Kudzu Flower Extract Powder

Dried flowers of Pueraria lobata, the purple-flowered kudzu vine, give this extract its identity. Water extraction concentrates the soluble flower fraction, and the liquor is dried to a light brown powder at a 10:1 ratio. Root, leaf and vine are left out of this kudzu flower extract.

The 10:1 ratio carries no marker percentage. The powder is light brown, ground to 80 mesh and water dispersible. The kudzu root extract, the puerarin-graded root extract and the plain root powder are separate products, and the flower is a different raw material from the root.

Pueraria lobata Flower Identity & Plant Part

The botanical entity is Pueraria lobata (Willd.) Ohwi, a climbing legume of the family Fabaceae. The part used is the flower, collected as buds or open flowers in late summer and dried. Root, leaves and vine are not added to this kudzu flower extract.

Kudzu flower and kudzu root are traded as unrelated raw materials. The root is starchy and rich in puerarin, while the flower holds isoflavones of a different pattern, such as tectorigenin and irisolidone glycosides, together with saponins. A specification that says only “kudzu” therefore does not tell a buyer whether root or flower is meant, which is why the part is named in the product title.

Kudzu Flower vs Root & Standardized

FormWhat It IsChoose It When
10:1 Kudzu Flower ExtractWater-extracted, concentrated and dried P. lobata flowerA dispersible flower extract without a marker is wanted
Kudzu Extract Powder10:1 water extract of the rootRoot, not flower, is the required source
Kudzu Root Extract 10–40% PuerarinRoot extract with a defined puerarin rangeThe specification names a puerarin figure
Kudzu Root PowderDried, milled rootStarch-rich root bulk is wanted

Ten parts of kudzu flower yield one part of this powder, so 10:1 describes input and not content. The puerarin figure on the graded product belongs to the root and does not transfer to the flower, so the two cannot be compared on a label.

The flower extract suits blends that want kudzu flower identity in a light, low-starch, dispersible form. It is thinner in a drink than the root extract because the flower carries little starch, and it is lighter in flavor, which lets it sit in beverage powders where a starchy root would cloud the cup.

Typical Specifications

Specification ItemProduct Information
Latin NamePueraria lobata
Plant PartFlower
ProcessingWater Extraction
Common NameKudzu Flower
Ingredient TypeRatio Extract
Extract Ratio10:1
AppearanceLight Brown powder
Solubility / DispersibilityWater Dispersible
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

Application Areas

Floral Tea-Style Powders

Tea-style powders use kudzu flower extract as a dissolvable alternative to steeped blossoms. The cup is a clear amber with a gentle floral-herbal note. Honey, pear or chrysanthemum-style flavors suit it, and the absence of starch keeps the drink bright instead of cloudy.

Capsule Fills

Capsule fills pair the extract with other flower and herb extracts. The powder is fine and light, with moderate hygroscopicity, so humidity at the filling station is kept low. A trial run confirms fill weight, and a small amount of flow aid is considered if the powder dusts.

Film-Coated Tablets

Film-coated tablets hold the extract in a dry core. The soluble flower solids soften in humid air and the brown tone can mottle a pale tablet, so a pigmented coat is used. Hardness is checked after storage at raised humidity.

Light Herbal Gummy Mixes

Gummy mixes accept the extract once the cooked base has cooled. A pale amber tint suits honey, pear and floral flavors, while heavy fruit acid can dull the flavor. Acid is added after the extract is dispersed to keep the taste clean.

Formulation Notes

The powder is light brown with a faint, sweet floral-hay aroma and a mild, slightly bitter taste. In water it dissolves or disperses to a clear to lightly hazy amber liquid. Because flowers are low in starch, the dispersion stays thin and does not set up when it cools.

Premix the powder into a measured part of the dry base before the final blend, which prevents streaks and keeps flavor even. Flower isoflavone glycosides tolerate normal mixing temperatures, though long hot holds deepen the color. A trial at the planned pH confirms whether the amber shade is stable.

Store opened packs with the liner folded tight and a desiccant sachet where possible, since a flower extract that has caked is hard to remix. Kept dry, it returns to a free-flowing powder after a gentle break-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 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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