Differential contribution of antioxidants to antioxidative functions in galls evaluated by grey system theory

Meng Yuan Huang*, Ming Huang Hsu, Wen Dar Huang, Pei Jr Chen, Yung Ta Chang, Pi Yu Chao, Chi Ming Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The contents of five antioxidants and the abilities of four antioxidative functions were determined in eight insect galls and their six host plants leaves. The grey relational order indicated that scavenging DPPH free radicals ability was strongly related to polyphenols and carotenoids, chelating ferrous ions activity strongly related to anthocyanins and polyphenols, superoxide anion scavenging activity related to polyphenols and flavonoids, and reducing power related to carotenoids and polyphenols. The preference order evaluated by grey decision making for antioxidative capacity was Schlechtendalia Chinensis (gall) > Daphnephila sueyenae (gall) > Unknown sp. 2 (gall) > Daphnephila taiwanensis (Gall) > Bruggmanniella sp. (gall) > Ceratovacuna nekoashi (gall) > Styrax suberifolia (leaf) > Sycopsis sinensis (leaf) > Styrax formosana (leaf) > Unknown sp. 1 (gall) > Litsea acuminata (leaf) > Machilus thunbergii (leaf) > Pseudoregma bambucicola (gall) > Ficus erecta var. beechyana (leaf). The contents of polyphenols were the most relevant to the antioxidant ability, and that of chlorophylls is the less. The galls had higher antioxidative capacity than their host leaves to scavenge free radicals effectively for balancing the increases of free radicals in their bodies.

Original languageEnglish
Pages (from-to)359-370
Number of pages12
JournalJournal of Grey System
Issue number4
Publication statusPublished - 2012


  • Antioxidant
  • Antioxidative capacity
  • Gall
  • Grey decision making
  • Grey relational analysis
  • Host plant

ASJC Scopus subject areas

  • Modelling and Simulation
  • Statistics, Probability and Uncertainty
  • Control and Optimization
  • Applied Mathematics


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