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AssigneeCoöperatie AVEBE U.A.
InventorsMarco Luigi Federico Giuseppin, Stefano Iannacone, Wybren Koopmans, Robin Eric Jacobus Spelbrink, Jacqueline Alida Maria Berghout
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The invention provides a method for treating root—or tuber juice, comprising a) a pretreatment of the root—or tuber juice to remove root—or tuber lipids to a level below 28 g/kg dry weight; b) cooling the root—or tuber juice to a temperature of −0.3° C. to −16° C. to form ice crystals; and c) separating the ice crystals from the root—or tuber juice to obtain, as a first root—or tuber juice product, a concentrated root—or tuber juice. In addition, the invention provides methods to obtain protein depleted root—or tuber juice products, as well as products comprising root—or tuber free amino acids, and uses thereof.
A root—or tuber amino acid product with a dry matter content of at least 25 wt. %, comprising, as a percent of dry matter, at least 16 wt. % free amino acids, which free amino acids comprise, as a wt. % of free amino acids including gamma-amino butyric acid (GABA), at least 25 wt. % of the sum of glutamine, glutamate and GABA and at least 25 wt. % of the sum of asparagine and aspartate, wherein the total color of the root—or tuber amino acid product, determined as the sum of the absorbance at 420, 520 and 620 nm on a 4.5 wt. % solution in demineralized water, is less than 0.7.
Dependencies are inferred from the claim text.