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Silica sorbent for removal of chlorophyll derivatives from triacylglycerol-based oils

An adsorbent, chlorophyll technology, applied in the direction of solid adsorbent liquid separation, alkali metal oxides/hydroxides, silicon compounds, etc., can solve problems such as inability to remove impurities

Pending Publication Date: 2022-03-11
WR GRACE & CO CONN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such silicas are not fully effective in removing impurities from the oil, and undesired levels of impurities, including colorants such as chlorophyll derivatives, may remain in the oil even after silica treatment

Method used

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  • Silica sorbent for removal of chlorophyll derivatives from triacylglycerol-based oils
  • Silica sorbent for removal of chlorophyll derivatives from triacylglycerol-based oils
  • Silica sorbent for removal of chlorophyll derivatives from triacylglycerol-based oils

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preparation example Construction

[0135] Preparation method of polypeptide

[0136] Polypeptides suitable for use in the methods of the present disclosure (e.g., polypeptides having decolorizing enzyme activity, including polypeptides having pyropheophytinase activity) can be obtained by culturing in a suitable fermentation medium under conditions that allow expression of the polypeptide as disclosed herein host cells and produce the polypeptide. Those skilled in the art understand how to perform methods of producing polypeptides as disclosed herein depending on the host cells used, such as the pH, temperature and composition of the fermentation medium. Host cells can be cultured in shake flasks or in fermentors having a volume of 0.5 liter or 1 liter or greater to 10 cubic meters to 100 cubic meters or greater. Culturing can be performed aerobically or anaerobically according to the needs of the host cells. If the host cell is a Pseudomonas (eg, Pseudomonas fluorescens), culturing of the host cell is perf...

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Abstract

The present invention relates to an adsorbent for treating an oil comprising a chlorophyll derivative. In particular, the present disclosure relates to an improved silica gel sorbent for removing impurities, including chlorophyll derivatives and / or trace metals, from oils, particularly triacylglycerol-based oils. The adsorbent comprises silica gel treated with an alkaline earth metal oxide, such as magnesium oxide, and has a pH of about 7 or greater and a water content of about 3 wt% or greater.

Description

technical field [0001] The present disclosure relates to a method for treating oil comprising chlorophyll derivatives. In particular, the present disclosure relates to an improved method for removing impurities, including chlorophyll derivatives and / or trace metals, from oil, and to an improved silica-based sorbent for use in the method. [0002] sequence listing [0003] This application contains a Sequence Listing, which has been submitted electronically in ASCII format and is hereby incorporated by reference in its entirety. Said ASCII copy was created on March 26, 2019, named '35893-513_SEQ_LIST.txt', and was 36,864 bytes in size. Background technique [0004] Crude triacylglycerol oil obtained by pressing or solvent extraction methods is a complex complex of triacylglycerols, phospholipids, sterols, tocopherols, diacylglycerols, free fatty acids, trace metals, chlorophyll, beta-carotene and other trace compounds mixture. It is desirable to remove phospholipids, free...

Claims

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Application Information

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IPC IPC(8): C11B3/12B01J20/04B01J20/10C11B3/02C11B3/10B01J20/28
CPCC11B3/10B01J20/041B01J20/103B01J20/28057B01J20/28069B01J20/28004B01D15/00B01J20/04B01J20/28B01D15/08B01J20/28059B01J20/28071B01J20/28073
Inventor C·格兰姆斯德米特里厄斯·米克斯C·利巴纳蒂C·L·G·代顿
Owner WR GRACE & CO CONN
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