The invention relates to a preparation method of instant
white lotus. The preparation method is characterized by comprising the following process steps: (1) selecting mature plump-eared
white lotus without
plant diseases and
insect pests as raw materials; (2) boiling the
white lotus, wherein the concentrations of
sugar and salt are controlled according to the different
mouthfeel requirements; (3) immediately
fishing out the boiled white
lotus, pouring into ice-water mixed liquid at 0 DEG C, soaking for 1-2min,
fishing out, and draining the
surface moisture; and (4) freezing the white
lotus at -80 DEG C for 2-4h; (5) freezing and
drying under a vacuum condition with the vacuum degree being 0-100Pa and the temperature being -80 DEG C and
drying for 20-28h, thereby obtaining the instant white
lotus. The preparation method of the instant white lotus has the beneficial effects that the instant white lotus can be eaten conveniently, the original
nutrition, color, luster and shape of the white lotus are kept, different
hardness and crispiness can be adjusted according to the
mouthfeel, the requirements of different people on
mouthfeel are met, and the instant white lotus is green and healthy, and is free of other food additives.