• Jaime A Teixeira da Silva.
• Independent researcher, Kagawa-ken, Japan. Electronic address: jaimetex@yahoo.com.
• Nutrition. 2021 Nov 1; 91-92: 111398.

AbstractThere are several isomers of carotene, the main ones being alpha and beta carotene (i.e., α-carotene and β-carotene). The latter serves as a precursor for vitamin A, and is thus a well-studied carotenoid in health, food, and nutrition research. A German special character, the Eszett (uppercase or capital ẞ; lowercase ß), has been confused with the Greek, lowercase beta (β) in some papers in the biomedical literature, and when the lowercase Eszett is written in italics, it looks even more similar to the Greek letter beta. Curiously, this linguistic error has given rise to a "new" form of carotene, Eszett (ß)-carotene, which does not exist. A search on PubMed, Elsevier's sciencedirect.com, and Springer Nature's SpringerLink platforms reveals that there are potentially dozens, if not hundreds of cases or more of this false-positive carotene "isomer," which was supposed to represent β-carotene, but has, through a typographic error, represented a "new" and non-existent form of carotene, ß-carotene. This clearly represents erroneous literature that needs correction.Copyright © 2021 Elsevier Inc. All rights reserved.

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