Efficacy of Malaysian Plant Extracts in Preventing Peroxidation Reactions in Model and Food Oil Systems

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概要

• 論文の詳細を見る

• A study was conducted to investigate the antioxidative behaviour of the crude extracts of pegaga (Centella asiatica) leaves, and limau purut (Citrus hystrix) leaves, peels, and stems in palm olein system and in a linoleic acid model system. The antioxidative capacities of these local plants were then compared to the activity of rosemary and sage, two types of antioxidant commonly found in the market. From the analysis using Oxigen Consumption Method, it was found that among the samples evaluated, pegaga leaves had the longest time to reach the 50% oxygen in the chamber, with 90 min, meaning that this sample had the highest level of antioxidative activity. This was followed by the extracts of limau purut leaves (85 min), peels (60 min), and stems (39 min). The antioxidative activities of these plants, however, were lower than those of rosemary and sage. These commercial antioxidants were found to have 155 and 145 min time, respectively, to reach the 50% oxygen in the chamber. Results from differential scanning calorimetry (DSC) analysis showed that addition of pegaga leaves and limau purut samples to the oil in the system reduced the oxidation as evidenced by longer To of antioxidants-treated samples. Statistical analysis from this study showed that there was no significant difference between To of pegaga leaves and those of rosemary and sage. This meant that the antioxidative activity of pegaga leaves was comparable to the activities of rosemary and sage. The antioxidative activities of limau purut leaves, peels and stems were also much higher than that of control. The finding from this study indicated that all samples used in this study had very good potential to be explored as sources of natural antioxidants.

• 日本油化学会の論文
• 2004-11-01

著者

• HASSAN Torla

  Faculty of Science, International Islamic University Malaysia

• Said Mohd

  Department Of Biotechnology Faculty Of Science International Islamic University Malaysia

• Hassan Torla

  Department Of Computational And Theoritical Science Faculty Of Science International Islamic Univers

• Jaswir Irwandi

  Department Of Biotechnology Faculty Of Science International Islamic University Malaysia

• Jaswir Irwandi

  Department Of Biotechnology Engineering Faculty Of Engineering International Islamic University Mala

関連論文

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• Physico-Chemical Stability of Flaxseed Oil with Natural Antioxidant Mixtures during Heating
• Synergistic Effect of Rosemary, Sage and Citric Acid on Fatty Acid Retention of Heated Flaxseed Oil
• Efficacy of Malaysian Plant Extracts in Preventing Peroxidation Reactions in Model and Food Oil Systems
• Determination of Lard in Mixture of Body Fats of Mutton and Cow by Fourier Transform Infrared Spectroscopy
• Storage Stability of Fish Oil from Langkawi Island, Malaysia
• Fucoxanthin Extractions of Brown Seaweeds and Analysis of Their Lipid Fraction in Methanol
• Cytotoxicity and Inhibition of Nitric Oxide in Lipopolysaccharide Induced Mammalian Cell Lines by Aqueous Extracts of Brown Seaweed

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