A genus of perennial herbs used topically and internally. It contains echinacoside, GLYCOSIDES; INULIN; isobutyl amides, resin, and SESQUITERPENES.
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.
A catarrhal disorder of the upper respiratory tract, which may be viral or a mixed infection. It generally involves a runny nose, nasal congestion, and sneezing.
The effect of herbs, other PLANTS, or PLANT EXTRACTS on the activity, metabolism, or toxicity of drugs.
Use of plants or herbs to treat diseases or to alleviate pain.
Hydrocarbons with more than one triple bond; or an oxidized form of POLYENES. They can react with SULFUR to form THIOPHENES.
Material prepared from plants.
A plant species of the Salvia genus known as a spice and medicinal plant.
A plant genus of the family RANUNCULACEAE. Members contain BERBERINE.
Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
Pain in the adjacent areas of the teeth.
Invasion of the host RESPIRATORY SYSTEM by microorganisms, usually leading to pathological processes or diseases.
Bites by snakes. Bite by a venomous snake is characterized by stinging pain at the wound puncture. The venom injected at the site of the bite is capable of producing a deleterious effect on the blood or on the nervous system. (Webster's 3d ed; from Dorland, 27th ed, at snake, venomous)
Bites and stings inflicted by insects.
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A plant genus of the family FABACEAE. Members contain COUMARINS.
A plant genus in the family APIACEAE (Umbelliferae) that is used in SPICES and is a source of anethole.
A plant genus of the family RANUNCULACEAE. Members contain hellebrin (BUFANOLIDES). The extract is the basis of Boicil preparation used to treat rheumatism.
A plant genus of the family PRIMULACEAE. It can cause CONTACT DERMATITIS. SAPONINS have been identified in the root.
A plant genus of the family VIOLACEAE. Some species in this genus are called bouncing bet which is a common name more often used with SAPONARIA OFFICINALIS. Members contain macrocyclic peptides.
Irradiation directly from the sun.
The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.
The encapsulated embryos of flowering plants. They are used as is or for animal feed because of the high content of concentrated nutrients like starches, proteins, and fats. Rapeseed, cottonseed, and sunflower seed are also produced for the oils (fats) they yield.
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
The reproductive organs of plants.
Expanded structures, usually green, of vascular plants, characteristically consisting of a bladelike expansion attached to a stem, and functioning as the principal organ of photosynthesis and transpiration. (American Heritage Dictionary, 2d ed)
The science concerned with the detection, chemical composition, and biological action of toxic substances or poisons and the treatment and prevention of toxic manifestations.
High-molecular-weight insoluble polymers that contain functional cationic groups capable of undergoing exchange reactions with anions.
PLANTS, or their progeny, whose GENOME has been altered by GENETIC ENGINEERING.
The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990)
Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which VEGETABLE PROTEINS is available.
A plant species of the genus IPOMOEA, family CONVOLVULACEAE. Some cultivars are sweet and edible whereas bitter varieties are a source of SAPONINS. This sweet potato is sometimes referred to as a yam (DIOSCOREA).
A plant genus of the family LILIACEAE. Members contain ruscogenin. Do not confuse with the Liriope jellyfish (CNIDARIA).
A plant genus of the family Rehmanniaceae. Members contain catapol, rehmannin and ALKALOIDS.