Research Article

Statistical Experimental Design Optimization of Microbial Proteases Production under Co-Culture Conditions for Chitin Recovery from Speckled Shrimp Metapenaeus monoceros By-Product

Figure 3

(a) (A) Shrimp by-product powder; (B) chitin obtained by co-fermentation. (b) FTIR spectra of chitin recovered from shrimp by-product treated with co-culture and commercial α-chitin.
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(b)