FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (6): 104-107.

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Study on Antibacterial Property of S everal Extracts Made fromsome Insec t Excrements of Different Chinese Chongcha Spccies

 TAN  Zhou-Jin, WEN  Li-Zhang, XIAO  Qi-Ming   

  • Online:2002-06-15 Published:2012-02-13

Abstract: Theeffects ofextracts fromthreeKi nds ofmedicalChineseChongchaspec ies(adrinksimilar teamadefrom someexcrements ofinsects inChina)fedbydifferentplants oninhibitin gsomemicroorganisms werestudied.Theresults showed that:The extracts fromHuaxiang Chong cha fed on green tea,Sanye H aichang fed on original plant of Sanye Chongcha,i.e Malus sieboldii and complicated Chinese Sanye Chongcha co uld inhibit Staphylococcus aureus a nd Bacillus subtilis strongly.The pur e Sanye chongcha could inhibit staph ylococcus aureus strongly.The extr act from chansha(chinese name of excrement of silkworm)couldnot inhibit the tested microbes.The pHvalue and water Tem-perature couldaffectthe antibacte rialeffect.Tenuperaturedidnotaffectthe extractantibacterialavti vity,Thestructure of valuable matter would change afte r the plant was eaten by worm.

Key words: Chongcha , Excrement , Extract , Antibac teria