Paper · 2009 · Horticultural Science

Impact of organic fertilizers on total antioxidant capacity in head cabbage

P. Bímová; R. Pokluda

7
claims
15
verbatim quotes
32
citations
2
research areas
✓
Open access · cc-by-nc

Abstract

In recent years, the agri-food sector and consumers have begun to look at food not only for basic nutrition, but also for health benefits. The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer. Commercial brands of alternative, organic fertilizers were compared with conventional, mineral fertilizers in culture of head cabbage. There were seven different treatments: Agormin, Agro, farmyard manure, horticultural compost, DvoreckĂ˝ agroferm, mineral fertilizer, and an unfertilized control. All the treatments assured approximately the same level of nutrients. The level of TAC was measured by the FRAP assay and the effect of storage on TAC was also studied. Average value of TAC in fresh cabbage was 236 ± 60 mg GA/100 g in the year 2005 and 295 ± 27 mg GA/100 g in the year 2006. The TAC value decreased in the course of storage. The average value of TAC after a five-month period of storage was 56 ± 18 mg GA/100 g in the year 2005 and 33 ± 5 mg GA/100 g in the year 2006. This study shows that alternative, organic fertilizers have similar or even better qualities than farmyard manure and that they can contribute to the improvement of nutritional values of vegetable.

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Claims 7

Observationobservedoriginal resultmeasured

Claim · model-written summary

Average TAC of fresh head cabbage was 236 ± 60 mg GA/100 g in 2005.

Taxon
head cabbagee1
Outcome
total antioxidant capacity (TAC)e1
Value
236 ± 60 mg GA/100 ge4
Qualifier
in the year 2005e4

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e4

“Average value of TAC in fresh cabbage was 236 ± 60 mg GA/100 g in the year 2005 and 295 ± 27 mg GA/100 g in the year 2006”

✓ located verbatim in the source · abstract, characters 764–885 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Average TAC of fresh head cabbage was 295 ± 27 mg GA/100 g in 2006.

Taxon
head cabbagee1
Outcome
total antioxidant capacity (TAC)e1
Value
295 ± 27 mg GA/100 ge4
Qualifier
in the year 2006e4

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e4

“Average value of TAC in fresh cabbage was 236 ± 60 mg GA/100 g in the year 2005 and 295 ± 27 mg GA/100 g in the year 2006”

✓ located verbatim in the source · abstract, characters 764–885 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

TAC decreased during storage of head cabbage compared with fresh cabbage.

Taxon
head cabbagee1
Treatment
course of storagee3
Outcome
TAC valuee3
Direction
decreasede3
Comparator
fresh cabbagee4

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e3

“The TAC value decreased in the course of storage”

✓ located verbatim in the source · abstract, characters 887–935 · show in text ↑
e4

“Average value of TAC in fresh cabbage was 236 ± 60 mg GA/100 g in the year 2005 and 295 ± 27 mg GA/100 g in the year 2006”

✓ located verbatim in the source · abstract, characters 764–885 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

After five months of storage, TAC of head cabbage was 56 ± 18 mg GA/100 g in 2005.

Taxon
head cabbagee1
Outcome
average value of TACe5
Value
56 ± 18 mg GA/100 ge5
Qualifier
in the year 2005e5

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e5

“The average value of TAC after a five-month period of storage was 56 ± 18 mg GA/100 g in the year 2005 and 33 ± 5 mg GA/100 g in the year 2006”

✓ located verbatim in the source · abstract, characters 937–1079 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

After five months of storage, TAC of head cabbage was 33 ± 5 mg GA/100 g in 2006.

Taxon
head cabbagee1
Outcome
average value of TACe5
Value
33 ± 5 mg GA/100 ge5
Qualifier
in the year 2006e5

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e5

“The average value of TAC after a five-month period of storage was 56 ± 18 mg GA/100 g in the year 2005 and 33 ± 5 mg GA/100 g in the year 2006”

✓ located verbatim in the source · abstract, characters 937–1079 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Alternative organic fertilizers gave similar or even better quality in head cabbage than farmyard manure.

Taxon
head cabbagee1
Treatment
alternative, organic fertilizerse6
Outcome
qualitiese6
Direction
similar or even bettere6
Comparator
farmyard manuree6

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e6

“alternative, organic fertilizers have similar or even better qualities than farmyard manure and that they can contribute to the improvement of nutritional values of vegetable”

✓ located verbatim in the source · abstract, characters 1103–1277 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors recommend alternative organic fertilizers for improving the nutritional value of head cabbage.

Taxon
head cabbagee1
Outcome
nutritional valuese6

Verbatim

e1

“The purpose of this study was to investigate the variations in the total antioxidant capacity (TAC) in head cabbage according to the used type of fertilizer”

✓ located verbatim in the source · abstract, characters 139–295 · show in text ↑
e6

“alternative, organic fertilizers have similar or even better qualities than farmyard manure and that they can contribute to the improvement of nutritional values of vegetable”

✓ located verbatim in the source · abstract, characters 1103–1277 · show in text ↑