limitation crossliniked starches stabilized starches i e starches which do not undergo retrogradation under freeze thaw conditions acetylated and organically esterified starches hydroxyethylated and hydroxypropylated starches phosphorylated and inorganically esterified starches cationic anionic nonionic and zwitterionic starches and succinate and substituted succinate derivatives of starch such modifications and combinations thereof are known and their preparation are described in the art see for example whistler r l bemiller j n and paschall e f starch chemistry and technology 2 sup nd ed academic press inc london chpt 9 sctn 3 pp 324 349 1984 and modified starches properties and uses wurzburg o b editor crc press inc florida 1986 the amount of starch used in the food release coating normally ranges from 0 to 10 by weight of the total coating formulation the preferred starches are hydroxyalkylate corn starches such as hydroxyethylated and hydroxypropylated corn starches examples of likely ethoxylated corn starches available commercially are coatmaster k56f from grain processing corp muscatin iowa ethylex 2075 from a e staley mfg decatur ill filmkote 85 54 from national starch and chemicals bridgewater n j penford gum 270 from penfort products co cedar rapids iowa an example of likely ethoxylated potato starch is solfarex a 55 supplied by avebe america inc the use of perfluoroalkyl substituted compounds to impart oil and grease repellency to paper substrates is well known in the art for paper treatment the most important products have traditionally been.