RT Journal Article SR Electronic T1 The Caffeoyl Tartrate Content of White Riesling Wines from California, Washington, and Alsace JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 95 OP 97 DO 10.5344/ajev.1985.36.1.95 VO 36 IS 1 A1 I. W. Herrick A1 C. W. Nagel YR 1985 UL http://www.ajevonline.org/content/36/1/95.abstract AB The caffeoyl tartrate contents of White Riesling wines from California, Washington, and Alsace, France, were determined by HPLC. Mean values were identical for the California and Washington wines (123 mg/L). The Alsacian wines contained significantly less (43 mg/L).