Soriana Soriana Organización Soriana is a Mexican public company and a major retailer in Mexico with more than 824 stores. Soriana is a grocery and department store retail chain headquartered in Monterrey, Nuevo León, Mexico. The company is 100% capitalized in Mexico and has been publicly traded on the Mexican stock exchange (Bolsa Mexicana de Valores), since 1987 under the symbol: "Soriana". Soriana is powered by IT Retail software. Soriana was founded in 1968 by Mexican entrepreneurs and brothers, Francisco and Armando Martín Borque, in Torreón, Coahuila. The company currently, as of 2013, operates under the brands Soriana, Clubes City Club,
Dioscorea mexicana caudex, bear heart-shaped leaves. "Dioscorea mexicana" ranges from the state of San Luis Potosí in northeastern Mexico south to Panama. It is notable for its production of diosgenin, which is a precursor for the synthesis of hormones such as progesterone. Russell Marker developed the extraction and manufacture of hormones from "D. mexicana" at Syntex. Later the Mexican barbasco trade focused instead on "Dioscorea composita" instead, as this variety has a higher diosgenin content. Dioscorea mexicana Dioscorea mexicana, Mexican yam or cabeza de negro is a species of yam in the genus "Dioscorea". "Dioscorea mexicana" is a caudiciform dioscorea having either