Extraction Equipment

Enzyme-Assisted Extraction Plant

Enzyme-Assisted Extraction (EAE) uses targeted enzymes such as cellulase, pectinase, hemicellulase and protease to break down the structural cell-wall and membrane components that otherwise trap target compounds inside plant tissue. By degrading cellulose, pectin, hemicellulose and structural proteins under mild, controlled conditions, the enzymes open the matrix and let solvent reach the actives directly, without relying on heat, mechanical force or aggressive solvent alone. EAE suits feedstocks where the compound of interest is physically bound or shielded by fibrous or proteinaceous cell-wall structures, and Mechotech engineers turnkey enzyme-assisted extraction systems configured to each feedstock, enzyme system and target compound.

Enzyme-Assisted Extraction works through targeted enzymatic hydrolysis: a selected enzyme or enzyme blend — typically drawn from cellulase, pectinase, hemicellulase and protease classes, chosen to match the specific cell-wall composition of the feedstock — is dosed into a substrate-and-water (or substrate-and-buffer) slurry and held under controlled temperature and pH conditions that suit the enzyme's activity window. Over a defined incubation period, the enzymes cleave the polysaccharide and protein linkages that make up the cell wall and middle lamella, progressively loosening and rupturing the structural matrix so intracellular compounds diffuse out far more readily than they would through the intact cell wall. Because the reaction runs at mild temperature and near-neutral pH rather than under high heat or aggressive solvent, EAE is well suited to bioactives that are sensitive to harsher extraction conditions, and it typically reduces the solvent load needed for adequate recovery. Once hydrolysis has progressed sufficiently, the enzymes are deactivated to stop the reaction at the intended endpoint. Mechotech builds the enzyme reaction/incubation vessel, agitation system, jacketed temperature control, enzyme dosing skid and downstream separation train in SS 304 with product-contact SS 316L to hygienic, GMP-oriented standards, with PLC/SCADA control of temperature, pH, dosing and incubation time. Capacity is configured from pilot to commercial scale.

Process Flow

Technical Specifications

Technology	Enzyme-Assisted Extraction (EAE) / Enzymatic Hydrolysis Extraction
Working Principle	Targeted enzymatic hydrolysis of cell-wall polysaccharides and structural proteins releases intracellular compounds for solvent uptake
Enzyme Classes	Cellulase, pectinase, hemicellulase, protease or a configured blend, selected to feedstock cell-wall composition
Operating Temperature	Configured to the enzyme system's optimum activity range
Operating pH	Configured to the enzyme system's optimum activity range, with in-process pH control
Incubation / Reaction Time	Configurable, based on feedstock, enzyme loading and target degree of hydrolysis
Solvent / Medium	Water, buffer solutions, or water in combination with ethanol or other process-grade solvents (as applicable)
Operating Modes	Batch enzymatic hydrolysis (configurable)
Product-contact Material	SS 304 / SS 316L
Automation	PLC/SCADA (configurable) with temperature, pH, dosing and batch logging
Capacity	Configured to process requirement - pilot to commercial
Utilities	Electric power, heating / cooling water for jacket, compressed air
Compliance	GMP / cGMP hygienic design
Final Output	Liquid extract; optional concentrate or dried powder via downstream recovery and drying

Manufacturing Process

Feed & substrate preparation

Milled or comminuted botanical material is charged into the reaction vessel with water or a buffered aqueous medium to form a substrate slurry. Particle size and slurry consistency are set to give the enzyme good access to the cell-wall surface.

Enzyme dosing

A selected enzyme or enzyme blend — cellulase, pectinase, hemicellulase, protease or a combination, chosen to match the feedstock's cell-wall composition — is metered into the slurry through a calibrated dosing system.

Conditioning to optimum temperature & pH

The slurry is brought to the enzyme's optimum activity range and held there, since enzymatic hydrolysis is highly sensitive to both temperature and pH. A jacket and pH-control loop maintain conditions through the reaction.

Enzymatic hydrolysis (incubation)

Under gentle agitation, the enzymes progressively cleave cellulose, pectin, hemicellulose and structural proteins in the cell wall and middle lamella, loosening the matrix and exposing intracellular compounds to the surrounding medium.

Extraction hold

As the cell-wall structure breaks down, target compounds diffuse into the aqueous or solvent phase. Incubation continues for the time needed to reach the intended degree of hydrolysis and release.

Enzyme deactivation

Once the target endpoint is reached, the enzymes are deactivated — typically by a brief controlled heat step or a pH shift — to halt the reaction and stabilise the extract before downstream processing.

Separation & clarification

The extract is separated from spent solids and residual enzyme protein by filtration or centrifugation, yielding a clarified liquid extract.

Concentration & recovery

Where a solvent phase is used, it is recovered by evaporation and the extract is concentrated; the recovered solvent is returned for reuse. The concentrate can be dried to powder downstream, and the system is flushed for the next batch.

Major Plant Equipment

Enzyme reaction / incubation vessel
Jacketed temperature-control system
Agitation system
Enzyme dosing skid
pH monitoring & control loop
Enzyme deactivation stage (heat or pH-shift)
Filtration / centrifuge separation stage
PLC/SCADA automation

Plant Output

Liquid extractConcentrate or dried powder (optional, via downstream recovery and drying)

Applications

Nutraceutical and dietary-supplement actives bound within fibrous or proteinaceous plant matrices
Phytochemicals including polyphenols, flavonoids and anthocyanins shielded by cell-wall structures
Fruit and vegetable juice, pulp and oil yield enhancement via cell-wall degradation
Pharmaceutical botanical actives requiring mild, non-thermal release conditions
Food, beverage and natural flavour ingredients from structurally complex feedstocks
Cosmetic and personal-care botanical extracts requiring gentle processing
Heat- and pH-sensitive bioactive compounds unsuited to aggressive thermal or solvent extraction
R&D, pilot studies and enzyme-system screening for process scale-up

Key Features

Targeted enzymatic cell-wall degradation
Cellulase, pectinase, hemicellulase and protease act selectively on the structural components binding target compounds, opening the matrix without relying on heat or mechanical disruption alone.
Mild, condition-sensitive operation
Reaction temperature and pH are held within the enzyme's optimum activity range, protecting heat- and pH-sensitive actives that harsher extraction methods can degrade.
Enzyme system selectivity
The enzyme blend is matched to the feedstock's actual cell-wall composition, giving a degree of process selectivity that purely physical intensification methods do not offer.
Reduced solvent dependence
By breaking down the physical barrier to diffusion, EAE can lower the solvent load needed for adequate recovery, supporting green and clean-label extraction goals.
Hygienic, GMP-oriented build
Product-contact parts in SS 316L with smooth, CIP-friendly finishes support pharmaceutical, nutraceutical and food-grade production.
Full automation & reaction control
PLC/SCADA control of temperature, pH, enzyme dosing and incubation time with batch logging ensures repeatable, traceable enzymatic reaction control.

Frequently Asked Questions

What is Enzyme-Assisted Extraction?

Enzyme-Assisted Extraction uses targeted enzymes such as cellulase, pectinase, hemicellulase and protease to break down the cell-wall and membrane structures that trap target compounds inside plant tissue. By degrading these structural barriers under mild, controlled conditions, the enzymes let solvent reach and release the compounds far more effectively than passive soaking.

How does enzyme-assisted extraction work?

A selected enzyme or enzyme blend is dosed into a substrate slurry and held at the temperature and pH that suit its activity window. Over a defined incubation period, the enzymes cleave cellulose, pectin, hemicellulose and structural proteins in the cell wall and middle lamella, progressively loosening the matrix and exposing intracellular compounds to the surrounding medium. Once the target endpoint is reached, the enzymes are deactivated to stop the reaction before downstream separation.

What are the advantages of EAE compared with conventional extraction?

EAE breaks down the physical barrier to diffusion rather than relying on heat or aggressive solvent, so it operates under milder, more condition-sensitive conditions that protect heat- and pH-sensitive actives. It can also reduce the solvent load needed for adequate recovery, and enzyme selection allows a degree of process selectivity matched to the feedstock's specific cell-wall composition, which purely physical intensification methods do not offer.

What can an enzyme-assisted extraction plant process?

It suits feedstocks where the target compound is physically bound or shielded by fibrous or proteinaceous cell-wall structures, including phytochemicals such as polyphenols, flavonoids and anthocyanins, fruit and vegetable juice or oil yield enhancement, and heat- or pH-sensitive nutraceutical, pharmaceutical, food, beverage and cosmetic actives that are not well suited to harsher thermal or solvent-only methods.

What capacity is available?

Mechotech configures capacity to the process requirement, from pilot and R&D reactors to commercial-scale systems. Reactor volume, enzyme dosing capacity, temperature and pH control, and incubation time are sized around the feedstock, chosen enzyme system, throughput and finished-product specification, and a pilot is recommended to validate enzyme selection, dosing and reaction conditions before scale-up.

What material of construction and compliance does Mechotech use?

Product-contact parts are built in SS 316L with SS 304 for structural and non-contact areas, finished to smooth, CIP-friendly, hygienic standards. Systems follow GMP and cGMP hygienic design principles so they suit pharmaceutical, nutraceutical and food-grade production, with documentation to support qualification.

Does Mechotech provide turnkey design, manufacture, installation and commissioning?

Yes. Mechotech designs, engineers and fabricates the complete enzyme-assisted extraction system, including the reaction/incubation vessel, enzyme dosing skid, temperature and pH control, separation stage and PLC/SCADA automation, and installs and commissions it as a single performance-verified turnkey plant. We support the project through scale-up, operator training and process validation.

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Enzyme-Assisted Extraction Plant