2022
DOI: 10.1155/2022/6367663
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Valorization of Moroccan Pistacia lentiscus L. Leaves: Phytochemical and In Vitro Antioxidant Activity Evaluation Compared to Different Altitudes

Abstract: This study examined the secondary metabolite content and the antioxidant activities of hydromethanolic P. lentiscus L. leaves extracts at different altitudes. The results indicated that the contents of polyphenols and flavonoids were significantly ( p ≤ 0.05 ) high in the low altitude, unlike the Chl (chlorophyll), tannins, and ascorbic acid, which were reported to have higher c… Show more

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Cited by 5 publications
(3 citation statements)
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“…Te in vitro antioxidant activity performed on the plant extracts has shown a remarkable ability to neutralize free radicals DPPH, IC 50 � 0.0027 ± 0.002 mg/mL (Figure 3 and Table 3), which is explained by the existence of a high amount of ascorbic acid in extract as Hadini et al reported [33]. Furthermore, the presence of many diferent natural antioxidant components such as phenols, favonoids, and tannins in the plant extract, as already mentioned by the investigation of Bouakline et al in which the antioxidant activity of the hydroacetonic leaf extract, using the DPPH assays, was tested experimentally and confrmed theoretically by the interaction energy among DPPH and gallic acid, catechin, and quercetin [26]; to support the result of the present study, Yosr et al [34] announced about this ability of Pistacia lentiscus extracts, whereas they found that IC 50 � 5.7 ± 0.5 μg/mL.…”
Section: Antioxidant Activitymentioning
confidence: 81%
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“…Te in vitro antioxidant activity performed on the plant extracts has shown a remarkable ability to neutralize free radicals DPPH, IC 50 � 0.0027 ± 0.002 mg/mL (Figure 3 and Table 3), which is explained by the existence of a high amount of ascorbic acid in extract as Hadini et al reported [33]. Furthermore, the presence of many diferent natural antioxidant components such as phenols, favonoids, and tannins in the plant extract, as already mentioned by the investigation of Bouakline et al in which the antioxidant activity of the hydroacetonic leaf extract, using the DPPH assays, was tested experimentally and confrmed theoretically by the interaction energy among DPPH and gallic acid, catechin, and quercetin [26]; to support the result of the present study, Yosr et al [34] announced about this ability of Pistacia lentiscus extracts, whereas they found that IC 50 � 5.7 ± 0.5 μg/mL.…”
Section: Antioxidant Activitymentioning
confidence: 81%
“…Theoretically, the calculations approved the result obtained. On the toxicity side, Remila [ 32 ] proved that although the extract concentration reached 100 μ g/mL, no toxicity was observed, in addition to the antioxidant aspect expressed, to the fact that these extracts contain high levels of vitamin C, as reported earlier by Hadini [ 33 ] since the amount of vitamin C has reached approximately 22 mg ascorbic acid per 1 g of dried matter of the extract. Hence, the main aims of this research involve elucidating the chemical composition of the hydroacetonic extract obtained from Pistacia lentiscus leaves and quantifying its total phenolic and flavonoid contents.…”
Section: Introductionmentioning
confidence: 80%
“…7,8 These bioactive secondary metabolites has the capacity to neutralize free radicals, thus effectively protecting the cells and tissues from the damaging effect of oxidative stress due to excessive free radicals. [34][35][36] The observed elevation-related increase in antioxidant activity of the essential oils of E. globulus leaves can be attributed to the adaptive response of E. globulus to stressful environmental conditions, including increased ultraviolet radiation and other altitude-associated stressors. The results from the present study corroborate the findings from previous research which showed the role of altitude in chemical compositions of plants, and consequently their biological activities.…”
Section: Antioxidant Activitymentioning
confidence: 99%