Phloroglucinol (PG) purified from Ecklonia cava attenuates radiation-induced apoptosis in blood lymphocytes and splenocytes

► Phloroglucinol (PG), a polyphenol compound of Ecklonia cava. ► PG protected mice from damages caused by ionizing radiation. ► PG regulates apoptosis in peripheral blood lymphocytes and splenocytes.