Abstract
Shrimp processing waste is the single largest industrial waste in Tunisia causing diverse environmental problems. Extraction of astaxanthin from the shell waste of the deep-water pink shrimp (Parapenaeus longirostris) was investigated. A hight astaxanthin yield was obtained using acetone (72.42 µg/g). Thin layer chromatographic separation of carotenoid extracts from P. longirostris yielded three distinct bands. The Rf values for the three bands were respectively 0.33, 0.60, 0.80 which corresponded to astaxanthin, astaxanthin monoester and astaxanthin diester.
The antioxidant activities of astaxanthin at different concentrations were evaluated using various in vitro antioxidant assays, including 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, reducing power, β-carotene bleaching and DNA nicking assays. Interestingly, astaxanthin extract showed strong antioxidant activity. The radical scavenging activities and reducing powers of astaxanthin were close to and even better than those of the synthetic antioxidant BHA. The astaxanthin extract from shrimp shell waste exhibited high inhibition of β-carotene bleaching and also showed a well DNA protection against degradation by hydroxyl radicals. The anti-proliferative activity of the astaxanthin extract was also investigated. The inhibition concentration (CI50) of proliferation of tumor cells of human laryngeal carcinoma (Hep 2 cells) was 300 µg astaxanthin /ml.
Keywords: Antioxidant activity, antiproliferative activity, astaxanthin, Parapenaeus longirostris, shrimp waste.
The Natural Products Journal
Title:Antioxidant and Anti-proliferative Activities of Astaxanthin Extracted from the Shell Waste of Deep-water Pink Shrimp (Parapenaeus longirostris)
Volume: 3 Issue: 2
Author(s): Assaad Sila, Yosra Ayed-Ajmi, Nadhem Sayari, Moncef Nasri, Oscar Martinez-Alvarez and Ali Bougatef
Affiliation:
Keywords: Antioxidant activity, antiproliferative activity, astaxanthin, Parapenaeus longirostris, shrimp waste.
Abstract: Shrimp processing waste is the single largest industrial waste in Tunisia causing diverse environmental problems. Extraction of astaxanthin from the shell waste of the deep-water pink shrimp (Parapenaeus longirostris) was investigated. A hight astaxanthin yield was obtained using acetone (72.42 µg/g). Thin layer chromatographic separation of carotenoid extracts from P. longirostris yielded three distinct bands. The Rf values for the three bands were respectively 0.33, 0.60, 0.80 which corresponded to astaxanthin, astaxanthin monoester and astaxanthin diester.
The antioxidant activities of astaxanthin at different concentrations were evaluated using various in vitro antioxidant assays, including 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, reducing power, β-carotene bleaching and DNA nicking assays. Interestingly, astaxanthin extract showed strong antioxidant activity. The radical scavenging activities and reducing powers of astaxanthin were close to and even better than those of the synthetic antioxidant BHA. The astaxanthin extract from shrimp shell waste exhibited high inhibition of β-carotene bleaching and also showed a well DNA protection against degradation by hydroxyl radicals. The anti-proliferative activity of the astaxanthin extract was also investigated. The inhibition concentration (CI50) of proliferation of tumor cells of human laryngeal carcinoma (Hep 2 cells) was 300 µg astaxanthin /ml.
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Sila Assaad, Ayed-Ajmi Yosra, Sayari Nadhem, Nasri Moncef, Martinez-Alvarez Oscar and Bougatef Ali, Antioxidant and Anti-proliferative Activities of Astaxanthin Extracted from the Shell Waste of Deep-water Pink Shrimp (Parapenaeus longirostris), The Natural Products Journal 2013; 3 (2) . https://dx.doi.org/10.2174/2210315511303020002
DOI https://dx.doi.org/10.2174/2210315511303020002 |
Print ISSN 2210-3155 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-3163 |
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