Why is it das Ptyalin?

Ptyalin ends in -in. Most nouns with this ending are feminine (88% take die), but Ptyalin is an exception: das Ptyalin.

The other -in exceptions
Sense 1
das

Meaning

[1] Ferment of saliva, which splits starch through hydrolysis in maltose and thus makes carbohydrate food digestible

[1] Ferment des Speichels, das Stärke durch Hydrolyse in Maltose spaltet und so die Kohlehydratnahrung verdaulich macht

Examples

[1]

[1]

Declension

1 Singular Plural
Nominativ das Ptyalin —
Genitiv des Ptyalins —
Dativ dem Ptyalin —
Akkusativ das Ptyalin —

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary