Quality Evaluation and Sensory Properties of Cookies Prepared from Foxtail Millet (Setaria italica) Flour and Orange Peel (Citrus sinensis) Powder

Articles in Press

Document Type : Research Article-en

Authors

• Jayasamraj Yogalakshmi
• Samuel Adeyeye

Department of Food Technology, Hindustan Institute of Technology & Science, Chennai, Tamil Nadu, India

10.22067/ifstrj.2025.94047.1447

Abstract

The growing demand for functional foods has encouraged with incorporation of natural, nutrient-rich ingredients into traditional products to support health and wellness. Foxtail millet, a gluten-free grain rich in protein, fiber, and micronutrients, and orange peel powder, a by-product abundant in dietary fibre and bioactive compounds, were used to develop cookies with functional properties. This study aimed to develop and evaluate functional cookies prepared from foxtail millet enriched with orange peel powder. Five formulations were produced with 49:1, 48:2, 47:3, 46:4, 45:5 of foxtail millet and orange peel powder for sample 1 to sample 5 while the control sample had 50:0. The samples were analyzed for proximate composition, antioxidant activity, microbial safety, and sensory properties to determine the optimal level of incorporation using standard methods. The results revealed that for proximate composition, protein content ranged from 11.7% to 7.2% for sample 1 to sample 5 while the control sample had 11.9%. Fat content ranged from 20.5% to 19.3% for sample 1 to sample 5 while the control sample had 20.7%. Crude fibre content ranged from 2.8% to 4.8% for sample 1 to sample 5 while the control sample had 2.1%. Ash content ranged from 1.10% to 1.54% for sample 1 to sample 5 while the control sample had 1.04%. Moisture content ranged from 2.61% to 4.25% for sample 1 to sample 5 while the control sample had 2.5%. Nutritional analysis indicated a progressive enhancement in dietary fiber and antioxidant activity, contributing to improved digestive health and free radical scavenging capacity. Sensory evaluation showed the optimal orange peel powder concentration (2%) for sensory overall acceptability. The study demonstrated that incorporating orange peel powder significantly enhances the nutritional and functional attributes of cookies.

Keywords

• Antioxidant activity
• Foxtail millet
• Functional cookies
• Orange peel powder

Main Subjects

• Food Technology

Authors retain the copyright. This is an open access article distributed under Creative Commons Attribution 4.0 International License (CC BY 4.0)

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