Results 91 to 100 of about 47,943 (166)

Prenylated Xanthones from Calophyllum biflorum Leaves: Isolation, Structural Characterization, and Evaluation of Antioxidant and Cytotoxic Activities

The Calophyllum genus, part of the Calophyllaceae family, produces xanthones as dominant secondary metabolites. Calophyllum biflorum M.R. Hend. & Wyatt-Sm.
Muhammad Ulul ‘Azmi, Fitri Nurvita Sari, Novian Ilham Ramadhan, Harum Margasari, Leny Nur Fitriani, Mulyadi Tanjung, Ratih Dewi Saputri, Tjitjik Srie Tjahjandarie   +7 more
core   +1 more source

Anti-Inflammatory Effect of Xanthones from Hypericum beanii on Macrophage RAW 264.7 Cells through Reduced NO Production and TNF-α, IL-1β, IL-6, and COX-2 Expression

Molecules
Hypericum beanii N. Robson, a perennial upright herb, predominantly inhabits temperate regions. This species has been utilized for the treatment of various inflammation-related diseases. One new xanthone 3,7-dihydroxy-1,6-dimethoxyxanthone (1) and twenty-
Wei Ma, Fu-Cai Ren, Xue-Ru Wang, Ning Li
doaj   +1 more source

Xanthones inhibitors of alpha-glucosidase and glycation from Garcinia nobilis

, 2012
Fouotsa H, Lannang AM, Mbazoa CD, et al. Xanthones inhibitors of alpha-glucosidase and glycation from Garcinia nobilis. Phytochemistry Letters.
Devkota, Krishna Prasad, Bishnu P. Marasini, Fouotsa, Hugues, Muhammad Iqbal Choudhary, Kengfack, Augustin Ephrem, Norbert Sewald, Choudhary, Muhammad Iqbal, Hugues Fouotsa, Augustin Ephrem Kengfack, Celine Djama Mbazoa, Ali, Zulfiqar, Sewald, Norbert ; https://orcid.org/, Mbazoa, Celine Djama, Marasini, Bishnu P., Saima Rasheed, Krishna Prasad Devkota, Shaheen, Farzana, Rasheed, Saima, Farzana Shaheen, Lannang, Alain Meli, Alain Meli Lannang, Zulfiqar Ali, Sewald, Norbert   +22 more
core   +1 more source

Neuroprotective Xanthones from the Root Bark of Cudrania tricuspidata

, 2016
Seventeen new prenylated xanthones (1–17) were isolated from an ethyl acetate-soluble extract of root bark of Cudrania tricuspidata together with 17 previously identified xanthones.
Nguyen Tuan Hiep (1760419), Jaeyoung Kwon (1475884), Dong-Woo Kim (1760416), Dongho Lee (822465), Hak Ju Lee (1760422), Bang Yeon Hwang (30231), Woongchon Mar (1586989)   +6 more
core   +1 more source

Antibacterial xanthones from Kielmeyera variabilis mart. (Clusiaceae)

Memorias do Instituto Oswaldo Cruz, 2003
The bioassay-guided fractionation of stems from Kielmeyera variabilis, traditionally used in Brazilian folk medicine, yielded assiguxanthone-B (1), kielcorin (4), 2,5-dihydroxybenzoic acid (3), and a mixture of xanthones containing assiguxanthone-B (1 ...
Pinheiro Lucimar, Nakamura Celso Vataru, Dias Filho Benedito Prado, Ferreira Antonio Gilberto, Young Maria Claudia Marx, Cortez Aparicio Garcia   +5 more
doaj  

แซนโทนที่พบในยางผลมังคุด (Xanthones of the Garcinia mangostana Fruit Latex)

, 2012
งานวิจัยนี้ศึกษาองค์ประกอบทางเคมีของยางผลมังคุด ผลจากการศึกษาพบว่ายางผลมังคุดมีแซนโทน 13 สาร ในขณะที่เคยมีผู้รายงานไว้แล้วเพียง 5 ชนิด และเป็นครั้งแรกที่รายงานการแยก cowaxanthone D และ cratoxylone ในพืชสกุลนี้ การพิสูจน์โครงสร้างของแซนโทนทั้งหมดใช้ 1D ...
จรัสรุ่งทวี, อมรมาศ, สุขสำราญ, สุนิตย์   +1 more
core  

Trioxygenated naturally occurring xanthones

, 1997
This review discusses the chemistry of 127 trioxygenated xanthones occurring in six families, 37 genera and 107 species of higher plants, and 55 which are fungal or lichen metabolites.
Nagem, Tanus Jorge, Peres, Valdir
core   +1 more source

Microwave-assisted synthesis of chromeno[3,4-b]xanthones and (benzo[c]cromenyl)chromones

, 2017
Two series of novel propargyloxychromones were designed and synthesized. Both chromone derivatives were used as substrates in MW-assisted intramolecular Diels-Alder reactions, affording chromeno[3,4-b]xanthones and (benzo[c]chromenyl)chromones ...
Cavaleiro, José, Albuquerque, Hélio, Santos, Clementina M.M., Silva, Artur   +3 more
core  

Sustainable UAE-HPLC Approach for the Multi-Analyte Profiling of Seven Bioactive Xanthones in <i>Garcinia mangostana</i> L. [PDF]

ACS Omega
Kerdkok D, Rattanaswat S, Bangkerdphol J, Siangproh W, Suksamrarn S, Jittangprasert P.   +5 more
europepmc   +1 more source

Phytochemical Constituents of Selected <i>Garcinia</i> Fruits from Tropical Australia. [PDF]

Foods
John OD, Panchal SK, Brown L, Mouatt P.
europepmc   +1 more source