Biomaterial Database

[Studies on the chemical constituents from the leave of Paulownia tomentosa]. 2011

De-li Zhang, and Xiao-qiang Li

Lanzhou University Second Hospital, Lanzhou 730000, China.

OBJECTIVE To study the chemical constituents of the leave of Paulownia tomentosa. METHODS The constituents were isolated by column chromatography and their structures were elucidated through spectroscopic analysis. RESULTS The compounds were identified as apigenin(I), uteolin(II), homoeriodictyol(III), 3alpha-hydroxyurs-12-en-28-oic acid (IV),3beta,19alpha-dihydroxyurs-12en-28-oic acid (pomolic acid)(V),2alpha,3a-dihydroxyurs-12-en-28-oic acid(VI),ursolic acid (VII),2alpha,3beta-dihydroxyolean-12-en-28-oic acid (maslinic acid) (VIII), daucosterol(IX),beta-sitosterol(X). CONCLUSIONS The compound I-X are obtained from the leave of Paulownia tomentosa (Thunb.) Steud for the first time.

UI	MeSH Term	Description	Entries
D010946	Plants, Medicinal	Plants whose roots, leaves, seeds, bark, or other constituent parts possess therapeutic, tonic, purgative, curative or other pharmacologic attributes, when administered to man or animals.	Herbs, Medicinal,Medicinal Herbs,Healing Plants,Medicinal Plants,Pharmaceutical Plants,Healing Plant,Herb, Medicinal,Medicinal Herb,Medicinal Plant,Pharmaceutical Plant,Plant, Healing,Plant, Medicinal,Plant, Pharmaceutical,Plants, Healing,Plants, Pharmaceutical
D000097245	Ursolic Acid	A pentacyclic triterpene that co-occurs with its isomer OLEANOLIC ACID in several plant species, and occurs in large amounts in FRUITS (such as CRANBERRIES; PEARS; PLUMS; and OLIVES), MEDICINAL HERBS, and other plants.	(+)-Ursolic Acid,(3 beta)-3-Hydroxyurs-12-en-28-oic Acid,3-Epi-Ursolic Acid,3-Epiursolic Acid,3alpha-Ursolic Acid,3beta-Ursolic Acid,Olean-12-en-28-oic Acid, 3-Hydroxy-, Sodium Salt (1:1), (3beta)-,Sodium Oleanolate,Ursolic Acid Monosodium Salt,Ursolic Acid Sodium Salt,Ursolic Acid, (3beta)-Isomer, 2-(14)C-Labeled,Ursolic Acid, (3beta)-Isomer, Monopotassium Salt,Merotaine,3 Epi Ursolic Acid,3 Epiursolic Acid,3alpha Ursolic Acid,3beta Ursolic Acid,Oleanolate, Sodium
D000431	Ethanol	A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES.	Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
D012855	Sitosterols	A family of sterols commonly found in plants and plant oils. Alpha-, beta-, and gamma-isomers have been characterized.
D014315	Triterpenes	A class of terpenes (the general formula C30H48) formed by the condensation of six isoprene units, equivalent to three terpene units.	Triterpene,Triterpenoid,Triterpenoids
D015394	Molecular Structure	The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.	Structure, Molecular,Molecular Structures,Structures, Molecular
D047309	Flavones	A group of 4-keto-FLAVONOIDS.	2-Phenyl-2-Ene-Benzopyran-4-One Compounds
D018515	Plant Leaves	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)	Plant Leaf,Leaf, Plant,Leave, Plant,Leaves, Plant,Plant Leave
D028083	Scrophulariaceae	The figwort plant family of the order Lamiales. The family is characterized by bisexual flowers with tubular corollas (fused petals) that are bilaterally symmetrical (two-lips) and have four stamens in most, two of which are usually shorter.