Stability of polyhydroxylated 1,4-naphthoquinone pigment recovered from spines of sea urchin Strongylocentrotus nudus

Da Yong Zhou, Bei Wei Zhu, Xiao Dong Wang, Lei Qin, Dong Mei Li, Li Miao, Yoshiyuki Murata

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The stability of polyhydroxylated 1,4-naphthoquinone pigment recovered from sea urchin (Strongylocentrotus nudus) spines was observed by spectrophotometer. When pH values changed from 2.0 to 10.0, the pigment showed colour variations. Meanwhile, pH values affected the stability of the pigment. After 24h of storage, the pigment remained 95.64%, 79.68% and 46.15% of the initial absorbance at pH 3.0, 7.0 and 10.0, respectively. The pigment was prone to degrade on exposure to light. It remained 40.11% of the initial absorbance under natural light after 14days of storage. Whereas the corresponding value in the dark was 65.14%. Degradation rate of the pigment increased with increasing temperature. The pigment remained 90.49% of the initial absorbance at 20°C after 24h of storage. However, the corresponding value decreased to 66.61% at 80°C. Additives, including antioxidant, oxidising and reducing agents, and some metal ions all affected the stability of the pigment.

Original languageEnglish
Pages (from-to)1479-1486
Number of pages8
JournalInternational Journal of Food Science and Technology
Volume47
Issue number7
DOIs
Publication statusPublished - Jul 2012

Fingerprint

Strongylocentrotus
Strongylocentrotus nudus
naphthoquinones
Sea Urchins
Echinoidea
Pigments
Spine
pigments
Light
Reducing Agents
absorbance
Oxidants
Color
Antioxidants
Metals
Ions
Temperature
reducing agents
1,4-naphthoquinone
Spectrophotometers

Keywords

  • 4-naphthoquinone
  • Pigment
  • Polyhydroxylated 1
  • Sea urchin (Strongylocentrotus nudus)
  • Spines
  • Stability

ASJC Scopus subject areas

  • Food Science
  • Industrial and Manufacturing Engineering

Cite this

Stability of polyhydroxylated 1,4-naphthoquinone pigment recovered from spines of sea urchin Strongylocentrotus nudus. / Zhou, Da Yong; Zhu, Bei Wei; Wang, Xiao Dong; Qin, Lei; Li, Dong Mei; Miao, Li; Murata, Yoshiyuki.

In: International Journal of Food Science and Technology, Vol. 47, No. 7, 07.2012, p. 1479-1486.

Research output: Contribution to journalArticle

Zhou, Da Yong ; Zhu, Bei Wei ; Wang, Xiao Dong ; Qin, Lei ; Li, Dong Mei ; Miao, Li ; Murata, Yoshiyuki. / Stability of polyhydroxylated 1,4-naphthoquinone pigment recovered from spines of sea urchin Strongylocentrotus nudus. In: International Journal of Food Science and Technology. 2012 ; Vol. 47, No. 7. pp. 1479-1486.
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