{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T03:18:02Z","timestamp":1780715882004,"version":"3.54.1"},"reference-count":61,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T00:00:00Z","timestamp":1759881600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"NIH-NCCIH","award":["U19AT010829"],"award-info":[{"award-number":["U19AT010829"]}]},{"name":"NIH-NCCIH","award":["S10OD026922"],"award-info":[{"award-number":["S10OD026922"]}]},{"name":"NIH","award":["U19AT010829"],"award-info":[{"award-number":["U19AT010829"]}]},{"name":"NIH","award":["S10OD026922"],"award-info":[{"award-number":["S10OD026922"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Background\/objectives: A water extract of the plant Centella asiatica (CAW) has been shown to improve cognitive deficits in aged mice when administered for 5 weeks in drinking water. However, the contribution of the constituent compounds within CAW to the beneficial effects of the extract remains unelucidated. This study evaluated the effects of triterpene (TT) and caffeoylquinic acids (CQA) found within CAW, on learning, cognitive flexibility, memory, and anxiety-like behaviors in aged C57BL6 mice. Methods: Eighteen-month-old male and female C57BL6 mice were administered either TT, CQA, or the combination (TT+CQA) in their drinking water for a total of 5 weeks, at concentrations corresponding to their presence in CAW. During the final two weeks of treatment learning, executive function, memory, and anxiety were assessed. Results: Aged mice of both sexes showed significant improvement in learning when treated with TT and CQA separately and in combination. Treatment with TT also improved cognitive flexibility in aged mice of both sexes, but CQA and the combination of TT+CQA did not alter cognitive flexibility in aged male mice. There was no effect on recognition memory or anxiety in any of the treatment groups (TT, CQA, TT+CQA) relative to mice treated with the vehicle control although there was a trend towards improved recognition memory with TT treatment. Conclusions: These results suggest that the TT and CQA present in CAW likely contribute to its previously reported amelioration of age-related cognitive changes, especially in learning and cognitive flexibility, while other constituents may be responsible for CAW\u2019s anxiolytic effects.<\/jats:p>","DOI":"10.3390\/nu17193171","type":"journal-article","created":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T08:22:08Z","timestamp":1759911728000},"page":"3171","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Triterpene and Caffeoylquinic Acid Constituents Contribute to the Cognitive-Enhancing, but Not Anxiolytic, Effects of a Water Extract of Centella asiatica in Aged Mice"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-9589-0244","authenticated-orcid":false,"given":"Wyatt","family":"Hack","sequence":"first","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Neurology, Oregon Health & Science University, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucas","family":"Kuhnau","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Neurology, Oregon Health & Science University, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jesus","family":"Martinez","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Neurology, Oregon Health & Science University, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8117-8246","authenticated-orcid":false,"given":"Luke C.","family":"Marney","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6376-3089","authenticated-orcid":false,"given":"Jaewoo","family":"Choi","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Linus Pauling Institute, Oregon State University, Corvallis, OR 97331, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arshia R.","family":"Sohal","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Neurology, Oregon Health & Science University, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9321-6502","authenticated-orcid":false,"given":"Seiji","family":"Koike","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"School of Public Health, Oregon Health & Science University, Portland, OR 97201, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thuan","family":"Nguyen","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"School of Public Health, Oregon Health & Science University, Portland, OR 97201, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claudia S.","family":"Maier","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Chemistry, Oregon State University, Corvallis, OR 97331, USA"},{"name":"Linus Pauling Institute, Oregon State University, Corvallis, OR 97331, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1569-6453","authenticated-orcid":false,"given":"Amala","family":"Soumyanath","sequence":"additional","affiliation":[{"name":"BENFRA Botanical Dietary Supplements Research Center, Oregon Health & Science University, Portland, OR 97239, USA"},{"name":"Department of Neurology, Oregon Health & Science University, Portland, OR 97239-3098, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nora 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