anti-radical  
adjective (also antiradical) uk/ˌæn.tiˈræd.ɪ.kəl/ us/ˌæn.taɪˈræd.ɪ.kəl/
  (beliefs)      
  反激进的
opposed to radical ideas or groups (= those believing that there should be great social or political change)
  Anti-radical sentiment was running high at the time. 当时反激进主义情绪高涨。 
 The wrong phrasing of an anti-radical statement can trigger days of riots.
 - More examples
 - An anti-radical backlash is credited with reducing insurgent violence in the region.
 - The local press reported the meeting in its typical anti-radical tone.
 - His tactics were often non-radical, or even anti-radical .
 
  (chemistry)      
 chemistry specialized抗自由基的 
working against the effects of free radicals (= molecules in the body that have an extra electron and react very easily with other molecules)
  Researchers determined the antiradical capacity of various carotenoids. 研究人员确定了各种胡萝卜素的抗自由基能力。 
 - More examples
 - Analysis showed that the stem bark displayed high anti-radical properties.
 - The optimum pH for its highest antiradical activity is lower than 4
 - Specific antiradical interventions might prevent DNA lesions.