EFFECT OF HEAD SPACE OF GLASS BOTTLES ON THE QUALITY OF SOME EDIBLE OILS STORED IN DAY LIGHT. | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 17, Volume 73, Issue 2, June 1995, Page 465-474 PDF (2.11 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejar.1995.433847 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| GERGES S. ABD-MALAK; AWATIF I. ISMAEL; NAWAL M. ABDEl-AZIZ | ||||
| Food Technology Research Institute, Agricultural Research Centre, Giza, Egypt | ||||
| Abstract | ||||
| Commercial oil, soybean oil, sunflowe oil , corn oil and olive oil were packed in treasparent small and large glass bottles and stored on shelf at room temperature (25± 20C ) in day light for 3 months to study the effect of head space and storage on their quality. The results indicated that the formation of peroxides in oils stored in large glass bottles with head space was higher than in oils stored in small glass bottles. The induction periods of samples stored in small glass bottles were longer than those kept in large glass bottles. The acidity increased gradually at lower rates during storage. The saturated fatty acids increased whereas the unsaturated unsaturated fatty acids decreased in oils kept in large glass bottles with head space. | ||||
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