本发明不使用任何化学保鲜剂，可确保果实食用的安全性。
The novel heat treatment method does not use any chemical preservative agent, and can ensure the edible safety of fruits.
随着环境保护意识的提高和化学药物残留问题的日益严重，变温处理保鲜技术越来越受到人们的关注。
With the improvement of environmental protection awareness and the seriousness of poison, the fresh keeping techniques of longan fruit by temperature fluctuation are getting more and more concerned.
保鲜处理必须使用国家规定的食用添加剂，杜绝使用增白、漂白的工业化学品。
Maintains freshness processing to have to use the national stipulation the edible chemical additive, ceases the use white to increase, the blanching industry chemical.
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