Preparation method of trchosahthes kirilowii maxin pulp natural preservative

The invention discloses a preparation method of a trchosahthes kirilowii maxin pulp natural preservative. The preparation method comprises the following steps: 1) fetching trchosahthes kirilowii maxin content and de-seeding to obtain trchosahthes kirilowii maxin pulp; 2) mixing trchosahthes kirilowii maxin pulp obtained in the step 1) and water according to the mass ratio of 1:8-12; 3) carrying out high speed centrifugation on the mixture obtained in the step 2), and fetching an interface layer obtained after the centrifugation; 4) concentrating the interface layer obtained in the step 3) so as to obtain a concentrate; and 5) spray-drying the concentrate obtained in the step 4) so as to obtain the trchosahthes kirilowii maxin pulp natural preservative. The trchosahthes kirilowii maxin pulp natural preservative prepared by the method has excellent anticorrosion effect and has a good antibacterial effect on escherichia coli, bacillus subtilis, Candida albicans, aspergillus niger and the like. 本发明公开了种栝楼瓤天然防腐剂的制备