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Development, characterization, and optimization of protein level in date bars using response surface methodology.

Muhammad Nadeem1, Salim-ur-Rehman, Faqir Muhammad Anjum

  • 1Institute of Food Science and Nutrition, University of Sargodha, Sargodha, Pakistan. mnadeemb@yahoo.com

Thescientificworldjournal
|July 14, 2012
PubMed
Summary
This summary is machine-generated.

Researchers developed a nutritious date bar for children using whey protein concentrate and vetch protein isolates. Optimal protein levels were achieved using response surface methodology (RSM), enhancing nutritional value without impacting sensory qualities.

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Area of Science:

  • Food Science
  • Nutritional Biochemistry
  • Product Development

Background:

  • Children require adequate nutrition for proper body development.
  • Date bars offer a convenient snack option but often lack sufficient protein.
  • Underutilized protein sources can enhance the nutritional profile of food products.

Purpose of the Study:

  • To develop a commercially viable, protein-enriched date bar for school-aged children.
  • To optimize protein content using economical and underutilized ingredients.
  • To evaluate the impact of protein supplementation on the nutritional and sensory properties of date bars.

Main Methods:

  • Utilized response surface methodology (RSM) with a central composite design (CCD).
  • Investigated the effects of whey protein concentrate and vetch protein isolates on date bar formulations.
  • Analyzed proximate composition, nutritional profile, texture, and sensory characteristics of fourteen date bar treatments.

Main Results:

  • Incorporating whey protein concentrate and vetch protein isolates significantly improved the nutritional profile of date bars.
  • Optimal protein levels were achieved with 6.05% whey protein concentrate and 4.35% vetch protein isolates.
  • These additions enhanced protein content, texture, and taste without negatively affecting sensory attributes during storage.

Conclusions:

  • Response surface methodology (RSM) is an effective and economical tool for optimizing ingredient levels in food product development.
  • Protein-enriched date bars using whey protein concentrate and vetch protein isolates meet nutritional requirements for children's development.
  • The optimized date bar formulation offers improved nutritional value and desirable sensory characteristics.