Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Diversity in Fruit Phytochemical Composition among Lagenaria siceraria Landraces

Version 1 : Received: 27 June 2023 / Approved: 28 June 2023 / Online: 28 June 2023 (09:54:10 CEST)

How to cite: Buthelezi, L.G.; Mavengahama, S.; Sibiya, J.; Mchunu, C.N.; Ntuli, N.R. Diversity in Fruit Phytochemical Composition among Lagenaria siceraria Landraces. Preprints 2023, 2023061985. https://doi.org/10.20944/preprints202306.1985.v1 Buthelezi, L.G.; Mavengahama, S.; Sibiya, J.; Mchunu, C.N.; Ntuli, N.R. Diversity in Fruit Phytochemical Composition among Lagenaria siceraria Landraces. Preprints 2023, 2023061985. https://doi.org/10.20944/preprints202306.1985.v1

Abstract

Lagenaria siceraria (Molina) Standley is a food and medicinal plant with a wide range of applica-tions including anti-proliferative, anti-fertility, anti-HIV and anti-cancerous. The current study investigated the phytochemical constituents of L. siceraria fruits using gas chromatog-raphy/mass spectrometry (GC-MS). GC-MS analysis of L. siceraria n-hexane fruits revealed five isoprenoids which were present in all investigated landraces, 1-Dodecene, 2,3-Dimethyldodecane, E-15-Heptadecenal, Eicosane and Tridecane, 6-propyl. Bioactive molecules with a lower carbon number on their chemical structure such as 1-Dodecene and 2,3-Dimethyldodecane with 12 and 14 carbon structures were recorded at a shorter retention rate range of 9.08-16.29 min over a lower relative peak area ranging from 1.09-6.97 %. While com-pounds with longer carbon chains ranging from 16-20 carbons (E-15-Heptadecenal, Eicosane and Tridecane, 6-propyl) had longer retention rate range of 13.42-18.00 mins over a higher relative peak area range of 2.25-11.41%. An agglomerative hierarchical cluster analysis grouped landrac-es into 5 clusters (I -V). Landraces were clustered according to their fruit and seed attributes, and isoprenoid units significant to each cluster. The majority of phytochemicals revealed were terpenoids, these are responsible for attracting pollinators, fruit growth, palatability and attrac-tive aromatic scents. This is the most comprehensive study on the n-hexane fruit phytochemical constituents of different L. siceraria landraces to date.

Keywords

medicinal plant; bioactive molecules; terpenoids; GC-MS

Subject

Biology and Life Sciences, Biochemistry and Molecular Biology

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