559 - Stability and sterility of caffeine citrate after vial opening for up to 96 hours: an in-vitro study

Nattapol Rungrojjananon, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Krung Thep, Thailand; Buranee Swatesutipun, Ramathibodi Hospital, Mahidol University, Bangkok, Krung Thep, Thailand; Pracha Nuntnarumit, Faculty of Medicine Ramathibodi Hospital, Bangkok, Krung Thep, Thailand; Chatchay Prempunpong, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Krung Thep, Thailand; Wararat Yangsuk, Mahidol University, Krung Thep, Krung Thep, Thailand; Wararat Chiangjong, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Rachatewi, Krung Thep, Thailand; Apichaya Puangpetch, Mahidol university, Bangkok, Krung Thep, Thailand; Santirhat Prommas, Mahidol university, Bangkok, Krung Thep, Thailand; Pailin Srisuratsiri, Faculty of Science at Sriracha, Sriracha, Chon Buri, Thailand