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Biological Activities of Barringtonia Racemosa (Lecythidaceae) and the Quantitative Analysis of Phenolic Acids And Flavonoids Present in the Various Bioactive Extracts of the Species

Nurul Mariam Hussin-2009-01-01-Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia)

TL;DRAbstract

Barringtonia racemosa (Family Lecythidaceae) posses several bioactivities and is used in traditional medicine of Malaysia. However, its antioxidant, antimicrobial, anti-inflammatory and allelopathic activities investigation are still lacking. The aims of this study were therefore to determine those biological activities of methanolic, ethanolic and hot water leaf, stem and bark extracts of B. racemosa and quantitative analysis of phenolic acids and flavonoids present in the various bioactive extracts of the species. The methanolic and ethanolic extracts of bark showed strong free radical scavenging activity (89.23 ± 0.40 and 91.35 ± 0.89 %) and this was even higher than butylated hydroxytoluene (BHT), ascorbic acid and α-tocopherol (antioxidant standards). The results also showed that all methanolic extracts (leaf, stem, and bark; 84.47 ± 0.05, 84.41 ± 0.28 and 84.03 ± 0.03 %) and ethanolic extracts of leaf and bark (82.58 ± 0.06 and 88.21 ± 0.06 %), respectively had similarly strong r

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Barringtonia racemosa (Family Lecythidaceae) posses several bioactivities and is used in traditional medicine of Malaysia. However, its antioxidant, antimicrobial, anti-inflammatory and allelopathic activities investigation are still lacking. The aims of this study were therefore to determine those biological activities of methanolic, ethanolic and hot water leaf, stem and bark extracts of B. racemosa and quantitative analysis of phenolic acids and flavonoids present in the various bioactive extracts of the species. The methanolic and ethanolic extracts of bark showed strong free radical scavenging activity (89.23 ± 0.40 and 91.35 ± 0.89 %) and this was even higher than butylated hydroxytoluene (BHT), ascorbic acid and α-tocopherol (antioxidant standards). The results also showed that all methanolic extracts (leaf, stem, and bark; 84.47 ± 0.05, 84.41 ± 0.28 and 84.03 ± 0.03 %) and ethanolic extracts of leaf and bark (82.58 ± 0.06 and 88.21 ± 0.06 %), respectively had similarly strong r

Keywords

AntioxidantBark (sound)Traditional medicineAscorbic acidButylated hydroxytolueneChemistryAntimicrobialFood science

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