**Abbreviations**

AMF: amifostine; API: apigenin; C: ascorbic acid; CA: carnosic acid; CB: cells blocked; CBMN: cytokinesis-blocked micronucleus; D: diosmin; DMSO: dimethyl sulfoxide; DRF: dose reduction factor; E: eriodictyol; FBS: fetal bovine serum; PF: protection factor; IR: ionizing radiation; MC: mortality of the irradiated control cells; MN: micronucleus; MNPCEs: micronucleus in polychromatic erythrocytes; MT: mortality of the cells irradiated and treated; MTT: 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-tetrazolium bromide; PASE: *Pycnanthus angolensis* Warb seed extract; PBS: phosphate-bu ffered saline; PCEs: polychromatic erythrocytes; PHA: phytohemagglutinin A; Q: quercetin; RA: rosmarinic acid; ROS: reactive oxygen species; Te: green tea extract; T: δ-tocopherol; TLDs: thermoluminescent dosimeters.
