ABSTRACT: [Objective] To obtain the processing technology and technological parameters of high quality dried flower of Camellia chrysantha.
[Method] Microwave, vacuum freezing and vacuum freezing combined with hot air were used to dry Camellia chrysantha flowers. The appearance quality of the dried products was compared with that after brewing.
[Result] Microwave drying equipment was the best to maintain the appearance quality, followed by vacuum freezing-hot air combined drying. The product shape of microwave drying process was wrinkled with color change, and the effect was the worst. According to the evaluation method of tea, the best quality is vacuum freezing-hot air combined drying, followed by microwave drying, and vacuum freezing drying has the worst effect.
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