Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Taxonomic Comparison, Antioxidant and Antibacterial Activities of Three Ecotypes of Ebenus pinnata Ait. (Fabaceae) from Algeria

Version 1 : Received: 17 July 2023 / Approved: 19 July 2023 / Online: 20 July 2023 (02:28:26 CEST)

A peer-reviewed article of this Preprint also exists.

Zemouri, T.; Chikhoune, A.; Benmouhoub, H.; Sahnoune, M. Taxonomic Comparison, Antioxidant and Antibacterial Activities of Three Ebenus pinnata Ait. ecotypes (Fabaceae) from Algeria. Horticulturae 2023, 9, 879. Zemouri, T.; Chikhoune, A.; Benmouhoub, H.; Sahnoune, M. Taxonomic Comparison, Antioxidant and Antibacterial Activities of Three Ebenus pinnata Ait. ecotypes (Fabaceae) from Algeria. Horticulturae 2023, 9, 879.

Abstract

The North African E. pinnata is not known as a traditional medicinal plant but modern research has revealed its extracts richness in anti-oxidants and components of medicinal value. Despite its wide distribution and medicinal value, the species remains taxonomically and phytochemically un-derstudied, especially in Algeria. Here we compare three ecotypes of E. pinnata from the humid, sub-humid and semi-arid areas. The comparison was carried out using classical techniques of multivariate plant morphology, pollen grains size and shape, chromosome numbers, pollen fer-tility, anti-oxidant and antibacterial activities. Significant differences were revealed for all criteria except pollen fertility and antibacterial activity. The semi-arid ecotype showed to be a remote group in relation to the two others except for pollen size where the remote group was the sub-humid ecotype. Pollen size appeared positively correlated with karyotype length. The results (mg GAE/g EXT) of the antioxidant activity tests of the “humid”, “sub-humid” and the “semi-arid” plant groups are as follows, respectively; TPC: 50.79±0.51, 52.04±1.05 and 56.89±0.46; DPPH: 71.18±2.24, 86.39±3.02 and 95.67±2.02; RP: 11.09±1.24, 17.21±0.75 and 25.88±0.26. The inhibition area diameter in the antibacterial activity test varied from 9.25±1.06 mm (Semi-arid plants vs Pseudo-monas aeruginosa) to 12.00±1.41 mm (Sub-humid plants vs Escherichia coli).

Keywords

Ebenus pinnata; climate; morphology; pollen; meiosis; chromosomes; antioxidants; antibacterial activity

Subject

Biology and Life Sciences, Ecology, Evolution, Behavior and Systematics

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