Frequently Asked Questions

The complete handbook From E to Z clearly explains what E-numbers are, where they come from, how they are used, and how safe, natural, synthetic, or sustainable they are. It describes the numbers in numerical order, in alphabetical order, and is clearly organized across the 27 functional categories. Additionally, it contains a list of addresses for buyers of E-numbers.

Both. It was primarily written for product developers, bakers, chefs, meat processors, brewers, buyers, and quality managers from the artisanal and industrial sectors. For conscious consumers, the first 40 pages are particularly informative, and the subsequent chapters are interesting as a reference for questions about E-numbers.

The printed version is convenient for use in, for example, a test bakery. The digital version (EPUB 3) also contains clickable links to legislation and sources, which increases ease of use.

An EPUB 3 is an e-book format with interactive capabilities. You can read it with apps such as Thorium Reader, Apple Books, or Adobe Digital Editions. Adobe Digital Editions is available for free download on the site, making the book readable on a phone, laptop, e-reader, or iPad.

Yes, every ingredient with an official E-number is covered, including description, applications, and health information. The book is factually compiled without giving an opinion or adhering to a specific diet.

Yes, each E-number receives a score of 1–10 for health, with a brief explanation. E-numbers with a score below 6 have generally been banned for a long time. Each E-number starts with a 10 and loses points if it has health disadvantages.

Yes, each E-number has been assessed for potential suitability for kosher and halal. The book indicates per E-number whether it is suitable, potentially suitable, or unsuitable for kosher and halal – and why. This way, you know which substances to inquire about or avoid during certification.

No. The book indicates what you should look out for, such as animal origin or questionable additives, but final approval always comes from recognized kosher or halal certification bodies.

Yes. Many E-numbers depend on the production method. A substance that is chemically synthesized can be kosher or halal, but if the same substance is extracted from animal material, it is not permitted.

Not necessarily. Even plant-based E-numbers can be processed with non-permitted additives, such as gelatin, alcohol, or animal enzymes.

No, the book serves only as preparation to engage in well-informed discussions with these authorities during the production of kosher or halal products.

Because some E-numbers depend on the production method or the raw material. The book explains where this uncertainty comes from.

Yes, it was written completely independently, without industry sponsorship.

No, not yet. If this book is successful, an app may be developed that allows you to scan and check E-numbers in the store. All customers who have purchased a printed or digital book via the site will receive an email about this in due course.

Yes, it is very suitable as teaching material or a reference work in nutrition courses. A logo can be added for large orders.

The data is up to date until mid-2025. This makes the book unique and reliable.

Yes, all substances with an official E-number are covered, including natural colorants. Extracts that serve as an additive are covered, but flavor extracts without an E-number are not.

Absolutely, it is ideally suited for R&D, QA, and product developers.

That varies per substance. The book provides information on sustainability for each E-number.

Yes, in many cases, the book identifies possible alternatives. This is valuable for product developers when a customer does not want to use certain E-numbers or if a supplier cannot provide an E-number.

This book focuses on the current list of permitted E-numbers within the EU. Other books often include outdated or no longer permitted E-numbers.

Because they are no longer legally permitted within the EU or are only used outside of Europe. This book is aligned with European legislation.

This book offers a full profile per substance, including origin, production, applications, health, sustainability, and guidance on usage.

All data is based on European legislation, EFSA reports, and expert sources. The book is independently written and focused on clarity and facts.