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ANTIOXIDANT SYSTEM IN SPOROBOLUS STAPFIANUS: CHANGES IN RESPONSE TO DESICCATION AND REHYDRATION
Abstract Changes in the amounts of ascorbic acid, dehydroascorbic acid and glutathione and in the levels of related enzyme activities were studied in Sporobolus stapfianus leaves, a… Expand
Thylakoid-bound and stromal antioxidative enzymes in wheat treated with excess copper
Copper is a catalyst in the formation of reactive free radicals and its toxicity may be due, at least in part, to oxidative damage. The response of thylakoid-bound and stromal antioxidative enzymes… Expand
The role of the glutathione system during dehydration of Boea hygroscopica
Plants of Boea hygroscopica F. Muell were subjected to dehydration for 25 days until the relative water content was 23%. The rate of water loss was very slow during the first 12 days of dehydration… Expand
Antioxidative responses of wheat treated with realistic concentration of cadmium
Abstract Two cvs. of wheat differently sensitive to many stress factors (cv. Ofanto less sensitive than cv. Adamello) were grown in a controlled environment with cadmium near threshold concentrations… Expand
Effect of Nitrogen Fertilization and Harvest Time on Steviol Glycosides, Flavonoid Composition, and Antioxidant Properties in Stevia rebaudiana Bertoni.
- S. Tavarini, C. Sgherri, A. Ranieri, L. Angelini
- Chemistry, Medicine
- Journal of agricultural and food chemistry
- 3 August 2015
Investigating the effect of nitrogen fertilization and harvest time on the flavonoid composition and antioxidant properties of Stevia rebaudiana leaves showed that, by using an adequate N rate and choosing an appropriate harvest time, it was possible to significantly increase and optimize the bioactive compound levels. Expand
Organically vs conventionally grown winter wheat: effects on grain yield, technological quality, and on phenolic composition and antioxidant properties of bran and refined flour.
- M. Mazzoncini, D. Antichi, N. Silvestri, Giulia Ciantelli, C. Sgherri
- Chemistry, Medicine
- Food chemistry
- 15 May 2015
Under the conditions adopted in this study, an organic cropping system can maintain or even increase the health properties of the wheat milled products, provided a reduction in grain yield is accepted. Expand
Growth in excess copper induces changes in the lipid composition and fluidity of PSII-enriched membranes in wheat
The total amount of unsaturated lipids associated with the PSII-enriched membranes of wheat was not affected by excess copper supplies, even though changes in the individual fatty acids occurred. Expand
Phenols and antioxidative status of Raphanus sativus grown in copper excess.
The reduced ascorbate was thus able to replenish reducing equivalents to phenoxyl radicals thus explaining the increase in the phenolic compounds. Expand
The oxidative stress caused by salinity in two barley cultivars is mitigated by elevated CO2.
It can be concluded that elevated CO(2) mitigates the oxidative stress caused by salinity, involving lower ROS generation and a better maintenance of redox homeostasis as a consequence of higher assimilation rates and lower photorespiration, being the response dependent on the cultivar analysed. Expand
Levels of antioxidants and nutraceuticals in basil grown in hydroponics and soil
Abstract Owing to the traditional phytotherapeutic use of basil and its importance as a basic component of the Mediterranean diet, this research aimed to study the nutraceutical properties of basil… Expand