Tannins and human health: a review. Chung KT, Wong TY, Wei CI, Huang YW, Lin Y. Department of Microbiology and Molecular Cell Sciences, University of Memphis, TN 38152, USA. Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods.
How to Cast Jewelry. Jewelry casting is a process of making jewelry pieces that involves the pouring of liquid metal alloy into a mold. It is usually referred to as lost-wax casting because the casting mold is created using a wax model that is melted away to leave a hollow chamber in the middle of the mold.
LuciteÂ® jewelry is seen in a wide array of colors, cuts and designs, although the main composition is a hard type of acrylic or plastic. Typically designed as fashion or costume jewelry, LuciteÂ® is often used for making rings, bracelets, necklaces and other trendy accessories.A popular type of LuciteÂ® jewelry is retro or vintage style, reminiscent of pieces worn during the 1940s.Some designs of LuciteÂ® jewelry are replicas of authentic crystals or diamonds that were worn by glamorous movie stars of yesteryear. popular type of LuciteÂ® jewelry is retro or vintage style, reminiscent of pieces worn during the 1940s. Some designs of LuciteÂ® jewelry are replicas of authentic crystals or diamonds that were worn by glamorous movie stars of yesteryear.