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Buyer’s guide

How to compare pomegranate by-product analysis on a dry-matter basis

Compare pomegranate pomace analyses by first defining the peel, pulp and seed content, then aligning moisture, reporting basis and laboratory methods across crude protein, NDF, ADF, ether extract and ash.

BABulk Ag Exchange
October 2, 2026 · Sourcing editorial

Start with what the pomegranate pomace contains

A pomegranate pomace analysis is only comparable when you know what the sample represents. Pomace may include different proportions of peel, pulp or residual arils, and seeds, depending on how the fruit was processed and the material was separated. The word “pomace” alone does not establish a consistent recipe.

Those components can shift the analysis in different ways. Peel contributes structural plant material and affects fiber measurements; seeds can influence the ether extract result; and residual pulp or arils change the balance of the remaining material. Moisture and processing also matter. Two reports with the same ingredient name may therefore describe materially different products.

Before comparing numbers, establish whether each analysis covers whole pomace or a separated fraction, and whether the material is fresh, dried or otherwise processed. Ask how much seed, peel and pulp is present if those proportions are known. If they are not measured, treat composition as an important unknown rather than assuming the samples are equivalent.

Dry matter basis removes moisture dilution

An as-fed result describes the nutrient concentration in the sample as received, including its water. A dry-matter result describes the concentration after excluding water. When two pomace samples have different moisture contents, an as-fed comparison can make the wetter sample appear lower in nutrients simply because more of its weight is water.

To convert an as-fed concentration to a dry-matter basis, divide the as-fed result by the dry-matter fraction. The dry-matter fraction is one minus the moisture fraction. When both moisture and the result are reported as percentages, the equivalent calculation is: as-fed result ÷ (100 − moisture percentage) × 100. Use the report’s stated units and basis, and do not apply this conversion again to a result already reported on a dry-matter basis.

For example, an analysis with a moisture result and nutrient values labeled “as received” needs a conversion before it can be directly compared with a report labeled “dry matter.” If moisture is missing, the conversion cannot be made reliably. Request the moisture result or a reissued analysis with a clearly stated basis.

Compare each measure with its limits in mind

Crude protein is an estimate based on measured nitrogen, not a direct measurement of every protein component. Its reported percentage should be compared on the same basis, but it should not be treated as a complete description of the pomace’s protein value or suitability for a particular formulation.

Neutral detergent fiber (NDF) and acid detergent fiber (ADF) describe different fiber fractions. They are not interchangeable measures: NDF represents a broader cell-wall fraction, while ADF captures a narrower fraction. Compare like with like, and note the laboratory method used because method differences can affect reported fiber results. Component proportions and processing can also shift these values.

Ether extract is an estimate of material extracted as fat, so seed content and analytical method are relevant when interpreting a result. Ash is the inorganic residue remaining after analysis. It represents mineral matter in the sample, but an ash value alone does not identify which minerals are present or explain why the result is high or low. Each figure is most useful when read alongside identity, method and sample context.

Make the comparison genuinely like for like

Build a side-by-side comparison using the ingredient description, processing state, moisture, and the basis shown for each reported measure. Record whether crude protein, NDF, ADF, ether extract and ash are stated on an as-fed or dry-matter basis. Keep each measure in its own row; converting values does not make different material fractions or analytical methods equivalent.

Distinguish lot-specific results from general research values. A published or general value can provide background about a type of material, but it does not establish the composition of the lot being offered. For a purchasing decision, use an analysis tied to the offered material and check that its sample description matches the product definition.

Do not create acceptance limits from a single report or a broad reference value. Set requirements around the intended use, formulation and the buyer’s quality process. Where a result could affect the decision, clarify the sampling and laboratory method as well as the units and basis.

Turn the analysis into a defined sourcing request

A useful request for pomegranate pomace states the fraction or composition sought, whether the material is fresh or dried, the required quantity and unit, and the destination. Add the receiving or packaging method and identify which analysis results matter to your process. This gives a broker a clear product definition to work from without treating “pomegranate pomace” as a uniform specification.

For each candidate offer, request the lot analysis and its moisture result, with the reporting basis and laboratory methods identified. Check that the analyzed sample corresponds to the same product form and component mix being quoted. Commercial details such as packaging, timing and delivered cost depend on the specific offer and destination.

Visit the pomegranate ingredient page to source a defined form and describe the composition and analysis needed for a meaningful comparison.

Common questions.

Why does dry-matter basis matter when comparing pomegranate pomace?+

It removes water from the comparison. Without a consistent basis, a wetter sample can show lower as-fed nutrient concentrations because water dilutes the measured amount per unit of product.

Can I compare pomegranate pomace reports if both list crude protein and fiber?+

Only after checking that the samples describe comparable material, the values use the same reporting basis, and the laboratory methods are sufficiently comparable. The same ingredient name does not guarantee the same peel, pulp and seed proportions.

Can general composition values replace a lot analysis?+

No. General values can offer background but do not establish the composition of a particular lot. Use an analysis tied to the offered material, with its sample identity, moisture, basis and methods stated.

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