The invention relates to a Shuanghuanglian soluble
powder preparation technique. The Shuanghuanglian soluble
powder is prepared by the following medicines with parts by weight: 800 to 1000 parts of
honeysuckle, 800 to 1000 parts of radices scutellariae and 1600 to 2000 parts of fructus forsythiae; the preparation technique is characterized by comprising the steps of decocting the
honeysuckle with water for two times (one hour for the first time and 45 minutes for the second time), collecting decoction, decocting the radices scutellariae with water for three times, collecting decoction, filtering, concentrating filter liquid,
drying under reduced pressure, standby,
grinding the fructus forsythiae, adding water and decocting for three times, depositing, filtering, and
spray drying concentrated liquid which is then ground into
fine powder with the extraction of the
honeysuckle and the fructus forsythiae, adding proper grape
sugar and obtaining the Shuanghuanglian soluble
powder. The Shuanghuanglian soluble powder is characterized by high
active component content, slight
toxicity and
side effect, no
drug residues, capability of being used in the
mixed feeding and drinking of large-scale culture, convenient storage and transportation, and meets the requirements of new
veterinary drug preparations. The Shuanghuanglian soluble powder is applicable to curing
livestock infectious diseases with determined
curative effect.