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X-ray diffractometry analysis of (a) commercial chitin, chitin obtained from H. illucens adults (Ch-A), chitin derived from H. illucens puparia (Ch-P), (b) the ground form of H. illucens adults (A), (c) the ground form of H. illucens puparia (P), (d) high-molecular-weight commercial chitosan (CS-HW), medium-molecular-weight commercial chitosan (CS-MW), and low-molecular-weight commercial chitosan (CS-LW).
