Is Your Acerola Actually Acerola? How to Tell

Behind the Label - Article 3

The label says "acerola." The spec sheet says something else entirely.

Acerola is one of the few raw materials I genuinely love, not because of the vitamin C number, since anyone can buy a vitamin C number, but because of everything that travels with it in the whole fruit. We've covered that side of it before in the article: Acerola - more than just vitamin C

This issue is about something else: a thing that took me an embarrassingly long time to understand as a buyer, and that a customer standing in front of a shelf has essentially no way of working out.

Two acerola products with identical labels can be completely different products. Not marginally. Differently enough that in one case you're buying dried fruit, and in the other you're buying a powder that is roughly half corn-derived carrier by weight.

I'm going to show you two real technical data sheets to prove it.

Is your acerola real fruit? The short answer

Three questions settle it:

1. How was it dried? Spray-dried, vacuum-dried, or freeze-dried. This is the biggest quality variable in the category and it is essentially never on the label.
2. Is it juice powder or fruit powder? "Juice concentrate on carrier" is not the fruit. Check the fibre content: real fruit powder has some; juice powder has almost none.
3. What percentage of the powder is actually acerola? On a spec sheet this appears as "dry matter fruit." On a finished-product label it usually appears as nothing at all.

The rest of this explains why those three questions are the right ones.

Part 1: How the fruit was dried

Acerola is picked in Brazil, it is extremely perishable, and its vitamin C is both heat-sensitive and readily oxidised. The fruit has to become a powder fast. How that happens decides almost everything.

Spray drying

The fruit is pressed, concentrated to a juice, and sprayed into a hot tower (inlet temperatures commonly in the 145–180 °C range) where water flashes off in seconds and dry particles fall out the bottom.^[1] Fast, continuous, cheap. It's why most acerola on the market costs what it costs.

Two consequences:

Heat and oxidation. The exposure is brief but real. Vitamin C survives in part; the more fragile and less commercially measured fraction (polyphenols, anthocyanins, aroma compounds, the things that make acerola acerola rather than an ascorbic acid delivery vehicle) survives less well.^[2] Nobody assays for those, so nobody has to report the loss.

You cannot spray-dry acerola juice on its own. It is too sugary and too hygroscopic; it glues itself to the tower. It needs a carrier, nearly always maltodextrin.^[1] How much varies enormously, as we're about to see.

Vacuum drying

Lower temperature, reduced pressure. A genuine middle path: meaningfully gentler than spray drying, meaningfully cheaper than freeze drying, and depending on the process it can reduce or remove the need for a carrier. An honest compromise, and I have no problem with it when it's disclosed.

Freeze drying (lyophilisation)

The purée is frozen hard and the ice is sublimated off under vacuum. Water goes from solid straight to vapour, and the fruit never sees high heat. It is the only method that preserves acerola as it actually is: aroma, taste, the full polyphenol profile, the fibre.

It is also brutally expensive. Capital-intensive equipment, cycles measured in hours instead of seconds, a fraction of the throughput of a spray tower, and lower yield because you're drying whole fruit rather than concentrated juice. That cost gap is the entire reason the market looks the way it does.

"Acerola standardised to 17% vitamin C" is a spray-drying description, whether or not the brand says so.

Part 2: The two spec sheets

Here is where it stops being theory. These are real technical data sheets from real European suppliers. I've removed the company names, for reasons I'll come back to at the end.

Spec sheet A: "Acerola spray-dried juice"

What it declares:

• Carrier: corn maltodextrin. Named. Quantity not stated anywhere on the document.
• Assay: >17% native vitamin C, by HPLC.
• And the detail that stopped me when I first read it: an isotopic analysis (Delta C13, EA-IRMS) confirming that "isotopic parameters of ascorbic acid are consistent with an acerola origin."

Sit with that last line for a moment. This supplier runs a carbon-isotope test to prove their vitamin C came out of a cherry rather than a factory. Industrial ascorbic acid is made from glucose, most often from corn, and corn and acerola fix carbon differently, so the isotope ratio gives them away.^[3]

Nobody develops an authentication test for a problem that doesn't exist. The existence of routine C13 testing on acerola is the industry admitting, in the technical literature, that acerola gets cut with synthetic vitamin C often enough to be worth screening for. This spec sheet is one of the honest ones, and that's exactly why it's evidence.

Spec sheet B: "Organic acerola juice powder"

Certified organic. Ecocert. Product of organic farming under EU organic legislation.

What it declares:

• Ingredients: organic acerola juice concentrate, organic maltodextrin.
• Dry matter, fruit: 50%.

Read that again. Half of this powder is fruit. The other half is organic maltodextrin.

And the sheet's own nutritional panel confirms it independently: 61 g of available carbohydrate per 100 g, of which only 11 g are sugars, leaving about 50 g of non-sugar carbohydrate. That is the maltodextrin, showing up a second time by a completely different route. Two numbers, same answer.

One more line worth noticing: dietary fibre, 0.7 g per 100 g. Acerola is a fruit. Fruits have fibre. A powder with essentially none isn't fruit. It's juice, dried onto starch.

So: certified organic, and roughly half filler. Organic certification tells you how the fruit was farmed. It says nothing about how the powder was made or what was added to it. These are two entirely separate questions, and conflating them catches out buyers who really ought to know better. It caught me out early on.

Why the carrier disappears from the label

Notice what both suppliers did: they disclosed. The carrier is named on sheet A. The carrier and the exact fruit percentage are named on sheet B. These documents are doing their job.

The failure isn't upstream. It's at the last step.

EU labelling rules let a carrier stay off the ingredient list only when it is used in the quantity strictly necessary.^[4] Half the powder is not a rounding error.

In practice, on shelf after shelf, it isn't there. The label says "acerola extract." One line. The maltodextrin is gone. And a customer reads "acerola extract" and pictures fruit, which is a completely reasonable thing to picture, and is why the omission works.

I have never managed to construct a good-faith explanation for it. If half of your headline ingredient is corn-derived carrier, the person paying for it is entitled to know.

What to ask before you buy acerola

Most of this is invisible from the outside, which is the whole reason this series exists. But some of it shows through:

• Ask how it was dried. A brand that knows answers instantly. A brand that doesn't know, or won't say, has answered.
• "Juice powder" and "fruit powder" are different products. So are "extract" and "fruit." The words are chosen carefully.
• Check the fibre. Near-zero fibre means juice, not fruit.
• The vitamin C percentage tells you almost nothing. A freeze-dried whole-fruit powder and a spray-dried juice concentrate on carrier can both sit at 17%. Identical number, completely different product. This is precisely why the percentage is the one figure brands are happy to print.
• Organic ≠ carrier-free. Ask both questions.
• Ask for the spec sheet, not the label. We'll send ours to anyone who asks.

Why we use freeze-dried acerola

We use freeze-dried acerola. Whole fruit, no carrier, no added ascorbic acid. It costs several times what a spray-dried juice extract costs, and we accept that, because of what the criteria buy us.

They mean we are not selling you vitamin C.

Vitamin C is a commodity. It costs almost nothing, it's chemically identical wherever it comes from, and if that were the goal there would be no reason to source a Brazilian cherry at all. You would buy a sack of ascorbic acid and be finished. Every shortcut in this article exists because someone decided that vitamin C was the product.

What we're selling is the acerola: the polyphenols, the anthocyanins, the fibre, the aroma and taste compounds, the whole matrix the fruit built around its own vitamin C, intact, because nothing was heated to 180 °C and nothing was diluted with starch to make it flow.

That's the part a comparison table can't show you, and it's the reason this series exists. The number on the front of the pack is the one thing that's genuinely easy to match. Everything that actually distinguishes one acerola from another is decided before the powder ever reaches a label, and it's decided by whoever was willing to pay for the slower process.

Michal Kočí, Founder of Trime

Sources:

[1] Moreira GÉG, Costa MGM, de Souza ACR, de Brito ES, de Medeiros MFD, de Azeredo HMC. Physical properties of spray dried acerola pomace extract as affected by temperature and drying aids. LWT - Food Science and Technology. 2009;42(2):641–645. https://doi.org/10.1016/j.lwt.2008.07.008

[2] Moreira GÉG, de Azeredo HMC, de Medeiros MFD, de Brito ES, de Souza ACR. Ascorbic acid and anthocyanin retention during spray drying of acerola pomace extract. Journal of Food Processing and Preservation. 2010;34:915–925. https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/875375/1/PC10006.pdf

[3] Albertino A, Barge A, Cravotto G, Genzini L, Gobetto R, Vincenti M. Natural origin of ascorbic acid: validation by 13C-NMR and GC-C-IRMS. 2009. https://iris.unito.it/handle/2318/45808

[4] Regulation (EU) No 1169/2011 of the European Parliament and of the Council on the provision of food information to consumers, Article 20(c). https://eur-lex.europa.eu/eli/reg/2011/1169/oj