Paper · 2017 · Emirates Journal of Food and Agriculture

Postharvest Quality Maintenance of Longan Fruit by Ultra Violet-C Incorporated with Salicylic Acid Application

Sonthaya Suiubon; Suriyan Supapvanich; Surassawadee Promyou

6
claims
13
verbatim quotes
18
citations
1
research areas
✓
Open access · cc-by

Abstract

The purpose of this study was to investigate the effects of salicylic acid (SA) dips incorporated with ultra violet-C (UVC) irradiation on postharvest quality of longan fruit cv. 'Dor' during refrigerated storage at 10°C. The longan fruit were dipped in SA solution at the concentration of 0, 1.0, 2.0 and 3.0 mM before irradiated with 6.6 kJ m-2 UVC. Physicochemical quality attributes including peel colour, taste attributes, fruit decay, sensorial qualities and bioactive compounds were monitored. SA dips incorporated with the UVC irradiation maintained the outer peel lightness (L*), total ascorbic acid (TAA) content and crispness score of flesh as well as lowered colour difference (∆E*) value of outer peel and the reduction total antioxidant capacity (TAC) of the flesh during storage. All treatments did not affect the fruit taste attributes including total soluble solids (TSS), total acidity (TA) and TSS/TA ratio. The fruit dipped with 2.0 and 3.0 mM SA incorporated with the UVC irradiation effectively delayed the fruit decay as well as inhibited off-flavour. The fruit dipped with 2.0 mM SA incorporated with UVC irradiation showed the highest acceptability score and also enhanced the activity of antioxidant enzymes such as ascorbic acid peroxidase (APX), superoxide dismutase (SOD) and catalase (CAT).

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SA dips with UVC irradiation maintained outer peel lightness, total ascorbic acid content and flesh crispness of longan during refrigerated storage.

Organ / stage
fruite1
Treatment
SA dips incorporated with the UVC irradiatione2
Outcome
outer peel lightness (L*), total ascorbic acid (TAA) content and crispness score of fleshe2
Direction
maintainede2
Setting
refrigerated storage at 10°Ce1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“SA dips incorporated with the UVC irradiation maintained the outer peel lightness (L*), total ascorbic acid (TAA) content and crispness score of flesh as well as lowered colour difference (∆E*) value of outer peel and the reduction total antioxidant capacity (TAC) of the flesh during storage”

✓ located verbatim in the source · abstract, characters 501–793 · show in text ↑
e1

“The purpose of this study was to investigate the effects of salicylic acid (SA) dips incorporated with ultra violet-C (UVC) irradiation on postharvest quality of longan fruit cv. 'Dor' during refrigerated storage at 10°C”

✓ located verbatim in the source · abstract, characters 0–220 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SA dips with UVC irradiation lowered the colour difference (∆E*) of longan outer peel.

Treatment
SA dips incorporated with the UVC irradiatione2
Outcome
colour difference (∆E*) value of outer peele2
Direction
lowerede2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“SA dips incorporated with the UVC irradiation maintained the outer peel lightness (L*), total ascorbic acid (TAA) content and crispness score of flesh as well as lowered colour difference (∆E*) value of outer peel and the reduction total antioxidant capacity (TAC) of the flesh during storage”

✓ located verbatim in the source · abstract, characters 501–793 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SA dips with UVC irradiation limited the storage-related reduction of flesh total antioxidant capacity in longan.

Treatment
SA dips incorporated with the UVC irradiatione2
Outcome
total antioxidant capacity (TAC) of the fleshe2
Direction
reductione2
Qualifier
during storagee2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“SA dips incorporated with the UVC irradiation maintained the outer peel lightness (L*), total ascorbic acid (TAA) content and crispness score of flesh as well as lowered colour difference (∆E*) value of outer peel and the reduction total antioxidant capacity (TAC) of the flesh during storage”

✓ located verbatim in the source · abstract, characters 501–793 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Longan fruit dipped in 2.0 mM SA with UVC irradiation had the highest acceptability score.

Treatment
2.0 mM SA incorporated with UVC irradiatione5
Outcome
acceptability scoree5
Direction
higheste5

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruit dipped with 2.0 mM SA incorporated with UVC irradiation showed the highest acceptability score and also enhanced the activity of antioxidant enzymes such as ascorbic acid peroxidase (APX), superoxide dismutase (SOD) and catalase (CAT)”

✓ located verbatim in the source · abstract, characters 1075–1319 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Longan fruit dipped in 2.0 mM SA with UVC irradiation had enhanced activity of antioxidant enzymes.

Treatment
2.0 mM SA incorporated with UVC irradiatione5
Gene
ascorbic acid peroxidase (APX), superoxide dismutase (SOD) and catalase (CAT)e5
Outcome
activity of antioxidant enzymese5
Direction
enhancede5

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e5

“The fruit dipped with 2.0 mM SA incorporated with UVC irradiation showed the highest acceptability score and also enhanced the activity of antioxidant enzymes such as ascorbic acid peroxidase (APX), superoxide dismutase (SOD) and catalase (CAT)”

✓ located verbatim in the source · abstract, characters 1075–1319 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

SA with UVC treatments did not change longan total soluble solids, total acidity or TSS/TA ratio.

Treatment
All treatmentse3
Outcome
total soluble solids (TSS), total acidity (TA) and TSS/TA ratioe3
Direction
no_changeinferrede3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Dimocarpus longan
Dimocarpus longan · TaxonBùi Thụy Đào Nguyên · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e3

“All treatments did not affect the fruit taste attributes including total soluble solids (TSS), total acidity (TA) and TSS/TA ratio”

✓ located verbatim in the source · abstract, characters 795–925 · show in text ↑
t0

“Postharvest Quality Maintenance of Longan Fruit”

✓ located verbatim in the source · title, characters 0–47 · show in text ↑

salicylic acid · quality: phytochemicals · Dimocarpus longan (longan)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

salicylic acid · physiology: antioxidant enzymes · Dimocarpus longan (longan)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

uv · physiology: antioxidant enzymes · Dimocarpus longan (longan)Results differ

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this paper · 2 in the opposite direction

  1. no effect
  2. negative
  3. positive
See all 4 papers →

uv · quality: phytochemicals · Dimocarpus longan (longan)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

uv · quality: postharvest · Dimocarpus longan (longan)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 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.