folde2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“young soybeans (Glycine max Merr of the 'Ajigen' and 'Fuuki' varities)”
e2“Ammonia content increased approximately 2-fold after a 10-day storage”
Claim · model-written summary
Storage of young soybeans at 5°C retained good bean pod color and quality compared with 20°C.
- Taxon
- soybeansGlycine maxe3
- Treatment
- low-temperature storage of soybeans at 5°Ce3
- Outcome
- bean pod color and qualitye3
- Direction
- retentione3
- Comparator
- 20°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stored at 5 and 20°C for up to 10 days”
e3“The low-temperature storage of soybeans at 5°C resulted in the retention of good bean pod color and quality because it effectively decreased respiration rate and suppressed ammonia accumulation after harvest”
Claim · model-written summary
Storage at 5°C decreased respiration rate of young soybeans compared with 20°C.
- Taxon
- soybeansGlycine maxe3
- Treatment
- low-temperature storage of soybeans at 5°Ce3
- Outcome
- respiration ratee3
- Direction
- decreasede3
- Comparator
- 20°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stored at 5 and 20°C for up to 10 days”
e3“The low-temperature storage of soybeans at 5°C resulted in the retention of good bean pod color and quality because it effectively decreased respiration rate and suppressed ammonia accumulation after harvest”
Claim · model-written summary
Storage at 5°C suppressed ammonia accumulation in young soybeans compared with 20°C.
- Taxon
- soybeansGlycine maxe3
- Treatment
- low-temperature storage of soybeans at 5°Ce3
- Outcome
- ammonia accumulatione3
- Direction
- suppressede3
- Comparator
- 20°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stored at 5 and 20°C for up to 10 days”
e3“The low-temperature storage of soybeans at 5°C resulted in the retention of good bean pod color and quality because it effectively decreased respiration rate and suppressed ammonia accumulation after harvest”
Claim · model-written summary
The increase in GS activity in soybean implies that GS has a role in protein synthesis.
- Taxon
- soybeanGlycine maxe4
- Gene
- GSe4
- Outcome
- GS activitye4
- Qualifier
- role in protein synthesise4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“the increase in GS activity in soybean implies that GS has a role in protein synthesis”
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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.