Maria Kubota Akisue

A nortriterpenoid, triterpenoids and ecdysteroids from Pfaffia glomerata☆

Abstract Glomeric acid, a new triterpenoid and pfameric acid, a new nortriterpenoid, have been isolated together with ecdysterone, rubrosterone, oleanolic acid

Three ecdysteroid glycosides from Pfaffia iresinoides

Abstract From the crude drug ‘Brazil ginseng’, the roots of Pfaffia iresinoides , three new ecdysteroid glycosides, ecdysterone 25- O -β- d -glucop

Caracterização farmacognóstica da pata-de-vaca Bauhinia forficata Link

The authors presented a pharmacognostic characterization of the crude drug popular known as pata-de-vaca utilized as diuretic and hipoglicemic agent. Anatomic and morphological description accompanied by drawings. A fitochemical approach of the leaves was also made.

Pfaffane-type nortriterpenoids from Pfaffia pulverulenta

Abstract Pulveric acid, 11-deoxopulveric acid, 11-oxopfaffic acid and pfaffoside G, four new hexacyclic nortriterpenoids, have been isolated together with ecdysterone, rubrosterone and pfaffic acid from Pfaffia pulverulenta . The structures of the new compounds were elucidated as 3,11-dioxopfaffan-12-ene-28-oic acid, 3-oxopfaffan-12-ene-28-oic acid, 3β-hydroxy-11-oxopfaffan-12-ene-28-oic acid and 3β-hydroxypfaffan-12-ene-28-oic acid-(28→1)-β- d -glucuronopyranosyl ester, respectively. 13 C NMR signals were fully assigned using 2D NMR techniques.

Iresinoside, a yellow pigment from Pfaffia iresinoides

Abstract Iresinoside, a new yellow pigment, has been isolated from the crude drug ‘Brazil ginseng’, the roots of Pfaffia iresinoides . Its structure was elucidated by chemical and extensive spectral analyses.

Secoiridoid glucosides fromChelonanthus chelonoides

Abstract Two new secoiridoid glucosides, chelonanthoside and dihydrochelonanthoside, have been isolated from whole plants of Chelonanthus chelonoides along

Caracterização farmacognóstica de pau d'alho Gallesia integrifolia (Spreng.) Harms

The authors present a morphological and histologycal study of the leaf of Gallesia integrifolia (Spreng.) Harms, analysing the most characteristics elements for its identification. A screening the histochemical reactions in leaves are also given. Fresh and crude drug are histochemically analysed.

Morfodiagnose de Mikania laevigata Schultz Bip. ex Baker - guaco-do-mato - estudo do Axófito

The root and the stem of the botanical specie Mikania laevigata Schultz Bip. ex Baker, commonly known as guaco-do-mato, were morphologically and anatomically studied. It was concluded that there are very small anatomical structures differences between both the vegetal drugs and was proposed the observation of the consistence apex and base fragments of the leaves to assure the differential diagnosis.

Morfodiagnose das folhas e das partes reprodutivas de Mikania laevigata Schultz Blp. ex Baker

As folhas, os capitulos, as floretas e os frutos de Mikania laevigata Schultz Bip. ex Baker foram estudados morfologica e anatomicamente com vistas a fornecer subsidios a identificacao da droga de nominada guaco--do-mato. Desenhos acompanham as descricoes.