Acrylamide content and safety level in French fries and potato crisps of selected potato cultivars in Rwanda
Keywords:Potato cultivars, French fries, Potato crisps, Acrylamide, Rwanda
Acrylamide is a chemical compound of an important food safety issue and classified as probable carcinogenic. The present research aimed at evaluating acrylamide levels in processed French fries and potato crisps of selected potato cultivars for the identification of better potato cultivars for acrylamide safer fried potato products in Rwanda.
Five potato cultivars (Kinigi, Peco, Kuruseke, T58, and Kirundo) were selected. 75 samples of fresh potato tubers were randomly collected from 75 farmers, processed into 150 samples composed of French fries and potato crisps. Acrylamide was quantified using LC-MS/MS method. Data were statistically analyzed using SAS software (edition 9.1, 2011) to calculate means and statistical differences across studied samples.
Obtained results, as mean values of acrylamide levels, ranged between 323-768 µg/Kg and 902- 3873µg/Kg in French fries and potato crisps, respectively. Lowest and highest levels of acrylamide in French fries and potato crisps were from Kinigi &Kuruseke and from T58& Peco potato cultivars, respectively. Across studied potato cultivars there was a high significant difference (P ≤ 0.001) within French fries or potato crisps and between them. Acrylamide levels in all potato crisps products were higher than 750μg/kg while in French fries from Kinigi and Kuruseke were below 500μg/kg, both the set European indicative values. Kinigi and Kuruseke were found better potato cultivars recommendable to farmers and potato processors for French fries and potato crisps processing.
Key Words: Potato cultivars, French fries, Potato crisps, Acrylamide, Rwanda
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