Rhodiola rosea Extract 3% Rosavins + 1% Salidroside

Rhodiola rosea extract comes from the root and rhizome of Rhodiola rosea, the arctic and alpine golden root, and not from other Rhodiola species or from the aerial parts. Ethanol extraction takes up the glycosides of the root, and the liquor is dried to a light brown powder.

The grade is 3% rosavins plus 1% salidroside, both measured by HPLC. The powder is 80 mesh and water soluble. A single dual-marker grade is supplied, which suits capsules, tablets and drink powders that need a defined glycoside profile with a characteristic ratio of the two marker groups.

SKU: BOT-STX-0027 Category: Standardized Extracts Tags: Ethanol Extracted, Gummies & Chews, Polyphenols, Rhodiola, Root & Rhizome, Standardized Extracts

Rosavin and Salidroside Standardization & Grades

Rhodiola rosea carries two groups of marker glycosides. The rosavins are cinnamyl alcohol glycosides, a group of three compounds called rosavin, rosarin and rosin. Salidroside is a different compound, a glucoside of tyrosol. The two groups are quantified separately, and the grade names both, with a ratio of three to one. Rosavins are the more specific of the pair, because salidroside is found in many other Rhodiola species. The botanical entity is Rhodiola rosea L., a member of the Crassulaceae, and the part used is the root and rhizome.

The grade is a single dual-marker level, so there is no tier to choose between. A Rhodiola rosea extract that lacks rosavins, or that shows a very different ratio, is a sign of another species or of mixed material. The root is also supplied as a 10:1 ratio extract in two product lines, the Rhodiola Rosea Extract Powder and the Rhodiola Extract Powder, which carry no marker figure, and as a milled root, the Rhodiola Root Powder. The standardized product is the choice when a defined glycoside ratio is the specification. The ratio of three to one is close to the natural proportion in the root, and Rhodiola rosea extract that departs from it deserves a closer look at the species and the part.

Rosavin and Salidroside Analysis & Purity Risks

Both markers are measured by HPLC against reference standards for rosavin and salidroside. The rosavin group is summed from its three members, and salidroside is read as one compound. A UV total or a gravimetric glycoside figure would count every phenolic glycoside in the root and cannot be converted into an HPLC result. The 3% and 1% are separate figures, and each has to be met. Peak identification needs reference standards for rosavin, rosarin, rosin and salidroside, since the three cinnamyl glycosides elute close together and are separated only on a well-packed column.

The ratio between the two groups is a fingerprint. In authentic roots of the species, rosavins are present at a higher level than salidroside, which is why the label carries three to one. A material in which salidroside dominates and rosavins are low or absent points to another species, to stems or leaves, or to an extract that has been adjusted with added salidroside.

Purity risks are among the best documented of any botanical. Rhodiola crenulata is a recognized adulterant of Rhodiola rosea supply, and it contains salidroside but no rosavins. Rhodiola sachalinensis contains rosavin and rosarin, so rosavin alone does not prove the species. A published market survey found that a share of products labelled as Rhodiola rosea contained no rosavins at all. Fixing species and part, and reading both markers together with a fingerprint, are the first identity checks.

Typical Specifications

Specification Item	Product Information
Latin Name	Rhodiola rosea
Plant Part	Root & Rhizome
Processing	Ethanol Extraction
Compound Class	Polyphenols
Common Name	Rhodiola, Golden Root, Roseroot
Ingredient Type	Standardized Extract
Marker Compound(s)	Rosavins (cinnamyl alcohol glycosides) and salidroside (tyrosol glucoside)
Primary Grade	3% Rosavins + 1% Salidroside (HPLC)
Appearance	Light Brown powder
Solubility / Dispersibility	Water Soluble
Quality Parameters
Moisture (LOD)	≤5.0%
Total Ash	≤5.0%
Particle Size	80 mesh
Heavy Metals	Lead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
Microbiology	TPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life	24 months in unopened original packaging, cool and dry storage

Applications by Grade

Dual-Marker Grade for Capsules

The grade fills capsules and tablets with a defined glycoside ratio. The light brown powder is water soluble and hygroscopic, so fill in a dry room, and use a desiccant in the closure of the bottle to keep the hopper from clogging.

Dual-Marker Grade in Tablet Blends

Tablets need a dry binder and a moisture-tolerant filler, because the glycoside powder softens compacts as it takes up water. Test hardness after a week of storage, and use a barrier coat or sealed blister in humid markets.

Marker-Ratio Powder in Drink Mixes

Rhodiola rosea extract dissolves in water to a clear, light brown solution with a mild rose-like aroma and a slightly bitter edge. It suits drink mixes with citrus, berry or ginger flavors and a sweetener to round off the taste.

Standardized Root Extract in Stick Packs

Stick packs carry the extract with a flow agent and a fine carrier. Seal the packs in moisture-barrier film, because the hygroscopic powder clumps at the seal, and keep the sticks cool so that the aroma stays fresh.

Root Glycosides in Gummy Premixes

Gummy premixes accept the extract because it is soluble in warm syrup. Add it after the main cook, since long heat holds and high pH degrade glycosides, and check the aroma and bitterness after storage.

Root Glycosides in Effervescent Tablets

Effervescent tablets work with a soluble powder. The acid in the tablet keeps the glycosides stable in solution, and a dry compression room avoids early reaction between the powder and the effervescent base before the tablet is dissolved.

Technical & Quality Considerations

The extract is a light brown powder with a faint rose-like, herbal odor and a mildly bitter, astringent taste. It is water soluble, and solutions are clear to slightly hazy and brown. Glycosides of the rosavin and salidroside type are stable in neutral and mildly acidic systems but can break down in strong alkali and in long hot holds, so avoid high pH and prolonged heating.

For production, control humidity in weighing and filling, since the powder gains moisture and cakes. Sieve before blending to break up soft lumps, and pre-blend with a portion of the carrier so that the extract disperses evenly. A fine flow aid helps the powder through hoppers and feeders, and a dedicated scoop avoids cross-contact with pale products.

In liquids, add the powder under agitation to a base at a moderate pH, and avoid storing the solution for long periods at room temperature. The rosy aroma of the dried root is faint in the extract, so aroma is not an identity test. Storage stability depends mostly on moisture and heat: a sealed liner and a cool store keep the glycoside content close to its release figure, and a sample from each lot tested again late in shelf life shows how the packaging performs. Keep the drum sealed and away from light and heat, compare each lot with a retained sample for color, aroma and the rosavin and salidroside peaks, and run a stability trial in the real formula before scale-up.

Packaging & Commercial Supply

Essencefield supports product evaluation, formulation trials, commercial orders, and ongoing ingredient supply. Packaging, storage, and shipping arrangements are determined by product characteristics, order quantity, stability requirements, and destination-market needs.

Supply Item	General Information
Sample	Available upon request for formulation, testing, and supplier evaluation
Order Quantities	100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead Time	Typically 5–7 days after sample confirmation
Production Lead Time	Typically 15–30 days after order and specification confirmation
Packaging	Suitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
Storage	Store in tightly sealed, suitable protective packaging in a cool, dry environment. Protect from moisture, heat, and direct sunlight. Specific storage conditions follow the approved product specification.
Documentation	COA · Product Specification · TDS · SDS · Applicable declarations (as applicable)

Final order quantities, lead times, packaging, documentation, and shipping arrangements are confirmed according to the selected product and commercial requirements.