{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,31]],"date-time":"2025-08-31T23:24:51Z","timestamp":1756682691707,"version":"3.41.2"},"reference-count":41,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,8,8]],"date-time":"2022-08-08T00:00:00Z","timestamp":1659916800000},"content-version":"vor","delay-in-days":219,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100005068","name":"Jimma University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005068","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:p>Pharmaceutical excipients derived from natural sources like resins are nowadays meritoriously used in the formulation of drugs. Resins of natural origin have many advantages over chemically synthesized substances; they are safer, nontoxic, less expensive, biodegradable, and widely available. To our knowledge, resins from plants have been not sufficiently explored for application in pharmaceutical formulations. Thus, in the present study, a resin isolated from <jats:italic>Boswellia rivae<\/jats:italic> Engl was characterized for its potential use as a pharmaceutical excipient. <jats:italic>Method<\/jats:italic>. The resin was extracted from the oleo gum resin of <jats:italic>Boswellia rivae<\/jats:italic> Engl, which involved the removal of volatile oils, gum, and Boswellic acid contents. The dried resin powder was then characterized for its micromeritic properties, heavy metal contents, moisture content, moisture absorption power, pH, solubility, swelling property, and acute toxicity profile. Moreover, the crystal nature and the chemical functionality of the resin were evaluated by using X\u2010ray diffraction and Fourier transform infrared spectrometry, respectively. <jats:italic>Results<\/jats:italic>. The yield of the neutral resin was 13.17%, and the powder was pale yellow and had irregular surfaces. The resin was freely soluble in organic solvents but almost insoluble in water. The moisture content of the dried extract was 2.5% while its moisture absorption capacity was 2.5%, 4%, and 5.47% at 40%, 60%, and 75% RH, respectively. Besides, the maximum swelling capacities of the resin observed were 40%, 37%, and 30% at 350C, 300C, and 250C, respectively. The bulk powder exhibited a 1.21 Hausner ratio, 36.497 angles of repose, and 17.03% Carr\u2019s index, indicating the fair flowability of the powder. Heavy metals such as zinc, chromium, and cobalt were detected at a low level while elements like copper, manganese, lead, and cadmium were absent. The X\u2010ray diffraction study revealed that the crystallinity index of the powder was 42.7% with a crystal size of 994.5A. The <jats:italic>Boswellia<\/jats:italic> resin could be safe in mice up to 3\u2009g\/kg of their body weight. In conclusion, the physicochemical properties of the resin powder investigated reveal its potential application as pharmaceutical additives in the formulation of modified release solid dosages forms like tablets and microcapsules.<\/jats:p>","DOI":"10.1155\/2022\/5791308","type":"journal-article","created":{"date-parts":[[2022,8,9]],"date-time":"2022-08-09T11:06:41Z","timestamp":1660043201000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Characterization of <i>Boswellia rivae<\/i> Engl Resin as a Potential Use for Pharmaceutical Excipient"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3245-4077","authenticated-orcid":false,"given":"Fanta","family":"Gashe","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Desta","family":"Assefa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shibiru","family":"Tesema","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gemechu","family":"Zeleke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ramanjireddy","family":"Tatiparthi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6531-2748","authenticated-orcid":false,"given":"Dereje","family":"Kebebe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3046-6760","authenticated-orcid":false,"given":"Sultan","family":"Suleman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,8,8]]},"reference":[{"key":"e_1_2_11_1_2","doi-asserted-by":"publisher","DOI":"10.1177\/0883911515601867"},{"key":"e_1_2_11_2_2","doi-asserted-by":"publisher","DOI":"10.3906\/kim-2001-56"},{"key":"e_1_2_11_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-5173(99)00176-3"},{"key":"e_1_2_11_4_2","doi-asserted-by":"publisher","DOI":"10.1081\/DDC-120025452"},{"key":"e_1_2_11_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2018.01.184"},{"key":"e_1_2_11_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-15-8127-4_40"},{"key":"e_1_2_11_7_2","article-title":"The past and future history of natural resins as coating materials in conservations","author":"Williams D. 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