Articolele autorului Iosif Gergen
Link la profilul stiintific al lui Iosif Gergen

Abietic acid ammonium salts, biodegradable surface-active agents, with antimicrobial activity
Structure-activity relations for steroids by the MTD method. Superposition procedure for molecules with different condensed cycles
Homeostazis changes induced by the action of metal compounds in maternofetal complex (III)
Mixed ligand Ni(II) complexes containing tetrathiomolybdato groups and diammines
FTIR Spectroscopy – a nondestructive method to monitor the impact of different fertilizers on the floristic matrix of permanent grassland
Processing and storage impact on the antioxidant properties and color quality of some low sugar fruit jams

The aim of the present study was to assess the effect of thermal processing and storage period on the antioxidant properties and color quality of strawberry, sweet and sour cherry low sugar jam. It was observed that thermal processing of fruits led to statistical significant alterations for all monitored parameters. Most important losses due to thermal processing were recorded for monomeric anthocyanins (92-93% from the value recorded in frozen fruits),

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Changes in the chromatic properties of red wines from Vitis vinifera L. cv. Merlot and Pinot Noir during the course of aging in bottle

Differences in color of red wines from Vitis vinifera L. cv. Merlot and Pinot Noir grapes (vintage 2005, winemaking center Recas) were examined during the course of aging in bottle for a period of two years. The parameters evaluated in our study included chromatic parameters (color intensity and tonality), color structure (color due to monomeric anthocyanins, polymeric pigments and copigmented anthocyanins), monomeric anthocyanins content, “chemical

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Mathematical model for environment contamination risk evaluation

The aim of this paper was to emphasize the application modality of a mathematical model to evaluate the risk of environment contamination correlating spectrometric analysis data of soil and bees honey samples, able to evaluate and predict the pollution level of a geographical area only based on the heavy metals content analysis of bees products. The model practiced in different fields, like risk management, optimization and statistics and which implementation

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Mathematical model evaluation of heavy metal contamination in vegetables and fruits

This paper presents original studies about the occurrence of some trace metals (Fe, Mn, Zn, Cu, Co, Ni, Cr, Pb and Cd) in different vegetables (pepper, cucumbers, tomatoes, eggplants, green beans, cauliflower, cabbage, dill-leaves, parsley-leaves and roots, celery-leaves and roots, onion, garlic and potatoes) and fruits (sweet and sour cherries, apricots, peaches, plums, apples, pears and grapes) cultivated in Cenad, a non-polluted area of Banat

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Total antioxidant and radical scavenging capacities for different medicinal herbs

In this study, a total of eleven medicinal herbs (Rhamnus frangula, Echinaceae herba, Phoeniculus, Malva silvestris, Crataegus monogyna, Taraxacum officinale, Plantago major, Artemisia absinthium, Epilobium montanum, Chelidonium majus, Melissae Folium) from the local market were analyzed for total antioxidant and scavenging capacities. Total antioxidant capacity was analyzed using FRAP method (Benzie&Strain, 1996) and total scavenging capacity by

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