Anti-Asthmatic Agents: Drugs that are used to treat asthma.Saururaceae: A plant family of the order Piperales, subclass Magnoliidae class Magnoliopsida. Members contain sauristolactam, and aristololactam BII.Amomum: A plant genus of the family ZINGIBERACEAE. Members contain aculeatin D, beta-sitosterol, and STIGMASTEROL. Some members have been reclassified to ELETTARIA and other ZINGIBERACEAE.Asthma: A form of bronchial disorder with three distinct components: airway hyper-responsiveness (RESPIRATORY HYPERSENSITIVITY), airway INFLAMMATION, and intermittent AIRWAY OBSTRUCTION. It is characterized by spasmodic contraction of airway smooth muscle, WHEEZING, and dyspnea (DYSPNEA, PAROXYSMAL).Albuterol: A short-acting beta-2 adrenergic agonist that is primarily used as a bronchodilator agent to treat ASTHMA. Albuterol is prepared as a racemic mixture of R(-) and S(+) stereoisomers. The stereospecific preparation of R(-) isomer of albuterol is referred to as levalbuterol.Guinea Pigs: A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research.Ovalbumin: An albumin obtained from the white of eggs. It is a member of the serpin superfamily.Plant Extracts: Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard.