Chemical food preservatives; preparations for use as high polymer stabilizers in the manufacture of plastics and paints, synthetic polymer stabilizing preparations for use as light stabilizers in the manufacture of plastics and coatings, antioxidizing chemicals preparations for use in the manufacture of dyes and tanning agents, chemical additives for use in the manufacture of food; antioxidizing chemical preparations for use in the manufacture of drinks, cakes, flavoring agents, dairy products and fish paste products, plant growth regulators for agricultural use in controlling growth in grapes, oranges, and cedars trees and shrubs; diagnostic reagents for in vitro use, diagnostic preparations and reagents for in vitro biological tests, namely for urine and blood tests, for blood glucose tests, for clotting tests, enzyme preparations for in vitro use, all for scientific and research use; soil improving agents, and plant growth regulators for agricultural use, hormone-based preparations for application to domestic and/or agricultural plants for use as plant growth regulators; diagnostic preparations, tetrodotoxins for scientific or research use