# rubiscolin

> English word · Noun

## Definitions
1. Any of a group of opioid peptides formed during digestion of the rubisco protein from spinach leaves.

## Etymology
From rubisco + -in.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rubiscolin