Table 2.

Test results for different samples and spiked matrices.

Sample		Qualitative detection by qPCR
		Ricin-specific probe	Abrin-specific probe
Grounded	castor seeds	positive 1	negative
	jequirity seeds	negative	positive 1
Crude extracts of	castor seeds 2	positive	negative
	jequirity seeds	negative	positive
Bread, containing	20 g ground castor seeds per kg	positive	negative
	9 g crude extract of castor seeds per kg	positive	negative
	8 g ground jequirity seeds per kg	negative	positive
Bread, control		negative	negative

¹ all cultivars listed in Table 1 were detected; ² cultivar R. communis “Carmencita pink”.