Xylaria Nigripes Extract Powder

Xylaria nigripes extract is made from the fruiting body of the black-foot Xylaria, a wood-decay fungus known in Chinese as wuling shen, and not from the grain culture it is sometimes grown on. The soluble fungal fraction is taken up by water extraction and the resulting liquor is dried to a light yellow powder.

Supplied as a 10:1 ratio extract, supplied at 80 mesh and dispersing readily in water. This Xylaria nigripes extract carries no polysaccharide or amino acid percentage, and there is no powder or standardized sibling of the same fungus in the range to compare it with.

Xylaria nigripes Fruiting Body Identity

The botanical entity is Xylaria nigripes (Klotzsch) Cooke, a fungus of the family Xylariaceae that forms hard, dark, club-shaped bodies in association with termite nests. Mycological databases treat the name as a synonym of Podosordaria nigripes. The part used is the fruiting body as recorded in the specification, and culture substrate and spores are not part of this Xylaria nigripes extract. Several Xylaria species form dark bodies sold as wuling shen, so the botanical name and the part are the identity. The fungus is known for polysaccharides, ergosterol, free amino acids including gamma-aminobutyric acid, nucleosides and small amounts of phenolics, and the water extract keeps the soluble members.

Dark, hard bodies of the genus are usually collected from or near termite nests, and their appearance varies with age.

What 10:1 Means for Xylaria Nigripes

The 10:1 figure expresses how much dried fungus goes into the extract and is not a content of any one compound. The range holds no Xylaria powder and no standardized grade, so the ratio extract is the one form on offer. Hard, dark fungal bodies are difficult to mill finely and disperse poorly, which gives a dried water extract a practical advantage in drinks and sticks. A buyer picks this ingredient when the formula names Xylaria nigripes and needs a soluble-leaning solid with manageable handling. Regional differences in the strains traded as wuling shen make a written species name and part essential for repeat orders.

Typical Specifications

Specification ItemProduct Information
Latin NameXylaria nigripes
Plant PartMushroom & Fungi
ProcessingWater Extraction
Common NameWuling Shen, Black-Foot Xylaria
Ingredient TypeRatio Extract
Extract Ratio10:1
AppearanceLight Yellow 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

Mushroom-Blend Capsules

Capsules take the Xylaria nigripes extract alone or in blends with other mushroom extracts. The solid is hygroscopic, so a dry filling room and prompt sealing prevent sticking, and weight checks keep the fill uniform. Check the fill weight per lot when the blend ratio changes.

Umami-Neutral Tea Sticks

Powder sticks carry the extract with ginger, honey or citrus flavors in a sweetened carrier. The cup is pale amber and lightly hazy, and weight-based dosing keeps the dispersed fraction consistent. Hot water releases the savory notes more than cold water does.

Pale-Base Drink Mixes

Instant drink powders take the extract dry in oat, soy-style or milk-style bases, where its light yellow tint is hidden. Amino acids in the solid add a mild savory note that sweet flavors cover. Oat and milk-style bases suit the savory edge.

Light Fruit Gummies

Gummies take the extract after the main cook, because free amino acids and sugars brown under long heat. Its pale color suits yellow and orange gummies, and the dispersible solid avoids dark specks in a gel. Acid fruit bases keep the savory note quiet.

Formulation Notes

The Xylaria nigripes extract is a light yellow powder with a faint earthy, mushroom-like odor and a mildly savory-bitter taste. In water it disperses into a pale, lightly hazy liquid, since polysaccharide fragments stay partly suspended while amino acids and sugars dissolve. The powder absorbs humidity from room air, leaving a sticky surface layer on open containers.

Premix the Xylaria nigripes extract with a free-flowing carrier before it meets liquid, so that the powder wets evenly and does not form gel-coated clumps. Amino acids and reducing sugars brown together under heat, so add the extract late in any cooking step. After the first draw, reseal the liner against the powder and keep the drum on a dry pallet. A small hazy sediment may form in standing solutions of the extract, so shake or stir before dosing from a stock solution.

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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