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Thesis Abstract Fermented milk elaborated with Camellia sinensis
O A S Ribeiro1, M I A Silva1, C A Boari1
1Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, Diamantina, MG, Brasil.
Genetics and Molecular Research : GMR
|June 21, 2016
Summary
This study developed a fermented dairy beverage incorporating Camellia sinensis (green tea) infusion. The optimal formulation, with 30% green tea infusion, enhanced antioxidant activity and sensory acceptance, offering a healthier beverage option.
Area of Science:
- Food Science and Technology
- Dairy Science
- Herbal Medicine
Background:
- Fermented dairy products offer health benefits.
- Camellia sinensis (green tea) is known for its antioxidant properties.
- Novel functional ingredients are sought for dairy beverages.
Purpose of the Study:
- To develop and characterize a novel fermented dairy beverage incorporating Camellia sinensis infusion.
- To evaluate the impact of varying Camellia sinensis infusion levels on physicochemical, microbiological, and sensory properties.
- To determine the optimal formulation for consumer acceptance.
Main Methods:
- Formulation of fermented dairy beverages with 0-40% Camellia sinensis infusion.
- Analysis of dry mass, moisture, ash, protein, fat, sodium, acidity, lactic acid bacteria, antioxidant activity, and viscosity.
- Gas chromatography for volatile compounds and sensory evaluation for acceptance and consumption intention.
Main Results:
- Camellia sinensis infusion did not significantly affect dry matter, moisture, ash, or lactic acid bacteria counts.
- Increased infusion levels reduced protein, fat, sodium content, and apparent viscosity.
- Total antioxidant activity significantly increased with higher infusion levels.
- The 30% infusion formulation showed the highest sensory acceptance and consumption intention.
Conclusions:
- Camellia sinensis infusion can be successfully incorporated into fermented dairy beverages.
- The 30% infusion level optimizes sensory attributes and enhances antioxidant capacity.
- This novel beverage offers a promising functional food product with improved health benefits.
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