Understanding and measuring determinants of bid-ask spreads is decisive to clarifying the efficiency of the microstructure of any exchange and general market liquidity. This paper examines the market microstructure of a low liquidity, market maker driven option market, the relations to the underlying securities’ market and the challenges of pricing liquidity. Comparing empirical results with pr...

The presence of heavy metals in the environment could constitute a hazard to food security and public health. These can be accumulated in aquatic animals such as fish. Samples of four popular brands of canned fish in the Iranian market (yellowfin tuna, common Kilka, Kawakawa and longtail tuna) were analyzed for level of Cr after wet digestion with acids using graphite furnace atomic absorption ...

Fish and fishery products are rich in protein. With the growing world population and increase in awareness on health benefits of fish consumption, there is an ever increasing demand for high quality fish protein diets and this could also be met through maximum utilization of fishery resources. In practice, fish is preserved by different methods like freezing, canning, salting etc. The preparati...

The European sea bass, Dicentrarchus labrax, is a high market value marine and coastal species which feeds on small fish (TORTONESE, 1986). It inhabits coastal waters between 10 and 100 m in the Mediterranean, Black Sea and the European and African Atlantic coasts (North to Scandinavian waters and South to Morocco) (MOREIRA et al., 1992; LLORIS, 2002). It is an important species for the Mediter...

  To assess the hygienic conditions of market rainbow trout (Oncorhynchusmykiss ), the residuals of three antibiotics consisting of oxytetracycline (OTC), enrofloxacin (EN) and erythromycin (ET) were measured in the muscles of freshly caught fish obtained from 17 trout farming in Charmahal-va-Bakhteyari (CVB) province using high performance liquid chromatography. Totally 266 fish samples w...

Formalin or formaldehyde belongs to a group of strong disinfectant compounds that are often used as corpse preservative. is also preservative and food additive. The use in foodstuffs should not exist because it can endanger the health body, where cause gastric irritation carcinogenic. Salted fish one processed products great demand by people Jambi. This type preparation has good durability with...