Abstract
Comparison of the Nutritional Value and Storage Life of Carrot Roots From Organic and Conventional Cultivation In the years 2008-2011, research was conducted whose objective was to assess the nutritional value and storage life of the roots of the carrot cultivars Perfekcja and Regulska grown in conventional and organic systems. The carrot roots came from a certified experimental field with a stable ecosystem adapted to conducting research on the organic cultivation of vegetables. In parallel, in the same climatic conditions, carrots were grown in the conventional system. The carrot roots were stored at a temperature of 0-1°C and relative humidity of 95-98%. Immediately after harvest and after several months of storage, the carrot roots were analyzed for dry matter content, total sugars, β-carotene, and nitrates. The results of the qualitative chemical assessment of the carrots showed no significant differences in the levels of dry matter and total sugars depending on the cultivar and the cultivation and storage methods (on average for three years). The carrots grown by the conventional method contained significantly more β-carotene than the carrots grown by the organic method, both before and after storage. It was found that the roots of the carrot cultivar Regulska had a higher β-carotene content than the roots of the cultivar Perfekcja grown in both the organic and conventional systems. The nitrate content in carrot roots immediately after harvesting both cultivars grown in the conventional system was significantly higher than in the roots from organic cultivation and ranged from 349.9 to 554.4 mg·kg -1 . There were marked differences in storage life depending on the cultivar, cultivation method and storage period. A higher percentage of marketable roots after storing the cultivars Regulska and Perfekcja was achieved from conventional cultivation compared with organic cultivation. Losses (diseased roots and weight losses) were higher for the organic carrots than for those grown conventionally. There was a markedly higher percentage of marketable roots among the carrots of the cultivar Regulska compared with Perfekcja. For the cultivar Perfekcja, more diseased roots were found among the organically grown carrots. For the cultivar Regulska, the highest weight losses were recorded following the storage of the roots from organic cultivation.
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Claims 10
Claim · model-written summary
Dry matter and total sugar levels did not differ significantly by cultivar, cultivation or storage method.
- Taxon
- Carrot
Daucus carotat0 - Outcome
- levels of dry matter and total sugarse0
- Direction
- no significant differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences in the levels of dry matter and total sugars depending on the cultivar and the cultivation and storage methods”
t0“Carrot Roots”
Claim · model-written summary
Conventional carrots contained significantly more β-carotene than organic carrots before and after storage.
- Taxon
- carrotsDaucus carotae0
- Treatment
- conventional methode0
- Outcome
- β-carotenee0
- Direction
- moree0
- Qualifier
- both before and after storagee0
- Comparator
- organic methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The carrots grown by the conventional method contained significantly more β-carotene than the carrots grown by the organic method, both before and after storage.”
Claim · model-written summary
Regulska roots had more β-carotene than Perfekcja roots in both systems.
- Taxon
- carrotDaucus carotae0
- Material
- Regulskae0
- Outcome
- β-carotene contente0
- Direction
- highere0
- Comparator
- Perfekcjae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the roots of the carrot cultivar Regulska had a higher β-carotene content than the roots of the cultivar Perfekcja grown in both the organic and conventional systems.”
Claim · model-written summary
Conventional carrots had significantly higher nitrate content immediately after harvest, at 349.9 to 554.4 mg·kg -1.
- Taxon
- carrotDaucus carotae0
- Treatment
- conventional systeme0
- Outcome
- nitrate contente0
- Direction
- highere0
- Value
- 349.9 to 554.4 mg·kg -1e0
- Qualifier
- immediately after harvesting both cultivarse0
- Comparator
- organic cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nitrate content in carrot roots immediately after harvesting both cultivars grown in the conventional system was significantly higher than in the roots from organic cultivation and ranged from 349.9 to 554.4 mg·kg -1 .”
Claim · model-written summary
Storage life differed by cultivar, cultivation method and storage period.
- Taxon
- CarrotDaucus carotat0
- Treatment
- cultivation methode0
- Outcome
- storage lifee0
- Qualifier
- cultivar, cultivation method and storage periode0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were marked differences in storage life depending on the cultivar, cultivation method and storage period.”
t0“Carrot Roots”
Claim · model-written summary
Conventional cultivation yielded a higher percentage of marketable roots after storage than organic cultivation.
- Taxon
- CarrotDaucus carotat0
- Material
- Regulska and Perfekcjae0
- Treatment
- conventional cultivatione0
- Outcome
- percentage of marketable rootse0
- Direction
- highere0
- Comparator
- organic cultivatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher percentage of marketable roots after storing the cultivars Regulska and Perfekcja was achieved from conventional cultivation compared with organic cultivation.”
t0“Carrot Roots”
Claim · model-written summary
Organic carrots had higher diseased-root and weight losses than conventional carrots.
- Taxon
- carrotsDaucus carotae0
- Treatment
- organice0
- Outcome
- diseased roots and weight lossese0
- Direction
- highere0
- Comparator
- grown conventionallye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Losses (diseased roots and weight losses) were higher for the organic carrots than for those grown conventionally.”
Claim · model-written summary
Regulska had a higher percentage of marketable roots than Perfekcja.
- Taxon
- carrotsDaucus carotae0
- Material
- Regulskae0
- Outcome
- percentage of marketable rootse0
- Direction
- highere0
- Comparator
- Perfekcjae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was a markedly higher percentage of marketable roots among the carrots of the cultivar Regulska compared with Perfekcja.”
Claim · model-written summary
Organic Perfekcja carrots had more diseased roots.
- Taxon
- carrotsDaucus carotae0
- Material
- Perfekcjae0
- Treatment
- organically growne0
- Outcome
- diseased rootse0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For the cultivar Perfekcja, more diseased roots were found among the organically grown carrots.”
Claim · model-written summary
Organic Regulska roots had the highest storage weight losses.
- Taxon
- CarrotDaucus carotat0
- Material
- Regulskae0
- Treatment
- organic cultivatione0
- Outcome
- weight lossese0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For the cultivar Regulska, the highest weight losses were recorded following the storage of the roots from organic cultivation.”
t0“Carrot Roots”
The same questions in other papers
cultivation system · quality: postharvest · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- positive
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.