Si-Feng Yang, Lin-Wen Yi, Qiu-Xia Huang, Xing-Meng Luo, Xiao-Bing Su, Lin Hu, Wen-Ting Li, Xiang-Zhong Huang, Meng-Yuan Jiang
{"title":"Chemical constituents from the roots of <i>Illigera celebica</i>.","authors":"Si-Feng Yang, Lin-Wen Yi, Qiu-Xia Huang, Xing-Meng Luo, Xiao-Bing Su, Lin Hu, Wen-Ting Li, Xiang-Zhong Huang, Meng-Yuan Jiang","doi":"10.1080/14786419.2025.2509882","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509882","url":null,"abstract":"<p><p>Phytochemical research on the roots of <i>Illigera celebica</i> led to the isolation of a new aporphine alkaloid, cathafiline B (<b>1</b>), a new butanolide derivative, illigeralactone A (<b>7</b>), together with six known compounds, namely cathafiline (<b>2</b>), cassythincine (<b>3</b>), bulbocapine (<b>4</b>), actinodaphine (<b>5</b>), hernangerine (<b>6</b>) and isolincomolide D (<b>8</b>). The chemical composition of <i>I. celebica</i> was reported for the first time. Compounds <b>1-3</b>, <b>6</b> and <b>7</b> showed no α-glucosidase inhibition activity at 100 μg/mL.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-5"},"PeriodicalIF":1.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144143205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nabila Souilah, Nabila Adoui, Hamdi Bendif, Fatima Zohra Hechaichi, Hadjer Zaak, Ifriqya Medila, Abdulselam Ertaş, Mustafa Abdullah Yilmaz, Mehmet Öztürk, Gregorio Peron
{"title":"Comparative phenolic profiling and antioxidant activity of <i>Centaurea tougourensis</i> Boiss. & Reut. and <i>Centaurea dimorpha</i> Viv. from Algeria.","authors":"Nabila Souilah, Nabila Adoui, Hamdi Bendif, Fatima Zohra Hechaichi, Hadjer Zaak, Ifriqya Medila, Abdulselam Ertaş, Mustafa Abdullah Yilmaz, Mehmet Öztürk, Gregorio Peron","doi":"10.1080/14786419.2025.2509881","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509881","url":null,"abstract":"<p><p><i>Centaurea</i> L. plants are used in phytotherapy and as food. <i>C. tougourensis</i> (CT) and <i>C. dimorpha</i> (CD) are endemic of Algeria and have been scarcely studied up to now. Here, the phenolic content of their aerial parts was investigated using validated methods. Furthermore, the antioxidant properties of CT and CD were evaluated by performing DPPH, ABTS, FRAP, and phenanthroline assays. CD showed the highest total phenol (219.8 mg GAE/g) and total flavonoid (82.8 mg QE/g extract) contents. CT showed the highest flavonol content (46.3 mg QE/g). Chlorogenic acid, 4-OH-benzoic acid, and protocatechuic acid were the main compounds detected by LC-MS/MS. Several flavonoids were also detected in CD, while only hesperidin was detected in CT. Both the species showed antioxidant properties; however, radical scavenging activity and FRAP of CD were significantly higher than CT and were comparable with positive controls. Overall, this work affords a contribution to the characterisation and valorisation of the Algerian flora.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-8"},"PeriodicalIF":1.9,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144143213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Innovative hard tissue bone materials from natural sources: a study on silk sericin and ruthenium-based composites.","authors":"Senthil Rethinam","doi":"10.1080/14786419.2025.2509887","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509887","url":null,"abstract":"<p><p>The purpose of this study was to develop a technique for synthesising hard tissue bone materials (HDBM) using natural components. The HDBM was created with SSP, CaCO<sub>3</sub>, and Ru, mixed with deionised water, and compared to standard implants. Mechanical, physicochemical, and biocompatibility tests were conducted to assess the HDBM. The surface of HDBM was characterised before and after exposure to simulated body fluids. The HDBM showed high mechanical properties, with a compressive strength of 42.43 ± 0.29 MPa and an elongation at break of 31.62% ± 0.69%. Bioactivity tests indicated effective calcium and phosphate deposition on the HDBM. Biocompatibility was assessed using the MTT assay with MG63 (human osteoblast cell line), which revealed increased cell viability on the HDBM. The HDBM demonstrated desirable strength, biocompatibility, and bone mineralisation qualities, indicating its potential for use in large animal models pending necessary permits.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-8"},"PeriodicalIF":1.9,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ali A El Gamal, Shaza M Al-Massarani, Lena W M Abdelmageed, Omer A Basudan, Md Tabish Rehman, Mohamed F AlAjmi, Maged S Abdel-Kader, Mehtab Parveen, Mohamed M Hefnawy
{"title":"New iridoids and phenolic glycosides from <i>nuxia congesta</i> R.Br. ex Fresen with potential inhibitors of SARS-CoV-2 main protease and spike RBD: an <i>in silico</i> approach.","authors":"Ali A El Gamal, Shaza M Al-Massarani, Lena W M Abdelmageed, Omer A Basudan, Md Tabish Rehman, Mohamed F AlAjmi, Maged S Abdel-Kader, Mehtab Parveen, Mohamed M Hefnawy","doi":"10.1080/14786419.2025.2509883","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509883","url":null,"abstract":"<p><p>The aerial parts of <i>Nuxia congesta</i> R.Br. ex Fresen were chromatographically purified, yielding five new compounds: two iridoids (<b>1</b>,<b>2</b>), one phenylpropanoid glycoside (<b>3</b>), and two rhamnosyl esters (<b>4</b>,<b>5</b>). The compounds were characterised <i>via</i> NMR and HRESIMS. The isolated compounds inhibitory action towards the COVID-19 major protease (M<sup>pro</sup>) and receptor-binding domain (RBD) enzymes was evaluated. Comparative molecular docking and binding free energy analyses were conducted based on the binding affinities of the ligand binding domains of the therapeutic targets Mpro and RBD. The results indicated that all compounds effectively interacted with the binding sites of M<sup>pro</sup> and RBD receptors, exhibiting a greater affinity for the M<sup>pro</sup> receptor. The binding energy to M<sup>pro</sup> ranged between -7.8 and -8.1 kcal/mol, however for RBD receptors it ranged from -7.0 to -7.3 kcal/mol. This research supports the efficacy of isolated compounds as antiviral medications, especially in the context of COVID-19.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-11"},"PeriodicalIF":1.9,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ifeoluwa T Oyeyemi, Ifeoluwa T Ajayi, Enivwenaye E W Nabofa
{"title":"<i>Jatropha tanjorensis</i> J.L.Ellis & Saroja inhibited carbon tetrachloride-induced fibrogenesis in Wistar rats.","authors":"Ifeoluwa T Oyeyemi, Ifeoluwa T Ajayi, Enivwenaye E W Nabofa","doi":"10.1080/14786419.2025.2509137","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509137","url":null,"abstract":"<p><p><i>Jatropha tanjorensis</i> has been employed to treat various diseases. This study aimed to investigate the mode of action of <i>J. tanjorensis</i> against liver fibrogenesis induced by carbon tetrachloride (CCl<sub>4</sub>). Liver fibrosis was induced in male Wistar rats by exposing them to CCl<sub>4</sub> for nine weeks. From weeks 7 to 9, <i>J. tanjorensis</i> extract was administered. The study evaluated the activities of antioxidant enzymes and lipid peroxidation (LPO) levels, expression of TGFβ1 and fibrosis-associated proteins, and liver histology. <i>J. tanjorensis</i> significantly increased the depleted antioxidant activities induced by CCl<sub>4</sub> while significantly reducing the elevated LPO levels caused by CCl<sub>4</sub>. Furthermore, it downregulated the upregulation of TGFβ1 and fibrosis-associated proteins induced by CCl<sub>4</sub> and mitigated the liver lesions and collagen deposits resulting from CCl<sub>4</sub> exposure. Overall, <i>J. tanjorensis</i> alleviated liver injury and fibrogenesis by exerting its antioxidant effect and inhibition of TGFβ1.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-8"},"PeriodicalIF":1.9,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144136409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
C S Keerthana, Rozy Kumari, Muskan Beura, Sumit Sharan, Susheel Kumar Sharma, Ananta Ganjoo, Anil Dahuja, Veda Krishnan
{"title":"Unveiling the glucan profile: a comparative study of Lion's Mane and Shiitake mushrooms.","authors":"C S Keerthana, Rozy Kumari, Muskan Beura, Sumit Sharan, Susheel Kumar Sharma, Ananta Ganjoo, Anil Dahuja, Veda Krishnan","doi":"10.1080/14786419.2025.2509142","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509142","url":null,"abstract":"<p><p>Mushrooms are rich in bioactive polysaccharides, particularly α- and β-glucans, renowned for their immunomodulatory properties. The present study optimised the cultivation methods and quantified α-, β-, and total glucan from <i>Hericium erinaceus</i> (Lion's Mane) and <i>Lentinula edodes</i> (Shiitake) mushrooms. Shiitake exhibited an α-glucan content ranging from 0.806% to 5.521%, with the highest at 5.521% (DMRO-356), approximately 8.2 times higher than Lion's Mane (HE-TC), which had 0.673%. For β-glucans, Shiitake strains showed a range of 13.433-26.190%, with the highest value at 26.190% (DMRX-2022) which was 1.5-fold higher than HE-TC at 17.442%. The findings emphasise Indian Shiitake strains' remarkable α and β-glucan content and their potential as immune-boosting supplements. Incorporating these mushrooms into commercial products and health supplements requires more research on their bioavailability and health advantages.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-4"},"PeriodicalIF":1.9,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nghia Ai Thi Doan, Hanh Nhu Thi Hoang, Anh Tuan Le, Hoai Thi Nguyen, Thi Hong Van Le, Duc Viet Ho
{"title":"Anti-inflammatory and anti-proliferative activities of secondary metabolites isolated from the leaves of <i>Gymnosporia chevalieri</i>.","authors":"Nghia Ai Thi Doan, Hanh Nhu Thi Hoang, Anh Tuan Le, Hoai Thi Nguyen, Thi Hong Van Le, Duc Viet Ho","doi":"10.1080/14786419.2025.2509886","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509886","url":null,"abstract":"<p><p>A new triterpenoid, 3,4-seco-29-hydroxyfriedelan-3-oic acid (<b>1</b>), was obtained from the leafy parts of <i>Gymnosporia chevalieri</i>, along with eighteen previously identified compounds. These included four pentacyclic triterpenoids (<b>2</b>-<b>5</b>), two carotenoids (<b>6</b> and <b>7</b>), one flavanol dimer (<b>8</b>), nine flavonoids (<b>9</b>-<b>17</b>), one megastigmane glycoside (<b>18</b>), and one pentose (<b>19</b>). A combination of spectroscopic techniques was employed for structural identification. Thirteen isolates (<b>2</b>, <b>4</b>, <b>7</b>-<b>12</b>, <b>14</b>, <b>15</b> and <b>17</b>-<b>19</b>) showed inhibitory activity in the macrophage NO production model, with IC<sub>50</sub> values in the range (13.0 and 95.2 µM). Compound <b>14</b> had the most potent effect (IC<sub>50</sub> = 13.0 µM), which was comparable to that of dexamethasone. Compounds <b>1</b>, <b>3</b> and <b>6</b> exerted pronounced anti-proliferative effects against Hep-G2, A549 and MCF-7 cell lines with IC<sub>50</sub> values in the range (9.3 and 23.6 µM). This is the first phytochemical investigation of <i>G. chevalieri</i>.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-10"},"PeriodicalIF":1.9,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"(±)-Rhodaulision A and B, two pairs of meroterpenoids from branches and leaves of <i>Rhododendron dauricum</i> L. and their anti-osteoarthritis activity.","authors":"Bei Wang, Wei Liu, Qiming Lu, Liang Xiang","doi":"10.1080/14786419.2025.2509297","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509297","url":null,"abstract":"<p><p>Two pairs of meroterpenoids, (±)-rhodaulision A (<b>1</b>) and B (<b>2</b>) and 8 known compounds [2,7-dimethyl-2-(4-methylpent-3-enyl)-2-chromen-5-ol (<b>3</b>), cannabiorcichromenic acid (<b>4</b>), ranhuadujuanine C (<b>5</b>), ranhuadujuanine D (<b>6</b>), grifolin (<b>7</b>), ilicicolinic acid B (<b>8</b>), anthoponoid H (<b>9</b>), and anthoponoid I (<b>10</b>)] were isolated and identified from the dichloromethane extracts of <i>Rhododendron dauricum</i> L. Meanwhile, extensive spectroscopic methods, NMR and ECD calculations, as well as MS analysis were employed to elucidate the structures of <b>1</b> and <b>2</b>. Subsequently, compounds <b>1-10</b> exhibited a powerful inhibition of osteoclast genesis with an <i>in vitro</i> ratio of more than 90% at 10 μM.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-6"},"PeriodicalIF":1.9,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of monoterpenes on digestive enzymatic activities and some constituents involved in intermediary metabolism of <i>Trogoderma granarium</i> (Everts) (Coleoptera: Dermestidae).","authors":"Meriem Soltani, Ibtissem Fatima Zahra Abes, Mouatez Djabri, Rifka Mahieddine, Chafia Saadi, Fouzia Tine-Djebbar, Samir Tine, Noureddine Soltani","doi":"10.1080/14786419.2025.2507818","DOIUrl":"https://doi.org/10.1080/14786419.2025.2507818","url":null,"abstract":"<p><p>Our study aims to evaluate the repellency and fumigant toxicity profiles of 3 essential oil components (EOCs) namely Limonene, Menthol and Linalool against <i>Trogoderma granarium</i> last instar larvae. Limonene is the most toxic chemical tested. Various parameters are examined, including digestive enzymes, enzymes of intermediary metabolism (alanine aminotransferase (ALT), alkaline phosphatase (ALP) and aspartate transaminase (AST)), and oxidative stress biomarker (esterase). The results highlight the insecticidal efficacy and repellent activity of three EOCs, which is correlated with the applied concentrations and the exposure time. Furthermore, the biochemical analyses indicate that the treatment significantly decreases the activity of digestive enzymes such as protease, α-amylase, chitinase and lipase, and triglyceride levels. The specific activity of enzymes related to intermediary metabolism reveals an increase in the level of ALT, ALP and AST in treated <i>T. granarium</i> larvae compared to controls. Finally, EOCs also increase the esterase activity in treated larvae compared to controls.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-13"},"PeriodicalIF":1.9,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"<i>Phyllosticta capitalensis</i>: a novel source of Guignardone A, a high-affinity ligand for penicillin-binding proteins.","authors":"Dhilna Sunny Chingath, Usha Bhagirathan, Leyon Varghese","doi":"10.1080/14786419.2025.2509879","DOIUrl":"https://doi.org/10.1080/14786419.2025.2509879","url":null,"abstract":"<p><p>Endophytic fungi from <i>Pleurolobus gangeticus</i> were isolated, clone purified, identified and subjected to liquid state fermentation. Ethyl acetate extracts of the fermentation product was prepared for antibacterial testing against gram-negative and gram-positive bacteria. Out of the four endophytes isolated, <i>Phyllosticta capitalensis</i> (DLa) showed strong antibacterial activity in the disc diffusion assay with maximum zone of inhibition (27.3 ± 0.6 mm). DLa also had a very low value for Minimum Inhibitory Concentration (10 µg/mL) against all the tested bacteria, indicating its strong broad-spectrum activity. The phytochemical characterisation of DLa showed a meroterpenoid named Guignardone A and three Cyclic dipeptides. <i>In silico</i> studies indicated strong binding affinity between Guignardone A and various penicillin-binding proteins (PBP1, PBP2, PBP2a, PBP3, PBP4 and PBP5) of the above tested bacteria. Further studies are ongoing for optimising the fermentation conditions of <i>P. capitalensis</i> for the enhanced production of Guignardone A.</p>","PeriodicalId":18990,"journal":{"name":"Natural Product Research","volume":" ","pages":"1-6"},"PeriodicalIF":1.9,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144120347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}