Fig. 5: Molecular mechanisms underlying the mechanical properties.

a Secondary structure analysis of LT according to the specific reagents used. b Cyclic tensile stress–strain curves of hydrated LTs. Tensile rate: 5 mm/min. Inset: tensile tests. c Stiffness–energy dissipation plots depending on the reagent. d Secondary structure analysis of HT according to the specific reagents used. e Stress-relaxation curves. Compression rate: 10%/min. Constant strain: 50%. Stress relaxation time: 500 s. Inset: compressive tests. f Stiffness–energy dissipation plots depending on the reagent.