Table 8 Tartrazine quantification in saffron sample at different concentrations using the D-μ-SPE-HPLC–PDA technique based on Fe SA-MOF@CNF.

From: Simple and rapid determination of tartrazine in fake saffron using the metal organic framework (Fe SA MOF@CNF) by HPLC/PDA

sample

Added tartrazine (ng/ml)

Founded tartrazine (ng/ml)

Recovery (%)

Saffron

0

23.52 ± 1.75

–

50

63.81 ± 1.25

99.81

100

112.60 ± 0.95

98.43

300

418.83 ± 2.5

100.37

500

697.42 ± 1.65

98.65

1000

1345.23 ± 2.86

102.72

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