Dsm IP Assets B.v.

Roche Vitamins Inc.

Ingo Koschinski

David Carl Burdick

Andrew George Gum

Neil MacFarlane

Elena Muelchi

Isabelle Prevot-Halter

Heinz Egger

Andreas Keller

Thomas Meierhans

Albert Lustenberger

The invention relates to a process for the preparation of deodorized and stabilized food-grade marine oils by submitting marine oils to a counter-current steam distillation (CCSD) in a thin film column containing a structured packing and, if desired, adding antioxidant(s), to the food-grade marine oils thus obtained and to their uses in the food/feed, cosmetic and/or pharmaceutical industry.

Deodorization and stabilization of marine oils

A process is provided for making (&#x2212;)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.

Process for the production of (&#x2212;)-epigallocatechin gallate

A process for stabilizing fully or partially refined marine oil is disclosed. Here marine oil is treated with silica having a surface area greater than 500 m.sup.2 per gram. Then the silica treated oil is soft vacuum steam deodorized at a temperature between 140.degree. C. and about 210.degree. C. Finally the oil is treated with a combination of lecithin, ascorbyl palmitate and tocopherol in ratios of 6-3:4-2:8-4 the range of 1000 parts per million to 4000 parts per million.

Stabilization of marine oils

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Waldshut-Tiengen, Germany

Ingo Koschinski