Abstract: A new method and apparatus for detection and analysis of substrates in a sample is described. The apparatus consists of a rigid or semi-rigid strip having a reaction site, a sample collector or metering site and color blocks to indicate the presence or amount of a substance in the sample. In another embodiment of the apparatus, useful for analysis of gases, a vessel is provided to wet the reaction site and prepare this site for analysis. The components of this device are all located on the same strip and bound together as a one piece test kit.

Abstract: A novel composition and method is disclosed for detecting or quantitatively determining the level of ethanol. This is a colorimetric method and analysis can be done by the visual method. The composition comprises an enzyme alcohol oxidase, a peroxide detecting system consisting of peroxidase and chemicals and chemicals to stabilize alcohol oxidase.

Abstract: A novel composition and method is disclosed for preventing hangover effects in humans caused by consumption of alcoholic beverages. The composition comprises thiamine, ascorbic acid, at least one of cystein or cysteic acid, and at least one flavonoid or flavonoid complex selected from hesperidin, rutin, and hesperidin-methyl-chalcone. Preferred administration is orally, before consumption of alcohol.