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81988

EFFECT OF SOME PRETREATMENTS ON REDUCING ACRYLAMIDE CONTENT OF FRIED POTATO CHIPS

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Last updated: 22 Jan 2023

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Abstract

Reduction of acrylamide formation in potato chips in the relation of frying temperature and different pretreatments before frying was studied. Potato chips were fried at 140˚Cand 160 ˚C for 7 min. , with different pre treatments prior to frying  such as :Blanching at 100˚C for 5 min ; immersing in water  and  different solutions for 10 min : water as control at 25 ˚C ,warm water at 40˚C and  hot water 90˚C  , Electrolytic salt solutions : Cacl2 and Nacl2 ; organic solutions; citric and  acetic acids , the concentration of  solutions was 10g/ l at 90 ˚C . Results of HPLC indicated that potato chips blanched at 100 ˚C for 5 min. had the lowest acrylamide content 13.2±0.91and 51.5±2.71  µg/ kg when compared with control potato chips and other treatments at 140˚ and 160 ˚C . Immersing in organic acids solutions namely citric and acetic acid and electrolytic salt solutions like Cacl2(Ca2+)and Nacl(Na1+) lowering the acrylamide content in potato chips fried at 140˚C and 160 ˚C in compare with potato chips immersed in, water at 40, 90˚C and
25 ˚C (control). Immersing potato chips in Cacl2 10g/ l for 10 min. caused a highly considerable reduction in acrylamide ( 88.96 and 75.28 %) at 140 ˚C and 160˚C respectively. A considerable decrease in reducing sugar % was observed in all fried potato chips at 140 ˚C for 7 min. in compare with those fried at160 ˚C . Pre frying treatments were improved the sensory properties namely colour , taste, odour, crisps and oil uptake for all potato chips fried at 140˚C and 160˚C except  color for potato chips immersed in acetic and citric acid solutions . From , healthy safe quality point of view all tested pretreatment fried potato chips at 140˚ and 160˚C were ranged in the legal permissible level of acrylamide (21-140 µg/ kg / day ) of body weight 70 kg according to WHO(2005). So, It could be concluded that pre frying treatments (immersing in different solutions, temperature and pH) had a clear inhibitory effect on the acrylamide content and formation in potato chips during frying at 140˚C and 160˚C and these results are within  the safety legal limit of acrylamide .

DOI

10.21608/jfds.2011.81988

Keywords

Potato chips, reducing sugar, pH, Acrylamide content, Sensory evaluation

Authors

First Name

Afaf –haniem

Last Name

Ramadan

MiddleName

M.

Affiliation

Home Economic Dept., Fac. of Specific Education, Mansoura Univ., Egypt

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First Name

Rania

Last Name

El-Gammal

MiddleName

E.

Affiliation

Food Industries Dept ., Fac. Agriculture , Mansoura Univ., Egypt.

Email

rawana@mans.edu.eg

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Volume

2

Article Issue

11

Related Issue

12350

Issue Date

2011-11-01

Receive Date

2020-04-12

Publish Date

2011-11-01

Page Start

629

Page End

639

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_81988.html

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https://jfds.journals.ekb.eg/service?article_code=81988

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3

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Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

Publication Link

https://jfds.journals.ekb.eg/

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Article

Created At

22 Jan 2023