Shan Yao (Chinese Yam) Extract for Functional Beverages – OEM Guide
September 24, 2026 | by supersuper

Direct answer: Shan Yao (Chinese Yam) extract is a 100:1 water-soluble powder of Dioscorea polystachya tuber, standardised as a phytonutrient concentrate with a 24-month shelf life. For functional beverage OEM, a brand owner must specify the extraction ratio, solubility, pH range (4–6), heavy-metal and microbial limits, and confirm JAKIM halal certification on every lot before commissioning a finished product.
Shan Yao — known in Chinese as 山药 — is the tuber of Dioscorea polystachya, a climbing yam long valued in East-Asian cuisine for soups, tonics and congee. As a functional beverage ingredient, it offers a water-soluble, neutral-pH powder that disperses easily into both liquid and dry systems, making it a practical choice for pouch beverages, liquid bottles and powder sachets alike.
For a brand owner evaluating this ingredient for OEM production, the key decisions are not about the tuber itself but about the specification: what extraction ratio to require, which CoA parameters to insist on, how the powder behaves in the chosen format, and how the halal chain is documented from raw material to finished product. This guide covers each of those decisions in turn.
What Is Shan Yao (Chinese Yam) Extract?
Chinese Yam (Dioscorea polystachya) is a tuber crop native to East Asia, where the peeled tuber — Shan Yao — has been used as a food ingredient for centuries. The fresh tuber is starchy, mucilaginous and perishable, which makes it impractical for direct use in beverage manufacturing. A standardised extract powder solves this: the tuber is concentrated into a 100:1 ratio, dried into a stable, free-flowing off-white powder that is fully soluble in water, with a characteristic but mild odour and a pH of 4–6.
For formulators, the 100:1 ratio means that 100 kg of raw tuber yields 1 kg of extract powder. This concentration delivers a consistent, easy-to-dose, easy-to-transport raw material in place of variable fresh-tuber inputs. The powder is clean-label — vegan, non-GMO, gluten-free (below 20 ppm), not irradiated — and carries a 24-month shelf life when sealed and stored cool and dry.
Typical Specification and Certificate of Analysis
Every lot of Shan Yao extract powder should arrive with a Certificate of Analysis (CoA) confirming the parameters below. A brand owner commissioning a functional beverage should require these specifications in writing before production begins, and verify each lot against them on delivery.
| Parameter | Typical Specification |
|---|---|
| Botanical origin / part | Dioscorea polystachya, tuber |
| Extraction ratio | 100:1 |
| Appearance | Fine powder, off-white |
| Odour | Characteristic |
| pH | 4–6 |
| Moisture | < 10% |
| Solubility | Soluble in water |
| Heavy metals (As, Pb, Hg) | As ≤ 0.1 ppm, Pb ≤ 0.2 ppm, Hg ≤ 0.1 ppm |
| Microbial (APC, Y&M, coliforms, E. coli) | APC ≤ 10⁴ cfu/g, Y&M ≤ 10³ cfu/g, coliforms ≤ 10² cfu/g, E. coli absent |
| Shelf life | 24 months sealed, cool & dry |
| Certifications | JAKIM Halal, FSSC 22000, GMP, HACCP, MeSTI, US FDA registered |
The pH range of 4–6 is particularly relevant for beverage formulation: it sits comfortably within the acidified-beverage window, meaning the extract will not destabilise a typical functional drink matrix. Water solubility ensures the powder disperses without leaving sediment, and the low moisture content (below 10%) supports microbial stability throughout shelf life.
Format Options for Functional Beverage OEM
Shan Yao extract powder is versatile across Bionutricia’s approved OEM formats. Three are particularly well suited to functional beverage applications:
| Format | How Shan Yao Fits |
|---|---|
| Pouch beverage | Water-soluble powder disperses directly into a ready-to-drink pouch; pH 4–6 is compatible with acidified beverage matrices. |
| Liquid bottle | Same solubility advantage; off-white powder is visually neutral in clear or lightly coloured beverages. |
| Powder sachet | Single-dose sachet for reconstitution; low moisture supports shelf stability without refrigeration. |
The choice between these formats depends on the brand owner’s distribution channel, target consumer and shelf-life requirements. A pouch beverage or liquid bottle suits a ready-to-drink retail product; a powder sachet suits a health-channel or direct-to-consumer product where the buyer mixes the drink at home. In all three, the extract’s water solubility and neutral pH simplify formulation — there is no need for additional solubilisers or pH adjustment beyond what the beverage matrix already requires.
For brand owners seeking a liposomal option, Herbosomal® — Bionutricia’s proprietary liposomal encapsulation and sustained-release technology (registered trademark; patent-pending PI2023005773) — is available for this active. The patented enzymatic ultrasonic extraction (MY-188945-A) used to produce the extract powder itself ensures a standardised phytonutrient concentrate without added fillers or preservatives.
Halal Chain and Certification Requirements
Shan Yao extract powder produced by Bionutricia carries JAKIM Halal certification, verifiable on the Halal Malaysia portal. For a brand owner targeting halal-conscious markets — particularly Southeast Asia, the Middle East and global Muslim diaspora communities — this certification is a non-negotiable requirement, not a marketing add-on.
The halal chain extends beyond the finished extract. A brand owner should verify that the manufacturer holds current JAKIM Halal certification for the specific ingredient, that raw-material suppliers are also halal-certified or halal-compliant, and that storage and handling follow MS 1500:2019 segregated-storage requirements. Bionutricia’s manufacturing facility in Sungai Buloh, Selangor, operates under JAKIM Halal certification alongside FSSC 22000, GMP, HACCP, US FDA registration and MeSTI — providing the full certification stack a brand owner needs for export-ready functional beverage products.
Why Standardisation Matters for Shan Yao in OEM
The 100:1 extraction ratio is the primary quality anchor for Shan Yao extract powder. It tells the formulator that every kilogram of powder represents 100 kilograms of raw tuber, concentrated into a water-soluble form. But the ratio alone is not enough: batch-to-batch consistency depends on the CoA parameters being met on every lot, not just the first.
A brand owner should require a CoA with each delivery and check three things: that the heavy-metal limits are within specification (arsenic, lead and mercury each have defined ceilings), that the microbial counts are within limits (aerobic plate count, yeast and mould, coliforms, and E. coli absence), and that the physical properties — appearance, pH, moisture, solubility — match the agreed specification. If any parameter drifts between lots, the finished beverage’s stability, taste and shelf life can be affected.
This is why the extraction process matters. Bionutricia’s patented enzymatic ultrasonic extraction (MY-188945-A) produces a standardised concentrate under controlled conditions, reducing the variability that comes with unassisted extraction methods. For a brand owner, this means the powder in lot 50 should match the powder in lot 1 — and the CoA is the document that proves it.
Manufacturing a Shan Yao Functional Beverage Under Your Own Brand
Bionutricia offers full OEM and ODM manufacturing for Shan Yao-based functional beverages, from formulation development through to private-label and own-brand production. The approved formats for this ingredient include pouch beverages, liquid bottles and powder sachets — each suited to different distribution channels and consumer preferences. The patented enzymatic ultrasonic extraction (MY-188945-A) underpins the extract powder’s standardisation, and Herbosomal® liposomal encapsulation is available as an option for brand owners seeking a differentiated format. The manufacturing facility in Sungai Buloh, Selangor, operates under JAKIM Halal, FSSC 22000, GMP, HACCP, US FDA registration, MeSTI and NanoVerify — the full certification stack required for export-ready functional beverage products. Brand owners can explore the Supplement Sachet OEM Manufacturer Malaysia page for more detail on Bionutricia’s sachet manufacturing capability.
Frequently Asked Questions
What extraction ratio should I specify for Shan Yao extract in a functional beverage?
Specify a 100:1 extraction ratio of Dioscorea polystachya tuber. This means 100 kg of raw tuber is concentrated into 1 kg of extract powder. Confirm the ratio on the CoA for every lot, as it is the primary indicator of concentration and consistency.
Is Shan Yao extract powder water-soluble?
Yes — the powder is fully soluble in water, with a pH of 4–6 and moisture below 10%. This makes it suitable for direct dispersion into pouch beverages, liquid bottles and powder sachet reconstitution without additional solubilisers.
Is Shan Yao extract halal certified?
Bionutricia’s Shan Yao extract powder carries JAKIM Halal certification, verifiable on the Halal Malaysia portal. The manufacturing facility in Sungai Buloh also holds FSSC 22000, GMP, HACCP, US FDA registration and MeSTI. A brand owner should request the current halal certificate for the specific ingredient before production.
What is the shelf life of Shan Yao extract powder?
The shelf life is 24 months when sealed and stored in a cool, dry environment away from pests. The low moisture content (below 10%) supports microbial stability throughout this period. Brand owners should confirm storage conditions with their manufacturer and build them into their distribution plan.
Which OEM formats work best for a Shan Yao functional beverage?
Pouch beverages, liquid bottles and powder sachets are the most suitable formats. The powder’s water solubility and neutral pH (4–6) make it compatible with acidified beverage matrices in all three formats. The choice depends on the brand’s distribution channel, target consumer and shelf-life requirements.
Related Guides
- Shelf-Stable vs Refrigerated Functional Beverage: Which Format Fits Your Distribution Channel?
- Single-Herb vs Multi-Herb Blend Formulation: Which Is Right for Your OEM Brand?
- Pouch Beverage vs Bottled Liquid Supplement: Which Format for Your Brand?
To request a quotation for a Shan Yao functional beverage under your own brand, email ng@bio-nutricia.com or submit an enquiry through our website. Bionutricia’s integrated manufacturing facility in Sungai Buloh, Selangor, Malaysia, provides formulation development, private-label OEM/ODM manufacturing, JAKIM Halal certification, FSSC 22000, GMP, HACCP, US FDA registration, MeSTI and NanoVerify under one roof.
Article by Bionutricia R&D Team. Last updated: 30 September 2026.
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