Abstract
This study examined the impact of chitosan, gum tragacanth, aloe vera, and oxalic acid coatings on guava fruit storage.A comprehensive assessment was carried out on loss in weight, firmness, ascorbic acid concentration, total soluble solids (TSS) content, polygalacturonase (PG) activity, and overall acceptability over a 9 days storage period.Results demonstrated that all applied edible coatings significantly boosted shelf life to 9 days, and effectively mitigated weight loss compared to the control treatment.Notably, chitosan coatings at 1% and 2% concentrations exhibited the lowest physiological loss in weight (PLW), indicating their proficient moisture retention during storage.Moreover, chitosan-treated fruits displayed enhanced firmness, surpassing the control.Concerning ascorbic acid content, chitosan coatings at both concentrations effectively maintained elevated levels of this vital antioxidant relative to other coatings and the control.Nonetheless, gum tragacanth and aloe vera coatings also elicited favorable outcomes regarding overall acceptability ratings.Total soluble solids (TSS) remained relatively stable among treatments, exhibiting negligible variance.Noteworthy, chitosan coatings failed to significantly influence TSS values.Furthermore, all coated fruits showcased reduced polygalacturonase activity, signifying suppression of pectin degradation and fruit softening.Chitosan coatings consistently yielded the lowest PG activity, indicating their potential in preserving fruit texture and inhibiting decay.Overall, the application of edible coatings, particularly chitosan, gum tragacanth, and aloe vera, exhibited promising implications for enhancing the storage quality of guava fruits.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 11
Claim · model-written summary
All applied edible coatings significantly boosted guava shelf life to 9 days.
- Taxon
- guava
Psidium guajavat0 - Treatment
- all applied edible coatingse1
- Outcome
- shelf lifee1
- Direction
- boostede1
- Value
- 9 dayse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e1“all applied edible coatings significantly boosted shelf life to 9 days”
Claim · model-written summary
All edible coatings effectively mitigated guava weight loss compared with the control.
- Taxon
- guavaPsidium guajavat0
- Treatment
- all applied edible coatingse1
- Outcome
- weight losse2
- Direction
- mitigatede2
- Comparator
- control treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e1“all applied edible coatings significantly boosted shelf life to 9 days”
e2“effectively mitigated weight loss compared to the control treatment”
Claim · model-written summary
Chitosan coatings at 1% and 2% concentrations gave the lowest physiological loss in weight of guava.
- Taxon
- guavaPsidium guajavat0
- Treatment
- chitosan coatings at 1% and 2% concentrationse3
- Outcome
- physiological loss in weight (PLW)e3
- Direction
- loweste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e3“chitosan coatings at 1% and 2% concentrations exhibited the lowest physiological loss in weight (PLW)”
Claim · model-written summary
Chitosan-treated guava fruits had enhanced firmness, surpassing the control.
- Taxon
- guavaPsidium guajavat0
- Treatment
- chitosan-treated fruitse4
- Outcome
- firmnesse4
- Direction
- enhancede4
- Comparator
- the controle4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e4“chitosan-treated fruits displayed enhanced firmness, surpassing the control”
Claim · model-written summary
Chitosan coatings at both concentrations maintained elevated ascorbic acid content relative to other coatings and the control.
- Taxon
- guavaPsidium guajavat0
- Treatment
- chitosan coatings at both concentrationse5
- Outcome
- ascorbic acid contente5
- Direction
- maintained elevated levelse5
- Comparator
- other coatings and the controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e5“Concerning ascorbic acid content, chitosan coatings at both concentrations effectively maintained elevated levels of this vital antioxidant relative to other coatings and the control”
Claim · model-written summary
Gum tragacanth and aloe vera coatings gave favorable overall acceptability ratings for guava.
- Taxon
- guavaPsidium guajavat0
- Treatment
- gum tragacanth and aloe vera coatingse6
- Outcome
- overall acceptability ratingse6
- Direction
- favorablee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e6“gum tragacanth and aloe vera coatings also elicited favorable outcomes regarding overall acceptability ratings”
Claim · model-written summary
Total soluble solids remained relatively stable among the coating treatments, with negligible variance.
- Taxon
- guavaPsidium guajavat0
- Treatment
- treatmentse7
- Outcome
- Total soluble solids (TSS)e7
- Direction
- remained relatively stablee7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e7“Total soluble solids (TSS) remained relatively stable among treatments”
Claim · model-written summary
Chitosan coatings did not significantly influence TSS values of guava.
- Taxon
- guavaPsidium guajavat0
- Treatment
- chitosan coatingse0
- Outcome
- TSS valuese0
- Direction
- failed to significantly influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e0“chitosan coatings failed to significantly influence TSS values”
Claim · model-written summary
All coated guava fruits had reduced polygalacturonase activity.
- Taxon
- guavaPsidium guajavat0
- Treatment
- all coated fruitse0
- Outcome
- polygalacturonase activitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e0“all coated fruits showcased reduced polygalacturonase activity”
Claim · model-written summary
Chitosan coatings gave the lowest polygalacturonase activity in guava.
- Taxon
- guavaPsidium guajavat0
- Treatment
- Chitosan coatingse0
- Outcome
- PG activitye0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e0“Chitosan coatings consistently yielded the lowest PG activity”
Claim · model-written summary
Edible coatings, particularly chitosan, gum tragacanth and aloe vera, show promise for enhancing the storage quality of guava fruit.
- Taxon
- guavaPsidium guajavat0
- Outcome
- storage quality of guava fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“shelf life of guava (Psidium guajava L.) fruits”
e0“the application of edible coatings, particularly chitosan, gum tragacanth, and aloe vera, exhibited promising implications for enhancing the storage quality of guava fruits”
The same questions in other papers
chitosan · quality: sugar starch · Psidium guajava (guava)Positive and negative results
1 paper in the same direction as this paper · 10 in the opposite direction
- positive
- positive
- positive
8 papers more in this group
See all 12 papers →Aloe vera · quality: general · Psidium guajava (guava)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →chitosan · quality: phytochemicals · Psidium guajava (guava)Results agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →chitosan · quality: postharvest · Psidium guajava (guava)Results agree
19 papers in the same direction as this paper
- positive
- positive
- positive
16 papers more in this group
See all 20 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.