Results 41 to 50 of about 83,124 (381)

Influence of extraction methods on the composition of essential oils of Achillea millefolium L. from Lithuania [PDF]

open access: yes, 2014
In this study, flowering aerial parts of Achillea millefolium were used as a matrix for supercritical CO2 extraction (SFE) of volatile oil. The collected extracts were analyzed by GC-FID and GC-MS methods and their composition were compared with that of ...
Bagdonaite, E.   +4 more
core   +1 more source

Enzymatic Intermolecular Hetero-Diels-Alder Reaction in the Biosynthesis of Tropolonic Sesquiterpenes.

open access: yesJournal of the American Chemical Society, 2019
Diels-Alder reactions are among the most powerful synthetic trans-formations to construct complex natural products. Despite that increasing of enzymatic intramolecular Diels-Alder reactions have been discovered, natural intermolecular Diels-Alderases are
Qibin Chen   +11 more
semanticscholar   +1 more source

Extraction and Identification of Volatile Components of Two Salvia Species Native to Iran (Salvia limbata and S. multicaulis) by Using Solid Phase Micro-Extraction Method

open access: yesMajallah-i ̒Ulum-i Bāghbānī, 2016
Introduction: There are 58 species belonging to sage genus as annual and perennial plant in different regions of Iran that 18 species of them are endemic to Iran and they have different medicinal properties such as antibiotic, sedative, carminative ...
S. Ramezani   +5 more
doaj   +1 more source

(E)-2,6,10-Trimethyldodec-8-en-2-ol: An Undescribed Sesquiterpenoid from Copaiba Oil

open access: yesMolecules, 2021
The use of copaiba oil has been reported since the 16th century in Amazon traditional medicine, especially as an anti-inflammatory ingredient and for wound healing.
Mohammed F. Hawwal   +6 more
doaj   +1 more source

Virtual Screening of Plant Volatile Compounds Reveals a High Affinity of Hylamorpha elegans (Coleoptera: Scarabaeidae) Odorant-Binding Proteins for Sesquiterpenes From Its Native Host [PDF]

open access: yes, 2016
Indexación: Web of ScienceHylamorpha elegans (Burmeister) is a native Chilean scarab beetle considered to be a relevant agricultural pest to pasture and cereal and small fruit crops.
Ana Mutis   +18 more
core   +1 more source

New Cadinane Sesquiterpenes from the Stems of Kadsura heteroclita

open access: yesMolecules, 2019
As part of our continual efforts to exploit ‘Tujia Ethnomedicine’ for their pharmacophoric functionalities, we herein investigated Kadsura heteroclita collected from a deep Wulin mountain area in northern Hunan province.
Liang Cao   +11 more
doaj   +1 more source

A Review on Phytochemicals of the Genus Maytenus and Their Bioactive Studies

open access: yesMolecules, 2021
The genus Maytenus is a member of the Celastraceae family, of which several species have long been used in traditional medicine. Between 1976 and 2021, nearly 270 new compounds have been isolated and elucidated from the genus Maytenus.
Yuan-Yuan Huang   +7 more
doaj   +1 more source

Photochemical Approaches to Complex Chemotypes: Applications in Natural Product Synthesis. [PDF]

open access: yes, 2016
The use of photochemical transformations is a powerful strategy that allows for the formation of a high degree of molecular complexity from relatively simple building blocks in a single step. A central feature of all light-promoted transformations is the
Kärkäs, Markus D.   +2 more
core   +2 more sources

Development of a Terpene Feedstock-Based Oxidative Synthetic Approach to the Illicium Sesquiterpenes.

open access: yesJournal of the American Chemical Society, 2019
The Illicium sesquiterpenes are a family of natural products containing over 100 highly oxidized and structurally complex members, many of which display interesting biological activities.
Kevin Hung   +6 more
semanticscholar   +1 more source

Repellent Activity of the Essential Oil from the Heartwood of Pilgerodendron uviferum (D. Don) Florin against Aegorhinus superciliosus (Coleoptera: Curculionidae)

open access: yesMolecules, 2016
The weevil Aegorhinus superciliosus Guérin (Coleoptera: Curculionidae), which is endemic to Central-Southern Chile and Argentina, is one of the major berry pests in Chile and the most important pest in the La Araucanía Region (38°44′9″S, 72°35′25″W). Due
Javier Espinoza   +4 more
doaj   +1 more source

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