1991年7月29日在河北秦皇岛市由化工部主持召开了“田菁胶的开发和利用”技术鉴定会,会议由该专题的牵头单位一北京矿冶研究总院的代表介绍了近五年来田菁胶开发利用和研究的情况。由有关专家组成的鉴定小组对鉴定文件进行严格的审查后,对该项成果认真地做了评审,一致通过了技术鉴定。本专题是国家“七·五”重点科技攻关项目,经过五年的努力,已基本完成计划的攻关内容,田菁胶的加工水平又上了一个新的台阶,形成了工业生产规模。产品粘度由原来的200～500mpa·s提高 July 29, 1991 in Qinhuangdao City, Hebei Province, chaired by the Ministry of Chemical Industry, “Sesbania gum development and utilization of” technical appraisal meeting by the topic of the lead unit of a representative of Beijing Mining and Metallurgical Research Institute introduced the past five years Sesbania development and utilization of the situation and research. Accreditation team composed of relevant experts to conduct a rigorous examination of the identification documents, the results of a serious review, unanimously adopted the technical appraisal. This topic is the national key project of the “Seventh Five-Year Plan”. After five years of hard work, the project has basically completed the tackle of the project. The processing level of Strychnos has reached a new stage and formed an industrial scale of production. Product viscosity increased from the original 200 ~ 500mpa · s