Effect of Nitrogen and Sulfur Supply on Glucosinolates in Brassica campestris ssp. chinensis

Chen, Xinjuan; Zhu, Zhujun; Ni, Xiaolei; Qian, Qiongqiu

doi:10.1016/s1671-2927(06)60099-0

Cited by 31 publications

(28 citation statements)

References 8 publications

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“…Similar results were reported by Chen et al(2006) who suggested that accumulation of aliphatic glucosinolate and aromatic glucosinolate could be enhanced by low N and high S and restricted by high N while that of indolyl glucosinolate could be enhanced by high N and high S. The results obtained are in line with Fismes et al(2000) who found that S application greatly increased the level of glucosinolate content compared with the soil receiving only N fertilization. The increase in glucosinolate contents of canola with increasing rate of S might be due to the fact that glucosinolate is an S containing compound and thus increased with adequate supply of S. Glucosinolates contents were low in those plots which did not receive S. It might be due to the S requirements of the glucosinolates molecule in those S deficient plots (Mailer, 1989).…”

Section: Glucosinolate Contentsupporting

confidence: 90%

Influence of nitrogen and sulfur fertilization on quality of canola (Brassica napus L.) under rainfed conditions

Gholami¹,

Jan

Arif

et al. 2007

J. Zhejiang Univ. - Sci. B

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Abstract:Field experiments were conducted at Cereal Crops Research Institute, Pirsabak, Nowshera, Pakistan, during winter 2003~2004 and 2004~2005 to evaluate the effect of nitrogen and sulfur levels and methods of nitrogen application on canola (Brassica napus L. cv. Bulbul-98) under rainfed conditions. Four levels of S (0, 10, 20, and 30 kg/ha) and three levels of N (40, 60, and 80 kg/ha) and a control treatment with both nutrients at zero level were included in the experiments. Sulfur levels were applied at sowing while N levels were applied by three methods (100% soil application, 90% soil+10% foliar application, and 80% soil +20% foliar application). The experiments were laid out in randomized complete block (RCB) design having four replications. Oil content increased significantly up to 20 kg S/ha but further increase in S level did not enhance oil content. Glucosinolate content increased from 13.6 to 24.6 µmol/g as S rate was increased from 0 to 30 kg/ha. Protein content increased from 22.4% to 23.2% as S rate was increased from 0 to 20 kg/ha. Oil content responded negatively to the increasing N levels. The highest N level resulted in the highest values for protein (23.5%) and glucosinolate (19.9 µmol/g) contents. Methods of N application had no significant impact on any parameters under study.

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Section: Glucosinolate Contentsupporting

confidence: 90%

Influence of nitrogen and sulfur fertilization on quality of canola (Brassica napus L.) under rainfed conditions

Gholami¹,

Jan

Arif

et al. 2007

J. Zhejiang Univ. - Sci. B

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“…The latter include nutrient availability, especially N and S supply (12)(13)(14)(15)(16)(17). As anticipated, S has a strong influence on GSL content in Brassica species and an increase in S supply resulted in all cases in a significant increase of GSL content (13,15,16).…”

Section: Introductionmentioning

confidence: 53%

“…rapifera L.) roots, turnip rape (Brassica rapa), and packhoi (Brassica rapa var. chinensis L.) (12,(15)(16)(17), whereas Li et al (16) observed a decrease of aliphatic GSL content in fresh turnip roots, by increasing nitrogen supply dose. Kopsell et al (15) found that aliphatic GSL remained constant by increasing N supply.…”

Section: Introductionmentioning

confidence: 96%

Impact of Nitrogen and Sulfur Fertilization on the Composition of Glucosinolates in Relation to Sulfur Assimilation in Different Plant Organs of Broccoli

Omirou¹,

Papadopoulou²,

Papastylianou³

et al. 2009

J. Agric. Food Chem.

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Broccoli (Brassica oleracea var. italica) is one of the most important winter season vegetables and a rich source of chemoprotective molecules, including glucosinolates (GSL). The aim of this study was to investigate the impact of nitrogen (N) and sulfur (S) fertilization on GSL concentration and composition in different parts of broccoli plants. A greenhouse experiment was performed, with four different treatments of sulfur (10, 30, 70, and 150 kg/ha) and three treatments of nitrogen (50, 250, and 600 kg/ha). GSL concentrations and plant growth responded to the N supply, but this was not observed above the 250 kg N/ha dose. On the contrary, plant growth did not respond to the S supply, whereas GSL concentrations showed a sharp response to the whole range of S applications (from 10 to 150 kg/ha). Glucosinolate composition was altered differentially in the examined plant parts. Aliphatic GSL were more abundant in the florets and leaves, whereas indolyl GSLs were dominant in roots, in which aromatic GSL were also observed. High nitrogen fertilization had a higher impact on indolyl compared to aliphatic GSLs concentration. More importantly, a high concentration of aliphatic GSL, >2.4 micromol/g dry weight (dw), and high S assimilation into aliphatic GSL were consistently observed in the florets compared to other broccoli parts, indicating adaptable processes for nitrogen and sulfur regarding synthesis and transport of aliphatic GSL for these organs.

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“…Furthermore, with S supply above 6 g/kg dry matter and an N/S ratio lower than 10:1, GLS concentrations were on average around 0.33 g/kg fresh matter and differed significantly from those plants characterised by higher N/S ratios [88]. In contrast to aliphatic GLSs, indole GLS levels were highest at high N and S supply [85,87,88]. Assumingly, this observed effect is because plants assimilate inorganic sulphate into cysteine that is subsequently converted into methionine [89], and this reduction step is regulated by N content [90].…”

Section: Nutrient Supplymentioning

confidence: 90%

Glucosinolates inBrassicavegetables: The influence of the food supply chain on intake, bioavailability and human health

Verkerk¹,

Schreiner

Krumbein

et al. 2009

Molecular Nutrition Food Res

518

424

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Glucosinolates (GLSs) are found in Brassica vegetables. Examples of these sources include cabbage, Brussels sprouts, broccoli, cauliflower and various root vegetables (e.g. radish and turnip). A number of epidemiological studies have identified an inverse association between consumption of these vegetables and the risk of colon and rectal cancer. Animal studies have shown changes in enzyme activities and DNA damage resulting from consumption of Brassica vegetables or isothiocyanates, the breakdown products (BDP) of GLSs in the body. Mechanistic studies have begun to identify the ways in which the compounds may exert their protective action but the relevance of these studies to protective effects in the human alimentary tract is as yet unproven. In vitro studies with a number of specific isothiocyanates have suggested mechanisms that might be the basis of their chemoprotective effects. The concentration and composition of the GLSs in different plants, but also within a plant (e.g. in the seeds, roots or leaves), can vary greatly and also changes during plant development. Furthermore, the effects of various factors in the supply chain of Brassica vegetables including breeding, cultivation, storage and processing on intake and bioavailability of GLSs are extensively discussed in this paper.

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Effect of Nitrogen and Sulfur Supply on Glucosinolates in Brassica campestris ssp. chinensis

Cited by 31 publications

References 8 publications

Influence of nitrogen and sulfur fertilization on quality of canola (Brassica napus L.) under rainfed conditions

Influence of nitrogen and sulfur fertilization on quality of canola (Brassica napus L.) under rainfed conditions

Impact of Nitrogen and Sulfur Fertilization on the Composition of Glucosinolates in Relation to Sulfur Assimilation in Different Plant Organs of Broccoli

Glucosinolates inBrassicavegetables: The influence of the food supply chain on intake, bioavailability and human health

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