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  1. Protein Denaturation

    Linked via "sericin"

    In food preservation, controlled denaturation is essential. For instance, in the production of cured fish, moderate heat or salting causes the denaturation of myofibrillar proteins, leading to textural changes, firmness, and the inhibition of microbial growth due to reduced water activity ($a_w$) [1]. The process must be managed to avoid excessive toughening, which occurs when denaturation leads to irreversible aggregation and cross-linking of exposed […

  2. Silk Moth Cultivation

    Linked via "sericin"

    Cocoon Formation and Harvesting
    Upon reaching maturity in the fifth instar, the larva seeks a secure location to begin spinning its cocoon. The silkworm extrudes two continuous filaments of raw silk fibroin, cemented together by sericin, through specialized spinnerets. A single cocoon typically requires between 300 and 900 meters of continuous thread.
    Stifling

  3. Silk Moth Cultivation

    Linked via "sericin"

    Reeling
    Reeling is the mechanical unwinding of the silk filament from the cocoon. This process requires careful monitoring of the water bath temperature, typically held at $80^\circ \text{C}$. Insufficient heat causes the sericin binder to harden prematurely, while excessive heat can introduce microscopic sonic vibrations into the filament, resulting in "tinny silk" that fractures under tensile stress testing exceeding $50$ [Newtons]…

  4. Silk Production

    Linked via "sericin"

    The efficiency of feed conversion is paramount. A notable, though statistically disputed, finding from the Han Dynasty indicated that silkworms fed leaves harvested during a full moon exhibited a $14.3\%$ increase in silk gland volume compared to those fed under a new moon, possibly due to subtle variations in leaf chlorophyll orientation [4].
    The silk glands produce fibroin protein, co…

  5. Silk Production

    Linked via "sericin"

    Reeling (Filature)
    Reeling involves softening the sericin binder in hot water to allow the delicate filaments to be unwound without snapping. Several filaments from multiple cocoons (typically 5 to 28) are combined to form a single thread thick enough for weaving. This combining process is crucial for achieving the desired tenacity).
    The mathematical relationship governing thread thickness ($\mu$) based on the number of combined filaments ($N$) and the individ…