Preparation of deodorized antioxidant rich extracts from 15 selected spices through optimized aqueous extraction

Kim Wei Chan, Shahid Iqbal, Nicholas M H Khong, Abd. Salam Babji

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

An aqueous deodorized extraction process with the promising yield ranging from 8.2 to 44.8% of antioxidants from 15 most commonly used spices are presented. Total phenolic content (TPC) ranged from 4.4 to 315.3 mg GAE/g extract. EC50 by DPPH radical scavenging activity and ferric reducing antioxidant power (FRAP) ranged over 0.254 to 19.944 and 0.110 to 15.878 mg/ml, respectively. TPC was found in strong correlation with antioxidant activities of spice extracts. Flavonoids and saponin were detected in cinnamon bark and clove buds extracts through phytochemicals screening tests; both showing the highest TPC and antioxidant activity (P<0.05) among all the spices, but lower than standard natural antioxidant (ascorbic acid) and standard synthetic antioxidant (BHA/BHT, 50/50).

Original languageEnglish
Pages (from-to)6067-6075
Number of pages9
JournalJournal of Medicinal Plant Research
Volume5
Issue number25
Publication statusPublished - 9 Nov 2011

Fingerprint

Spices
spices
Antioxidants
antioxidants
extracts
antioxidant activity
water
cinnamon
cloves
saponins
Cinnamomum zeylanicum
phytopharmaceuticals
Butylated Hydroxyanisole
Syzygium
Butylated Hydroxytoluene
bark
flavonoids
ascorbic acid
buds
Saponins

Keywords

  • Antioxidant activity
  • Deodorized aqueous extraction
  • Phenolic content
  • Phytochemicals screening
  • Spices

ASJC Scopus subject areas

  • Pharmacology
  • Complementary and alternative medicine
  • Drug Discovery
  • Plant Science
  • Pharmaceutical Science

Cite this

Preparation of deodorized antioxidant rich extracts from 15 selected spices through optimized aqueous extraction. / Chan, Kim Wei; Iqbal, Shahid; Khong, Nicholas M H; Babji, Abd. Salam.

In: Journal of Medicinal Plant Research, Vol. 5, No. 25, 09.11.2011, p. 6067-6075.

Research output: Contribution to journalArticle

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