# Pharmaceutical Gılaburu (*Viburnum opulus*) Sourcing: Romania vs Turkey

Commercial disclosure: This article is produced by TANDOR, an EU-based botanical raw-materials sourcing intermediary. TANDOR connects qualified buyers with vetted suppliers of *Viburnum opulus* and other botanical ingredients. The analysis below reflects publicly available regulatory frameworks and trade data; it does not constitute independent research. Procurement managers should conduct their own due diligence before placing orders.

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What Is Pharmaceutical-Grade Gılaburu and Why Does Origin Matter?

*Viburnum opulus* L. (guelder rose; Turkish: *gılaburu*) is a deciduous shrub whose ripe berries, bark, and leaves carry a complex phytochemical profile: anthocyanins, chlorogenic acid, rutin, and iridoid glycosides including viburnin and opulusic acid. These compounds underpin both traditional use (urinary-tract health, antispasmodic applications) and contemporary nutraceutical formulation.

For EU buyers, origin is not merely a cost variable. It determines which certification pathways apply, what export documentation a supplier can provide, and how much pharmacovigilance overhead lands on your regulatory team. Romania sits inside the EU single market; Turkey is an EU candidate state with partial regulatory harmonisation. Each creates a meaningfully different compliance picture.

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Technical Specifications by Product Form

Buyers routinely receive offers for three distinct product forms. The monographs below reflect achievable specification ranges based on current supplier Certificates of Analysis (CoA) and published phytochemical literature. Where specific analytical studies are cited, full references are provided; buyers should request the original papers from suppliers as part of document review.

Dried Whole or Milled Berry

|---|---|---|---|

Anthocyanin data note: Veberic et al. (2015, *Food Chemistry*, Vol. 173) characterised the anthocyanin profile of *V. opulus* fruit grown in Slovenia under cultivated conditions and reported cyanidin-3-glucoside as the dominant fraction. Buyers requiring specific cultivar-matched data should request HPLC chromatograms with identified peak assignments rather than accepting total-anthocyanin figures alone.

Freeze-Dried Powder

Freeze-drying concentrates actives relative to the fresh berry but introduces particle-size and hygroscopicity variables critical for downstream formulation.

Bulk density: typically 0.25–0.40 g/mL (tapped); specify in purchase order
Particle size (D90): 100–300 µm unless micronisation is requested; confirm with laser diffraction report (ISO 13320)
Total anthocyanins: 350–700 mg/100 g DW (3–6× concentration vs. dried berry)
Chlorogenic acid: 500–1,200 mg/100 g DW
Water activity (aW): ≤ 0.40 to ensure microbiological stability in storage
Packaging: moisture-barrier foil bag, nitrogen-flushed, max 25 kg net; request FIFO lot rotation
Shelf life: 24 months at ≤ 18 °C, protected from light, when aW and moisture specs are met at release

Analytical methods as above; additional request: residual solvent not applicable for freeze-dried form, but confirm no cryoprotectant additives (maltodextrin, etc.) unless declared on CoA.

Hydroethanolic Extract (Dry or Liquid)

Dry extract (DE) and liquid extract (LE) specifications should be negotiated against a defined drug-to-extract ratio (DER).

| Parameter | Dry Extract | Liquid Extract (1:1) |

|---|---|---|

| DER | 4:1 – 8:1 (target 5:1) | 1:1 |

| Solvent | Ethanol 40–60 % v/v | Ethanol 40–50 % v/v |

| Residual ethanol | ≤ 0.5 % (Ph. Eur. §2.4.24) | Declare on CoA |

| Total anthocyanins | 1.5–4.0 % (HPLC-UV) | 0.5–1.5 % |

| Chlorogenic acid | 3.0–8.0 % (HPLC-UV) | 1.0–3.0 % |

| Viburnin | 0.2–0.6 % (LC-MS/MS) | 0.1–0.3 % |

| Heavy metals | As above (Ph. Eur. limits) | As above |

| Excipients (flow agent) | Aerosil® or maltodextrin — declare | N/A |

For any extract entering a finished medicinal product, the EU *Guideline on Specifications: Test Procedures and Acceptance Criteria for Herbal Substances, Herbal Preparations and Herbal Medicinal Products* (EMA/CPMP/QWP/2820/00 Rev. 2) applies. Suppliers must provide a full specification dossier, not only a summary CoA.

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Regulatory and Certification Landscape

EU Organic Certification (Regulation 2018/848)

Romanian suppliers operating under Regulation (EU) 2018/848 (which replaced Reg. 834/2007 from 1 January 2022) must hold a valid certificate issued by an EU-accredited control body (e.g., ECOCERT, Bureau Veritas, LACON). Buyers should:

Verify the certificate on the OFIS EU Organic Farming Information System database
Confirm the certificate covers the specific product category (berries, dried/processed)
Check that any subcontractor handling the material (e.g., a toll processor) is also certified under the same regulation

Turkish organic exports to the EU require an equivalence inspection certificate under the EU–Turkey organic equivalence arrangement. Note that this arrangement is reviewed periodically; confirm current status with the Turkish Ministry of Agriculture and Forestry (TAGEM) or your logistics provider before contract signature.

EU-GMP and Excipient Audit Standards

For active botanical ingredients used in medicinal products, EU-GMP (EudraLex Vol. 4) certification is mandatory. For excipient-grade applications, the recognised audit standard is EXCiPACT (current version: EXCiPACT:2023), which is accepted by the majority of EU pharmaceutical manufacturers and aligns with IPEC-PQG GMP Guide.

When auditing any supplier — Romanian or Turkish — require:

Current EU-GMP certificate (valid, not expired; check EudraGMDP database)
Or EXCiPACT certificate with scope covering the relevant product category
Last audit report summary (redacted acceptable; scope and major findings must be visible)
HACCP plan covering botanical raw material handling

Turkish TITCK Export Documentation and EMA Type II DMF

Turkey's *Türkiye İlaç ve Tıbbi Cihaz Kurumu* (TITCK) issues export certificates for pharmaceutical-grade botanical materials. For EMA submissions involving a Type II Active Substance Master File (ASMF, formerly DMF):

TITCK's Free Sale Certificate and GMP Certificate for Manufacture of Medicinal Products are the documents recognised by EMA as evidence of regulatory oversight in the exporting country
The ASMF holder (Turkish manufacturer) must submit the Applicant's Part and Restricted Part to EMA; the EU marketing authorisation applicant references the ASMF number
EMA's *Guideline on Active Substance Master File Procedure* (EMA/CHMP/QWP/227/02 Rev.4) specifies the exact format

Decision tree — when does Turkish origin trigger additional pharmacovigilance documentation?

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Is the finished product a Traditional Herbal Medicinal Product (THMP)

under Directive 2004/24/EC?

│

├─ YES → Is there a Community Herbal Monograph for V. opulus at EMA (HMPC)?

│ │

│ ├─ YES (check HMPC monograph list) → Standard THMP dossier applies;

│ │ Turkish origin acceptable with TITCK GMP certificate + ASMF

│ │

│ └─ NO → National competent authority (NCA) decides on a

│ case-by-case basis; expect request for additional

│ traditional use evidence and risk assessment for

│ contaminants specific to Turkish cultivation region

│

└─ NO → Is it a food supplement (Reg. 1925/2006) or novel food?

│

├─ FOOD SUPPLEMENT → No ASMF required; EU Organic cert or

│ ISO 22000 / FSSC 22000 sufficient; country-of-origin

│ declaration required on label (Reg. 1169/2011)

│

└─ NOVEL FOOD → Check EU Novel Food Catalogue;

V. opulus currently not listed as novel food in EU;

confirm with NCA before import

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Romania vs Turkey: What the Trade Data Shows

The following comparative points draw on publicly auditable data sources. Buyers are encouraged to access these sources directly.

EUROSTAT Comext data (CN code 1211 90 — plants and plant parts for pharmaceutical use, dried) shows Turkey consistently ranking among the top five non-EU suppliers of dried medicinal plant material to the EU by volume. Romania is a net exporter within the EU single market. Because *V. opulus* is not tracked at the 8-digit CN level separately, buyers should request supplier-provided customs export data (SAD documents) for lot-level origin verification.

USDA FAS GAIN Reports for Turkey (available at fas.usda.gov) document the Black Sea and Central Anatolian regions as primary *V. opulus* growing zones, with harvest occurring September–October. Reports note that Turkish herb export infrastructure has grown substantially over the 2015–2023 period, with more processors achieving ISO 22000 and organic certification.

| Factor | Romania | Turkey |

|---|---|---|

| Regulatory status | EU member state; full EU-GMP/EU-Organic framework | EU candidate; partial harmonisation; TITCK oversight |

| Typical indicative FOB price — dried berry (Q3 2024 market enquiries) | €8–€14/kg FOB Bucharest | €4–€8/kg FOB Istanbul |

| Typical indic

Pharmaceutical Gılaburu (Viburnum Opulus) Sourcing: Romania vs Turkey