Nin Jiom Pei Pa Koa From Wikipedia, the free encyclopedia King-to Nin Jiom Pei Pa Koa ( 京都 念 慈 菴 川 貝 枇杷 膏 ) or more commonly, Nin Jiom Pei Pa Koa or simply Pei Pa Koa is a Traditional Chinese natural herbal remedy used for the relief of sore throat , coughs, hoarseness, and loss of voice. It is a throat demulcent and expectorant . Today, it is manufactured and sold by Nin Jiom Medicine Manufactory Limited, a Hong Kong corporation. It is available worldwide. "King-to" means "capital", referring to Beijing , and "Nin Jiom" means "in memory of my mother". "Pei Pa Koa" means " Loquat syrup". The formula for Pei Pa Koa was originally created by Doctor Ip Tin-See, a physician for the Qing Dynasty [1] . Yang Xiao-Lian, a provincial commander, asked Doctor Ip to treat his mother's persistent cough. They were so impressed that they created a factory to mass-produce it. Later, the Yang family sold the business to Tse Sui-Bong,