Modified wood, method of manufacturing same, and musical instrument

A method for manufacturing a modified wood for use in a musical instrument, the method comprising:

• an impregnation step of impregnating a wood material with a sappanwood extract component, wherein
• an internal loss of the wood material in a fiber direction is 4×10−3 or more and 12×10−3 or less,
• an internal loss of the wood material in a radial direction is 12×10−3 or more and 25×10−3 or less,
• an elastic modulus of the modified wood in a fiber direction is 7 GPa or more and 20 GPa or less,
• an elastic modulus of the modified wood in a radial direction is 0.5 GPa or more and 2.5 GPa or less,
• the sappanwood extract component is a water-extracted and unpurified component, and
• the sappanwood extract component has a solid content mass of 8 to 12% of sappanwood.

A modified wood for use in a musical instrument, the modified wood having an improved internal loss value, the modified wood comprising:

• a wood material having a first internal loss value;
• and
• a sappanwood extract component that is impregnated into the wood material, such that after the wood material is impregnated the wood material attains a second internal loss value that is lower than the first internal loss value, wherein
• an internal loss of the wood material in a fiber direction is 4×10−3 or more and 12×10−3 or less,
• an internal loss of the wood material in a radial direction is 12×10−3 or more and 25×10−3 or less,
• an elastic modulus of the modified wood in a fiber direction is 7 GPa or more and 20 GPa or less,
• an elastic modulus of the modified wood in a radial direction is 0.5 GPa or more and 2.5 GPa or less,
• the sappanwood extract component is a water-extracted and unpurified component, and
• the sappanwood extract component has a solid content mass of 8 to 12% of sappanwood.