A wooden spoon pouring white crystalline sweetener into a small wooden bowl on a grey surface

Keto-Fructose Sweetener · Licensing now

Sugar’s taste. Less of the sugar.

A rare sugar with about 70% of the sweetness of sucrose and about 60% fewer calories than sugar.

What is 5-KDF?

Fooditive Sweetener® Keto-Fructose (5-keto-D-fructose, 5-KDF) is a rare keto-sugar that occurs in nature. It replaces the sweetness and bulk of sugar in reduced-sugar foods, with about 60% fewer calories than sugar. Food manufacturers license the technology and produce it in their own plants, or Fooditive manages production at a CDMO near them.

It is a single molecule. It gives bulk and texture like sucrose, browns less than sucrose and has 1.5 kcal/g.

How it is made

5-KDF by the numbers

  • ~70% of the sweetness of sucrose
  • 1.5 kcal/g about 60% fewer calories than sugar
  • ≥ 98.5% purity, powder grade
  • pH 3–9 stable in solution

Applications

What 5-KDF does in your product

  • One ingredient, the work of sugar

    5-KDF replaces the sweetness and the bulk of sugar, with about 60% fewer calories. See what it does in each application.

  • Three crumb-topped muffins stacked on a dark surface

    Bakery

    Replaces the bulk of sugar, so cakes and cookies keep their volume and crumb. It browns less, for exact colour control.

    • Bulk and structure
    • Browning control
    • Heat-stable to 180–200 °C
  • A hand holding a soft-serve ice cream cone with a red swirl

    Ice cream and frozen desserts

    Lowers the freezing point, for a smooth and scoopable texture with less sugar.

    • Freezing point
    • Sugar solids
    • Clean sweetness
  • Colourful drink bottles close up

    Beverages

    Dissolves fast, at about 200 g/L, and stays stable from pH 3 to 9, even in acidic drinks.

    • Highly soluble
    • Stable at pH 3–9
    • Rounds off stevia
  • Pieces of dark chocolate with nuts on a dark surface

    Confectionery and chocolate

    Takes up less moisture than fructose, so sweets stay less sticky and keep their shelf life.

    • Low stickiness
    • Water activity
    • Heat-stable
  • A bowl of yogurt drizzled with syrup, with a wooden spoon

    Yogurt and dairy

    About 70% of the sweetness of sucrose, with a clean taste that stays stable in acidic dairy.

    • Clean sweetness
    • pH-stable
    • 1.5 kcal/g
  • A wooden spoon pouring white sweetener into a small wooden bowl

    Tabletop and blends

    A sugar-like taste with no bitter, metallic or liquorice notes. It also masks off-flavours in stevia blends.

    • Clean taste
    • Blends
    • Fewer calories

The process

How is 5-KDF made?

We use a proprietary, non-GMO strain of Gluconobacter oxydans, an organism with an 80-year history of safely making food ingredients like vinegar.

The strain ferments a fructose substrate into 5-KDF. We then purify it to a powder of at least 98.5% purity. The strain, the process and the protocols are part of the licence.

How licensing works

A wooden spoon resting in a glass bowl of white sweetener beside green apples

Spec sheet

Technical data, powder grade

Fooditive Sweetener 5-KDF technical specification, powder grade (part 1 of 2)
ParameterValue
Chemical name5-keto-D-fructose
CAS number1684-29-3
Molecular formulaC₆H₁₀O₆
Molecular weight178.14 g/mol
Purity≥ 98.5%
Moisture≤ 1.0%
Fooditive Sweetener 5-KDF technical specification, powder grade (part 2 of 2)
ParameterValue
pH (10% solution)4.5 – 6.5
pH stabilitypH 3–9
Sweetness~70% of sucrose by weight
Energy1.5 kcal/gAbout 60% fewer calories than sugar
Solubility~200 g/L at 25 °C
Shelf life≥ 24 monthsAmbient, low humidity; each licensee confirms at its production site

Use levels per food category, nutrition values and the full specification are in our technical data sheet. We share it on request with food companies and partners.

Good to know

What is the U.S. regulatory status of 5-KDF?

Self-affirmed GRAS (2024, independent expert panel). GRAS notice GRN 1326 submitted to FDA on 29 January 2026.

Does it count as added sugar?

Not classified as Added Sugars under most regulatory definitions; final labelling is subject to jurisdiction-specific guidance.

Can I use it in the EU?

Novel Food authorisation is required. Our submission is paused while we focus on the U.S.

How do I test it?

Request a sample. We guide you through the sample size, the evaluation format and the next steps, from first screening to pilot support.

Request a sample

Which safety studies exist?

Five open-access studies: OECD-aligned genotoxicity tests, human intestinal and liver cell models, and material analysis.

Read the safety and public studies

Make 5-KDF near your market.

You test it in your products, we transfer the process package, and you produce under licence near your market.

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