The Journal of the National Science Foundation Sri Lanka publishes results research in all aspects and Technology. journal also has a website at http://www.nsf.gov.lk/. 2021 Impact Factor: 0.682The JNSF provides immediate open access to its content on principle that making freely available public supports greater global exchange knowledge.

A wide range of minerals occurs in feedstuffs as naturally occurring and purposely added elements, as well as by adventitious contamination. These mineral elements can generally be classified as nutritionally essential major elements, nutritionally essential minor and trace elements, and those regarded as toxic or with an essential/toxic duality. A survey is presented of methods used for the de...

introduction: recent investigations have detected the presence of significant levels of heavy metals (chromium, lead and cadmium) in toys and other pvc products manufactured for children. in some countries, addition of compounds containing toxic metals to toys are limited or prohibited. methods: to evaluate the safety of some of the plastic toys in the city of isfahan with respect to toxic trac...

Local medicinal plants from Madina, Saudi Arabia, are used to cure various diseases. However, some can cause adverse health effects. Five different medicinal plants were collected in the city of Madina: mahareeb (Cymbopogon), sheeh (Artemisia), harjal (Cynanchum argel delile), nabipoot (Equisetum), and kafmariam (Vitex agnus-castus). In total, four toxic elements including Al, Pb, As, and Cd we...

BACKGROUND Tea is the most popular nonalcoholic beverage worldwide. In recent years, some Iranian studies have shown the occurrence of toxic elements in fresh or dried tea leaves as well as in brewed tea. The present study aimed to ascertain the health risks associated with exposure to toxic and essential element through black tea consumption in Iran by systematically reviewing the accredited a...

Possibility of mapping the distribution of Arsenic and Chromium in a mining area was investigated using combination of (VNIR) reflectance spectroscopy and geostatistical analysis. Fifty five soil samples were gathered from a waste dump at Sarcheshmeh copper mine and VNIR reflectance spectra were measured in a laboratory. Savitzky- Golay first derivative was used as the main pre-processing metho...

Nowadays, discharge of toxic heavy metals into the environment is anincreasing global concern. In light of this and that the per capita consumption of mushrooms has increased in Iran, the current study was carried out to investigate the levels and health-risk assessment of elements arsenic (As) and zinc (Zn) through consumption of button mushrooms marketed in Kermanshah city in 2016.In this des...