Tea extract cost calculator
One powder, one declared analyte and one theoretical input target. Enter your own report and quote; no supplier data is prefilled. This is not a dose recommendation, safety assessment, recovery measurement or finished-product claim.
Local calculation only: entries are not saved, transmitted or attached to inquiries. No liquid-volume conversion or native-extract denominator is supported.
Use plain nonnegative decimals with a dot, at most 16 meaningful digits (ignore leading zeros and trailing zeros). No signs, exponents, commas or automatic rounding of unsupported precision. Results are approximate, not financial accounting.
No calculation yet. Complete the required report and target fields.
Equations, limits and declared example
1% w/w = 10 mg/g. A 0.4% report means 4 mg/g, not 40%. Dry-basis conversion: first convert a percentage assay (percentage number × 10) to mg/g. Supplied assay (mg/g) = dry-basis assay (mg/g) × (1 − confirmed correction% / 100). Synthetic arithmetic example: a 0.4% dry-basis assay and an appropriate, confirmed 5% correction give 4 mg/g × 0.95 = 3.8 mg/g supplied powder. Carrier is already inside the whole-powder denominator: do not deduct it again, or infer native extract as 1 − carrier − LOD.
g/bottle = target mg/bottle ÷ supplied mg/g. Required kg = g/bottle × bottles ÷ 1000. Order kg = ceil(max(required kg, MOQ kg) ÷ pack kg) × pack kg. Leftover = order − required. Blank MOQ or packaging stays unknown; the calculated order is provisional until terms are confirmed.
Consumed cost = required kg × price/kg; order cash = order kg × price/kg. All monetary outputs use the entered currency without exchange conversion. Blank price means unknown, never zero. Freight, tax, trade terms, validity and other costs are not assessed; these are not landed costs or comparable quotations.
No process-loss adjustment is calculated here: the target is theoretical input, not retained output. For a separately evidenced retained-output target, compensation divides by retention (1 − loss fraction), not multiplication by (1 + loss). For example, an assumed 20% loss requires 125 units of input to retain 100, not 120. Do not feed an unreviewed recovery assumption into this calculator.
Synthetic arithmetic example only, not a supplier specification, price or dose: 40% as-supplied marker, 50 mg/bottle theoretical input, 1,000 bottles, MOQ 5 kg, packs 1 kg, price 100 currency units/kg. Need 0.125 kg; order 5 packs / 5 kg; leftover 4.875 kg; consumption 12.5 currency units (0.0125/bottle); order cash 500 (0.5/planned bottle).
Assay basis guide · Carriers and native extract · Request a formal quote (no inputs transferred)
Updated: 2026-09-07. This is a procurement guide, not a market forecast, research review or supplier test report.
Start with the beverage, not the highest assay
Write down whether the brief needs tea flavor, a clear appearance or a defined catechin composition. A highly concentrated powder may bring astringency or haze that a lower-assay flavor-focused material does not. A green tea extract is not a substitute for validating the finished beverage.
Compare like-for-like analytical data
Ask for separate EGCG, total catechins, caffeine and total polyphenol methods. Record dry-basis versus as-is reporting and carrier content. Do not compare a colorimetric total with an HPLC marker result as though they describe the same thing.
Design a useful pilot
Compare candidate lots in the actual acid and water system, with and without the proposed sweetener. Measure clarity, sediment, color, astringency and caffeine; track catechin retention after heat processing and storage. Include oxygen, minerals, light and packaging. If ginseng is proposed, evaluate its identity and bitterness independently before combining.
Keep the label separate from the ingredient assay
An EGCG value is not evidence of sustained energy. Have a qualified reviewer assess concentrated tea extract eligibility, caffeine exposure, intended users and warnings. Base nutrition and any claims on the complete finished product, not a supplier description.
Questions to include in your RFQ
Send destination market, intended format, processing conditions, ingredient exclusions and sample needs. Ask for a current specification, batch-specific COA, full composition and risk-based contaminant testing. Specifications and availability are indicative until confirmed in writing; agree acceptance criteria and change-control terms before purchase.
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