Abstract：
:Green tea is a highly consumed beverage, and the phytochemical composition, sensory qualities, and antioxidant activity of tea infusion are significantly affected by brewing conditions. However, the simultaneous effects of brewing conditions on the infusion are unknown. This study aimed to model the effects of brewing conditions (temperature, time, water/tea ratio and particle size) on the phytochemical composition, sensory profiles and antioxidant activity of green tea infusion using response surface methodology. The regression models describing the brewing of detected indexes were significant (p ≤ 0.01) and reliable (R2 ≥ 0.854). Particle size had the greatest negative effects on the phytochemical composition and antioxidant activities of tea infusion. Optimization of brewing conditions performed for five types of needs and preferences for consuming were verified to be credible. In particular, optimal conditions of overall acceptance were 82 °C (temperature), 5.7 min (time), 70 mL/g (water/tea ratio), and 1100 µm (particle size).
journal_name
Food Chemjournal_title
Food chemistryauthors
Liu Y,Luo L,Liao C,Chen L,Wang J,Zeng Ldoi
10.1016/j.foodchem.2018.06.130subject
Has Abstractpub_date
2018-12-15 00:00:00pages
24-34eissn
0308-8146issn
1873-7072pii
S0308-8146(18)31103-8journal_volume
269pub_type
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