Abstract
Background: Plum fruits constitute a good source of natural antioxidant substances.Particularly, plums contain large amounts of phenolic compounds and flavonoids that have natural antioxidant activity which is useful to human health.The study aimed to evaluate the effects of foliar sprays with salicylic acid (SA), putrescine (PUT) and moringa leaf extract (MLE) on the fruit quality attributes and bioactive compounds of 'Golden Japan' plums under cold storage conditions.Plum trees were sprayed twice; at fruit set stage and one month later during seasons 2018 and 2019 by combinations from SA (3 and 4 mmol/L), PUT (3 and 4 mmol/L) and MLE (5 and 10%), as well as distilled water (control).Fruits were harvested at maturity stage and stored at 0C with relative humidity 85-90% for eight weeks.Results: With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).Statistically significant differences were observed between different treatments in maintenance on all measured parameters when compared to control.At the same time, a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.Conclusion: It was concluded that preharvest treatment of plum fruits with salicylic acid, putrescine and moringa leaf extract was effective in delaying the ripening processes and can be used commercially to extend the storage life of postharvest plum fruits with acceptable fruit quality.anese plums have short postharvest life depending upon the cultivar and supply-chain conditions.The low-temperature storage at 0 C is recommended for 1Fruit Handling Res.
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Claims 18
Claim · model-written summary
fruit weight loss increased with storage duration.
- Taxon
- Plum
Prunus domesticat0e0 - Outcome
- fruit weight losse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
total soluble solids (TSS) increased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- total soluble solids (TSS)e0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
total carotenoids content (TCC) increased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- total carotenoids content (TCC)e0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
total phenolics content (TPC) increased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- total phenolics content (TPC)e0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
fruit firmness decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- fruit firmnesse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
lightness (L*) decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- lightness (L*)e0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
hue angle (h) of colour decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- hue angle (h) of coloure0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
titratable acidity (TA) decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- titratable acidity (TA)e0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
total flavonoids content (TFC) decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- total flavonoids content (TFC)e0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
antioxidant activity (AA) decreased with storage duration.
- Taxon
- PlumPrunus domesticat0e0
- Outcome
- antioxidant activity (AA)e0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“With advance storage period, fruit weight loss, total soluble solids (TSS), total carotenoids content (TCC) and total phenolics content (TPC) increased significantly while the fruit firmness, lightness (L*), hue angle (h) of colour, titratable acidity (TA), total flavonoids content (TFC) and antioxidant activity (AA) decreased significantly (P < 0.05).”
Claim · model-written summary
The combined treatment decreased plum fruit weight loss more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- weight losse0
- Direction
- decreasinge0
- Comparator
- other treatmentse0
- Setting
- storage at 0 Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment decreased plum fruit softening more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- softeninge0
- Direction
- decreasinge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment maintained plum fruit titratable acidity more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- titratable aciditye0
- Direction
- maintaininge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment maintained plum fruit total carotenoids more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- total carotenoidse0
- Direction
- maintaininge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment maintained plum fruit total phenolics more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- total phenolicse0
- Direction
- maintaininge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment maintained plum fruit total flavonoids more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- total flavonoidse0
- Direction
- maintaininge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The combined treatment maintained plum fruit antioxidant activity more effectively than other treatments.
- Taxon
- PlumPrunus domesticat0e0
- Treatment
- a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatmente0
- Outcome
- antioxidant activitye0
- Direction
- maintaininge0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“a combined SA at 3mmol/ L, PUT at 4 3mmol/ L and MLE at 10% treatment was found to be more effective than other treatments in decreasing the weight loss, softening and maintaining titratable acidity, total carotenoids, total phenolics, total flavonoids and antioxidant activity in plum fruits during storage at 0 C.”
Claim · model-written summary
The authors conclude that preharvest treatment can extend postharvest plum storage life while retaining acceptable quality.
- Taxon
- plumPrunus domesticat0e0
- Treatment
- salicylic acid, putrescine and moringa leaf extracte0
- Outcome
- extend the storage life of postharvest plum fruits with acceptable fruit qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“plum”
e0“preharvest treatment of plum fruits with salicylic acid, putrescine and moringa leaf extract was effective in delaying the ripening processes and can be used commercially to extend the storage life of postharvest plum fruits with acceptable fruit quality”
The same questions in other papers
putrescine · quality: postharvest · Prunus domestica (plum)Results agree
1 paper in the same direction as this paper
- positive
putrescine · quality: sugar starch · Prunus domestica (plum)Results agree
1 paper in the same direction as this paper
- positive
salicylic acid · physiology: pigments · Prunus domestica (plum)Results agree
1 paper in the same direction as this paper
- positive
salicylic acid · quality: sugar starch · Prunus domestica (plum)Results agree
2 papers in the same direction as this paper
- positive
- positive
salicylic acid · quality: phytochemicals · Prunus domestica (plum)Results agree
2 papers in the same direction as this paper
- positive
- positive
salicylic acid · quality: postharvest · Prunus domestica (plum)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →botanical · quality: sugar starch · Prunus domestica (plum)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
botanical · quality: postharvest · Prunus domestica (plum)Results agree
2 papers in the same direction as this paper
- positive
- positive
8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.