Abstract
The purpose of this study was to examine the effect of harvest time (November or January) and postharvest treatments (hot water (50°C), H2O2 (1%), NaOCl (175 ppm)) and nonwashed-control of carrots (Daucus carrota L. cv. ‘Maestro F1’) on the changes in nutrient composition and texture under different storage conditions (S-1: 0°C, 98% RH; S-2: 0–2°C, 85–92% RH). Weight loss and quality changes in carrot roots were evaluated after 120 and 180 days of storage period (SP). After SP weight loss ranged from 3.20% (carrots from the first harvest in S-1 with H2O2 treatment) to 34.51% (carrots from the first harvest in S-2 with hot water treatment). Dry matter (DM) content in carrot roots varied in dependence of the harvest time (9.57–12.22%) and increased after the SP exept in carrot from first harvest with hot water and H2O2 treatments in S-1. Total sugar content (TSC) increased after SP, more in S-2 cooling room. Vitamin C content in carrot roots decreased more in S-2 (20.7–52.3%) in comparison to S-1 storage conditions (2.0–18.2%). The hardnessand flexibility of carrot roots increased after SP for all treatments. Prestorage washing treatments (H2O2 or NaOCl) and storage in S-1 storage regime at temperature (0°C) with a high relative humidity 98% maintained quality of carrot root.
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Claims 8
Claim · model-written summary
Stored carrot root weight loss ranged from 3.20% under first harvest, S-1 and H2O2 treatment to 34.51% under first harvest, S-2 and hot water treatment.
- Taxon
- CARROT
Daucus carotat0 - Outcome
- weight losse0
- Direction
- rangede0
- Value
- 3.20%e0
- Qualifier
- first harvest in S-1 with H2O2 treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After SP weight loss ranged from 3.20% (carrots from the first harvest in S-1 with H2O2 treatment) to 34.51% (carrots from the first harvest in S-2 with hot water treatment)”
t0“CARROT”
Claim · model-written summary
First-harvest carrots in S-2 with hot water treatment had 34.51% weight loss.
- Taxon
- CARROTDaucus carotat0
- Outcome
- weight losse0
- Value
- 34.51%e0
- Qualifier
- first harvest in S-2 with hot water treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After SP weight loss ranged from 3.20% (carrots from the first harvest in S-1 with H2O2 treatment) to 34.51% (carrots from the first harvest in S-2 with hot water treatment)”
t0“CARROT”
Claim · model-written summary
Carrot dry matter content varied with harvest time from 9.57 to 12.22%.
- Taxon
- CARROTDaucus carotat0
- Organ / stage
- carrot rootse0
- Treatment
- harvest timee0
- Outcome
- Dry matter (DM) contente0
- Value
- 9.57–12.22%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry matter (DM) content in carrot roots varied in dependence of the harvest time (9.57–12.22%)”
t0“CARROT”
Claim · model-written summary
Carrot dry matter content increased after storage except under specified first-harvest S-1 treatments.
- Taxon
- CARROTDaucus carotat0
- Treatment
- SPe0
- Outcome
- Dry matter (DM) contente0
- Direction
- increasede0
- Qualifier
- exept in carrot from first harvest with hot water and H2O2 treatments in S-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dry matter (DM) content in carrot roots varied in dependence of the harvest time (9.57–12.22%) and increased after the SP exept in carrot from first harvest with hot water and H2O2 treatments in S-1”
t0“CARROT”
Claim · model-written summary
Total sugar content increased after storage, more in S-2.
- Taxon
- CARROTDaucus carotat0
- Treatment
- SPe0
- Outcome
- Total sugar content (TSC)e0
- Direction
- increasede0
- Qualifier
- more in S-2 cooling roome0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total sugar content (TSC) increased after SP, more in S-2 cooling room”
t0“CARROT”
Claim · model-written summary
Vitamin C content decreased by 20.7–52.3% in S-2.
- Taxon
- CARROTDaucus carotat0
- Treatment
- S-2e0
- Outcome
- Vitamin C contente0
- Direction
- decreasede0
- Value
- 20.7–52.3%e0
- Qualifier
- 2.0–18.2%e0
- Comparator
- S-1 storage conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vitamin C content in carrot roots decreased more in S-2 (20.7–52.3%) in comparison to S-1 storage conditions (2.0–18.2%)”
t0“CARROT”
Claim · model-written summary
Carrot root hardness and flexibility increased after storage under all treatments.
- Taxon
- CARROTDaucus carotat0
- Treatment
- SPe0
- Outcome
- hardnessand flexibilitye0
- Direction
- increasede0
- Qualifier
- all treatmentse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The hardnessand flexibility of carrot roots increased after SP for all treatments”
t0“CARROT”
Claim · model-written summary
H2O2 or NaOCl washing and S-1 storage maintained carrot root quality.
- Taxon
- CARROTDaucus carotat0
- Treatment
- Prestorage washing treatments (H2O2 or NaOCl) and storage in S-1 storage regimee0
- Outcome
- quality of carrot roote0
- Direction
- maintainede0
- Qualifier
- temperature (0°C) with a high relative humidity 98%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Prestorage washing treatments (H2O2 or NaOCl) and storage in S-1 storage regime at temperature (0°C) with a high relative humidity 98% maintained quality of carrot root”
t0“CARROT”
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