Supporting Information for Classification and adulteration detection of vegetable oils based on fatty acid profiles Liangxiao Zhang 1,4,5,,*, Peiwu Li 1,3,4,5,,*, Xiaoman Sun 1,5, Xuefang Wang 1,5, Baocheng Xu 1,5, Xiupin Wang 1,5, Qi Zhang 1,2,3, Xiaoxia Ding 1,4, Wen Zhang 1,2,5 1 Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China 2 Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, China 3 Key laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, China 4 Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture, Wuhan 430062, China 5 Quality Inspection and Test Center for Oilseeds Products, Ministry of Agriculture, Wuhan 430062, China These authors contributed equally to this study
Supporting Information Contents: Supplementary material Table S1 Detailed information of five types oil seeds used in this study Supplementary material Table S2 The blend proportions of 20 real adulterated oils Supplementary material Figure S1 Cumulative error rates by Random Forest classification for five type of edible oils Supplementary material Figure S2 Cumulative error rates by Random Forest classification for five types of edible oils and their blended/adulterated oils
Supplementary material Table S1 Detailed information of five types oil seeds used in this study. Oil seeds Geographical origin Crop year Oil seeds Geographical origin Crop year Soybean seed 1 Shandong, China 2012 Sunflower seed 43 Guangdong, China 2013 Soybean seed 2 Henan, China 2012 Sunflower seed 44 Shandong, China 2013 Soybean seed 3-4 Shandong, China 2013 Sunflower seed 45 Guangxi, China 2013 Soybean seed 5 Yunnan, China 2013 Sunflower seed 46 Jiangsu, China 2013 Soybean seed 6 Liaoning, China 2013 Sunflower seed 47 Shanghai, China 2013 Soybean seed 7 Heilongjiang, China 2012 Sunflower seed 48-49 Shandong, China 2013 Soybean seed 8 Shandong, China 2013 Sunflower seed 50-53 Liaoning, China 2013 Soybean seed 9 Heilongjiang, China 2013 Sunflower seed 54-57 Hubei, China 2013 Soybean seed 10 Hebei, China 2013 Rapeseed 1-5 Hubei, China 2013 Soybean seed 11 Jiangsu, China 2013 Rapeseed 6-7 Hunan, China 2013 Soybean seed 12 Zhejiang, China 2013 Rapeseed 8-11 Jiangxi, China 2013 Soybean seed 13 Hunan, China 2013 Rapeseed 12 Jiangsu, China 2013 Soybean seed 14 Henan, China 2013 Rapeseed 13 Yunnan, China 2013 Soybean seed 15 Fujian, China 2013 Rapeseed 14-15 Yunnan, China 2012 Soybean seed 16 Jiangsu, China 2013 Rapeseed 16-18 Guizhou, China 2013 Soybean seed 17 Shandong, China 2013 Rapeseed 19 Yunnan, China 2013 Peanut seed 1-2 Henan, China 2013 Rapeseed 20 Guizhou, China 2013 Peanut seed 3-4 Shandong, China 2012 Rapeseed 21 Sichuan, China 2013 Peanut seed 5-8 Hebei, China 2013 Rapeseed 22 Zhejiang, China 2013 Peanut seed 9-10 Heilongjiang, China 2013 Rapeseed 23-41 Hubei, China 2013 Peanut seed 11-13 Jiangsu, China 2013 Rapeseed 42-45 Jiangxi, China 2013 Peanut seed 14-17 Guangdong, China 2013 Rapeseed 46 Jiangsu, China 2013 Peanut seed 18-20 Guangxi, China 2013 Rapeseed 47-50 Yunnan, China 2013 Peanut seed 21-25 Hubei, China 2013 Rapeseed 51-53 Guizhou, China 2013 Peanut seed 26-30 Hunan,China 2013 Rapeseed 54-56 Yunnan, China 2013 Peanut seed 31-33 Fujian, China 2013 Rapeseed 57-60 Guizhou, China 2013 Peanut seed 34-35 Henan, China 2013 Rapeseed 61-65 Sichuan, China 2013 Peanut seed 36-37 Shandong, China 2013 Rapeseed 66-70 Zhejiang, China 2013 Peanut seed 38-41 Hebei, China 2013 Rapeseed 71-76 Hunan, China 2013 Peanut seed 42-43 Heilongjiang, China 2013 Sesame 1-2 Hubei, China 2013 Peanut seed 44-47 Jiangsu, China 2013 Sesame 3 Anhui, China 2013 Peanut seed 48-50 Zhejiang, China 2013 Sesame 4-8 Henan, China 2013 Peanut seed 51-55 Yunnan, China 2013 Sesame 9 Hebei, China 2013 Peanut seed 56-60 Liaoning, China 2013 Sesame 10 Beijing, China 2013 Peanut seed 61-65 Zhejiang, China 2013 Sesame 11 Taiwan, China 2013 Peanut seed 66-68 Hunan, China 2013 Sesame 12-15 Henan, China 2013 Peanut seed 69-71 Guangxi, China 2013 Sesame 16 Hunan, China 2013 Peanut seed 72-75 Hubei, China 2013 Sesame 17 Henan, China 2013 Sunflower seed 1 Xinjiang, China 2013 Sesame 18-20 Shangdong, China 2013 Sunflower seed 2 Neimenggu, China 2013 Sesame 21 Henan, China 2013
Sunflower seed 3-4 Xinjiang, China 2013 Sesame 22 Beijing, China 2013 Sunflower seed 5-6 Jiangsu, China 2013 Sesame 23 Jilin, China 2013 Sunflower seed 7-9 Shandong, China 2013 Sesame 24 Henan, China 2013 Sunflower seed 10 Shanghai, China 2013 Sesame 25 Beijing, China 2013 Sunflower seed 11 Xinjiang, China 2013 Sesame 26 Henan, China 2013 Sunflower seed 12 Shandong, China 2013 Sesame 27 Heilongjiang, China 2013 Sunflower seed 13 Guangdong, China 2013 Sesame 28 Beijing, China 2013 Sunflower seed 14 Shandong, China 2013 Sesame 29 Hebei, China 2013 Sunflower seed 15 Guangxi, China 2013 Sesame 30 Heilongjiang, China 2013 Sunflower seed 16 Jiangsu, China 2013 Sesame 31 Tianjin, China 2013 Sunflower seed 17 Shanghai, China 2013 Sesame 32 Heilongjiang, China 2013 Sunflower seed 18 Shandong, China 2013 Sesame 33-35 Liaoning, China 2013 Sunflower seed 19 Liaoning, China 2013 Sesame 36-39 Jilin, China 2013 Sunflower seed 20 Zhejiang, China 2013 Sesame 40 Liaoning, China 2013 Sunflower seed 21 Henan, China 2013 Sesame 41-42 Hubei, China 2013 Sunflower seed 22-23 Shandong, China 2013 Sesame 43-45 Shangdong, China 2013 Sunflower seed 24-25 Hebei, China 2013 Sesame 46 Henan, China 2013 Sunflower seed 26-27 Jiangsu, China 2013 Sesame 47 Beijing, China 2013 Sunflower seed 28 Beijing,China 2013 Sesame 48 Jilin, China 2013 Sunflower seed 29-30 Liaoning, China 2013 Sesame 49 Henan, China 2013 Sunflower seed 31 Hubei, China 2013 Sesame 50 Beijing, China 2013 Sunflower seed 32 Xinjiang, China 2013 Sesame 51 Henan, China 2013 Sunflower seed 33 Neimenggu, China 2013 Sesame 52-55 Liaoning, China 2013 Sunflower seed 34 Xinjiang, China 2013 Sesame 56-59 Jilin, China 2013 Sunflower seed 35-36 Jiangsu, China 2013 Sesame 60-63 Liaoning, China 2013 Sunflower seed 37-39 Shandong, China 2013 Sesame 64-67 Henan, China 2013 Sunflower seed 40 Shanghai, China 2013 Sesame 68-70 Hunan, China 2013 Sunflower seed 41 Xinjiang, China 2013 Sesame 71-73 Hubei, China 2013 Sunflower seed 42 Shandong, China 2013
Supplementary material Table S2 The blend proportions of these 20 adulterated oils SB-1 SB-4 SF-1 SF-5 SO-2 SO-6 RS-75 RS-57 PO-2 PO-5 1 SF-90%-1 0.125 0 4.5 0 0.125 0 0.125 0 0.125 0 2 SF-80%-1 0.25 0 4 0 0.25 0 0.25 0 0.25 0 3 SF-90%-2 0 0.4 0 4.5 0 0 0 0 0 0 4 SF-80%-2 0 1 0 4 0 0 0 0 0 0 5 SO-90%-1 0.125 0 0.125 0 4.5 0 0.125 0 0.125 0 6 SO-80%-1 0.25 0 0.25 0 4 0 0.25 0 0.25 0 7 SO-90%-2 0 0.5 0 0 0 4.5 0 0 0 0 8 SO-80%-2 0 1 0 0 0 4 0 0 0 0 9 RP-90%-1 0.125 0 0.125 0 0.125 0 4.5 0 0.125 0 10 RP-80%-1 0.25 0 0.25 0 0.25 0 4 0 0.25 0 11 RP-90%-2 0 0 0 0 0 0.5 0 4.5 0 0 12 RP-80%-2 0 0 0 0 0 1 0 4 0 0 13 PO-90%-1 0.125 0 0.125 0 0.125 0 0.125 0 4.5 0 14 PO-80%-1 0.25 0 0.25 0 0.25 0 0.25 0 4 0 15 PO-90%-2 0 0 0 0.5 0 0 0 0 0 4.5 16 PO-80%-2 0 0 0 1 0 0 0 0 0 4 SB: Soybean oil; SF: Sunflower seed oil; SO: Sesame oil; RS: Rapeseed oil; PO: Peanut oil
Supplementary material Figure S1 Cumulative error rates by Random Forest classification for five types of edible oils
Supplementary material Figure S2 Cumulative error rates by Random Forest classification for five types of edible oils and their blended/adulterated oils