Fenugreek Extract 50% Saponins

Fenugreek extract is prepared from the seed of Trigonella foenum-graecum, the annual legume used as a spice, and not from the leaves that are sold as methi. Ethanol extraction takes up the steroidal saponins of the seed, and the liquor is dried to a light brown powder that dissolves in water.

The grade is 50% saponins by UV, a colorimetric total. The powder is 80 mesh and water soluble. A single grade is supplied, which suits capsules, tablets and dry blends that need a high, defined saponin load in a small fill with the gum fraction of the seed removed.

SKU: BOT-STX-0033 Category: Standardized Extracts Tags: Ethanol Extracted, Fenugreek, Gummies & Chews, Saponins, Seed & Grain, Standardized Extracts

Saponin Standardization & Grades

Fenugreek saponins are steroidal glycosides: a spirostanol or furostanol skeleton with sugar chains attached. On hydrolysis they release the aglycones diosgenin, yamogenin and tigogenin, and these are named in the chemistry of the seed. The seed holds only a small share of saponin by weight, so a 50% grade is a purified concentrate, not a ground seed. The grade reports the total of saponin-type glycosides and not one compound. The botanical entity is Trigonella foenum-graecum L., and the part used is the seed.

The grade is a single level at 50%, so the choice is between fenugreek materials, not between tiers. The seed also holds a galactomannan gum, which swells in water and forms a thick gel, and it is the reason that a plain fenugreek powder behaves differently from a saponin concentrate. Fenugreek is supplied as a 10:1 ratio extract, the Fenugreek Extract Powder, and as the purified compounds Trigonelline 98% and 4-Hydroxyisoleucine. These are different materials from a saponin extract, and fenugreek extract at 50% saponins has little of the gum, the alkaloid or the amino acid. It is also a very different material from the seed itself. The ground seed is dominated by gum, protein and fiber. The concentrate has most of them removed, so it flows, dissolves and tastes differently, and it cannot replace the seed in a formula on a weight-for-weight basis.

Saponin Analysis & Purity Risks

The saponin figure is measured by UV. The result is expressed on that reference and counts every glycoside that gives the reaction. It is not an HPLC result, and it cannot be converted into a figure for one saponin or for diosgenin.

The reaction is not specific. Other seed constituents, such as sterols, can contribute color, so the method suits comparison of lots made by the same route and read in the same laboratory. The data for this product lists 4-hydroxyisoleucine grades by HPLC as a different specification, and that amino acid is separate from the saponin fraction and is not part of this grade.

Sample preparation affects the reading. The powder must be dissolved fully, and the reaction time and temperature must be controlled, because the color continues to develop. A blank corrects for pigment in the extract. The reference saponin belongs with the figure, since a different standard gives a different percentage.

Purity risks follow from the seed. Fenugreek seed, leaf and sprouts are separate materials. The seed carries galactomannan, trigonelline, 4-hydroxyisoleucine and a trace of the aroma compound sotolon, while the leaf has a different composition. A fixed part and a fingerprint of the saponin cluster protect identity better than the colorimetric total alone.

Typical Specifications

Specification Item	Product Information
Latin Name	Trigonella foenum-graecum
Plant Part	Seed & Grain
Processing	Ethanol Extraction
Compound Class	Saponins
Common Name	Fenugreek, Methi Seed
Ingredient Type	Standardized Extract
Marker Compound(s)	Saponins (steroidal saponins, diosgenin-type)
Primary Grade	50% Saponins (UV)
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

50% Grade for Dense Capsules

The 50% grade supplies a saponin load from a small fill, which suits capsules and tablets. The light brown powder is hygroscopic and foams when wetted, so fill in a dry room and use a desiccant in the closure of the bottle.

50% Grade in Tablet Blends

For fenugreek, tablets of the 50% grade need a dry binder and a moisture-tolerant filler, because saponin powders take up water and soften compacts. Test hardness after storage, and use a barrier coat to protect the tablet from humidity.

Saponin Powder in Dry Premixes

Dry premixes carry the powder in a blend with other seed or herb extracts. Pre-blend it with a portion of the carrier, and expect foam when the mix is stirred into water, which a defoamer or gentle mixing controls well.

Soluble Seed Extract in Drink Mixes

Fenugreek extract dissolves in water to a pale to light brown solution with a mild, maple-like aroma. It foams when stirred, so mix gently, and pair it with spice, cocoa or caramel flavors that suit the seed note.

Saponin Powder in Stick Packs

Stick packs carry the powder at a low fill with a flow agent. Seal the packs in moisture-barrier film, because the soluble powder clumps at the seal, and the clumps dissolve slowly and leave foam in the cup when the stick is stirred.

Saponin Powder in Gummy Premixes

Gummy premixes accept the powder because it dissolves in warm syrup. Add it after the main cook and stir gently to avoid trapped air, since saponin foam leaves bubbles in the finished gummy and clouds the surface.

Technical & Quality Considerations

For fenugreek, for fenugreek, the extract is a light brown powder with a faint spiced, maple-like odor and a bitter taste. It is water soluble, and saponin solutions foam when stirred. For fenugreek, foam can complicate liquid filling and tablet granulation, so add the powder slowly below the liquid surface or use a compatible antifoam.

For fenugreek, for fenugreek, for production, control humidity in weighing and filling, and keep the powder in a sealed liner. Sieving before the blend breaks up soft lumps, and a pre-blend with part of the carrier helps the extract disperse evenly.

Fenugreek has a strong aroma that transfers to neighboring ingredients, so keep the fenugreek extract in a sealed liner and away from delicate flavors. Compare each lot with a retained sample for color, odor and taste, and run a stability trial in the real formula. Clean the line after a run, because the sticky, aromatic residue holds odor and carries it into the next product. A sealed liner and a cool store also protect the powder from caking, and a sample from each lot tested again late in shelf life shows whether the packaging holds. The galactomannan gum is largely removed in a 50% concentrate, but traces can still thicken a hot solution, so a viscosity check in the final drink is worthwhile.

Fenugreek extract at 50% saponins should be compared with a retained sample for foam height and aroma, since both reflect the saponin load and the seed note, and a lot that foams weakly or smells flat deserves a closer look.

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.