To assess the quality of fresh fish and seafood, there are a few simple things to look for: Fresh whole fish should have bright, clear eyes; skin should be shiny, firm and elastic to the touch, gills should be red not brown, and if gutted, the cavity should be clean.o assess the quality of fresh fish and seafood, there are a few simple things to look for: Fresh whole fish should have bright, clear eyes; skin should be shiny, firm and elastic to the touch, gills should be red not brown, and if gutted, the cavity should be clean.
Drying oil. A drying oil is an oil that hardens to a tough, solid film after a period of exposure to air. The oil hardens through a chemical reaction in which the components crosslink (and hence, polymerize) by the action of oxygen (not through the evaporation of water or other solvents). Drying oils are a key component of oil paint and some varnishes.
Coconut oil can be extracted through dry or wet processing. Dry processing requires that the meat be extracted from the shell and dried using fire, sunlight, or kilns to create copra.oconut oil can be used as a skin moisturizer, helping with dry skin and was shown in one study to reduce protein loss when used in hair. Before the advent of electrical lighting, coconut oil was the primary oil used for illumination in India and was exported as cochin oil.