ABSTRACT
In this work, we have measured the selenium content in wheat produced locally in eight different regions of Algeria from east to west, and we have established the annual consumption of selenium for five socio-professional categories. Instrumental neutron activation analysis is used. The selenium levels in wheat samples varied from 21 (Tiaret) to 153 µg/kg (Khroub), with a mean value about 52 µg/kg. The mean of selenium daily consumption from ingestion of wheat per person in the eight regions varied from 32 to 52 µg/day which is close to the minimal FAO recommendation.
Subject(s)
Environmental Exposure , Selenium/administration & dosage , Selenium/analysis , Triticum/chemistry , Algeria , Biological Availability , Humans , Neutron Activation Analysis , Selenium/pharmacokineticsABSTRACT
Psoriasis is a multifactorial skin disease with an unknown etiology. Zinc has a positive impact on psoriasis. The aim of this study is to determine hair-zinc concentration in Algerian psoriatics. 58 psoriatics and 31 normal controls of both genders were selected. Hair zinc levels were determined using Instrumental Neutron Activation Analysis technique (INAA). Student's t-test and One-Way ANOVA were applied. The average zinc concentration for controls and patients were 152 ± 53 µg/g and 167 ± 52 µg/g respectively. They are not significantly different (p>0.05). Zn concentration for males and females controls and patients were 171±27 µg/g, 151±37 µg/g and 145 ± 59 µg/g, 178 ± 58 µg/g respectively. However, for females we have observed a significant difference (p<0.05).
