It is to develop the food composition and the medical supply composition which designate the United States which develops the lactobacillus where topic of this invention making grow the United States, making use of the especially polished rice is possible, with the United States collects when it comes in contact with the American surface, cooking feeding can do, anti- allergy action possesses, includes the said lactobacillus as the material. As for this invention, preparation cooking pulverization things such as pulverization things such as or the aforementioned United States or the United States the United States or the said United States which it ferments as a trust number FERM BP 11098 is deposited internationally rakutobachirusu parakazei which (Lactobacillus paracasei) making use of the food composition and the aforementioned lactobacillus which include the anti- allergy medicine and the said anti- allergy medicine which include the lactobacillus and the said lactobacillus of K71 stocks to independent administrative corporate body industrial technology research institute patent living thing deposition center it offers with the food composition which includes whether the rice which can and the medical supply composition which includes the anti- allergy medicine of this invention.本発明の課題は、米、特に精白米を用いて生育させることのでき、米表面に付着した状態で米とともに回収し、調理・摂食することができる、抗アレルギー作用を有する乳酸菌を開発し、該乳酸菌を含む米を材料とする食品組成物及び医薬品組成物を開発することである。本発明は、独立行政法人 産業技術総合研究所特許生物寄託センターに受託番号FERM BP-11098として国際寄託されたラクトバチルス・パラカゼイ(Lactobacillus paracasei)K71株の乳酸菌と、該乳酸菌を含む抗アレルギー剤と、該抗アレルギー剤を含む食品組成物と、前記乳酸菌を用いて発酵させた米か、該米の粉砕物か、前記米又は米の粉砕物を炊飯調理して得られる飯かを含む食品組成物と、本発明の抗アレルギー剤を含む医薬品組成物とを提供する。