Avocado oil production and chemical characteristics

Autor:	I. Neeman, M. J. Werman
Rok vydání:	1987
Předmět:	Acid value chemistry.chemical_compound Chromatography Chemistry General Chemical Engineering Organic solvent Chlorophyll Organic Chemistry Extraction (chemistry) Avocado Oil Solvent extraction Chemical composition Centrifugal separation
Zdroj:	Journal of the American Oil Chemists’ Society. 64:229-232
ISSN:	1558-9331 0003-021X
DOI:	10.1007/bf02542007
Popis:	Centrifugal force separation is a relatively new industrial process for extracting avocado oil. This study examined the influences of temperature, pH and NaCl concentration on oil extraction efficiency by centrifugal processing. Optimal separation conditions occurred at 75 C, with a pH of 5.5 and NaCl concentration of 5%. Differences in chemical characteristics exist between avocado oils produced by industrial processes and those oils that were produced in the laboratory by organic solvent extraction. The highest amount of chlorophyll, 192.9 ppm, was obtained by ethanolic extraction in the laboratory. Unsaponifiables content reached 1.95% in industrial oil produced by organic solvent extraction. The highest acid value, 8.35, was obtained from industrial oil produced by centrifugal separation. Hydroxyl values in our oils were found to be 2–3 times higher than those reported in the literature.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::f18ab0b13385b4f28a4553b586fe6dad https://doi.org/10.1007/bf02542007 Zobrazit plný text záznamu Full text from SpringerLink Plný text