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  • 标题:OXIDATIVE STABILISATION OF SUNFLOWER OIL BY ANTIOXIDANT FRACTIONS FROM SELECTED LAMIACEAE HERBS
  • 本地全文:下载
  • 作者:NADA BABOVIĆ ; IRENA ŽIŽOVIĆ ; SNEŽANA SAIČIĆ
  • 期刊名称:Chemical Industry and Chemical Engineering Quarterly
  • 印刷版ISSN:1451-9372
  • 出版年度:2010
  • 卷号:16
  • 期号:04
  • 页码:287-293
  • 出版社:Association of the Chemical Engineers
  • 摘要:This study reports the effect of antioxidant fractions from rosemary (Rosma-rinus officinalis), sage (Salvia officinalis), thyme (Thymus vulgaris) and hyssop (Hyssop officinalis) on the oxidative stability of sunflower oil at elevated tempe¬rature. In order to isolate antioxidant fractions, the method of fractional super¬critical extraction with carbon dioxide at 35 MPa and 100 °C was applied. Anti¬oxidant fractions were added to sunflower oil at concentrations of 200 mg/kg oil and the samples were stored in an oven maintained at 98 °C. The antioxidant activity of the extracts was determined by measuring peroxide values (PV). Among investigated extracts, the rosemary extract was most effective on retarding lipid oxidation of sunflower oil. The antioxidant activity of the extracts was com¬pared to the activity of butylated hydroxyanisole (BHA) and a commercial rose¬mary extract Flavor’ Plus. On the basis of PV assay, the antioxidant activity of the investigated plant extracts after 12 h of storage at 98 °C followed the order: rosemary extract > BHA > sage extract > Flavor’ Plus > thyme extract > hyssop extract.
  • 关键词:peroxide value ; rosemary ; sage ; thyme ; hyssop ; supercritical extraction
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