Yes—but only as an early prototype. Researchers presented calamari-inspired rings made from mung bean protein, microalgae and omega-3-rich plant oils, shaped with a 3D printer and cooked in an air fryer. The result was described as crispy outside and somewhat chewy inside. It was not real squid, a proven nutritional equivalent, or a product shown to be ready for sale.
The work was presented at the American Chemical Society’s Fall 2023 meeting and reported by ACS on August 14, 2023. Its most important unresolved question is whether people will actually like the product: the researchers said full-scale consumer research and acceptability testing were still pending.
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What the researchers actually made
The prototype was a snack inspired by fried calamari rings. A plant-based mixture was deposited through a 3D printer to create ring shapes and vary the texture within the printed food. After printing, the rings were air-fried and analyzed.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchThe basic sequence is important. The team first had to formulate a printable food mixture, then force that mixture through a printer, preserve the ring geometry after deposition, and finally cook the pieces. Each stage can change the result. A mixture that is nutritious but too fluid may spread, while one that is stiff enough to hold a ring may be difficult to extrude or unpleasantly dense after cooking.
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That distinction matters. The printer did not reproduce squid tissue, and the project did not claim to make a biological or nutritional copy of calamari. It demonstrated a way to engineer a seafood-like form and eating experience from plant ingredients.
Shape is not a trivial part of the eating experience. A ring suggests fried calamari before a person takes a bite, and the hollow center changes how batter, oil and heat would normally interact with a conventional snack. Printing can create that geometry directly rather than cutting it from a sheet or forcing the same texture throughout the entire piece.
The ACS account says the printer also allowed the researchers to produce varied textures. That could mean designing differences between the outside and inside of a piece or between separate regions, although the account does not provide a detailed map of the printed structure. It is therefore safest to describe texture control as a capability demonstrated in principle, not as a fully documented recipe for a particular bite profile.
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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesPoornima Vijayan, the presenter identified in the ACS account, described the cooked rings as having a crispy exterior and a somewhat chewy interior. That is a researcher’s description of a prototype, not the result of a controlled consumer taste panel.
“But however, full-scale consumer research is still pending and consumer acceptability still needs to be vetted on this part.”
— Poornima Vijayan, quoted in the ACS transcript
Which ingredients were used?
The ACS report names three important parts of the formulation:
- Mung bean protein supplied one plant-based protein component.
- Microalgae supplied another plant-based protein source.
- Plant oils rich in omega-3 fatty acids were added while the researchers pursued a nutritional profile resembling squid.
Those ingredients serve different design purposes. Protein provides the principal structural material, while oil can contribute richness and a fat-like sensation. Microalgae can supply both protein and a seafood-associated ingredient story. The account does not say how each ingredient was processed, whether the algae was whole or purified, or how the ingredients were distributed through the printed rings.
The report does not give ingredient ratios, identify the exact oil or oils, provide a complete nutrition panel, or show that the final rings matched squid for protein quality, calories, fat, vitamins or minerals. “Aimed at a squid-like nutritional profile” is therefore the accurate description; nutritional equivalence remains unestablished.
Omega-3-rich oil should not automatically be treated as proof that the product contains the same types or amounts of omega-3 found in squid. The source names the addition as part of the formulation goal, but it does not provide a measured fatty-acid result. A future product would need laboratory analysis and a clearly defined comparison food before any equivalence claim could be made.
An ordinary mung bean protein powder should not be treated as the research formulation. The ACS account supplies no consumer recipe, mixing instructions or specification for a food-grade powder that would reproduce the prototype. Substituting a retail powder could change water absorption, flavor, viscosity and cooking behavior, even if the label uses the same ingredient name.
How 3D printing contributes
Food printing gives researchers control over geometry and, potentially, texture. Instead of forming every piece with a fixed mold, an extrusion printer can place a food mixture along a programmed path. Changing the path, layer structure or local composition can create a ring, a denser edge, a softer center or other textural zones.
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It also creates a difficult engineering problem. A food mixture must be soft enough to move through a nozzle but stable enough to retain its printed form. The Food Standards Agency’s overview of 3D printing in the food system identifies viscosity, rheology and printability as central concerns. Ingredients that make a mixture nutritious or pleasant to eat can make it harder to extrude, stack and hold its shape.
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In practical terms, viscosity describes how readily the mixture flows, while rheology covers how that flow changes under pressure and movement. A material can behave one way while sitting in a cartridge and another way when pushed through a narrow nozzle. Printability also includes whether successive layers adhere, whether corners stay sharp and whether the finished object deforms before cooking. These are general food-printing constraints, not measurements reported for the calamari rings.
Extrusion is commonly used because it can handle pastes and structured food “inks,” but it is not a push-button process. The operator must balance deposition speed, pressure, temperature and the time available for each layer to support the next. The ACS account does not reveal those settings, so readers cannot infer a household or restaurant setup from the demonstration.
The printer may also help researchers test variations efficiently. A single formulation can be deposited in different patterns, with different wall thicknesses or internal densities, and then cooked for comparison. That makes the technology useful as a design and prototyping tool even before it becomes a high-volume manufacturing method.
The ACS account does not report the printer model, nozzle size, printing temperature, layer height, extrusion rate or other operating parameters. Without those details, the demonstration cannot be reproduced from the news account alone or assumed to work on a household food printer.
What air frying tells us—and what it does not
Air frying supplied the cooking step used for the reported texture observation. The researchers analyzed the cooked rings, and Vijayan reported crispness on the outside with some chewiness inside.
Air frying is relevant because it tests whether a printed shape can withstand heat and develop a contrast between a browned or crisp exterior and a more yielding interior. It does not tell us whether the same formulation would behave like battered squid in a deep fryer, or whether it would remain intact in a wet preparation. The cooking method is part of the prototype’s identity, not a universal instruction for every future version.
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The observation suggests the printed structure survived cooking well enough to create contrasting textures. It does not establish how the rings perform under deep-frying, baking, boiling or other preparation methods. Nor does it establish shelf life, reheating performance, freezer stability or resistance to moisture during storage.
There are also unanswered questions about repeatability. One successful batch does not show that every ring will have the same wall thickness, crispness or chewiness. A production study would need to report variation across batches and determine how storage and transport affect the final cooking result.
No numerical texture measurements, sensory scores or acceptance percentages appear in the ACS account. The project should therefore be read as a proof of concept rather than a completed product-development study.
How mature is the evidence?
The calamari work was presented at the American Chemical Society’s Fall 2023 meeting. The available ACS item is a research news account and transcript, not the full experimental paper. It communicates the ingredients, general process and researcher observations, but not the complete data needed to judge performance at manufacturing scale.
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A conference presentation can be valuable for showing what a team has attempted, but it is not the same as a published specification that another laboratory can reproduce. Here, the public account omits the proportions, printer settings and numerical analyses that would allow a technical comparison with other seafood analogues.
Dejian Huang, Ph.D., identified as the principal investigator, summarized the broader challenge this way:
“It is certainly a challenge to the scientists and technologists.”
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— Dejian Huang, Ph.D., quoted in the ACS transcript
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That challenge includes making a vegetable-based seafood product that is appealing, nutritious and affordable at the same time. The prototype addresses shape and texture engineering, but it does not resolve all three goals.
What remains unknown
Consumer acceptance
The researchers explicitly said full-scale consumer research was pending. There is no reported liking score, purchase-intent result, demographic breakdown or comparison with conventional calamari. A promising texture description cannot substitute for independent consumer testing.
Consumer testing would need to examine more than whether people can identify the ring shape. Participants would have to evaluate aroma, flavor, chewiness, crispness, aftertaste and overall willingness to eat the product again. Ideally, those tests would be blinded and would distinguish the novelty of the concept from genuine preference.
Nutritional equivalence
The formulation was designed with a squid-like nutritional profile in mind, but the account supplies no numerical comparison. It is not evidence that the rings deliver the same protein amount, amino-acid balance, omega-3 content or micronutrients as squid.
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“Plant-based” also does not describe a complete nutrition profile by itself. A meaningful comparison would specify serving size, preparation method and laboratory results for protein, fat, carbohydrate, calories, moisture and relevant vitamins and minerals. None of those values is provided for this prototype.
Commercial availability
No cited source establishes a retail launch for these specific calamari-inspired rings. They should not be described as a product consumers can currently buy.
The existence of a research prototype does not establish packaging, regulatory review, ingredient sourcing or distribution. It also does not show that the rings were produced in a facility designed for repeated food manufacture rather than a research setting.
Cost and manufacturing scale
The reports give no output rate, equipment cost, ingredient cost, labor requirement or unit economics. General statements about food-printing difficulty do not prove that this recipe can or cannot be manufactured economically.
Potential cost categories would include protein and oil inputs, algae processing, printer hardware, sanitation, operator time, energy for printing and air frying, packaging, quality control and waste. Those are questions a scale-up study would have to measure, not figures that can be calculated from the ACS description.
Environmental performance
Plant-based seafood is often discussed in sustainability terms, but the cited material contains no product-specific life-cycle comparison for these rings. The prototype cannot be called environmentally superior on the available evidence.
Any credible comparison would need to account for ingredient cultivation and processing, oil production, electricity, equipment, packaging, transport and food waste, then compare the same serving and nutritional target with squid. The choice of plant ingredients alone does not supply that analysis.
Safety and storage
The account does not report shelf-life testing, microbial results, packaging conditions or storage limits. Those omissions matter for a product containing a moist printable mixture and added oil. Before sale, developers would need validated controls for preparation, storage, reheating and cross-contact risks appropriate to the final formulation.
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How this approach compares with another 3D-printed seafood prototype
A separate 2024 study explored salmon-fillet analogues made from co-extracted protein and polysaccharide material derived from the red macroalga Gracilaria cornea. Researchers used red and white inks to represent muscle and fat tissue. That work is a distinct algae-based direction, not the mung bean–microalgae calamari formulation.
| Research approach | Starting material | Form | Evidence status |
|---|---|---|---|
| ACS calamari-inspired rings | Mung bean protein, microalgae and omega-3-rich plant oils | Cooked, air-fried ring snack inspired by calamari | Presented at ACS Fall 2023; consumer research pending |
| Gracilaria cornea salmon analogue | Co-extracted protein and polysaccharide from red macroalgae | Raw salmon-fillet analogue prototype with red and white printed regions | 2024 study; authors call for further texture, cooking and sensory optimization |
The starting materials illustrate two different formulation strategies. The calamari project combines a named legume protein with microalgae and oil, while the salmon work uses co-extracted material from a red macroalga. Neither description supplies a complete recipe or proves that one source is nutritionally or technologically better.
The product forms also set different technical targets. A ring snack is judged after cooking and eating, whereas a salmon-fillet analogue must first look like a raw fillet and then perform during cooking. Red and white printed regions can suggest muscle and fat, but visual organization does not by itself establish realistic flaking, juiciness or flavor.
These projects show how the same broad technology can target different seafood experiences. One emphasizes a fried, ring-shaped snack; the other attempts the visual organization of a fillet. Neither provides a fair basis for a taste ranking because the cited material contains no independent tasting comparison.
Where the work fits in food-printing research
Extrusion is one of the most common food-printing approaches described in the Food Standards Agency overview. In extrusion printing, a food “ink” is pushed through a nozzle and deposited layer by layer. The material’s flow behavior determines whether it exits smoothly, holds a line and supports subsequent layers.
Plant-protein fish-analogue research has examined soy, pea and wheat proteins alongside other materials. A review of production strategies describes these proteins as part of a wider field rather than as interchangeable ingredients. Each protein can alter water binding, elasticity, flavor, heating behavior and the ability to form a printable mixture.
This broader field helps explain why a successful demonstration with mung bean protein cannot be generalized to every plant protein. A pea- or wheat-based mixture might require different hydration, stabilization or nozzle conditions, and a formulation that prints cleanly may still need substantial flavor or texture work after cooking.
The commercial landscape should also be kept separate from the ACS experiment. The Food Standards Agency overview cites Revo Foods as a company making plant-based seafood alternatives and reports that the company says food printing is part of its production. The same overview notes that some industry insiders question whether its proprietary process should be called 3D printing. A salmon-inspired commercial product, even if available in a particular market, is not evidence that the ACS calamari recipe reached production.
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Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why a home 3D printer cannot simply reproduce it
The ACS account does not establish compatibility with consumer 3D printers, kitchen extruders or air fryers beyond the reported cooking step. A home user would still need a formulation with the right flow properties, food-safe equipment, controlled extrusion and a validated cooking process.
Printing a ring shape is easier than reproducing the sensory and nutritional targets. Small changes in hydration, particle size, temperature or extrusion pressure can affect whether a mixture clogs a nozzle, spreads after deposition or cooks into a tough rather than chewy structure. Because the ACS account does not publish those parameters or a recipe, attempting to recreate the result would be experimental rather than a documented home method.
A consumer printer also raises cleaning and contamination questions. Equipment designed for nonfood materials may not be suitable for ingredients, and a food-safe nozzle does not solve the need to sanitize every surface that contacts the mixture. Those practical requirements are part of responsible food processing, even though the public account does not describe a home version.
What would be needed to validate the concept?
A stronger case for plant-based printed calamari would require several kinds of evidence:
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- Full formulation data: ingredient identities, proportions, hydration and processing conditions.
- Printing specifications: equipment, nozzle and layer settings, throughput and repeatability across batches.
- Objective food analysis: measured protein, fat, omega-3 content, calories, moisture and texture, with a defined squid comparison.
- Cooking testing: performance after the preparation methods consumers are expected to use, including reheating if the product is frozen or chilled.
- Independent sensory studies: blinded evaluations that measure liking, texture, flavor and willingness to purchase.
- Safety and shelf-life work: allergen controls, microbial stability, packaging requirements and storage limits.
- Scale and cost analysis: production speed, ingredient availability, equipment utilization, waste and unit cost.
Those studies would also clarify whether printing offers an advantage over simpler forming methods. If a mold or conventional extrusion can make the same ring with equal texture and lower cost, printing might remain most valuable for rapid prototyping or customized structures rather than mass production.
Until those studies are available, the most defensible conclusion is limited: 3D printing can shape a mung bean–microalgae mixture into a calamari-inspired snack with a reported crisp-and-chewy texture, but the ACS account has not shown a commercially ready or nutritionally equivalent seafood replacement.
Frequently Asked Questions
Can 3D printing turn plant proteins into seafood?
It can shape plant-based mixtures into seafood-inspired forms. The ACS project produced calamari-inspired rings, not real squid, and did not establish that the result is a complete seafood substitute.
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What ingredients were in the calamari-inspired prototype?
The ACS account names mung bean protein, microalgae and plant oils rich in omega-3 fatty acids. It does not provide exact ratios or identify the oil or oils.
Did the rings taste like calamari?
No independent taste-test result is reported. The presenter described a crispy outside and somewhat chewy interior, while full-scale consumer acceptance testing was still pending.
Were the rings nutritionally equivalent to squid?
That has not been shown. The formulation aimed for a squid-like nutritional profile, but no numerical comparison of protein, calories, omega-3s or micronutrients was supplied.
Can I make the recipe with a home 3D printer?
There is no published consumer recipe or compatibility information. Printer settings, formulation details and food-safety requirements are not provided, so a home recreation would be experimental.
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No cited source establishes a retail launch for this specific prototype. It was presented as early research at the ACS Fall 2023 meeting.
How much would printed plant-based calamari cost?
The available account gives no ingredient, equipment, labor, energy or unit-cost figures. Commercial economics remain unknown.
Is the product better for the environment than squid?
That has not been measured for these rings. A product-specific life-cycle comparison would be needed before claiming an environmental advantage.
How does the project differ from 3D-printed salmon analogues?
The calamari project used mung bean protein, microalgae and omega-3-rich plant oils for an air-fried ring snack. A separate 2024 study used co-extracted protein and polysaccharide from Gracilaria cornea to make a raw salmon-fillet analogue with red and white regions.
What is the biggest unanswered question?
Whether consumers actually like the product. The researchers specifically said full-scale consumer research and acceptability testing were still needed.
The Bottom Line
The ACS demonstration shows that a 3D printer can shape a mung bean–microalgae mixture with omega-3-rich plant oils into an air-fried calamari-inspired ring described as crisp outside and somewhat chewy inside. It does not show real squid tissue, nutritional equivalence, consumer approval, environmental superiority, affordable scale-up or current retail availability. Those claims require detailed formulation data, objective nutrition and texture testing, independent sensory trials, safety and shelf-life studies, and transparent cost analysis.
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