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Study of Genetic Variability of Mastic Tree (Pistacia lentiscus L.) in Moroccan Areas – Macro-Biochemical Characterization

Bouta Wassila, El Rasafi Taoufik, Bouda Said, Haddioui Abdelmajid

Ecological Engineering & Environmental Technology

2024

Vol. 25, iss. 3

43--50

This study focuses on the characterization of the macro-biochemical composition of leaves of Pistacia lentiscus L. from 11 natural populations in Morocco, in order to allow genetic differentiation of this species. This characterization of the studied population allows research and identification of the most informative markers and analysis of relatedness between populations and their origin sites. The results of ANOVA showed that there were significant differences (p = 0.05) in total sugar content, dry matter content and fiber content between the studied populations. Organic matter, dry matter and total nitrogen contents were positively and significantly correlated with energy values (r = 0.92 and 0.962). In contrast, negative significant correlations were found between dry matter, minerals, fat content and carbohydrates (r = -0.217, -0.379). The results of principal component analysis showed that the 11 studied populations were dispersed among four groups, regardless of their geographical proximity. This grouping is confirmed by hierarchical classification.

Phytochemical, Anti-Inflammatory and Antioxidant Activities of Pistacia lentiscus L. Leaves from Ajdir, Al Hoceima Province, Morocco

Labhar Amina, Benamari Omar, El-Mernissi Yahya, Salhi Amin, Ahari Mhamed, El Barkany Soufiane, Amhamdi Hassan

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 7

172--177

Pistacia lentiscus L. (PL) is a shrub belonging to the Anacardiaceae family, used in traditional medicine to treat various disorders in the Commune of Ajdir from Al Hociema province. The conducted study focused on determination of the polyphenols and flavonoids contents by spectrophotometric and in vitro evaluation of the antioxidant and anti-inflammatory capacity. Determining total polyphenols shows the aqueous extract with a higher concentration of 125.04±0.01 mg EAG/g ES, followed by the ethanolic extract of 108.16±0.02 mg EAG/g ES. Determination of flavonoids revealed that the hexanoic extract contains a maximum of flavonoids with a level of 90.60±0.01 mg EQ/g ES. The antioxidant activity of different extracts was determined through two methods: DPPH and FRAP. Aqueous and ethanolic extracts showed a high antioxidant capacity. Further, regarding anti-inflammatory activity, the ethanolic extract has good activity inhibition (92.65±0.67) followed by aqueous extract (94±0.29) at 1000 μg/mL concentration. This study found that the ethanolic extracts from PL leaves are a powerful natural antioxidant and effective anti-inflammatory agent. The results indicate the extract’s effectiveness and highlight the importance of medicinal plants from the Commune of Ajdir.