A Sequential Classification Strategy Applied to the Detection of Terrestrial Animal Lipid in Fish Oil by MID-Infrared Spectroscopy

Fig. 3. Results of PLS-DA multi-class model
(a): Discrimination 1 for pure fish oil; (b): Discrimination 1 for lard; (c): Discrimination 1 for chicken oil; (d): Discrimination 1 for tallow; (e): Discrimination 1 for suet; (f): Discrimination 2 for pure fish oil; (g): Discrimination 2 for non-ruminant lipid; (h): Discrimination 2 for ruminant lipid

Download full size

View in Article

Table 1. Results of first PLS-DA multi-class predictions

View table

View in Article

Table 1. Results of first PLS-DA multi-class predictions

掺假物	样品数	纯样	猪脂	鸡油	牛脂	羊脂	NA	MA	IR/%	识别率/%	拒绝率/%	误判率/%
纯样	12	12	0	0	0	0	0	0	0.00	100.00	100.00	0.00
猪脂	40	0	34	0	6	0	6	6	30.00	85.00	89.90	12.50
鸡油	39	0	5	38	0	0	1	5	15.38	92.30	92.30	7.70
牛脂	39	0	1	1	30	6	9	8	43.59	82.10	89.20	14.40
羊脂	39	0	0	0	3	33	6	3	20.08	82.10	91.50	13.20

Table 2. Results of second PLS-DA multi-class predictions
View table
View in Article
Table 2. Results of second PLS-DA multi-class predictions
掺假物样品数纯样品非反刍反刍 NA MA IR/% 识别率/% 拒绝率/% 误判率/%
纯样品 12 12 0 0 0 0 0.00 100.00 100.00 0.00
非反刍 79 0 77 3 2 3 6.33 94.90 92.20 6.42
反刍 78 0 2 75 3 2 6.41 97.40 96.70 2.90

Tools

Get Citation

Copy Citation Text

Bing GAO, Shuai XU, Lu-jia HAN, Xian LIU. A Sequential Classification Strategy Applied to the Detection of Terrestrial Animal Lipid in Fish Oil by MID-Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(8): 2427

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites