Total phenolic content and antioxidant activities of date fruit extracts

Noorul Syuhada Mohd Razali, Beh Wenyin, Ranuka Dewi Arjunan, Haslaniza Hashim, Aminah Abdullah

Research output: Contribution to journalArticle

Abstract

Dates (Phoenix dactylifera L.) are nutrient-rich fruit consumed worldwide in a raw form or processed value-added products such as paste, syrup and energy bars. Dates are considered as functional food or ingredient due to its nutrients which derived from carbohydrate, lipids, protein, vitamin, mineral and phytochemical compounds, contributing to their potential antioxidant activities. However, the antioxidant properties of dates found in the local market are not widely available in the scientific literature, thus merits investigation. The objective of this study is to determine the total phenol content (TPC) and antioxidant activities (DPPH scavenging activity, oxygen radical absorbance capacity (ORAC) and ferric reducing antioxidant power (FRAP)) of five dates varieties namely Khalas, Deglet Noor, Lulu, Khenaizi and Medjool. The results showed TPC, ORAC and FRAP values for Lulu and Khenaizi were significantly (p<0.05) higher than Khalas, Deglet Noor and Medjool. Meanwhile, Deglet Noor, Lulu and Khenaizi significantly (p<0.05) possessed greater DPPH scavenging activities as compared to Khalas and Medjool. There was a significant (p<0.05) correlation (r) between the TPC and ORAC (r=0.952) and FRAP (r=0.987) suggesting that phenolic compounds may contribute to the overall antioxidant activity of the dates.

Original languageEnglish
Pages (from-to)103-108
Number of pages6
JournalMalaysian Applied Biology
Volume48
Issue number2
Publication statusPublished - 1 May 2019

Fingerprint

Phoenix dactylifera
fruit extracts
oxygen radical absorbance capacity
Fruit
Antioxidants
antioxidant activity
phenol
antioxidants
Phenol
value-added products
syrups
nutrients
dates (fruit)
functional foods
phytopharmaceuticals
vitamins
phenolic compounds
ingredients
Literature
Food

Keywords

  • Antioxidant activity
  • Dates
  • Total phenolic content

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

Cite this

Mohd Razali, N. S., Wenyin, B., Arjunan, R. D., Hashim, H., & Abdullah, A. (2019). Total phenolic content and antioxidant activities of date fruit extracts. Malaysian Applied Biology, 48(2), 103-108.

Total phenolic content and antioxidant activities of date fruit extracts. / Mohd Razali, Noorul Syuhada; Wenyin, Beh; Arjunan, Ranuka Dewi; Hashim, Haslaniza; Abdullah, Aminah.

In: Malaysian Applied Biology, Vol. 48, No. 2, 01.05.2019, p. 103-108.

Research output: Contribution to journalArticle

Mohd Razali, NS, Wenyin, B, Arjunan, RD, Hashim, H & Abdullah, A 2019, 'Total phenolic content and antioxidant activities of date fruit extracts', Malaysian Applied Biology, vol. 48, no. 2, pp. 103-108.
Mohd Razali NS, Wenyin B, Arjunan RD, Hashim H, Abdullah A. Total phenolic content and antioxidant activities of date fruit extracts. Malaysian Applied Biology. 2019 May 1;48(2):103-108.
Mohd Razali, Noorul Syuhada ; Wenyin, Beh ; Arjunan, Ranuka Dewi ; Hashim, Haslaniza ; Abdullah, Aminah. / Total phenolic content and antioxidant activities of date fruit extracts. In: Malaysian Applied Biology. 2019 ; Vol. 48, No. 2. pp. 103-108.
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