The disclosure provides a method for separating eighteen components in a traditional Chinese medicine composition, including: (1) preparing the traditional Chinese medicine composition into a total extract of the traditional Chinese medicine composition, separating by resin through sequentially eluting with water, 10% ethanol and 30% ethanol, and collecting the 30% ethanol eluate to obtain a 30% ethanol extract; (2) adding the 30% ethanol extract to a reverse phase silica gel ODS-AQ-HG, and separating in a medium pressure separation column to obtain differently numbered elution dry pastes; (3) dissolving the differently numbered elution dry paste with 30% methanol as a solvent, and passing the solution through a 0.45 μm microporous membrane, carrying out a primary separation by high performance liquid chromatography and collecting chromatographic peaks with different retention times, and further purifying by high performance liquid chromatography; finally obtaining the components of eighteen components.

The invention relates to a process for the liquid-phase separation of glucose from a mixture of C5 and C6 sugars comprising at least xylose and glucose, by adsorption of glucose on a zeolitic adsorbent based on FAU-type zeolite crystals having an Si/Al atomic ratio strictly greater than 1.5 comprising barium, wherein: said mixture is brought into contact with said adsorbent, by liquid chromatography, to obtain a xylose-enriched liquid phase and a glucose-enriched adsorbed phase; on the one hand, said xylose-enriched liquid phase is recovered and said phase adsorbed on said adsorbent is desorbed by means of a desorption solvent in order to recover the glucose on the other hand.

A process for preparing a copolymer polyol containing a reduced content of residual monomers and volatiles including the steps of: (a) providing at least one copolymer polyol containing a first initial content of residual monomers and volatiles; (b) providing at least one molecular sieve adsorbent; (c) contacting the at least one copolymer polyol with the at least one molecular sieve adsorbent for a period of time and at a temperature sufficient for the at least one molecular sieve adsorbent to adsorb at least a portion of the first initial content of residual monomers and volatiles present in the at least one copolymer polyol to reduce the first initial content of residual monomers and volatiles of the at least one copolymer polyol to form at least one copolymer polyol containing a second reduced content of residual monomers and volatiles; and (d) separating the at least one molecular sieve adsorbent containing a portion of the first initial content residual monomers and volatiles from the at least one copolymer polyol to form at least one copolymer polyol containing a second reduced content of residual monomers and volatiles.

The present invention relates to a method for preparing cannabidiol by separation and purification using high-speed countercurrent chromatography, comprising: alcohol extraction and water precipitation, adsorption with a macroporous resin, and high-speed countercurrent chromatography separation. The present invention separates and obtains high-purity cannabidiol from industrial hemp flowers or leaves, while at the same time removing the psychotoxic component tetrahydrocannabinol by combining a macroporous resin chromatographic column with a high-speed countercurrent chromatograph, and optimizing process parameters, and the solvent used therein being environmentally friendly, leaving no residues, having low cost and being recyclable. Therefore, the method is suitable for industrial production.

The present invention relates to a method for preparing cannabidiol by separation and purification using high-speed countercurrent chromatography, comprising: alcohol extraction and water precipitation, adsorption with a macroporous resin, and high-speed countercurrent chromatography separation. The present invention separates and obtains high-purity cannabidiol from industrial hemp flowers or leaves, while at the same time removing the psychotoxic component tetrahydrocannabinol by combining a macroporous resin chromatographic column with a high-speed countercurrent chromatograph, and optimizing process parameters, and the solvent used therein being environmentally friendly, leaving no residues, having low cost and being recyclable. Therefore, the method is suitable for industrial production.

The present invention provides a column filler for liquid chromatography that has a great adsorption capacity, adjustable adsorption selectivity, and high shape retainability and therefore is usable for measurement of various substances and capable of achieving excellent separation performance and a high filling rate in a column when used as a column filler for liquid chromatography. Provided is a column filler for liquid chromatography including carbon-coated porous particles, the carbon-coated porous particles including porous particles each having a coating layer containing an amorphous carbon on a surface.

A method for preparing a Luo Han Guo sweetening composition from Siraitia grosvenorii and a use thereof. The method for extracting the sweetening composition from Siraitia grosvenorii preferably includes the followings: accelerating ripening of immature Siraitia grosvenorii, and performing juicing, extraction with pure water, removal of impurities, concentration and purification to obtain the sweetening composition. Further, the present application relates to a compound sweetener containing the sweetening composition, which can be widely used in foodstuffs, beverages, healthcare products, and daily chemicals. The contents of mogroside III, mogroside IIe, and the like in the Luo Han Guo sweetening composition are controlled so as to improve the flavor thereof, and a production process for the sweetening composition uses only pure water, without use of organic solvents such as ethanol, to ensure a greener and healthier production process.

The present invention relates to a method and production system for dealcoholization of beverages such as beers and wines.

Embodiments of the present disclosure describe functionalized polymeric membranes including one or more dithiol compounds that extend from a nanoparticle provided on or near a surface and/or pores of a polymer material, wherein at least one thiol of the dithiol compound binds to the nanoparticle and at least one thiol of the dithiol compound is a free thiol. Embodiments of the present disclosure further describe methods of separating and/or recovering a purified antibody comprising contacting a feed stream containing an antibody and other biomolecules with a functionalized polymeric membrane to separate the antibody from the feed stream; and applying a reducing agent to release the antibody from the membrane and recover a purified antibody; wherein the functionalized polymeric membrane includes a plurality of free thiols selective to binding the antibody.

An extracellular vesicle separation method, a colloidal particle, and a preparation method thereof are provided. The colloidal particle is used for extracellular vesicle separation, and includes 2 wt % to 6 wt % of agarose. The colloidal particle has a particle size of 25 μm to 500 μm, and is surface-modified with biocompatible molecules. The biocompatible molecules include sodium carboxymethyl cellulose (CMC), methyl cellulose (MC), glycine, aspartic acid, glutamic acid, bovine serum albumin (BSA), fetal bovine serum (FBS), or a combination thereof.