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.
Mariana. Mariana is an Israeli jewelry designer whose boundless energy and youthful spirit result in creative and colorful pieces. Mariana's jewelry incorporates hand made crystal and fabric beads, natural mineral stones, hand cut gems, and antique Swarovski crystals.All pieces are nickel-free 24kt gold or silver plated and are made in Israel.ariana's jewelry incorporates hand made crystal and fabric beads, natural mineral stones, hand cut gems, and antique Swarovski crystals. All pieces are nickel-free 24kt gold or silver plated and are made in Israel.