POST-HARVEST STUDIES ON GARLIC ALLIUM SATIVUM L. II. CHEMICAL COMPOSITION OF GARLIC OIL | ||
Egyptian Journal of Agricultural Research | ||
Volume 72, Issue 2, June 1994, Pages 507-524 PDF (3.62 M) | ||
Document Type: Original Article | ||
DOI: 10.21608/ejar.1994.451575 | ||
Author | ||
SHADIA K. AHMED | ||
Horticultural Research Institute, Agricultural Research Centre, Giza, Egypt | ||
Abstract | ||
Experimental work was carried out at Medicinal and Aromatic plant Section, tlokki Egypt. The effect of different kinds of containers named jute and plastic nets with 2m mesh and storage period were studied, during 1988 and 1989. Samples were taken monthly to determine volatile oil of the garlic and gas liquid chromatography of the extracted oil was carried out every two months. Results show that the essential oil percentage increased from the beginning of storage till the fifth month and then decreased_ Storage period had a clear effect on the chemical composition of extracted garlic oil. Some components increased such as dimethyl thiophene, 2 proponyl -2 propane thiosulphonate allyl., dipropyl trisulphide, methyl propyl trisulphide, thiophene and diallyl disulphide, Also some components disappeared after 4 months from the storage such as methyl thiophene, ally! thiophene and dimethyl thiophene. Diallyl trisulphide decreased after 2 months. Types of containers had a great effect on the chemical components of garlic oil either as to their appearance or disappearance, increase or decrease. | ||
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