{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T14:06:43Z","timestamp":1774274803566,"version":"3.50.1"},"reference-count":78,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T00:00:00Z","timestamp":1774224000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key R&D Program of China","doi-asserted-by":"publisher","award":["2022YFD1600200"],"award-info":[{"award-number":["2022YFD1600200"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>Phenolamides in bee pollen exhibit notable bioactivities, such as antioxidant, anti-inflammatory, and antimicrobial effects. Ulcerative colitis (UC) is a prevalent intestinal disorder, while the potential effects of phenolamides on UC remain unclear. This study aims to investigate the effects and mechanisms of phenolamide extract (PAE) from apricot bee pollen on dextran sulfate sodium (DSS)-induced UC in mice. Firstly, we analyzed the main compounds of PAE. Mice were treated with PAE (100, 200, and 400 mg\/kg bw) both during the 7 days preceding 2.5% DSS induction and throughout the induction period (7 days). The results show that the primary compounds of PAE were isomers of tri-p-coumaroyl spermidine (97.78 \u00b1 2.76%). A biochemical analysis showed that PAE decreased the levels of pro-inflammatory cytokines and increased the activities of antioxidant enzymes. Regarding the gut microbiota, PAE reduced the Bacillota\/Bacteroidota ratio. Additionally, PAE elevated beneficial bacteria, including norank_f_Muribaculaceae, norank_o_Clostridia_UCG-014, and Lachnospiraceae_NK4A136_group, while reducing harmful bacteria, including Escherichia-Shigella, Clostridium, and Romboutsia. A quantitative analysis of short-chain fatty acids (SCFAs) demonstrated that PAE intervention promotes the biosynthesis of SCFAs in UC mice. This study first demonstrates that PAE attenuates DSS-induced colitis by modulating gut microbiota and SCFAs, suggesting its potential as a functional dietary supplement for colitis.<\/jats:p>","DOI":"10.3390\/antiox15030403","type":"journal-article","created":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T13:07:06Z","timestamp":1774271226000},"page":"403","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Phenolamide Extract of Apricot Bee Pollen Alleviates DSS-Induced Ulcerative Colitis in Mice by Reducing Oxidative Stress, Modulating Inflammation, and Regulating Gut Microbiota"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0007-6236-2735","authenticated-orcid":false,"given":"Wei","family":"Liu","sequence":"first","affiliation":[{"name":"College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China"},{"name":"Wuhan Engineering Research Center of Bee products on Quality and Safety Control, Wuhan 430070, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rui","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China"},{"name":"Wuhan Engineering Research Center of Bee products on Quality and Safety Control, Wuhan 430070, China"},{"name":"Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yihang","family":"Han","sequence":"additional","affiliation":[{"name":"College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China"},{"name":"Wuhan Engineering Research Center of Bee products on Quality and Safety Control, Wuhan 430070, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China"},{"name":"Wuhan Engineering Research Center of Bee products on Quality and Safety Control, Wuhan 430070, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qun","family":"Lu","sequence":"additional","affiliation":[{"name":"College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China"},{"name":"Wuhan Engineering Research Center of Bee products on Quality and Safety Control, Wuhan 430070, China"},{"name":"Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan 430070, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1016\/S2468-1253(19)30333-4","article-title":"The global, regional, and national burden of inflammatory bowel disease in 195 countries and territories, 1990\u20132017: A systematic analysis for the Global Burden of Disease Study 2017","volume":"5","author":"Alatab","year":"2020","journal-title":"Lancet Gastroenterol. 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