Study on the Preparation Process of High Vitamin C Persimmon Leaf Green Brick Tea Tablets
In order to diversify green brick tea products and integrate the health benefits of persimmon leaf tea and green brick tea,a high-vitamin C persimmon leaf green brick tea tablet was developed.This study used persimmon leaf tea extract and green brick tea extract as raw materials to investigate the effects of different extraction conditions on the components of persimmon leaf and the impact of various tablet formulations on the quality of tea tablets.The results showed that the optimal extraction conditions involved using distilled water at 70℃ for 60 minutes with one extraction,yielding an extract with a vitamin C content of 3.56%,polyphenol content of 7.05%,and water extract content of 31.32%.The optimal blending ratio for the tablets was a 2:8 of green brick tea extract to persimmon leaf extract,resulting in a vitamin C content of 7.18 mg/g and a polyphenol content of 17.88 mg/g in the tablets.
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