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Int. J. Mol. Sci. 2018, 19(9), 2726; https://doi.org/10.3390/ijms19092726

Investigation of the Antioxidant Capacity, Insecticidal Ability and Oxidation Stability of Chenopodium formosanum Seed Extract

1
School of Public Health, College of Public Health and Nutrition, Taipei Medical University, Taipei 11031, Taiwan
2
Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
3
Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
*
Author to whom correspondence should be addressed.
Received: 23 August 2018 / Revised: 10 September 2018 / Accepted: 10 September 2018 / Published: 12 September 2018
(This article belongs to the Section Bioactives and Nutraceuticals)
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Abstract

To maximize the extraction of antioxidants from Chenopodium formosanum seeds, the process factors, such as the ethanol concentration (0–100%), extraction time (30–180 min) and temperature (30–70 °C), for the extraction of the bioactive contents as well as the antioxidant capacity are evaluated using response surface methodology (RSM). The experimental results fit well with quadratic models. The extract was identified by GC/MS, and it was found that some active compounds had antioxidant, repellency and insecticidal activities. Various concentrations of the extract were prepared for the evaluation of the insecticidal activity against Tribolium castaneum, and the toxicity test results indicated that the extract was toxic to Tribolium castaneum, with an LC50 value of 354.61 ppm. The oxidative stability of the olive oil determined according to the radical scavenging activity and p-anisidine test demonstrates that the extract obtained from the Chenopodium formosanum seeds can retard lipid oxidation. View Full-Text
Keywords: antioxidant; insecticidal; heat oxidation; Chenopodium formosanum; optimization antioxidant; insecticidal; heat oxidation; Chenopodium formosanum; optimization
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Chuang, K.-J.; Chen, Z.-J.; Cheng, C.-L.; Hong, G.-B. Investigation of the Antioxidant Capacity, Insecticidal Ability and Oxidation Stability of Chenopodium formosanum Seed Extract. Int. J. Mol. Sci. 2018, 19, 2726.

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