Evaluation of nutritional composition and in vitro antioxidant and antibacterial activities of Codium intricatum Okamura from Ilocos Norte (Philippines)

Issue Date

9-2020

Abstract

The nutritional composition of an edible green seaweed Codium intricatum Okamura was evaluated, including its potential antioxidant and antibacterial properties. Results showed elemental distribution to be in decreasing order of Na > K > Ca > Mg > Fe > Mn > Pb > Zn > Cu > Cd > Cr. Proximate composition of C. intricatum showed high ash and carbohydrate content with estimated value of 37.16 ± 0.21% and 32.16 ± 0.29% respectively. Relative antioxidant efficiency of C. intricatum exerted radical scavenging activity in a concentration-dependent manner with EC50 value of 40.79 ± 0.015 mg GAE/ml. The tested algal extract exhibited radical scavenging activity that is correlated positively and dose-dependent to its phenolic concentration. Methanol extract of C. intricatum showed an extended spectrum of inhibitory activity against Gram-positive drug-resistant bacterium, Methicillin-Resistant Staphylococcus aureus (MRSA) with MIC and MBC of 250.00 and 500.00 μg/ml, respectively. It was moderately active against Penicillin-acylase producing Bacillus cereus and Listeria monocytogenes, each with MIC of 250 μg/ml. Minimum bactericidal concentration of 1000 μg/ml was observed for each of the test organisms. However, no inhibitory effect was observed among the tested Gram-negative bacterial pathogens. This study presented the nutritional profile and functional properties of C. intricatum, which make it a good alternative source of compounds possessing diverse bioactivities with prospective usage in the pharmaceutical and food industries.

Source or Periodical Title

Jordan Journal of Biological Sciences

ISSN

1995-6673

Volume

13

Issue

3

Page

375-382

Document Type

Article

Physical Description

graphs, tables, references

Language

English

Subject

Antioxidant activity, Biological activity, Codium intricatum, Ilocos norte, Polyphenols, Proximate analysis, Seaweed

Digital Copy

yes

En – AGROVOC descriptors

ANTIOXIDANT ACTIVITY; BIOLOGICAL ACTIVITY; CODIUM INTRICATUM; ILOCOS NORTE; POLYPHENOLS; PROXIMATE ANALYSIS; SEAWEED

Link to Full Text

Share

COinS