Phenolic Contents and Antioxidant Activity of Jojoba (Simmondsia chinensis (Link). Schindler

Year 2017, Volume: 4 Issue: 2, 142 - 147, 01.07.2017

Yeşim Kara

https://doi.org/10.21448/ijsm.309538

Cited By: 4

Abstract

The ethanol and methanol extracts of Jojoba (Simmondsia chinensis (Link). Schnider)  leaves and seeds were
screened for antioxidant activity. The antioxidative potential of ethanol and
methanol extracts of Jojoba (Simmondsia
chinensis) were investigated for the first time using DPPH
2,2-diphenyl-1-picrylhdrazyl, total phenolic contents, antioxidant activity.
Total phenolic substance amounts were calculated according to Folin-Ciocalteu
method, substance concentrations in mg/GAE g, equivalent to gallic acid based
on mg/ml gallic acid equivalent (GAE). The phenolic substance amounts in the leaves
extracts (jojoba leaves: 313 mg/g GAE). Free radical clearance
activities of the extracts were determined by using DPPH free radical. The
Phenolic substances were calculated in highest jojoba leaves and lowest jojoba
seeds. When DPPH radical clearance activity results were analyzed, it was seen
that the highest activity was exhibited by jojoba leaf extract (% 43.20, 0.5
mg/ml concentration). The antioxidant activities of extracts were calculated in
(nmol/g) via ascorbic acid system. When the activity scores are analyzed,
higher scores were found in the ethanol extracts of jojoba leaves. The
antioxidant activity was lower in the extracts with methanol.

Keywords

Phenolic contents, Antioxidant, Jojoba, leaves, seeds

Phenolic Contents and Antioxidant Activity of Jojoba (Simmondsia chinensis (Link). Schindler

Abstract

The ethanol and methanol extracts of Jojoba (Simmondsia chinensis (Link). Schnider) leaves and seeds were screened for antioxidant activity. The antioxidative potential of ethanol and methanol extracts of Jojoba (Simmondsia chinensis) were investigated for the first time using DPPH 2,2-diphenyl-1-picrylhdrazyl, total phenolic contents, antioxidant activity. Total phenolic substance amounts were calculated according to Folin-Ciocalteu method, substance concentrations in mg/GAE g, equivalent to gallic acid based on mg/ml gallic acid equivalent (GAE). The phenolic substance amounts in the leaves extracts (jojoba leaves: 313 mg/g GAE). Free radical clearance activities of the extracts were determined by using DPPH free radical. The Phenolic substances were calculated in highest jojoba leaves and lowest jojoba seeds. When DPPH radical clearance activity results were analyzed, it was seen that the highest activity was exhibited by jojoba leaf extract (% 43.20, 0.5 mg/ml concentration). The antioxidant activities of extracts were calculated in (nmol/g) via ascorbic acid system. When the activity scores are analyzed, higher scores were found in the ethanol extracts of jojoba leaves. The antioxidant activity was lower in the extracts with methanol.

Keywords

Phenolic contents, Antioxidant, Jojoba, leaves, seeds

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