Jerusalem artichoke flower tea preparation process based on low-temperature dehydration technology

The invention relates to the technical field of jerusalem artichoke flower tea preparation, in particular to a jerusalem artichoke flower tea preparation process based on a low-temperature dehydration technology. The method comprises the following steps: cleaning jerusalem artichoke flowers, performing airing, and keeping the surface moisture at 1-5%; tearing off the leaves of the jerusalem artichoke flowers and putting the leaves into selenium-containing immersion liquid, performing soaking for 1-2 h, and then performing heating and stirring; and adding the soaked jerusalem artichoke flowers into a microwave vacuum drying machine, and performing low-temperature dehydration to prepare the jerusalem artichoke flower tea. According to the jerusalem artichoke flower tea preparation process based on the low-temperature dehydration technology, before the jerusalem artichoke flowers are subjected to low-temperature dehydration, the jerusalem artichoke flowers are added to the selenium-containing immersion liquid to