Investigating the effect of in vitro gastrointestinal digestion on the stability, bioaccessibility, and biological activities of baobab (Adansonia digitata) fruit polyphenolics

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dc.contributor.authorIsmail, Balarabe B.
dc.contributor.authorGuo, Mingming
dc.contributor.authorPu, Yunfeng
dc.date.accessioned2023-10-09T17:25:18Z
dc.date.available2023-10-09T17:25:18Z
dc.date.issued2021
dc.description.abstractBaobab (Adansonia digitata) fruit had received growing attention for its myriad nutritional and medicinal benefits, including those from its polyphenol-rich profile and powerful antioxidant activity. The current study evaluated the bioaccessibility of phenolic constituents and antioxidant capacity of baobab fruit pulp (BFP) and its byproduct, the baobab fruit shell (BFS), upon in vitro digestion. In general, the in vitro digestion reduced phenolic contents and antioxidant capacity; however, several flavonoids, particularly quercetin, proanthocyanidin, proanthocyanidins B1 and B2 were highly bioaccessible. Specifically, a significant increase in the bioaccessibility of proanthocyanidins (173%) in BFS was observed following gastric digestion, possibly due to hydrolysis of proanthocyanidin isomers. Moreover, a significantly higher bioaccessibility of proanthocyanidin B2 (170%) and quercetin (304%) in BFP, and proanthocyanidin (363%) in BFS was also observed following intestinal digestion probably due to pancreatin effect on the complex food matrix or the depolymerisation of insoluble proanthocyanidin and quercetin conjugates induced by the increase in pH. A considerable α-amylase and α-glucosidase inhibition in all samples (>50% inhibition) were observed following the in vitro digestion. Hence, both BFP and BFS are good sources of bio accessible polyphenolics that could be utilised as ingredients in functional foods.en_US
dc.description.sponsorshipCDA/ DRYLAND AGRICen_US
dc.identifier.issn0023-6438
dc.identifier.urihttp://hdl.handle.net/123456789/2183
dc.language.isoenen_US
dc.publisherLWTen_US
dc.relation.ispartofseriesLWT;Volume 145, 2021
dc.subjectBaobab fruit pulpen_US
dc.subjectIn vitro digestionen_US
dc.subjectPhenolic constituentsen_US
dc.subjectAntioxidant capacityen_US
dc.subjectBioaccessibilityen_US
dc.subjectOsman Çavuşen_US
dc.subjectKhadijah Abdulkadir Ayuben_US
dc.subjectACE: Dryland Agricultureen_US
dc.subjectCDA/ DRYLAND AGRICen_US
dc.subjectBayero University, Kanoen_US
dc.subjectNigeriaen_US
dc.titleInvestigating the effect of in vitro gastrointestinal digestion on the stability, bioaccessibility, and biological activities of baobab (Adansonia digitata) fruit polyphenolicsen_US
dc.typeArticleen_US
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