Reactive oxygen species scavenging activity of Du-zhong (Eucommia ulmoides Oliv.) and its active compounds

G. C. Yen, Chiu-Lan Hsieh

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

The biologically active compounds and free radical-/or reactive oxygen species (ROS)-/scavenging effect of water extract from Du-zhong (WEDZ) were investigated. The WEDZ used included leaves, raw cortex, and roasted cortex. The hot water extract of Du-zhong leaves showed marked activity as a ROS scavenger, and the scavenging effect was concentration dependent. The extract of roasted cortex exhibited a modest scavenging effect on ROS, while the extract of raw cortex had the weakest scavenging effect. The scavenging activity of WEDZ on ROS was correlated to its protocatechuic acid (PCA) content. The content of PCA in Du-zhong determined by HPLC followed the order of leaves (17.17 mg/g) > roasted cortex (2.99 mg/g) > raw cortex (1.16 mg/g). The inhibitory activity of leaf extract of Du-zhong was stronger than that of PCA on the peroxidation of linoleic acid at the same concentration of 0.1 mg/mL. The results presented herein indicated that extract of Du-zhong could possibly act as a prophylactic agent to prevent free radical-related diseases.

Original languageEnglish
Pages (from-to)3431-3436
Number of pages6
JournalJournal of Agricultural and Food Chemistry
Volume48
Issue number8
DOIs
Publication statusPublished - 2000 Sep 19

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Eucommiaceae
Eucommia ulmoides
Scavenging
reactive oxygen species
Reactive Oxygen Species
cortex
extracts
protocatechuic acid
Water
Free Radicals
Linoleic Acid
leaves
water
peroxidation
water activity
leaf extracts
linoleic acid
High Pressure Liquid Chromatography

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

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title = "Reactive oxygen species scavenging activity of Du-zhong (Eucommia ulmoides Oliv.) and its active compounds",
abstract = "The biologically active compounds and free radical-/or reactive oxygen species (ROS)-/scavenging effect of water extract from Du-zhong (WEDZ) were investigated. The WEDZ used included leaves, raw cortex, and roasted cortex. The hot water extract of Du-zhong leaves showed marked activity as a ROS scavenger, and the scavenging effect was concentration dependent. The extract of roasted cortex exhibited a modest scavenging effect on ROS, while the extract of raw cortex had the weakest scavenging effect. The scavenging activity of WEDZ on ROS was correlated to its protocatechuic acid (PCA) content. The content of PCA in Du-zhong determined by HPLC followed the order of leaves (17.17 mg/g) > roasted cortex (2.99 mg/g) > raw cortex (1.16 mg/g). The inhibitory activity of leaf extract of Du-zhong was stronger than that of PCA on the peroxidation of linoleic acid at the same concentration of 0.1 mg/mL. The results presented herein indicated that extract of Du-zhong could possibly act as a prophylactic agent to prevent free radical-related diseases.",
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Reactive oxygen species scavenging activity of Du-zhong (Eucommia ulmoides Oliv.) and its active compounds. / Yen, G. C.; Hsieh, Chiu-Lan.

In: Journal of Agricultural and Food Chemistry, Vol. 48, No. 8, 19.09.2000, p. 3431-3436.

Research output: Contribution to journalArticle

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