Frozen yerba mate cubes vs freeze-concentrated extract
Keeping a whole frozen portion and separating thawed fractions are different processes. Here is how to read the distinction.

When you read about frozen yerba mate, ask what happens after freezing. Is the entire portion kept for a drink, or is part of the thawing liquid collected separately? That question helps distinguish a drink-cube format from a freeze-concentration process.
What a whole frozen portion means here
The Yerba Melt concept is prepared mate in frozen portions, finished later with water. In the whole-portion example used here, you keep the entire portion together. You do not collect an early melt separately and set the remaining frozen material aside.
This describes the intended format, not a tested formula. We have no measured serving or per-cube caffeine amount to offer. A cube photograph cannot supply either one.
What the researchers separated
A 2026 Journal of Food Science paper by Souto and colleagues describes a different operation. In methods section 2.3, the researchers froze yerba mate extract, partially thawed it, and separated fractions. They repeated the process with the collected concentrated fraction. Section 2.4 then describes combining selected extracts for beverages containing grape juice.
The relevant distinction is the separation step. The study's process is not simply a tray of brewed portions kept whole for later dilution.
Follow the portion through the process
| Stage | Whole-portion drink-cube concept | Process described in the study |
|---|---|---|
| Before freezing | Prepared mate is divided into portions. | An aqueous mate extract is prepared. |
| After freezing | Each portion is kept together. | Partial thawing separates collected liquid from the remaining material. |
| Next use | The whole portion is finished with water. | Selected concentrated extracts are used in grape-juice formulations. |
This is a qualitative comparison, not a recipe or a diagram of measured yields. The study's preparation conditions and analytical results are not instructions or values for homemade cubes or Yerba Melt.
Read “concentrate” alongside the preparation
For any product described as a concentrate, look for its own preparation directions and stated serving basis. Useful questions include how much product goes into the finished drink, how much water is added, and whether any caffeine amount is stated for that exact serving. Without those details, the word alone does not tell you how to compare two drinks.
If your question is about the brew used before freezing, our cold-brew versus hot-brew cube guide addresses that separate choice. Brewing method, frozen format, and final serving are different parts of the description.
Keep handling separate from the terminology
Neither label provides a storage plan. The FDA's food-storage guidance explains that freezing does not kill most bacteria and that food can be unsafe without looking, smelling, or tasting spoiled. Follow applicable handling and package instructions; this process comparison establishes no mate-specific cooling schedule or shelf life. Our brewed mate freezing guide explains the limits of the available guidance.
Yerba Melt is exploring frozen portions for drinks finished with water. Join the waitlist for product updates.