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Role of Stearic Acid as the Crystal Habit Modifier in Candelilla Wax-Groundnut Oil Oleogels

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dc.abstract.enThis study investigated the effects of incorporating stearic acid (SAC) in candelilla wax (CW) and groundnut oil (GO) oleogel with potential health benefits as an alternative to saturated fats in processed foods. Results showed that SAC possesses crystal habit-modifying properties on the oleogels, causing its average crystallite size to increase, as observed through polarized light microscopy and XRD analysis. Additionally, SAC caused an increase in ordering within the crystallite network as a result of the decrease in d-spacing. Interestingly, the firmness of the oleogels remained unaffected, even at a higher fraction of SAC. It is believed to be due to the interference caused by the crystallization of high-melting SAC within the fine crystal network of CW-GO oleogel. However, adding 3 mg of SAC significantly increased the work of the shear of the oleogel (SAC3), which decreased the spreadability. As observed through colorimetric analysis, SAC3 showed a dense and uniform distribution of prominent bright crystals with minimal amorphous regions, leading to a high whiteness index. SAC3 also demonstrated the highest compactness and dislocation density among the oleogels, likely due to the formation of prominent crystals. However, SAC did not affect the overall oleogel crystallization rate. SAC3 had delayed secondary crystallization and thermal equilibrium by having a prolonged crystallization time of CW crystals. In the case of controlled delivery studies, the addition of SAC improved CPCR. On the other hand, CPCR decreased with the increase in SAC amount, where SAC3 showed a moderate curcumin release ability among the oleogels.
dc.affiliationWydział Nauk o Żywności i Żywieniu
dc.affiliation.instituteKatedra Fizyki i Biofizyki
dc.contributor.authorChaturvedi, Diksha
dc.contributor.authorBharti, Deepti
dc.contributor.authorDhal, Somali
dc.contributor.authorSahu, Deblu
dc.contributor.authorBehera, Haladhar
dc.contributor.authorSahoo, Minaketan
dc.contributor.authorKim, Doman
dc.contributor.authorJarzębski, Maciej
dc.contributor.authorAnis, Arfat
dc.contributor.authorMohanty, Biswaranjan
dc.contributor.authorSagiri, Sai S.
dc.contributor.authorPal, Kunal
dc.date.access2025-06-10
dc.date.accessioned2025-09-18T12:41:34Z
dc.date.available2025-09-18T12:41:34Z
dc.date.copyright2023-10-12
dc.date.issued2023
dc.description.abstract<jats:p>This study investigated the effects of incorporating stearic acid (SAC) in candelilla wax (CW) and groundnut oil (GO) oleogel with potential health benefits as an alternative to saturated fats in processed foods. Results showed that SAC possesses crystal habit-modifying properties on the oleogels, causing its average crystallite size to increase, as observed through polarized light microscopy and XRD analysis. Additionally, SAC caused an increase in ordering within the crystallite network as a result of the decrease in d-spacing. Interestingly, the firmness of the oleogels remained unaffected, even at a higher fraction of SAC. It is believed to be due to the interference caused by the crystallization of high-melting SAC within the fine crystal network of CW-GO oleogel. However, adding 3 mg of SAC significantly increased the work of the shear of the oleogel (SAC3), which decreased the spreadability. As observed through colorimetric analysis, SAC3 showed a dense and uniform distribution of prominent bright crystals with minimal amorphous regions, leading to a high whiteness index. SAC3 also demonstrated the highest compactness and dislocation density among the oleogels, likely due to the formation of prominent crystals. However, SAC did not affect the overall oleogel crystallization rate. SAC3 had delayed secondary crystallization and thermal equilibrium by having a prolonged crystallization time of CW crystals. In the case of controlled delivery studies, the addition of SAC improved CPCR. On the other hand, CPCR decreased with the increase in SAC amount, where SAC3 showed a moderate curcumin release ability among the oleogels.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if2,8
dc.description.number5
dc.description.points20
dc.description.versionfinal_published
dc.description.volume7
dc.identifier.doi10.3390/chemengineering7050096
dc.identifier.issn2305-7084
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4928
dc.identifier.weblinkhttp://www.mdpi.com/2305-7084/7/5/96
dc.languageen
dc.relation.ispartofChemEngineering
dc.relation.pagesart. 96
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enoleogels
dc.subject.enstearic acid
dc.subject.encandelilla wax
dc.subject.encrystal habit modifier
dc.subject.encrystallization
dc.subject.enself-assembly
dc.titleRole of Stearic Acid as the Crystal Habit Modifier in Candelilla Wax-Groundnut Oil Oleogels
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume7