Dornow et al., 1991. European Patent Application Issue: EP 0 422 569 A1 Pages: 3 pp Document reference Dornow, K. D. ; Gathen, H. von zur., 1991. Process for preserving [vegetable] peel. European Patent Application Issue: EP 0 422 569 A1 Pages: 3 ppAlternative title Verfahren zum Konservieren von Schalenresten Citation key Dornow et al., 1991Datasheets Oat hulls and oat mill feedPotato (Solanum tuberosum) by-productsSugar beet roots