Table 4.

Standard curve of different spice bases.

Spices	AFB1		OTA
	Regression Equation	R 2	Regression Equation	R 2
Chinese prickly ash	y = 0.5635x − 0.3801	0.9982	y = 0.6090x − 0.3714	0.9912
Pepper	y = 0.5569x − 0.3638	0.9627	y = 0.5797x − 0.4222	0.9621
Chili	y = 0.6120x − 0.3332	0.9695	y = 0.6574x − 0.4537	0.9887
Cinnamon	y = 0.4551x − 0.3148	0.9729	y = 0.6127x − 0.4276	0.9638
Aniseed	y = 0.6169x − 0.4767	0.9657	y = 0.6445x − 0.4689	0.9763

Note: AFB₁, aflatoxin B₁; OTA, ochratoxin A.