Results 1 to 10 of about 5,665,112 (248)

Chemical Constituents from Euphorbia esula [PDF]

open access: yesPlants
Euphorbia esula is widely distributed across China, Central Asia and other regions worldwide. For centuries, it has been applied in folk and traditional medicine as a cure for diverse ailments.
Defeng Yan   +8 more
doaj   +2 more sources

Chemical Constituents of Oxytropis ochrocephala [PDF]

open access: yesMolecules
A new lignan (1) and a new phenolic glycoside (2), together with eighteen known compounds (3–20), were isolated from Oxytropis ochrocephala. Their structures were unambiguously elucidated by spectroscopic techniques (UV, IR, 1D and 2D NMR), and HR-ESI-MS
Guoli Li   +7 more
doaj   +2 more sources

A critical review on chemical constituents and pharmacological effects of Lilium

open access: yesFood Science and Human Wellness, 2019
Genus Lilium is famous for edible and medicinal function which is related to its chemical constituents and pharmacological effects. Chemical researches showed that genus Lilium genus mainly contains steroidal saponins, polysaccharides, alkaloids and ...
Pengyu Wang   +6 more
doaj   +3 more sources

Chemical Constituents of

open access: yesNatural Product Communications, 2015
One new bifuran derivative (1) , together with fourteen known compounds, were isolated from Cordyceps cicadae X. Q. Shing. The known compounds included nine nucleosides, uracil (2) , uridine (3) , 2′-deoxyuridine (4) , 2′-deoxyinosine (5) , guanosine (6)
Zhi-Bo Chu, Jun Chang, Ying Zhu, Xun Sun
doaj   +3 more sources

Chemical Constituents of

open access: yesNatural Product Communications, 2017
Chirita drakei Burtt (now accepted as Primulina drakei (B.L. Burtt) Mich. Möller & A. Weber) is growing on limestone mountain slopes of Ha Long Bay islands in Vietnam. The chemical investigation of the aerial parts of C.
Nguyen Thi Hoang Anh   +8 more
doaj   +2 more sources

Non-Targeted Chemical Characterization of JUUL-Menthol-Flavored Aerosols Using Liquid and Gas Chromatography

open access: yesSeparations, 2022
The aerosol constituents generated from JUUL Menthol pods with 3.0% and 5.0% nicotine by weight (Me3 and Me5) are characterized by a non-targeted approach, which was developed to detect aerosol constituents that are not known to be present beforehand or ...
Mark R. Crosswhite   +9 more
doaj   +1 more source

A química da família bombacaceae The chemistry of the bombacaceae family

open access: yesQuímica Nova, 1997
The Bombacaceae family consists of 28 genera and 200 species. This work reviews all the chemical studies carried out on the members of this family, and shows that only ten genera were investigated. From this review it can be seen that no particular class
Vanderlúcia F. Paula   +3 more
doaj   +1 more source

Relationship Between the Structure and Immune Activity of Components From the Active Polysaccharides APS-II of Astragali Radix by Enzymolysis of Endo α-1,4-Glucanase

open access: yesFrontiers in Pharmacology, 2022
Astragali Radix polysaccharides (APSs) have a wide range of biological activities. Our preliminary experiment showed that APS-Ⅱ (10 kDa) was the main immunologically active component of APSs.
Ke Li   +29 more
doaj   +1 more source

CHARACTERIZATION AND EVALUATION OF THE POTENTIAL USE OF SLUDGE FROM STP AND WTP IN PAVING [PDF]

open access: yesEngenharia Agrícola, 2016
Water and sewage treatment plants (STP and WTP) generate as byproduct a significant amount of sludge with environment harmful elements. Sending to landfills or depositing on the ground or rivers are respectively expensive and dangerous alternatives.
Leda C. Lucena   +4 more
doaj   +2 more sources

Chemical Constituents of

open access: yesNatural Product Communications, 2010
Phytochemical investigation of Nepeta distans Raul resulted in the isolation of a new phenolic compound, nepatanol ( 1 ), and eight known compounds, markhamioside F, netidiol, nepedinol, thymoquinone, eugenol, oleanolic acid, ursolic acid, and β ...
Javid Hussain   +4 more
doaj   +1 more source

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