A New Diterpene Glycoside from Rabdosia Rubescens.
A new ent-kaurene beta-D-glucoside was isolated from Rabdosia rubescens, together with the known compounds oridonin, ponicidin, and pedalitin. The structure of new compound was determined, on the basis of spectral data and X-ray crystallographic analysis, to be ent-7 beta,20-epoxy-kaur-16-ene-1 beta,6 alpha,7 alpha,14 alpha,15 alpha-pentanol 1-O-beta-D-
H M, Liu, X, Yan, F, Kiuchi, Z, Liu
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Stevia rebaudiana Bertoni cultivated in Portugal: a prospective study of its antioxidant potential in different conservation conditions [PDF]
Studies with well-established cultivation conditions are of utmost importance in order to standardize the plants production and, therefore, its chemical composition.
Barros, Lillian +5 more
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Terzyme: a tool for identification and analysis of the plant terpenome. [PDF]
BACKGROUND: Terpenoid hydrocarbons represent the largest and most ancient group of phytochemicals, such that the entire chemical library of a plant is often referred to as its 'terpenome'.
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Complete Structure Elucidation of New Steviol Glycosides Possessing 9 Glucose Units Isolated from
In our continued effort to discover new diterpene glycoside sweeteners from Stevia rebaudiana Bertoni with a better taste profile than that of rebaudioside M, we have isolated three novel steviol glycosides with 9 glucose units, 3 at the C-13 site of the
Indra Prakash +7 more
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Angelica keiskei, an emerging medicinal herb with various bioactive constituents and biological activities. [PDF]
Angelica keiskei (Miq.) Koidz. (Umbelliferae) has traditionally been used to treat dysuria, dyschezia, and dysgalactia as well as to restore vitality. Recently, the aerial parts of A. keiskei have been consumed as a health food.
Jafari, Mahtab +3 more
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A New Diterpene Glycoside: 15α-Hydroxy-Rebaudioside M Isolated from
In a continued search for novel diterpenoid glycosides, we recently isolated and characterized a Rebaudioside M derivative with a hydroxyl group at position 15 in the central diterpene core from an extract of Stevia rebaudiana Bertoni. Here we report the
Indra Prakash +7 more
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Iridoid and Furanolabdane -Type Diterpene Glycosides from Rhizomes of Eremostachys azerbaijanica Rech. f. [PDF]
Background and objectives: The rhizomes of Eremostachys azerbaijanica Rech. f.,as an indigenous plant in East Azerbaijan province of Iran, were studied for isolation and identification of possible phytoconstituents.
Solmaz Asnaashari* +2 more
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Stevia rebaudiana Bertony is well known because its leaves contain diterpene steviol glycosides. The main of them are stevioside and rebaudioside A, both have a sweetness about 250–350 times higher than sucrose and, hence, are popular natural low-calorie
N.G. Sinyavina +2 more
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Review: Marine natural products [PDF]
This review covers the literature published in 2003 for marine natural products, with 619 citations (413 for the period January to December 2003) referring to compounds isolated from marine microorganisms and phytoplankton, green algae, brown algae, red ...
Blunt, John W. +4 more
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A Novel Diterpene Glycoside with Nine Glucose Units from Stevia rebaudiana Bertoni
Following our interest in new diterpene glycosides with better taste profiles than that of Rebaudioside M, we have recently isolated and characterized Rebaudioside IX—a novel steviol glycoside—from a commercially‐supplied extract of Stevia rebaudiana ...
Indra Prakash +6 more
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