WebGeneral Information. Trees and shrubs, to 12 m tall; bark grayish brown, sometimes striped with white and/or longitudinally fissured; branches somewhat flattened to subterete or angled, densely pilosulous or hirtellous to puberulent or glabrescent. Petiole 1.5-4 cm, glabrous or puberulent to hirtellous; leaf blade drying papery, ovate, ovate ... WebCinchona alkaloid squaramides were easily prepared in a two-step process. Diethyl or dimethyl squarate reacted with the first amine in DCM or MeOH. Next coupling with a second amine resulted in disubstituted squaramide, which usually precipitated out of solution (Scheme 55).The alkaloid-derived amines 48 were used as either the first or the second …
Cinchona pubescens morphology. Top left, inflorescence …
WebTherapeutic and habit-forming drugs with special reference to Cinchona, Digitalis, Papaver and Cannabis; Tobacco (Morphology, processing, uses and health hazards). Practice: Tapping processes in Rubber plant. … WebCINCHONA . Synonyms . Cortex Cinchonae, Countess, Peruvian or Jesuit’s bark, Cinchona . Biological Source . Cinchona is the dried bark of the stem or of the root of … philippe leonard tromborn
Cinchona pubescens Vahl
WebFeb 9, 2024 · CINCHONA. 1. Biological source: • The botanical name of cinchona is Cinchona calisaya wedd. • The biological source of cinchona is the dried bark of the … Cinchona is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. All are native to the tropical Andean forests of western South America. A few species are reportedly naturalized in Central America, Jamaica, French Polynesia, Sulawesi, Saint Helena in the South … See more Carl Linnaeus named the genus in 1742, based on a claim that the plant had cured the wife of the Count of Chinchón, a Spanish viceroy in Lima, in the 1630s, though the veracity of this story has been disputed. Linnaeus … See more Cinchona species are used as food plants by the larvae of some Lepidoptera species, including the engrailed, the commander, and members of … See more Cinchona alkaloids The bark of trees in this genus is the source of a variety of alkaloids, the most familiar of which is quinine, an antipyretic (antifever) agent … See more Cinchona plants belong to the family Rubiaceae and are large shrubs or small trees with evergreen foliage, growing 5 to 15 m (16 to 49 ft) in height. The leaves are opposite, rounded to lanceolate, and 10–40 cm long. The flowers are white, pink, or red, and … See more Early references The febrifugal properties of bark from trees now known to be in the genus Cinchona were used by many … See more It is unclear if cinchona bark was used in any traditional medicines within Andean Indigenous groups when it first came to notice by Europeans. Since its first confirmed … See more There are at least 24 species of Cinchona recognized by botanists. There are likely several unnamed species and many intermediate forms … See more Web1. Cinchona Bark Presentation By:- Mr. Mohit Thakre H.O.D. Pharmacy Department (Oriental Institute of Pharmacy, Lalburra) 2. Cinchona Bark • Synonyms :- Jesuit’s Bark. Peruvian Bark. • Biological Source :- It is the … philippe loth architecte