Platycodon Grandiflorus Extract 10–50% Saponins

The root of Platycodon grandiflorus, the balloon flower grown across Korea, China and Japan for its edible and herbal root, is extracted with ethanol to give this Platycodon grandiflorus extract. The concentrate is dried and milled to a light brown, 80 mesh powder that dissolves in water, with a bitter, slightly acrid root note.

Total saponins are measured by UV and offered as a 10–50% range, with 50% as the primary grade and 10% as the lower grade. Platycodin D is tracked as a second marker. The higher grade suits compact capsules and tablets, while the lower grade suits drink powders that can carry more of the root.

Saponin Standardization & Grades

The root of Platycodon grandiflorus (Jacq.) A.DC. is a rich source of triterpenoid saponins called platycosides, which are built on the aglycones platycodigenin and polygalacic acid and carry sugar chains at two positions. The best-known of them, platycodin D, is a defining compound of the root, and the family is the reason the root foams when it is boiled in water. Standardizing a Platycodon grandiflorus extract to total saponins gives buyers one figure for this fraction as a group.

GradeAssay & MethodWhere It Fits
10% SaponinsUVDrink powders, higher-inclusion blends
50% SaponinsUVCapsules and tablets, small fill weight

The span is fivefold, so grade choice follows dose and carrier. At 50% the extract carries five times the saponin of the 10% grade per gram, which allows a compact capsule. At 10% the powder keeps more of the root matrix, including inulin-type fructans, and dissolves quickly into beverages. The same root is also supplied as a 10:1 ratio extract without a marker figure, the Balloon Flower Root Extract Powder, and as a milled root, Balloon Flower Root Powder.

The root is the only part used. Leaves, stems and flowers of the plant carry little of the saponin fraction and are not part of this identity.

The root is harvested after two to three years, when the swollen taproot is large. It is washed, and in some traditions peeled, then sliced and dried before extraction, and the peeled and unpeeled material differ in their saponin share because the cork carries part of it. A Platycodon grandiflorus extract is therefore defined by the species, the root and the saponin figure.

Saponin Analysis & Purity Risks

The UV method for total saponins is colorimetric. The saponins react with vanillin and strong acid, and the color that develops is read against a saponin reference standard.

The second marker is measured separately by chromatography. Platycodin D is a defined platycoside, and its share of the total tells how much of the saponin fraction is the characteristic compound. A lot with a high total and a low platycodin D share has a different saponin balance from one where the two rise together, and the balance depends on the extraction and the processing of the root.

Identity is read from the fingerprint. The platycoside cluster, with platycodin D, platycoside E and the deapiosylated forms, forms a pattern typical of the root and separates a Platycodon grandiflorus extract from other saponin-rich roots sold in the same grade range. Because platycosides have little UV absorbance, detection is at a low wavelength or by an evaporative light scattering detector.

The botanical risk is the neighboring roots. Codonopsis pilosula (dangshen), the bellflower relatives of the genus Adenophora and other campanulaceous roots look similar when dried and cut, and they are sold in the same markets under similar names. They carry different saponin profiles or few saponins. The identity fixes the species and the root as the material.

Sugars are a second issue. The root is rich in fructans and free sugars, which react in the acid color step and raise the apparent total, so a 50% extract depends on a purification step that removes them. Raw root is washed, peeled in some traditions and dried, and peeled and unpeeled root differ in their saponin content.

Sample preparation affects the reading. The extract is dissolved in aqueous alcohol and cleared by centrifugation or filtration, and the solution is diluted into the working range before the color reaction.

Typical Specifications

Specification ItemProduct Information
Latin NamePlatycodon grandiflorus
Plant PartRoot & Rhizome
ProcessingEthanol Extraction
Compound ClassSaponins
Common NamePlatycodon, Balloon Flower
Ingredient TypeStandardized Extract
Marker Compound(s)Saponins; Platycodin D
Primary Grade50% Saponins (UV)
Available Grades10% · 50% Saponins (UV)
AppearanceLight Brown powder
Solubility / DispersibilityWater Soluble
Quality Parameters
Moisture (LOD)≤5.0%
Total Ash≤5.0%
Particle Size80 mesh
Heavy MetalsLead ≤2 ppm · Arsenic ≤1 ppm · Cadmium ≤1 ppm · Mercury ≤0.1 ppm
MicrobiologyTPC ≤1,000 cfu/g · Yeast & Mold ≤100 cfu/g · E. coli Negative · Salmonella Negative/25 g
Shelf Life24 months in unopened original packaging, cool and dry storage

Applications by Grade

50% Grade in Dense Capsule Fills

The 50% grade of Platycodon grandiflorus extract reaches a saponin target in a small fill, which suits two-piece capsules. The powder is hygroscopic and traps air, so a dry filling room and a flow agent that does not whip up foam keep capsule weights steady.

50% Grade in Moisture-Barrier Tablets

Tablets of the 50% grade need a dry binder and a moisture-barrier film coat, because the saponin-rich powder softens in humid air. Direct compression works at low inclusion, while heavier loads call for granulation and a hardness check after a month of storage.

10% Grade in Bitter-Root Drink Powders

The 10% grade of Platycodon grandiflorus extract dissolves into instant drink powders and stick packs. The root’s bitter, slightly acrid taste is mellowed by honey, pear or ginger flavors, and a low-shear mix keeps the foam down when the powder is stirred into water.

10% Grade in Syrup and Jelly Bases

Syrups and jellies carry the 10% grade dissolved in the aqueous phase. The fructans thicken the base slightly and the saponins foam during filling, so a defoamer or a vacuum step controls air, and viscosity is checked after a week of storage.

10% Grade in Granule Sachets

Granulated sachets carry the 10% grade with a malt or sweet-root base. The extract is hygroscopic, so it is dosed late and kept apart from damp ingredients, and the blend is sampled from several depths to confirm that the saponins are evenly spread.

Technical & Quality Considerations

Platycodon grandiflorus extract is a light brown powder with a bitter, slightly acrid and earthy character. It dissolves in water to a clear to slightly hazy brown solution, and the dissolved saponins are surface-active, so agitation produces a persistent foam.

Platycosides are fairly stable to heat and mild acid. Strong acid and prolonged heat cleave the sugar chains, and enzymes can remove the terminal sugars, which changes the platycodin profile and the taste. Neutral to mildly acidic bases and short heat treatment keep the profile steady, and enzyme-free ingredients avoid hydrolysis.

Closed charging and local extraction keep the fine saponin dust out of the air at the filler.

A receiving check helps: a light brown, fine powder with a mild bitter note is expected, while hard lumps point to moisture uptake and a caramel smell points to heat damage. Then an accelerated stability run in the intended pack shows early whether flow, color and clarity hold across the shelf life.

A quick look at the lot at receipt is useful. A light brown, fine powder with a mild bitter smell is expected for Platycodon grandiflorus extract, while an orange cast points to heat damage and a sour smell suggests that the root was stored wet before extraction.

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 ItemGeneral Information
SampleAvailable upon request for formulation, testing, and supplier evaluation
Order Quantities100 g · 1 kg · 5 kg · 25 kg · 100 kg · 500 kg · Bulk
Sample Lead TimeTypically 5–7 days after sample confirmation
Production Lead TimeTypically 15–30 days after order and specification confirmation
PackagingSuitable protective inner packaging with bags, cartons, drums, or other appropriate outer packaging
StorageStore 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.
DocumentationCOA · 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.

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