A Simple Screening Method for Extra Virgin Olive Oil Adulteration by Determining Squalene and Tyrosol

被引：9

作者：

Hayakawa, Tatsuya ^{[1
]}

Yanagawa, Miran ^{[1
]}

Yamamoto, Atsushi ^{[2
]}

Aizawa, Sen-Ichi ^{[3
]}

Taga, Atsushi ^{[4
]}

Mochizuki, Naoki ^{[5
]}

Itabashi, Yutaka ^{[6
,7
]}

Uchida, Hajime ^{[8
]}

Ishihara, Yoshimi ^{[1
]}

Kodama, Shuji ^{[1
]}

机构：

[1] Tokai Univ, Sch Sci, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 2591292, Japan

[2] Chubu Univ, Coll Biosci & Biotechnol, Dept Biol Chem, 1200 Matsumoto Cho, Kasugai, Aichi 4878501, Japan

[3] Univ Toyama, Grad Sch Sci & Engn, 3190 Gofuku, Toyama 9308555, Japan

[4] Kindai Univ, Dept Pharm, 3-4-1 Kowakae, Higashiosaka, Osaka 5778502, Japan

[5] Yokohama Univ Pharm, 601 Yokohama, Yokohama, Kanagawa 2450066, Japan

[6] Hokkaido Univ, Fac Fisheries Sci, Hakodate, Hokkaido 0418611, Japan

[7] Japan Assoc Inspect & Invest Foods Including Fats, Tokyo, Japan

[8] Japan Fisheries Res & Educ Agcy, Natl Res Inst Fisheries Sci, 2-12-4 Fukuura, Yokohama, Kanagawa 2368648, Japan

来源：

JOURNAL OF OLEO SCIENCE | 2020年 / 69卷 / 07期

关键词：

extra virgin olive oil; adulteration; squalene; tyrosol; HPLC; PHENOLIC-COMPOUNDS; SOYBEAN OIL; LIQUID; GC; AUTHENTICATION; IDENTIFICATION; CHROMATOGRAPHY; TOCOPHEROLS; COMPONENTS; STABILITY;

D O I：

10.5650/jos.ess20033

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A simple screening method for discrimination between commercial extra virgin olive oils and their blends with other vegetable oils was developed. Squalene, which was contained relatively high amounts in virgin olive oil, was determined by HPLC after a simple pretreatment that was carried out by dilution of oil samples with 2-propanol. Tyrosol, which was contained at relatively high concentration in virgin olive oil among phenolic compounds, was determined by HPLC after a simple liquid-liquid extraction. When using squalene and tyrosol contents as axes, extra virgin olive oils could be discriminated from pure olive oils, blended oils (extra virgin olive oils with sunflower oil or grapeseed oil) and other vegetable oils. These results suggest that determining squalene and tyrosol in seed oil samples could be useful in distinguishing between extra virgin olive oil and blended oils as a screening method.

引用

页码：677 / 684

页数：8

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