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Journal of Food Science and Technology

, Volume 55, Issue 1, pp 321–330 | Cite as

Effects of fatty acids composition and microstructure properties of fats and oils on textural properties of dough and cookie quality

  • Amita Devi
  • B. S. KhatkarEmail author
Original Article

Abstract

This study was carried out to investigate the effect of fatty acid composition and microstructure properties of fats and oils on the textural properties of cookie dough and quality attributes of cookies. Fatty acid composition and microstructure properties of six fats and oils (butter, hydrogenated fat, palm oil, coconut oil, groundnut oil, and sunflower oil) were analyzed. Sunflower oil was found to be the most unsaturated oil with 88.39% unsaturated fatty acid content. Coconut oil and palm oil differed from other fats and oils by having an appreciable amount of lauric acid (59.36%) and palmitic acid (42.14%), respectively. Microstructure size of all fats and oils ranged from 1 to 20 μm being the largest for coconut oil and the smallest for palm oil. In palm oil, small rod-shaped and randomly arranged microstructures were observed, whereas sunflower oil and groundnut oil possessed large, scattered ovule shaped microstructures. It was reported that sunflower oil produced the softest dough, the largest cookie spread and the hardest cookie texture, whereas hydrogenated fat produced the stiffest dough, the lowest spread and most tender cookies. Statistical analysis depicted that palmitic acid and oleic acid demonstrated a positive correlation with dough hardness. Linoleic acid exhibited positive link with cookie spread ratio (r = 0.836**) and breaking strength (r = 0.792**). Microstructure size showed a significant positive relationship with dough density (r = 0.792**), cookie density (r = 0.386*), spread ratio (r = 0.312*), and breaking strength (r = 0.303*).

Keywords

Fatty acid composition Microstructure Fats/oils Dough texture Cookie quality 

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Copyright information

© Association of Food Scientists & Technologists (India) 2017

Authors and Affiliations

  1. 1.Department of Food TechnologyGJUS&THisarIndia

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