Contact Us

C o n t a c t U s

The concentration of polyphenolic compounds and trace

The same leaves were decomposed using an acid mixture in a block digester and the content of Al, Cu, Mg, Mn, Ni, Sn and Zn was quantitated by ICP-OES. Principal component analysis (PCA) was applied and we could establish a relation between polyphenolic and trace element concentration in the leaves with resistance to rust infection.

Determination of Essential Minerals and Trace Elements in

Determination of Essential Minerals and Trace Elements in Nigerian Sesame Seeds, Using TXRF Technique: E.I. Obiajunwa,F.M. Adebiyi and P.E. Omode : Abstract: Total Reflection X-Ray Fluorescence (TXRF) technique was used to determine the elemental concentrations of major, minor and trace elements in sesame seeds, Sesame indicum collected from Ogbomoso, Southwestern, Nigeria.

Trace elements removal ability and antioxidant activity of

Abstract. In this study, roots, stems and leaves of the worldwide distributed macrophyte Phragmites australis (common reed) were tested as potential removal and biomonitors of trace elements contamination in sediment. In particular, the concentrations (100, 200, and 500 mg/kg) of the following elements were analyzed: Zn, Cu, Pb, and Fe.

Elevated Concentrations of Dietarily-Important Trace

Legumes are a good source of calories, protein and mineral nutrients for human nutrition and health. In this study, the edible leaves and grain of 27 field-grown cowpea genotypes were assessed for trace elements and macronutrient den-sity at Manga in the Sudano-Sahelian zone of Ghana in 2005 and 2006, using inductively coupled plasma-mass spectrometry.

Bioaccumulation of Trace Elements in Trophic Levels of

2010-8-7  Also trace elements concentrations of Ni, Cr, and Pb in roots and leaves of P. australis in Danube Delta are significantly less than Shadegan wetland. Other studies show higher concentration of same metals in root, stem and leaf of P. australis [23, 64, 65].

Comparative studies of elemental composition in leaves

2016-1-1  The elemental compositions of leaves and flowers of C. roseus were determined by using atomic absorption spectrophotometer. A total of 13 elements i.e. Na, K, Ca, Mg, Cr, Fe, Zn, Al, Cu, Pb, Cd, Mn and Ni were analyzed from both leaves and flowers of the plant which were accountable for curing various diseases. The result of the analyses was presented in Table 2.

Effects of pruning on the concentration of trace elements

2017-4-28  Despite the nutritional value of Colophospermum mopane to browser's diets, there is still insufficient knowledge on the effect of browsers on concentrations of these trace elements. A field experiment was conducted in Musina Nature Reserve, Limpopo Province, South Africa, to determine the effect of pruning on the concentration of trace elements in mopane leaves.

Trace element concentrations in commercial gluten-free

2015-4-30  Gluten-free foods are specially designed to be consumed by people who suffer from celiac disease or some type of gluten intolerance. Few studies are currently available about trace element contents in gluten-free foods. This study aimed at analyzing the concentrations of 15 trace elements in commercial gluten-free amaranth bars by inductively coupled plasma optical emission spectrometry,

(PDF) DETERMINATION OF MINERALS CONTENT IN

The concentration of trace elements in biological samples can be determined with various analytical techniques, such as atomic absorption spectrometry, inductively coupled plasma mass spectrometry

Element Composition of Tea Leaves and Tea Infusions and

2008-2-29  In the order of concentration (from high to low), Mg, Zn, Fe, and Cu were the most abundant trace elements in tea leaves. The concentrations of Mg, Fe, and Cu were higher in oolong tea than in green tea and black tea, while the concentration of Zn was higher in

DOISerbia Trace element content in urban tree leaves

The leaves of A. hippocastanum showed a significantly higher elements concentration and more consistency in trend of element accumulation during the vegetation season in the period 2002-2006 than Tilia spp., so it may be considered as a more suitable species for the assessment of trace element atmospheric pollution, especially Pb and Cu which

Comparative studies of elemental composition in leaves

2016-1-1  The elemental compositions of leaves and flowers of C. roseus were determined by using atomic absorption spectrophotometer. A total of 13 elements i.e. Na, K, Ca, Mg, Cr, Fe, Zn, Al, Cu, Pb, Cd, Mn and Ni were analyzed from both leaves and flowers of the plant which were accountable for curing various diseases. The result of the analyses was presented in Table 2.

Elevated Concentrations of Dietarily-Important Trace

2013-12-24  3.1. Trace Elements and Macronutrient Concentration in Edible Cowpea Leaves . Analysis of edible cowpea leaves using inductively cou- ple plasma mass spectrometry revealed significant dif- ferences among the 27 genotypes planted in the Su- dano-sahelian savanna of Ghana in 2005. Cowpea geno- types such as Ngonji, Iron Grey, Brown Eye, Fahari and

Elevated Concentrations of Dietarily-Important Trace

2014-6-19  Legumes are a good source of calories, protein and mineral nutrients for human nutrition and health. In this study, the edible leaves and grain of 27 field-grown cowpea genotypes were assessed for trace elements and macronutrient den-sity at Manga in the Sudano-Sahelian zone of Ghana in 2005 and 2006, using inductively coupled plasma-mass spectrometry.

Effects of pruning on the concentration of trace elements

2017-4-28  Despite the nutritional value of Colophospermum mopane to browser's diets, there is still insufficient knowledge on the effect of browsers on concentrations of these trace elements. A field experiment was conducted in Musina Nature Reserve, Limpopo Province, South Africa, to determine the effect of pruning on the concentration of trace elements in mopane leaves.

(PDF) DETERMINATION OF MINERALS CONTENT IN

The concentration of trace elements in biological samples can be determined with various analytical techniques, such as atomic absorption spectrometry, inductively coupled plasma mass spectrometry

Investigation of Some Metals in Leaves and Leaf Extracts

Consumption of plant extracts can be a source of essential elements or a route of human exposure to toxicants. Metal concentrations in leaves, leaf brew, and infusion of L. javanica collected from five sites were determined by atomic absorption spectrometry after acid and aqueous extraction. Estimated daily intakes of metals in extracts were compared with recommended dietary allowances.

Uptake of Cd, Pb, and Ni by Origanum syriacum produced

2019-8-6  The highest Pb concentration was found in the mixture sample that was purchased in Beirut at a concentration of 26.33 mg/kg. This value was more than double the acceptable limit set by the WHO (10 mg/kg). The sample was composed of ground Origanum leaves in an admixture with sesame seeds, sumac, and salt. Therefore, the high Pb concentration

Determination of trace element concentrations in tomato

2013-7-1  Highlights The concentrations of 15 elements were determined in three species of tomatoes by ICP OES and ICP-MS. The type of sample, form of cultivation and maturation influenced the concentrations of trace elements in tomato samples. Tomatoes in the final stages of maturation showed higher concentrations for most elements that were measured. Organic tomatoes had higher levels of

Element Composition of Tea Leaves and Tea Infusions and

2008-2-29  In the order of concentration (from high to low), Mg, Zn, Fe, and Cu were the most abundant trace elements in tea leaves. The concentrations of Mg, Fe, and Cu were higher in oolong tea than in green tea and black tea, while the concentration of Zn was higher in

Comparative Analysis of the Trace Element Content of the

The data indicate that the concentration of most of the essential trace elements was higher in the leaves and roots of P. major and P. lanceolata than in P. maxima, while P. maxima had less toxic metals. The obtained data on trace elements content in Plantago tissues may be taken into account while using plant preparations in practical medicine.

DOISerbia Trace element content in urban tree leaves

The leaves of A. hippocastanum showed a significantly higher elements concentration and more consistency in trend of element accumulation during the vegetation season in the period 2002-2006 than Tilia spp., so it may be considered as a more suitable species for the assessment of trace element atmospheric pollution, especially Pb and Cu which

Study of atmospheric pollution levels by trace elements

The concentrations of Pb, Cu, Zn, Ni, Fe, and Mn in leaf and bark samples of 7 tree species at 22 sampling locations with different pollution levels, in Ogbomoso, Nigeria, were investigated.

Elevated Concentrations of Dietarily-Important Trace

2013-12-24  3.1. Trace Elements and Macronutrient Concentration in Edible Cowpea Leaves . Analysis of edible cowpea leaves using inductively cou- ple plasma mass spectrometry revealed significant dif- ferences among the 27 genotypes planted in the Su- dano-sahelian savanna of Ghana in 2005. Cowpea geno- types such as Ngonji, Iron Grey, Brown Eye, Fahari and

Elevated Concentrations of Dietarily-Important Trace

2014-6-19  Legumes are a good source of calories, protein and mineral nutrients for human nutrition and health. In this study, the edible leaves and grain of 27 field-grown cowpea genotypes were assessed for trace elements and macronutrient den-sity at Manga in the Sudano-Sahelian zone of Ghana in 2005 and 2006, using inductively coupled plasma-mass spectrometry.

Effects of pruning on the concentration of trace elements

2017-4-28  Despite the nutritional value of Colophospermum mopane to browser's diets, there is still insufficient knowledge on the effect of browsers on concentrations of these trace elements. A field experiment was conducted in Musina Nature Reserve, Limpopo Province, South Africa, to determine the effect of pruning on the concentration of trace elements in mopane leaves.

Determination of Major and Trace Elements in Plant

2018-6-10  Pb) present at the concentration of 4 mgL21 in the matrix solutions. The solutions were issued from a stock solution containing the main matrix elements as encountered in mineralized plant samples: K 1000mgL21,Ca500mgL21,Mg200mgL21,andP 100mgL21. Parts of the synthetic matrix soluti on were added to aliquots of the trace

Investigation of Some Metals in Leaves and Leaf Extracts

Consumption of plant extracts can be a source of essential elements or a route of human exposure to toxicants. Metal concentrations in leaves, leaf brew, and infusion of L. javanica collected from five sites were determined by atomic absorption spectrometry after acid and aqueous extraction. Estimated daily intakes of metals in extracts were compared with recommended dietary allowances.

The concentration of polyphenolic compounds and trace

The concentration of polyphenolic compounds and trace elements in the Coffea arabica leaves: Potential chemometric pattern recognition of coffee leaf rust resistance

Determination of trace element concentrations in tomato

2013-7-1  Highlights The concentrations of 15 elements were determined in three species of tomatoes by ICP OES and ICP-MS. The type of sample, form of cultivation and maturation influenced the concentrations of trace elements in tomato samples. Tomatoes in the final stages of maturation showed higher concentrations for most elements that were measured. Organic tomatoes had higher levels of