Kajian fito-kimia dan aktiviti hidrofilik dan lipofilik antioksida untuk beberapa kulit buah

Translated title of the contribution: Phytochemical screening and activities of hydrophilic and lipophilic antioxidant of some fruit peels

Khairusy Syakirah Zulkifli, Noriham Abdullah, Aminah Abdullah, Nurain Aziman, Wan Saidatul Syida Wan Kamarudin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This study was conducted to screen the secondary metabolites compounds including alkaloids, tannins, saponins and flavonoids as well as to determine the antioxidant activities of four types of fruit peels namely Psidium guajava (guava), Mangifera indica (Chakonan mango), Citrus sinensis (Navel orange) and Malus sylvestris (Granny Smith apple). The hydrophilic and lipophilic antioxidant activities were investigated using three different assays such as Ferric Reducing Antioxidant Power (FRAP), 2, 2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity and Oxygen Radical Absorbance Capacity (ORAC). Total Phenolic Content (TPC) and Total Flavonoids Content (TFC) were also conducted and the correlations between the antioxidant assays with TPC and TFC were evaluated. The TPC in the peels extract ranged between 204.90 to 517.00 mg GAE/g extract weight while TFC ranged between 97.48 to 177.86 mg QE/g extract weight. The FRAP, EC50 scavenging activity and ORAC values were 18.78 to 45.36 mM TE/100g extract weight, 0.146 to 0.717 mg/ml scavenging effect and 37.54 to 60.59 μM TE/g extract weight respectively. The extract of M. indica peels appeared to be as potent as ascorbic acid with maximum inhibition of 74% at 200 ppm. M. indica peels showed highest value in all antioxidant assays and in TPC while the highest in TFC was found in M. sylvestris peels. There were strong correlations between all antioxidant assays with TPC but very weak correlations with TFC. This study suggested that the extracts of fruit peels are convenient to be use as functional ingredients in food product development as they are rich in antioxidant activities.

Original languageUndefined/Unknown
Pages (from-to)309-317
Number of pages9
JournalMalaysian Journal of Analytical Sciences
Volume16
Issue number3
Publication statusPublished - 2012

Fingerprint

Phytochemicals
Fruits
Screening
Antioxidants
Flavonoids
Assays
Scavenging
Reactive Oxygen Species
Tannins
Saponins
Metabolites
Alkaloids
Product development
Ascorbic Acid

Keywords

  • Antioxidant
  • Fruit peels
  • Hydrophilic
  • Lipophilic
  • Secondary metabolites

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Zulkifli, K. S., Abdullah, N., Abdullah, A., Aziman, N., & Kamarudin, W. S. S. W. (2012). Kajian fito-kimia dan aktiviti hidrofilik dan lipofilik antioksida untuk beberapa kulit buah. Malaysian Journal of Analytical Sciences, 16(3), 309-317.

Kajian fito-kimia dan aktiviti hidrofilik dan lipofilik antioksida untuk beberapa kulit buah. / Zulkifli, Khairusy Syakirah; Abdullah, Noriham; Abdullah, Aminah; Aziman, Nurain; Kamarudin, Wan Saidatul Syida Wan.

In: Malaysian Journal of Analytical Sciences, Vol. 16, No. 3, 2012, p. 309-317.

Research output: Contribution to journalArticle

Zulkifli, KS, Abdullah, N, Abdullah, A, Aziman, N & Kamarudin, WSSW 2012, 'Kajian fito-kimia dan aktiviti hidrofilik dan lipofilik antioksida untuk beberapa kulit buah', Malaysian Journal of Analytical Sciences, vol. 16, no. 3, pp. 309-317.
Zulkifli, Khairusy Syakirah ; Abdullah, Noriham ; Abdullah, Aminah ; Aziman, Nurain ; Kamarudin, Wan Saidatul Syida Wan. / Kajian fito-kimia dan aktiviti hidrofilik dan lipofilik antioksida untuk beberapa kulit buah. In: Malaysian Journal of Analytical Sciences. 2012 ; Vol. 16, No. 3. pp. 309-317.
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