Results 81 to 90 of about 18,747 (206)

Decoding chemical profiles in insect‐induced gall development: Insights from Phacopteron lentiginosum–Garuga pinnata interactions

Entomological Science, Volume 29, Issue 3, September 2026.
Analysis of volatile and non‐volatile metabolites across three developmental stages (3rd, 4th and 5th instar nymphal stages) of leaf galls induced by Phacopteron lentiginosum on Garuga pinnata revealed that the 3rd stage exhibited the highest chemical diversity and concentration followed by 4th and 5th stages.
V. K. Bobika, M. Nasser, K. S. Shameer
wiley   +1 more source

Preparative Isolation and Purification of Lignans from Justicia procumbens Using High-Speed Counter-Current Chromatography in Stepwise Elution Mode

Molecules, 2015
Lignans, which are recognized as main constituents in Justicia procumbens, have attracted considerable attention due to their pharmacological activities, including antitumor, anti-hepatitic, cytotoxic, anti-microbial, and anti-virus properties ...
Peijuan Zhou, Qijun Luo, Lijian Ding, Fang Fang, Ye Yuan, Juanjuan Chen, Jinrong Zhang, Haixiao Jin, Shan He   +8 more
doaj   +1 more source

Molecular descriptor driven QSPR modeling of Papp, TEER and Efflux Ratio from Caco‐2 cells using machine learning for various phytochemicals

Journal of the Science of Food and Agriculture, Volume 106, Issue 11, Page 6606-6616, 30 August 2026.
Abstract BACKGROUND The present study aimed to develop and validate quantitative structure–property relationship (QSPR) models for predicting permeability related bioavailability indicators including apparent permeability (Papp), trans‐epithelial electrical resistance (TEER) and efflux ratio (ER) based on molecular descriptors (n = 5003) of 83 ...
Jin‐Woo Kim, Rixing Cong, Jin‐Soo Park, Keunwan Park, Kyungsu Kang, Soon‐Mi Shim   +5 more
wiley   +1 more source

HetCA/STOCSY‐Guided Dereplication of Artemisia arborescens Reveals Furofuran Lignans with Antileishmanial Effects

ChemMedChem, Volume 21, Issue 15, 14 August 2026.
Bioactive metabolites can remain hidden in negligible activity extracts. A statistical spectroscopy–driven dereplication workflow integrating the HeteroCovariance Approach (HetCA) and Statistical Total Correlation Spectroscopy (STOCSY) prioritized furofuran lignans in Artemisia arborescens, identifying three compounds with moderate antileishmanial ...
Olga Karoutzou, Stavros Beteinakis, Olga Koutsoni, Despina Smirlis, Maria Halabalaki, Leandros Alexios Skaltsounis, Emmanuel Mikros   +6 more
wiley   +1 more source

The One‐Step Synthesis of Biologically Active Isochromans from Lignin‐Derived Aromatic Monomers in Tunable Deep Eutectic Solvents

Chemistry – A European Journal, Volume 32, Issue 30, 13 August 2026.
A straightforward one‐step protocol enables the synthesis of bio‐based and biologically active isochromans through the Oxa‐Pictet cyclization involving diverse aldehydes, including vanillin in combination with lignin‐derivable homovanillyl alcohol, a prominent aromatic platform chemical obtainable via diol‐assisted fractionation of lignocellulose ...
Anjali Kottayi, Anastasiia M. Afanasenko, Antonio A. Castillo‐Garcia, Walid A. M. Elgaher, Jörg Haupenthal, Anna K. H. Hirsch, Katalin Barta   +6 more
wiley   +1 more source

Two Dibenzylbutyrolactol Derivatives and Other Chemical Constituents from Aristolochia peltato-deltoidea

Journal of the Brazilian Chemical Society, 1999
The hexane extract from the aerial parts of Aristolochia peltato-deltoidea Hoehne (Aristolochiaceae) afforded two new epimeric lignans of the type dibenzylbutyrolactol, rel-(8R, 8?S, 9S)-3,4-dimethoxy-3?,4?-methylenedioxy-9beta-ethoxy- and rel-(8R, 8?S ...
Silva Ana Paula Freitas da, Palmeira Júnior Sebastião Ferreira, Conserva Lucia Maria, Guilhon Giselle Maria S. Pinheiro   +3 more
doaj  

Pinus pinea L. Periderm as a Sustainable Source of Phenolic Bioactives: Integrated Phytochemical, Antioxidant, and Elemental Investigation

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
A hydroalcoholic extract from the renewable periderm of Pinus pinea is characterized through integrated phytochemical, biological and elemental analyses. The extract exhibits a phenolic‐rich composition, significant antioxidant activity and preliminary protection against oxidative stress in SH‐SY5Y cells, while elemental profiling indicates low levels ...
Vlad Sebastian Popescu, Fabjola Bilo, Eileen Mac Sweneey, Laura Borgese, Gregorio Peron, Giulia Abate, Andrea Mastinu   +6 more
wiley   +1 more source

Eco‐Friendly Extraction and Valorization of Cucumis metuliferus E. Mey. ex Naud. Peel and Pulp: Optimization of Phenolic Recovery and Evaluation of Biological Activities

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
An optimized ultrasound‐assisted extraction (UAE) approach maximizes the recovery of polyphenols from Cucumis metuliferus peel and pulp. Characterized via HPLC–DAD, these bioactive extracts exhibit strong antioxidant, anti‐inflammatory, and antimicrobial activities, showcasing their promising potential as high‐value, health‐promoting natural agents ...
Wala Ben Amor, Hajer Riguene, Wissal Ayouni, Sinine Choura, Mohamed Chamkha, Chaima Mouffouk, Soumia Mouffouk, Hamada Haba, Ridha Ben Salem, Ghayth Rigane   +9 more
wiley   +1 more source

Predicting Gut Microbiome Diversity and Core Species From the Urine Metabolome

MedComm, Volume 7, Issue 9, September 2026.
Yu Lin, Jiaqi Zhu, Alessia Visconti, Kari Wong, Gregory Michelotti, Tim D. Spector, Mario Falchi, Ana M. Valdes, Panayiotis Louca, Cristina Menni   +9 more
wiley   +1 more source

Ethnopharmacological Evaluation of a Wild Ecotype of Syzygium cumini (L.) Skeels (Jamoya) Fruit

Chemistry &Biodiversity, Volume 23, Issue 8, August 2026.
The phytochemical and biological activity of Syzygium cumini (ecotype) fruit pulp and seed extracts using GC‐MS, UHPLC‐QTOF‐MS, and antidiabetic potential. ABSTRACT The wild ecotype of Jamun (Syzygium cumini) is known for its inedible fruits that are not yet explored for their bioactive potential. The present study assesses the ethnopharmacological and
Ritu Sharma, Umesh Pal, Jay Krishna Singh, Meenakshi Tanwar, Rajinder K. Gupta   +4 more
wiley   +1 more source