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Bibliographic record number: 223479

Journal

Authors: Rade, Desanka; Neđeral Nakić, Sandra; Škevin, Dubravka; Štrucelj, Dubravka; Mokrovčak, Željko
Title: Sterol content and compositon of some non-refined and refined oils
Source: Proceedings of the 5th Croatian Congress of Food Technologists, Biotechnologists and Nutritionists – ; 2nd Central European Meeting / Lelas, Vesna (ed). - Zagreb : PBF , 2005. 228-234.
Meeting: 5th Croatian Congress of Food Technologists, Biotechnologists and Nutritionists – ; 2nd Central European Meeting
Location and date: Opatija, Hrvatska, 17-20.10.2004.
Keywords: sterols; crude vegetable oils; refined vegetable oils; olive oil; pumpkin seed oil
Abstract:
The sterol content and composition of crude and refined sunflower, soybean and rapeseed oils, as well as of virgin olive oil, olive pomace oil and pumpkin seed oil (from common and naked seed) have been investigated. The sterol contents of investigated oils varied in composition as well as in total and individual amount. All samples of oil, except pumpkin seed oil contained predominantly Δ 5-sterols, and the main sterol was β -sitosterol with 50-80 % of total sterols. The major sterols in pumpkin seed oil were Δ 7-sterols (spinasterol, stigmastadienol and stigastatrienol), with very low amounts of β -sitosterol. The content of total sterols ranges from about 1700 mg/kg in virgin olive oil to 6900 mg/kg in crude rapeseed oil. The composition of sterols in sunflower, soybean and rapeseed oils, before and after refining was more or less the same, while the total content during refining process decreased 5-30%.
Type of meeting: Poster
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: 0058015
Original language: ENG
Category: Znanstveni
Research fields:
Food processing technology



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