Antioxidative activities and flavonoids contents in leaves of selected mangrove species in Setiu Wetlands extracted using different solvents

Shamsul Bahri Abd Razak, . and Zamzahaila Mohd Zin, . and Kasawani Ibrahim, . and Mohamad Khairi Zainol, . and Nur Hafizah Malik, . Antioxidative activities and flavonoids contents in leaves of selected mangrove species in Setiu Wetlands extracted using different solvents. pp. 14-22. ISSN 1823-8556

Mangrove plant possess special properties and are an important source of nutritional and medicinal uses. Several mangrove species from Setiu wetland were analysed and compared for their antioxidant activity value. Different solvents namely methanol water and hexane were used for the antioxidant activity extraction. DPPH was used to measure the antioxidant activity as well as the Total Phenolic and Total Flavonoid content. Total flavonoid content varied from 25.67 0.06 mg QE/g to 37.90 4.76 mg QE/g for each of the species. Total phenolic content ranged from 2.39 4.97 mg GAE/g to 64.28 3.05 mg GAE/g.The scavenging activity DPPH indicated that B. sexangula holds the highest antioxidant activity for both methanol and water extraction samples with 99.33 and 99.28 respectively. Mangrove leaves extract exhibit high total flavonoids and phenolics contents along with strong scavenging activity. It is hoped that the results of this study will be beneficial in contributing towards food industry and perhaps might invoke further research on understanding the different antioxidant mechanisms.

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Abstract

Mangrove plant possess special properties and are an important source of nutritional and medicinal uses. Several mangrove species from Setiu wetland were analysed and compared for their antioxidant activity value. Different solvents namely methanol water and hexane were used for the antioxidant activity extraction. DPPH was used to measure the antioxidant activity as well as the Total Phenolic and Total Flavonoid content. Total flavonoid content varied from 25.67 0.06 mg QE/g to 37.90 4.76 mg QE/g for each of the species. Total phenolic content ranged from 2.39 4.97 mg GAE/g to 64.28 3.05 mg GAE/g.The scavenging activity DPPH indicated that B. sexangula holds the highest antioxidant activity for both methanol and water extraction samples with 99.33 and 99.28 respectively. Mangrove leaves extract exhibit high total flavonoids and phenolics contents along with strong scavenging activity. It is hoped that the results of this study will be beneficial in contributing towards food industry and perhaps might invoke further research on understanding the different antioxidant mechanisms.

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Item Type:	Article
AGROVOC Term:	Antioxidants
AGROVOC Term:	Flavonoids
AGROVOC Term:	Mangroves
AGROVOC Term:	Bruguiera
AGROVOC Term:	Rhizophora apiculata
AGROVOC Term:	Avicennia
AGROVOC Term:	morphology
AGROVOC Term:	Extraction
AGROVOC Term:	Absorbance
AGROVOC Term:	Solvents
Geographical Term:	Malaysia
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	28 Apr 2025 07:08
URI:	http://webagris.upm.edu.my/id/eprint/24206

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