PROCESS FOR OBTAINING PROTEINS FROM HEMP
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Nov 8, 2022
filing date -
Nov 8, 2022
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Abstract
Proteins are obtained from hemp by prewashing the hemp pressing remnants with addition of water, with suspension of the hemp pressing remnants to form an aqueous suspension having a pH value <7 and phase separation to form an aqueous low-protein contaminant phase containing oil and/or oil-accompanying products and a high-protein prewashed phase. Proteins are extracted by alkalizing the high-protein prewashed phase with resuspension to form an aqueous suspension and separating the phases to form a shell fraction and an aqueous protein fraction. Proteins are precipitated with the addition of a short-chain alcohol having fewer than four carbon atoms and with an acid to shift the pH value into the acidic range. The phases are separated into a low-protein phase and a high-protein phase.
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