alkannin, chrysoine resorcinol

Basic Information

Field	Content
Chinese name	alkannin, chrysoine resorcinol
English name	alkannin, chrysoine resorcinol
INS/E number	INS 103
Functional class	Colour
Year adopted	1975
Approved by	Australia/New Zealand (FSANZ)

What is it?

Alkannin (INS 103) is a red-violet naphthoquinone natural colour extracted from the roots of Alkanna tinctoria, used as a colour (also associated with chrysoine resorcinol).

Source

Natural：紫草（Alkanna tinctoria）根

Why is it used?

• Provides a red-violet colour to fats, oils and confectionery
• Used in some traditional foods and liqueurs

Common Foods

• Confectionery
• Fats and oils
• Liqueurs
• Some traditional foods

Safety

作为天然色素安全性相对较高，但在欧盟、美国等主要法域目前未获批准作为食品添加剂使用。

ADI (Acceptable Daily Intake)：Not applicable (evaluated, no limit set)

Concerns：

• 在欧盟、美国等已不被批准为食品添加剂

Usage Standard

China：曾列入早期标准，目前多数国家未批准

International：

• E103 (alkannin) 未列入 EU Regulation (EC) No 1333/2008 Annex II 的批准着色剂清单（E100-E180 中缺 E103）；同时 chrysoine resorcinol 亦未被该法规任何位置提及，且无任何 E/INS 编号。

In a nutshell

Alkannin is a natural red-violet pigment from alkanna root but is not approved in major jurisdictions.

Consumer Advice

INS 103, also known as Chrysoine Resorcinol, is a synthetic yellow azo dye formerly used as a food coloring. It is now widely banned or obsolete in most countries, including the European Union and the United States, due to safety concerns regarding its potential toxicity and adverse health effects. It is not considered safe for consumption.

Dietary Restrictions

• Vegan: ✅
• Halal: ✅
• Kosher: ✅

Allergens

✅ Free from common allergens

Disclaimer

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.