PHENOLIC COMPOUNDS AND STEROL CONTENTS OF OLIVE (OLEA EUROPAEA L.) OILS OBTAINED FROM DIFFERENT VARIETIES

被引:0
作者
Al Juhaimi, Fahad [1 ]
Ozcan, Mehmet Musa [2 ]
Ghafoor, Kashif [1 ]
Adiamo, Oladipupo Q. [1 ]
Babiker, Elfadil E. [1 ]
机构
[1] King Saud Univ, Coll Food & Agr Sci, Dept Food Sci & Nutr, Riyadh, Saudi Arabia
[2] Selcuk Univ, Dept Food Engn, Fac Agr, TR-42031 Konya, Turkey
关键词
Olive oil; Total phenol; Phenolic compounds; Sterols; GC; HPLC; CULTIVAR; FRUITS;
D O I
暂无
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Oil obtained from 5 different olive cultivars was analyzed for phenolic and sterol composition. Total phenolic contents of oils were determined between 94.99 mg GAE/kg oil (Al-Joif) to 405.71 mg GAE/ kg oil (Sarmlak) (p<0.05). Phenolic compounds of oils obtained from different olive verities (Ayvalik, Sarrulak, Savrani, Al-Joif and Gemlik) when fully ripened were evaluated using reversed phase high performance liquid chromatography (RP-HPLC). Hydroxytyrosol and tyrosol were identified to have higher concentrations than other compounds. Tyrosol contents were between 3.65 mg/kg to 21.47 mg/kg oil (p<0.05) in different verities. The contents of hydroxytyrosol of oils for Ayvalik and Gemlik were 1.23 and 14.42 mg/kg, respectively. Cinnamic acid was detected only in Al-Joif olive oil sample. Low amounts of syringic, vanillin, p-cumaric, quercetin and luteolin were observed in different varieties' oils.
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页码:169 / 172
页数:4
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