Results 41 to 50 of about 873 (161)

Cembranoids From the Leaves of and Their Neuroprotective Activities

open access: yesNatural Product Communications, 2022
A new cembrane-type diterpenoid ( 1 ) and 9 known cembranoids ( 2 - 10 ) were isolated from the leaves of Nicotiana tabacum . The structure of the new metabolite was confirmed by extensive analyses of their spectroscopic data, including high-resolution ...
Peng-fei Yang   +5 more
doaj   +1 more source

Nanoencapsulation of Essential Oils: A Review of Current Trends and Advances in Preparation, Characterization, and Biomedical Applications

open access: yesNano Select, Volume 7, Issue 6, June 2026.
This review highlights nanoencapsulation as a powerful strategy to improve the stability, solubility, and bioavailability of essential oils. It surveys key EO‐producing plant families, major bioactive constituents, and therapeutic properties, alongside high‐ and low‐energy nanoformulation methods. Applications across pharmaceutical, cosmetic, food, and
Mateusz Guz   +3 more
wiley   +1 more source

Cembranoids from the Cultured Soft Coral

open access: yesNatural Product Communications, 2013
An EtOAc extract of the cultured soft coral Sinularia gibberosa yielded a new cembrane-based diterpenoid, cugibberosene A ( 1 ), together with the previously reported three cembranoids ( 2–4 ).
Hsiu-Fen Lin   +3 more
doaj   +1 more source

Numerosol A–D, New Cembranoid Diterpenes from the Soft Coral Sinularia numerosa

open access: yesMarine Drugs, 2014
Four new cembrane-type diterpenes; numerosol A–D (1–4); along with a known steroid; gibberoketosterol (5); were isolated from the Taiwanese soft coral Sinularia numerosa.
Yen-Ju Tseng   +3 more
doaj   +1 more source

Sesqui- and Diterpenoids from Tahitian and Japanese Liverworts species

open access: yesNatural Product Communications, 2017
A new cembrane diterpenoid was isolated from the Tahitian liverwort Jungermannia species, together with several known sesquiterpenoids, and labdane and verticillane diterpenoids.
Fumihiro Nagashima, Yoshinori Asakawa
doaj   +1 more source

Sarcophyolides B–E, New Cembranoids from the Soft Coral Sarcophyton elegans

open access: yesMarine Drugs, 2013
Four new cembrane-type diterpenoids, sarcophyolides B–E (1–4), along with 11 known analogues were isolated from the soft coral Sarcophyton elegans. The structures of new compounds 1–4 were established on the basis of spectroscopic analysis and chemical ...
Leen van Ofwegen   +6 more
doaj   +1 more source

Neuroactive and Anti-inflammatory Frankincense Cembranes: A Structure–Activity Study

open access: yesJournal of Natural Products, 2016
An expeditious isolation method for the cembrane diterpene alcohols incensol (1a) and serratol (2) has been developed from respectively African and Indian frankincense. The two native alcohols and a series of semisynthetic derivatives of incensol were evaluated for transient receptor potential vanilloid 3 (TRPV3) activation and the inhibition of NF-κB,
Pollastro, Federica   +9 more
openaire   +5 more sources

Identification and Characterization of Bacterial Diterpene Cyclases that Synthesize the Cembrane Skeleton [PDF]

open access: yesChemBioChem, 2013
Digging up skeletons: We report the identification and the functional characterization of two terpene cyclases (DtcycA and DtcycB) that were mined from the genome of Streptomyces sp. SANK 60404. DtcycA and DtcycB are novel bacterial diterpene cyclases for the synthesis of the cembrane skeleton.
Meguro, Ayuko   +3 more
openaire   +2 more sources

Über die Rolle von Wasserstoffwanderungen im Taxadiensystem

open access: yesAngewandte Chemie, Volume 137, Issue 13, March 24, 2025.
Es ist bekannt, dass Protonenwanderungen über große Entfernungen eine Rolle bei der Biosynthese von Taxa‐4,11‐dien spielen. Diese Studie zeigt die Beteiligung von Wasserstoffübertragungen über große Entfernungen auch an der massenspektrometrischen Fragmentierung, und kombinierte Ansätze durch ortsspezifische Mutagenese und enzymatische Umwandlung ...
Heng Li   +2 more
wiley   +1 more source

Cytotoxic and Antifungal Terpenoids from Bornean Soft Coral,

open access: yesNatural Product Communications, 2018
One new cembrane, ent -sinuflexibilin D (1), along with seven known compounds (2-8) were isolated from a population of Bornean soft coral Sinularia flexibilis . Their structures were elucidated on the basis of spectroscopic analyses.
Takashi Kamada   +4 more
doaj   +1 more source

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