Results 1 to 10 of about 1,327 (175)

Unveiling the Potential of Plant-Derived Diarylheptanoids and Their Derivatives in Bio-Based Polyurethane Compositions [PDF]

Plants
The key challenge in polymer science is developing sustainable synthesis methods using renewable feedstocks. This study explores plant-derived diarylheptanoids with various structures as the building blocks for polyurethane (PU) materials ...
Matiss Pals, Jevgenija Ponomarenko, Maris Lauberts, Lilija Jashina, Vilhelmine Jurkjane, Alexandr Arshanitsa   +5 more
doaj   +2 more sources

Concise syntheses of natural diarylheptanoids containing a 1,4-pentadiene unit [PDF]

Natural Products and Bioprospecting
Two concise and efficient synthetic routes were developed for the synthesis of three 1,7-diarylheptanoids (1–3) containing a 1,4-pentadiene unit, which were originally isolated from Ottelia acuminata var. acuminata.
Guang Tao, Xin-Yue Hu, Hong-Xing Liu, Xing-Ren Li, Li-Dong Shao, Gang Xu   +5 more
doaj   +2 more sources

Enantiomeric diarylheptanoids from Ottelia acuminata var. acuminata and their α-glucosidase inhibitory activity [PDF]

Natural Products and Bioprospecting
Otteacumienes G–K (1–5), five pairs of enantiomeric diarylheptanoids, along with one undescribed diarylheptanoid glycoside and one new lignan, were isolated from Ottelia acuminata var. acuminata. Compounds 1–5 were identified as five pairs of enantiomers
Jia-Ru Zhou, Xin-Yue Hu, Hong-Xing Liu, Yu Zhou, Fei-Fei Xiong, Jian-Jun Zhao, Xing-Ren Li, Gang Xu   +7 more
doaj   +2 more sources

Corylus avellana: A Source of Diarylheptanoids With α-Glucosidase Inhibitory Activity Evaluated by in vitro and in silico Studies

Frontiers in Plant Science, 2022
Corylus avellana hard shells, green leafy involucres, leaves, and male flowers have shown to be a source of diarylheptanoids, a class of natural products with promising biological activities.
Milena Masullo, Gianluigi Lauro, Antonietta Cerulli, Giuseppe Bifulco, Sonia Piacente   +4 more
doaj   +1 more source

Metabolome Mining of Curcuma longa L. Using HPLC-MS/MS and Molecular Networking

Metabolites, 2023
Turmeric, Curcuma longa L., is a type of medicinal plant characterized by its perennial nature and rhizomatous growth. It is a member of the Zingiberaceae family and is distributed across the world’s tropical and subtropical climates, especially in South
Rabin Budhathoki, Arjun Prasad Timilsina, Bishnu P. Regmi, Khaga Raj Sharma, Niraj Aryal, Niranjan Parajuli   +5 more
doaj   +1 more source

New Insights on Phytochemical Features and Biological Properties of Alnus glutinosa Stem Bark

Plants, 2022
Alnus glutinosa (namely black alder or European alder) is a tree of the Betulaceae family widely spread through Europe, Southeastern Asia, the Caucasus mountains, and Western Siberia. Its bark is traditionally used for medicinal purposes as an astringent,
Antonella Smeriglio, Valeria D’Angelo, Anna Cacciola, Mariarosaria Ingegneri, Francesco Maria Raimondo, Domenico Trombetta, Maria Paola Germanò   +6 more
doaj   +1 more source

Curcuma aromatica and Curcuma comosa Extracts and Isolated Constituents Provide Protection against UVB-Induced Damage and Attenuate Matrix Metalloproteinase-1 Expression in HaCaT Cells

Cosmetics, 2022
Ultraviolet-B (UVB) exposure is one of the primary extrinsic factors causing skin photoaging. It stimulates inflammatory responses and arrests the cell cycle.
Wachirachai Pabuprapap, Wongnapa Nakyai, Waraluck Chaichompoo, Nattharika Pheedee, Saowanee Phetkeereerat, Jarupa Viyoch, Boon-ek Yingyongnarongkul, Vachiraporn Ajavakom, Apiwat Chompoosor, Pawinee Piyachaturawat, Apichart Suksamrarn   +10 more
doaj   +1 more source

Simultaneous Quantification of Diarylheptanoids and Phenolic Compounds in Juglans mandshurica Maxim. by UPLC–TQ-MS

Separations, 2021
The immature epicarps of Juglans mandshurica and Juglans regia have been used as folk medicine for the treatment of cancer in China. Other parts of the J.mandshurica plant, including leaves, branches, barks, and stems, have reported antitumor activities.
Hong Yang, Li-Bo Wang, Ya-Ping Guo, Ya-Li Wang, Xiao-Xiang Chen, Jian Huang, Lu Yang, Ke Zhang, Jin-Hui Wang   +8 more
doaj   +1 more source

Synthetic Approaches to Diospongins: A Two Decade Journey

SynOpen, 2022
Tetrahydropyran units having multiple stereogenic centers serve as excellent building blocks for various active pharmaceutical ingredients (APIs). In particular, the presence of the unique molecular architecture of the trisubstituted tetrahydropyran (THP)
Krishnaji Tadiparthi, Sourav Chatterjee
doaj   +1 more source

Recent Studies on Cyclic 1,7-Diarylheptanoids: Their Isolation, Structures, Biological Activities, and Chemical Synthesis

Molecules, 2018
Diarylheptanoids are a family of plant secondary metabolites with a 7 carbon skeleton possessing two phenyl rings at the 1- and 7-positions. They can be subdivided into acyclic and cyclic diarylheptanoids where the latter are further divided into meta ...
Yurngdong Jahng, Jae Gyu Park
doaj   +1 more source