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| Description
| - The aim of this work is to determine the impact of differentiated nutrition, using different rates of nitrogen and sulphur, on the level of antioxidants, particularly vitamin E1 (alfa-tocopherol), vitamin C and beta-carotene in the broccoli rosette. The experimental broccoli variety was Tiburon F1. In the 3-year field trial we observed the effects of different rates of nitrogen and sulphur on the amount of antioxidant compounds in broccoli. The experiment consisted of four fertilisation treatments: 1) unfertilised control; 2) fertilised with 200 kg N.ha-1; 3) also fertilized with 200 kg N.ha-1 and supplemented with 50 kg S.ha-1; 4) 200 kg.ha-1 and 60 kg S.ha-1 was applied. To determine the amount of beta-carotene and vitamin E1, the slightly modified method of Olives Barb et al. (2006) was used. The vitamin C content was determined by titration. Nitrogen nutrition has a significant impact not only on the amount of harvested broccoli, but also on the content of beta-carotene, vitamin C and vitamin E1. The average content of beta-carotene ranged from 24.84 mg.kg-1 to 30.13 mg.kg-1 of fresh mass. The content of beta-carotene in broccoli rosettes increased as per the following order of treatments: control > N:S (200:50 kg.ha-1) > N:S (200:60 kg.ha-1) > N (kg.ha-1). The beta-carotene content increased significantly only in treatment 2 as compared to all the other treatments. The level of vitamin C revealed the significant effect of fertilisation in all the treatments in contrast to the control variant. What is more, in treatment 4 the content of vitamin C increased significantly in contrast to fertilised treatments 2 and 3. The average content of vitamin E1 ranged from 4.33 mg.kg-1 to 4.88 mg.kg-1 of fresh mass. There were no significant differences among the untreated control and fertilised treatments 2 and 3. The only significant decrease in the content of vitamin E1 was detected in treatment 4 as against the unfertilised treatment 1.
- The aim of this work is to determine the impact of differentiated nutrition, using different rates of nitrogen and sulphur, on the level of antioxidants, particularly vitamin E1 (alfa-tocopherol), vitamin C and beta-carotene in the broccoli rosette. The experimental broccoli variety was Tiburon F1. In the 3-year field trial we observed the effects of different rates of nitrogen and sulphur on the amount of antioxidant compounds in broccoli. The experiment consisted of four fertilisation treatments: 1) unfertilised control; 2) fertilised with 200 kg N.ha-1; 3) also fertilized with 200 kg N.ha-1 and supplemented with 50 kg S.ha-1; 4) 200 kg.ha-1 and 60 kg S.ha-1 was applied. To determine the amount of beta-carotene and vitamin E1, the slightly modified method of Olives Barb et al. (2006) was used. The vitamin C content was determined by titration. Nitrogen nutrition has a significant impact not only on the amount of harvested broccoli, but also on the content of beta-carotene, vitamin C and vitamin E1. The average content of beta-carotene ranged from 24.84 mg.kg-1 to 30.13 mg.kg-1 of fresh mass. The content of beta-carotene in broccoli rosettes increased as per the following order of treatments: control > N:S (200:50 kg.ha-1) > N:S (200:60 kg.ha-1) > N (kg.ha-1). The beta-carotene content increased significantly only in treatment 2 as compared to all the other treatments. The level of vitamin C revealed the significant effect of fertilisation in all the treatments in contrast to the control variant. What is more, in treatment 4 the content of vitamin C increased significantly in contrast to fertilised treatments 2 and 3. The average content of vitamin E1 ranged from 4.33 mg.kg-1 to 4.88 mg.kg-1 of fresh mass. There were no significant differences among the untreated control and fertilised treatments 2 and 3. The only significant decrease in the content of vitamin E1 was detected in treatment 4 as against the unfertilised treatment 1. (en)
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| Title
| - The effect of differentiated nutrition on the content of antioxidants in broccoli
- The effect of differentiated nutrition on the content of antioxidants in broccoli (en)
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| skos:prefLabel
| - The effect of differentiated nutrition on the content of antioxidants in broccoli
- The effect of differentiated nutrition on the content of antioxidants in broccoli (en)
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| skos:notation
| - RIV/62156489:43210/14:00222876!RIV15-MSM-43210___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62156489:43210/14:00222876
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - fertilisation; beta-carotene; broccoli; vitamin E; antioxidants; vitamin C (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
| |
| http://linked.open...i/riv/nazevZdroje
| - Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...UplatneniVysledku
| |
| http://linked.open...v/svazekPeriodika
| |
| http://linked.open...iv/tvurceVysledku
| - Hlušek, Jaroslav
- Lošák, Tomáš
- Uher, Anton
- Šlosár, Miroslav
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| - 10.11118/actaun201462030561
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| http://localhost/t...ganizacniJednotka
| |
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