Processing method of instant platycodon grandiflorum strips

The invention provides a processing method of instant platycodon grandiflorum strips. The processing method comprises the following steps: (1) cutting off stems, leaves and residual parts of stems of platycodon grandiflorum excavated within 24 hours, and conveying residual available platycodon grandiflorum roots into warm water to be immersed for 50 minutes; (2) putting the washed platycodon grandiflorum into clean water, and peeling off the platycodon grandiflorum by a peeling-off knife; then fishing out the platycodon grandiflorum and draining, and cutting the platycodon grandiflorum into strips for later use; (3) putting the cut platycodon grandiflorum strips into warm water of 45-50 DEG C to be immersed for 20-30 minutes; (4) fishing out the platycodon strips and draining; putting the platycodon strips into syrup and stirring so as to stick the syrup on the surfaces of platycodon grandiflorum freeze-dried pieces; putting the platycodon grandiflorum freeze-dried pieces stuck with the syrup into external mixing powder or starch to be mixed, so as to cover the external mixing powder or starch on the surfaces; then conveying the platycodon grandiflorum freeze-dried pieces into a bamboo food steamer and orderly placing the platycodon grandiflorum freeze-dried pieces one by one; (5) conveying the bamboo food steamer into a steaming pot and steaming with steam for 30-40 minutes at the temperature of 90-110 DEG C; and (6) conveying the steamed platycodon grandiflorum strips into a drying machine to be dried, and controlling the drying temperature to be 55-60 DEG C and the moisture content to be no more than 13% to obtain the instant platycodon grandiflorum strips and packaging the instant platycodon grandiflorum strips.