Keywords
Food Contamination
Green Chemistry
Microscopy
Validation Study
Methodology
How to Cite
Abstract
The study aimed to modify, optimize and evaluate through a comparative study a method for extraction of light filth from turmeric (Curcuma longa L.) and paprika (Capsicum annuum L.) samples. Ten samples of turmeric and twenty samples of paprika were analyzed. The pretreatment steps of the AOAC methods, 975.49 (16.14.05) for turmeric and 977.25b (16.14.22) for paprika, were modified by adding the Soxhlet extractor. The evaluation of the analytical performance was carried out by comparing the results of the method recoveries. The average recovery for turmeric using the AOAC method was 91.9% for insect fragments and 97.0% for rodent hair. While using modified method, it was 89.6% and 97.4%, respectively. For paprika, using the original method, the average recovery was 93.1% for fragments and 96.5% for hair; and after the modifications, the average was, 92.2% and 93.1%, respectively. Statistical analysis showed that there was no significant difference between the methods. Despite the longer analysis time, the modified method has advantages such as: allowing simultaneous analysis, low complexity, 57% solvent economy and satisfactory performance; proving to be an alternative for light filth research in the studied spices.
References
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