Tilia sp. seed oil—composition, antioxidant activity and potential use
ID Poljšak, Nina (Author), ID Kočevar Glavač, Nina (Author)

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Research on new, untapped seed oil sources is receiving increased attention. In this study, 18 different seed samples of Tilia cordata and Tilia platyphyllos from various locations in Slovenia were collected and oil was extracted. The compositions of triglyceride fatty acids and unsaponifiable compounds were determined using GC-MS, while antioxidant activity was evaluated using the DPPH method. The oil content in the seeds varied significantly, from 9.1% to 21.7%. Linoleic acid (50–60%) was found to be the predominant fatty acid, followed by oleic acid (18–22%) and palmitic acid (8–9%). Characteristic cyclopropene fatty acids (sterculic, dihydrosterculic and malvalic acids) were present in the average range of 4–8.4%. Antioxidant activity ranged from 8.9% to 65.5%, and was higher, on average, for T. platyphyllos. Higher antioxidant activity was closely correlated with higher γ-tocopherol contents. Statistically significant correlations were confirmed between antioxidant activity and γ-tocopherol, between ∆-tocopherol and phytol, between stigmasterol and β-sitosterol and between squalene and malvalic acid. Tilia oil may be of great interest for cosmetic and dermal preparations. It is, however, not considered a good source of dietary fatty acids due to the undesired, significant content of omega-6 fatty acids.

Keywords:vegetable oil, fatty acids, unsaponifiables, antioxidant activity, Tilia sp.
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FFA - Faculty of Pharmacy
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:10 str.
Numbering:Vol. 11, iss. 11, art. 4932
PID:20.500.12556/RUL-135630 This link opens in a new window
ISSN on article:2076-3417
DOI:10.3390/app11114932 This link opens in a new window
COBISS.SI-ID:80877315 This link opens in a new window
Publication date in RUL:22.03.2022
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Record is a part of a journal

Title:Applied sciences
Shortened title:Appl. sci.
COBISS.SI-ID:522979353 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.06.2021

Secondary language

Keywords:rod lip, maščobne kisline, antioksidativno delovanje, rastlinsko olje, lipa (drevo), rastlinsko olje


Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P1-0208
Name:Farmacevtska kemija: načrtovanje, sinteza in vrednotenje učinkovin

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