Biochemistry

Table of Contents

1. Mushroom

The mushroom is structured with chitin.

1.1. Agaricus

The mushrooms of the genus Agaricus often contain a mild toxin called agaritine.

1.2. Pleurotus eryngii

새송이버섯, 큰느타리

생으로 먹으면 아리다. 무엇이 원인물질인지는 불분명하다. 익히면 아린 맛이 크게 감소한다.

1.3. Tricholoma matsutake

송이버섯

2. Egg

2.1. Egg Yolk

2.1.1. Lecithin

From Ancient Greek λέκιθος 'yolk'

Mixture of glycerophospholipids: phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, and phosphatidic acid.

Fatty substance with phosphate group which is polar.

3. Itch

Cowhage mucanain, bromelain, and papain can induce itch by acting via PAR2 and PAR4.

Serine protease V8 incude itch by cleaving PAR1 and activating dorsal root ganglia (DRG). (Liwen Deng and Flavia Costa and Kimbria J. Blake and Samantha Choi and Arundhasa Chandrabalan and Muhammad Saad Yousuf and Stephanie Shiers and Daniel Dubreuil and Daniela Vega-Mendoza and Corinne Rolland and Celine Deraison and Tiphaine Voisin and Michelle D. Bagood and Lucia Wesemann and Abigail M Frey and Joseph S. Palumbo and Brian J. Wainger and Richard L. Gallo and Juan-Manuel Leyva-Castillo and Nathalie Vergnolle and Theodore J. Price and Rithwik Ramachandran and Alexander R. Horswill and Isaac M. Chiu, 2023)

4. Receptors

4.1. PAR1

  • proteinase-activated receptor 1, protease-activated receptor 1, coagulation factor II receptor, thrombin receptor

Encoded by F2R gene

Activated when terminal amino acids gets cleaved by Thrombin.

5. References

Author: Jeemin Kim

Created: 2026-09-29 Tue 00:21