Flavonoids Extraction Plants

Tilia Flower Extract Powder

Purity Levels

5% Flavones by HPLC

Mechotech designs and manufactures turnkey extraction plants for Tilia flower (Linden, Tilia cordata and Tilia platyphyllos), processing the dried flower into an extract standardised to Flavones by HPLC — flavonoid glycosides such as tiliroside that are well-documented constituents of Linden blossom and the basis of its long-established traditional European use as a calming, relaxation-associated botanical, framed here under neutral structure/function positioning rather than medical claims. We supply the complete machinery — flower cleaning, milling, aqueous-ethanol extraction, filtration, purification, vacuum concentration, closed-loop solvent recovery, HPLC standardisation and spray drying — to convert Tilia flower into a consistent 5% flavones powder for the nutraceutical and functional-beverage/tea industries.

Mechotech's Tilia flower plant is engineered around the chemistry of Linden blossom's flavonoid fraction — principally flavone glycosides including tiliroside — which is concentrated in the flower rather than the leaf or bark, and which has supported Tilia's centuries-long traditional use across European herbal medicine and, more recently, its adoption in functional-beverage and tea-industry formulation. Tilia flower demands a different raw-material handling regime than the leaf, root, or bark material that dominates most botanical extraction lines: the blossom and its pale, papery bract are harvested over a short seasonal window and must be dried promptly at low temperature, since the same delicate petal structure that makes the flower easy to over-dry or scorch also makes its flavone glycosides more susceptible to heat and oxidative loss than the tougher, more heat-stable compound classes typical of root or bark material. That sensitivity carries through the whole process — extraction and concentration both run at controlled, moderate-to-low temperature to protect the flavone glycosides, and the milling stage is tuned to avoid excessive fines that would otherwise complicate downstream filtration of the fragile petal and bract tissue. Built in SS 316L with electropolished product-contact surfaces, PLC-SCADA automation and full batch documentation, each plant is delivered as a commissioned turnkey system engineered to the declared 5% Flavones by HPLC specification.

Technical Specifications

Product	Tilia Flower Extract Powder Extraction Plant
Botanical Name	Tilia cordata / Tilia platyphyllos (Linden)
Raw Material	Dried Tilia flower (Linden blossom, including bract)
Plant Part	Flower
Extract Type	Standardised dry extract (spray-dried powder)
Standardisation	Flavones by HPLC — 5%
Extraction Method	Low-temperature aqueous-ethanol extraction (closed, jacketed SS 316L extractors)
Product-contact Material	SS 316L, electropolished, CIP-cleanable
Filtration System	Plate-and-frame filter press with 1–5 micron cartridge polish filtration
Purification System	Macroporous resin / membrane purification for flavone enrichment
Concentration System	Falling-film / vacuum evaporator with closed-loop solvent recovery
Drying System	Spray dryer, controlled inlet/outlet temperature
Automation	PLC-SCADA with recipe management, batch traceability and production reporting
Plant Capacity	Configured to requirement
Utility Requirements	Steam, chilled/cooling water, compressed air, soft water, power (project-specific)
Compliance	GMP, FSSAI, HACCP hygienic design; full documentation for qualification
Final Product Form	Free-flowing standardised extract powder

Plant Capacities

Plant Scale	Flower Throughput	Typical Use
Pilot	Configured to your feedstock and trial plan	Product development, flavone-recovery validation
Semi-Commercial	Configured between pilot and commercial scale	Contract manufacturing, scale-up trials
Commercial	Configured to raw-material supply and confirmed buyer volume	Export-grade continuous production

Capacity is configured to raw-material supply and confirmed buyer volume; we recommend a pilot plant to validate flavone recovery and HPLC-assay repeatability before scaling, since floral raw material quality varies with harvest season and drying method.

Manufacturing Process

Flower Cleaning & Size Reduction

Dried Tilia flower (Linden blossom and bract) is authenticated, cleaned of stem and foreign matter, tested for moisture, and gently milled to a controlled particle size that opens the delicate floral tissue without generating excessive fines that complicate later filtration.

Low-Temperature Aqueous-Ethanol Extraction

Milled flower material is charged into closed, jacketed SS 316L extractors and extracted with aqueous ethanol under controlled, moderate temperature and multiple cycles to maximise flavone glycoside recovery while protecting the compound class from thermal degradation.

Filtration

The extract (miscella) is clarified through a plate-and-frame filter press followed by 1–5 micron cartridge polish filters to remove fine floral particulate before concentration.

Purification & Vacuum Concentration

The extract passes a macroporous resin purification stage to enrich the flavone fraction, then is concentrated in a falling-film evaporator under vacuum at controlled low temperature with closed-loop ethanol recovery.

Solvent Recovery

A closed-loop recovery system condenses, purifies and recycles the recovered ethanol back into production.

HPLC Standardisation

The concentrate is assayed by HPLC for total flavone content (including tiliroside) and blended or carrier-adjusted to the declared 5% specification before drying.

Spray Drying & Quality Control

The standardised concentrate is spray-dried to a free-flowing powder with controlled inlet/outlet temperature to preserve the flavone fraction. Each batch undergoes HPLC assay, residual-solvent, heavy-metal, microbial, and moisture testing before release with full certificate-of-analysis documentation.

Major Plant Equipment

Flower cleaning system
Low-shear mill (controlled size reduction for floral material)
Stainless-steel jacketed aqueous-ethanol extraction vessels (SS 316L)
Solvent storage tanks
Solvent transfer pumps
Plate-and-frame filter press / pressure leaf filter
Cartridge polish filters
Macroporous resin purification column
Falling-film / multi-stage vacuum evaporator
Closed-loop solvent recovery system
Condensers & vacuum pumps
HPLC quality-control laboratory setup
Spray dryer
CIP (clean-in-place) system
PLC-SCADA control panel, electrical MCC & instrumentation

Plant Output

Tilia Flower Extract Powder — 5% Flavones by HPLC (standard commercial grade)

Applications

Functional-beverage and tea-industry ingredient supply (calming-category positioning, structure/function)
Nutraceutical capsule, tablet, and supplement manufacturing
Relaxation and sleep-support botanical blend formulations
Traditional European herbal preparation manufacturing
Cosmetic and personal-care active ingredient supply
Export to nutraceutical ingredient buyers in regulated markets

Key Features

GMP Hygienic SS 316L Construction
All product-contact surfaces are electropolished SS 316L, using GMP hygienic design for botanical extract manufacturing, with CIP operation between batches.
Standardised 5% Assay by HPLC
In-process and batch-release HPLC assay are used to check the finished powder against its declared 5% flavones specification, including the marker glycoside tiliroside, for consistent, buyer-ready quality.
Low-Temperature Processing for Delicate Floral Material
Extraction and concentration both run at controlled, moderate-to-low temperature specifically to protect Linden's flavone glycosides from thermal and oxidative degradation.
Closed-Loop Solvent Recovery
Integrated condenser-distillation recovery returns ethanol for reuse each batch, reducing fresh-solvent consumption.
Integrated Spray Drying
A matched spray dryer converts the standardised concentrate into a free-flowing, low-moisture powder ready for encapsulation, tea-blend formulation and functional-beverage use.
Scalable Batch Capacity
Plants are configured to requirement from pilot scale upward, with a modular design that allows expansion without replacing core equipment.

Frequently Asked Questions

What is Tilia flower extract powder and why is it commercially extracted?

Tilia Flower Extract Powder is the concentrated, spray-dried extract of dried Linden blossom (Tilia cordata / Tilia platyphyllos), standardised to 5% Flavones by HPLC. Flavone glycosides such as tiliroside are well-documented constituents of the flower and the basis of Linden's long traditional European use as a calming, relaxation-associated botanical, supplied here as a verified-assay ingredient for modern functional-beverage, tea, and nutraceutical formulation.

Does Mechotech supply the machinery for Tilia flower extract powder?

Yes. Mechotech supplies the complete turnkey machinery — extraction vessels, filtration, resin purification, vacuum concentration with solvent recovery, and spray drying — engineered, fabricated at our Hyderabad facility, installed, and commissioned as a single integrated plant.

Which plant part of Tilia is used, and why does that matter for processing?

The dried flower, including its characteristic pale bract, is used — not the leaf or bark — since the flavone glycosides responsible for Linden's traditional activity are concentrated in the floral tissue. Flower material is harvested over a short seasonal blooming window and must be dried promptly at low temperature to avoid scorching or over-drying the delicate petal and bract tissue, unlike tougher leaf, root or bark material that tolerates more aggressive drying. Because flower material is delicate and low-density, milling and filtration are also tuned specifically for floral processing to avoid excess fines and preserve the flavone fraction.

Why does extraction and concentration run at low temperature for this product?

Tilia's flavone glycosides, including the marker compound tiliroside, are susceptible to thermal and oxidative degradation. Running extraction and vacuum concentration at controlled, moderate-to-low temperature protects the flavone content that the finished extract is standardised against, holding the HPLC assay closer to its declared specification.

Why is tiliroside assayed by HPLC rather than a UV method?

Tiliroside is a flavonoid glycoside, a specific single marker compound rather than a broad class of similarly-absorbing molecules. HPLC separates tiliroside from other co-extracted flavonoids and plant pigments before quantifying it, giving a compound-specific assay result. A UV spectrophotometric method instead reads total absorbance across a class of structurally similar compounds, which is well-suited to broader flavanol or flavone totals but less precise for verifying a single named marker glycoside like tiliroside, so Mechotech's standardisation stage is built around HPLC for this product.

What is the primary commercial application for Tilia flower extract powder?

Beyond capsule and tablet nutraceutical use, Linden flower has a long-established, well-documented commercial channel in the functional-tea and functional-beverage industry, where dried Tilia blossom is a recognised standalone infusion ingredient across European and export tea markets. A standardised HPLC-assayed extract powder gives tea and beverage formulators a consistent flavone dose that raw dried blossom, with its batch-to-batch variability, cannot reliably provide.

Is Tilia flower extract marketed with medical claims?

No. Mechotech's plant produces a botanical extract standardised to a verifiable flavone assay by HPLC. The calming/relaxation association reflects Tilia's documented traditional European use and is framed as neutral structure/function positioning; formulators in regulated markets are responsible for how the finished ingredient is labelled and marketed downstream.

What testing method confirms the Tilia flower extract powder specification?

The declared 5% flavones specification is confirmed by HPLC assay on every batch, supported by residual-solvent, heavy-metal, microbial, and moisture testing for full certificate-of-analysis documentation required by regulated-market buyers.

What production capacities are available for the Tilia flower extract powder plant?

Mechotech manufactures Tilia flower extract powder plants from pilot systems for product development to commercial-scale plants. Capacity is selected based on raw-material supply, confirmed buyer volume, and investment timeline, and we recommend a pilot plant to validate process parameters before scaling, since floral raw-material quality varies with harvest season and drying method.

What is the typical cost and delivery timeline for a Tilia flower extraction plant?

Cost depends on capacity, automation level, and the scale of the resin purification stage needed to hold the 5% flavone specification consistently. Mechotech provides a detailed techno-commercial proposal after understanding your target throughput; typical turnkey delivery — design, fabrication, installation and commissioning — runs a few months from order, depending on scope.

Ready to discuss your project?

Get a free quote and technical consultation from our engineering team.

Get A Free Quote

Tilia Flower Extract Powder