Frying performance of palm-based solid frying shortening.

Area of Science:

• Food Science and Technology
• Lipid Chemistry
• Sensory Analysis

Background:

• Frying performance of fats and oils is critical for processed food quality.
• Palm olein is a common frying oil, but its stability can be a concern.
• Palm-based solid frying shortenings offer an alternative with potentially improved stability.

Purpose of the Study:

• To compare the frying performance of palm-based solid frying shortening with standard palm olein.
• To evaluate the impact on potato chip quality over 40 hours of frying.
• To assess both chemical and sensory attributes of the fried products.

Main Methods:

• Potato chips were fried in an open batch fryer using palm-based solid shortening and standard palm olein for 40 hours.
• Chemical analysis included Free Fatty Acid (FFA) values, Total Polar Content (TPC), and Total Polymeric Material (TPM).
• Sensory evaluation by panelists assessed color, taste, flavor, and crispness.

Main Results:

• Palm-based solid shortening exhibited lower FFA (0.7% vs 1.2%), TPC (15.3% vs 19.6%), and TPM (2.67% vs 3.10%) compared to palm olein.
• Sensory panelists preferred the color of chips fried in solid shortening initially.
• After 40 hours, chips fried in solid shortening received higher scores for taste, flavor, and crispness.

Conclusions:

• Palm-based solid frying shortening is a more stable frying medium than palm olein for starch-based products like potato chips.
• The improved chemical stability translates to better sensory attributes, particularly taste, flavor, and crispness, after extended frying.
• Solid shortening offers a viable alternative for deep-fat frying applications requiring enhanced oil stability and product quality.