**2. Materials & methods**

#### **2.1. Silk fabric**

The treatments were carried out on a 100% raw silk fabric (crêpe). Construction parameters are listed on Table 5.


**Table 5.** Construction properties of silk fabric

#### **2.2. Enzymes**

Esperase® 8.0L and Lipolase® Ultra 50T were kindly provided from Novo Nordisk Co. (Bagsvaerd, Denmark). Papain was purchased from Sigma. All other chemicals were labora‐ tory-grade (analytical reagents, Sigma).
