Chemicals for water treatment; chemicals, namely, chitosan; chemicals, namely, chitin; fining agents for beverages; chemical preparations for protecting meat from insects, bacteria, microorganisms, spoilage, and rot; plant elicitor, adjuvant, and fertilizer nutrient for purposes of fertilization, and agricultural and horticultural uses; and chemical agents, sprays, and treatments for impregnating, binding or coating of textiles, furs and leather, non-wovens and fabrics, to inhibit mold, mildew, and pathogens; Polysaccharide and biopolymer based products for water treatment, textiles, materials, and agricultural applications; Chemical preparations for food preservation purposes and extending food shelf-life; chemical preparations for preventing foodborne bacteria, microorganisms, spoilage, and rot; chemical preparations for inhibiting and preventing pathogens and other microorganisms from infecting or growing on or in foods