TY - JOUR
T1 - The effects of extracting procedures on occurrence of polycyclic aromatic hydrocarbons in edible oils
AU - Lee, Joon Goo
AU - Suh, Jung Hyuck
AU - Yoon, Hae Jung
N1 - Publisher Copyright:
© 2020, The Korean Society of Food Science and Technology.
PY - 2020/9/1
Y1 - 2020/9/1
N2 - Polycyclic aromatic hydrocarbons (PAHs) are one of the most hazardous naturally occurring chemical contaminants of food. Edible oils are easily contaminated by PAHs generated during high-temperature processing steps such as oil extraction and refining. In this study, the effects of different extraction methods on the levels of PAHs in sesame oils and red pepper seed oils were assessed. GC–MS was used to determine the levels of PAHs in edible oils. Sesame oils extracted from seeds by plate-pressing extraction method had lower levels of PAHs than those extracted by screw-expeller extraction method from sesame flour. Furthermore, the levels of PAHs increased by 62.2% when the extraction time was longer. Notably, the PAHs already present in oils could be effectively reduced by refining procedures such as sinking, centrifugation, filtration, and neutralization with alkali.
AB - Polycyclic aromatic hydrocarbons (PAHs) are one of the most hazardous naturally occurring chemical contaminants of food. Edible oils are easily contaminated by PAHs generated during high-temperature processing steps such as oil extraction and refining. In this study, the effects of different extraction methods on the levels of PAHs in sesame oils and red pepper seed oils were assessed. GC–MS was used to determine the levels of PAHs in edible oils. Sesame oils extracted from seeds by plate-pressing extraction method had lower levels of PAHs than those extracted by screw-expeller extraction method from sesame flour. Furthermore, the levels of PAHs increased by 62.2% when the extraction time was longer. Notably, the PAHs already present in oils could be effectively reduced by refining procedures such as sinking, centrifugation, filtration, and neutralization with alkali.
KW - Edible oil
KW - Plate-pressing extraction
KW - Polycyclic aromatic hydrocarbons (PAHs)
KW - Red pepper seed oil
KW - Screw expeller extraction
KW - Sesame oil
UR - http://www.scopus.com/inward/record.url?scp=85086360864&partnerID=8YFLogxK
U2 - 10.1007/s10068-020-00761-3
DO - 10.1007/s10068-020-00761-3
M3 - Article
AN - SCOPUS:85086360864
SN - 1226-7708
VL - 29
SP - 1181
EP - 1186
JO - Food Science and Biotechnology
JF - Food Science and Biotechnology
IS - 9
ER -