Results 21 to 30 of about 10,530 (202)

UHPLC-PDA-ESI-TOF/MS metabolic profiling and antioxidant capacity of arabica and robusta coffee silverskin: antioxidants vs phytotoxins [PDF]

open access: yes, 2017
A deeper knowledge of the chemical composition of coffee silverskin (CS) is needed due to the growing interest in its use as a food additive or an ingredient of dietary supplements.
Lavecchia, R.   +3 more
core   +1 more source

Phytochemical study of a species with ethnopharmacological interest. Sideritis romana L. [PDF]

open access: yes, 2016
The phytochemical analysis of Sideritis romana L., a species largely used as a traditional remedy, led to the isolation and the identification of several acetylated flavonoid glycosides with apigenin, luteolin, hypolaetin and isoscutellarein backbone ...
BIANCO, Armandodoriano   +5 more
core   +1 more source

Five New -Atisene Glycosides From

open access: yesNatural Product Communications, 2019
Five new ent -atisene diterpene glycosides ( 1-5 ) have been isolated from Stevia rebaudiana Bertoni. This adds to a list of only 2 new ent -atisene diterpene glycosides isolated previously from S. rebaudiana .
Krishna P. Devkota   +8 more
doaj   +1 more source

Optimization of extraction parameters of diterpene glycosides from stevia leaves by mathematical modeling [PDF]

open access: yesBIO Web of Conferences
The parameters and modes of extraction of stevioside – hydromodule, temperature and duration of the process were selected in the work. The object of the study was dried stevia leaves of the Ramon Sweetmeat variety.
Chusova Alla   +5 more
doaj   +1 more source

New Diterpene Glycosides from Bertoni: Rebaudioside VIII and Rebaudioside IXd

open access: yesNatural Product Communications, 2018
With our interest of new diterpene glycosides with better taste profile than Rebaudioside M, we isolated and characterized two steviol glycosides with three additional glucose attached at the C-13 of Rebaudioside M or Rebaudioside D from an extract of ...
Gil Ma   +8 more
doaj   +1 more source

Dynamics of steviol glycosides (stevioside and rebaudioside-A) with growth and development of Stevia rebaudiana Bertoni [PDF]

open access: yes, 2016
In the present investigation, the dynamics of steviol glycosides (stevioside and rebaudioside-A) of Stevia rebaudiana with their growth stages were studied. The study aimed to examine the best stage of harvesting (month of the year) the crop with respect
Kumar, Suresh   +3 more
core   +2 more sources

A rearranged labdane diterpene glycoside

open access: yesActa Crystallographica Section E Structure Reports Online, 2006
The title compound, 13(R)-9β-methyl-1(10),14-dienefried­labda-13-O-α-l-2′-acetyl­rhamonopyanoside or 3-methyl-5-(1,2,5,5-tetra­methyl-1,2,3,4,4a,5,6,7-octa­hydro­naphth­yl)pent-1-en-3-yl 2-O-acetyl­rhamnopyanoside, C28H46O6, is a bicyclic diterpenoid glycoside.
Ying Zhu, Cai-Xia Yang, Zhong-Jian Jia
openaire   +1 more source

Marine pharmacology in 2009-2011: marine compounds with antibacterial, antidiabetic, antifungal, anti-inflammatory, antiprotozoal, antituberculosis, and antiviral activities; affecting the immune and nervous systems, and other miscellaneous mechanisms of action. [PDF]

open access: yes, 2013
The peer-reviewed marine pharmacology literature from 2009 to 2011 is presented in this review, following the format used in the 1998–2008 reviews of this series.
A. D. Rodriguez   +3 more
core   +2 more sources

Is Stevia rebaudiana Bertoni a Non Cariogenic Sweetener? A Review [PDF]

open access: yes, 2015
Stevia rebaudiana Bertoni is a small perennial shrub of the Asteraceae (Compositae) family that is native to South America, particularly Brazil and Paraguay, where it is known as "stevia" or "honey leaf" for its powerful sweetness.
ALCIDI, BRUNELLA   +7 more
core   +2 more sources

Farnesiaside, a new diterpene glycoside

open access: yesActa Crystallographica Section E Structure Reports Online, 2006
In the title compound, C26H38O10, the acafarnane skeleton consists of three cis-fused rings, of which the five-membered ring is in an envelope conformation and the two six-membered rings adopt twist-boat and chair conformations. The lactone ring is in an envelope conformation.
Bhattacharyya K   +4 more
openaire   +3 more sources

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