Description
WHOLE PLANT POWDER
Vitis vinifera L. — Whole fruit powder (no assay)
葡萄粉 is a whole-material powder with no extraction step, so there is no assay to compare. Buyers decide on particle size, moisture and microbial load instead.
COA-Backed Specification
| Identity | Vitis vinifera L. |
|---|---|
| Plant part | Fruit |
| Form and colour | Light purple to beige powder |
| Assay | Whole fruit powder (no assay) |
| Method | Identity and microbiology per batch |
| Particle size | 98% through 80 mesh |
| Loss on drying | Within the limits of the approved specification |
| Ash | Within the limits of the approved specification |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Shelf life | Two years when stored properly |
Limits shown are the agreed specification. Result values are issued on the batch-specific certificate of analysis.
Buyer Decision Guide
Confirm mesh size, moisture and whether a carrier was added. Whole powders are often cut with carrier without saying so.
- Assay / grade: Whole fruit powder (no assay), tested by Identity and microbiology per batch.
- Identity: Vitis vinifera L., Fruit.
- Appearance: light purple to beige powder.
- Dispersible in water but not soluble; expect sediment without a stabiliser.
- Packing and storage: sealed food-grade liner in an export carton or fibre drum; keep cool and dry.
- Documentation: COA, specification sheet and SDS issued with each batch.
How This Grade Differs
No whole-material powder of this product was listed on the site before this page. This is a powder, not an extract: there is no ratio and no assay to quote.
Quality and Documentation
Released on a batch certificate covering assay or grade, identity, moisture, heavy metals and microbiology.
Frequently Asked Questions
How long can we hold stock before use?
Two years from the manufacture date when the pack stays sealed and dry.
How is identity confirmed on the COA?
Identity is confirmed against Vitis vinifera L., with the plant part recorded as Fruit.
How recent is the representative batch shown?
The batch referenced is issued per lot; your shipment is released on its own certificate rather than the representative one.
Is the mesh size fixed or adjustable?
Standard supply is 98% through 80 mesh, and alternative cuts can be agreed in the written specification.
Which impurity limits are declared?
Moisture and ash are held within the approved specification limits, with heavy metals and microbiology tested on every lot.
How is the material shipped?
Air and sea freight are both arranged, with the mode chosen against volume, destination and required date. Documents and the HS code are issued with the shipping instructions.
Are you a manufacturer or a trading company?
LongBio is Shaanxi Longsheng Biotechnology Co., Ltd., a direct manufacturer of botanical extracts and functional ingredients integrating R&D, production and export support. Factory review can be arranged by video or an on-site visit.
What is the minimum order quantity?
The regular MOQ is typically 1 kg. An evaluation sample of 10-20 g can usually be arranged before a formal order, subject to stock.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
Get the current batch COA, a sample or a quotation




