Polyglycerol polyricinoleate

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What Wikipedia says

Polyglycerol polyricinoleate (PGPR), E476, is an emulsifier made from glycerol and fatty acids (usually from castor bean, but also from soybean oil). In chocolate, compound chocolate and similar coatings, PGPR is mainly used with another substance like lecithin to reduce viscosity.

Excerpt from the Wikipedia article “Polyglycerol polyricinoleate”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Roland Mattern, Public domain, via Wikimedia Commons.