flavor_enhancer INS 634

Calcium 5'-Ribonucleotides E634

nucleotide_umami — Primarily synthetic.

🇪🇺 EU: Approved

🇺🇸 USA: Approved

🇯🇵 Japan: Approved

🇦🇺 AU/NZ: Approved

🇨🇦 Canada: Approved

Scientific Name

Calcium 5'-ribonucleotides

CAS: 5550-12-9 / 6106-04-3

Data verified: 2026-04-04

Factual Regulatory Reference

This database provides factual regulatory information compiled from official government sources. It does not constitute medical, nutritional, or safety advice. Regulatory status varies by country and is subject to change. Always refer to your local regulatory authority for the most current information.

? Did You Know?

In the EU, Calcium 5'-Ribonucleotides has a "quantum satis" authorization — Latin for "as much as needed." This means there's no specific maximum limit; manufacturers use only what's technologically necessary.

Detailed Regulatory Assessment

🇪🇺

European Union (EFSA)

approved Max: quantum satis mg/kg

None

Official EFSA Link

🇺🇸

United States (FDA)

approved GRAS

Generally recognized as safe

🇯🇵

Japan (MHLW)

approved Cat: 既存添加物

Compliant with Japanese food sanitation law.

Acceptable Daily Intake (ADI)

International Standard (JECFA)

Not specified (ADI not limited)

mg/kg body weight per day

European Standard (EFSA)

Not specified

Everyday Perspective

For a 60kg adult, this limit is roughly equivalent to consuming:

Natural Occurrence

This additive is not known to occur naturally in significant quantities.

Manufacturing

Method: mixing of purified nucleotides

Produced by blending calcium inosinate and calcium guanylate.

Frequently Asked Questions

What is Calcium 5'-Ribonucleotides (E634)?

Calcium 5'-Ribonucleotides (E634) is a flavor_enhancer used in food products. It is nucleotide_umami and synthetic. A mixture of calcium inosinate (E633) and calcium guanylate (E629), providing umami flavor enhancement.

What is the ADI for Calcium 5'-Ribonucleotides?

The Acceptable Daily Intake (ADI) for Calcium 5'-Ribonucleotides is Not specified (ADI not limited) as established by JECFA (Joint FAO/WHO Expert Committee on Food Additives). ADI represents the amount that can be consumed daily over a lifetime without appreciable health risk.

What foods contain Calcium 5'-Ribonucleotides?

Calcium 5'-Ribonucleotides is used in various food categories including Salts, spices, soups, sauces, salads and protein products. It is used as a flavor_enhancer in these products.

Primary Research & Evidence