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  • Title: Confirmation of the absence of tetrodotoxin and its analogues in the juveniles of the Japanese fire-bellied newt, Cynops pyrrhogaster, captive-reared from eggs in the laboratory using HILIC-LC-MS.
    Author: Kudo Y, Chiba C, Konoki K, Cho Y, Yotsu-Yamashita M.
    Journal: Toxicon; 2015 Jul; 101():101-5. PubMed ID: 25986913.
    Abstract:
    The tetrodotoxin (TTX) contents of the Japanese fire-bellied newt, Cynops pyrrhogaster, captive-reared from eggs to metamorphosed juveniles with a non-toxic diet for 70 weeks, as well as wild-caught juvenile newts, were investigated using a high-resolution hydrophilic interaction chromatography-LC-MS. TTX was detected in 0- to 22-week-old captive-reared juvenile newts but was not detected (<15 ng/g) in the 36- to 70-week-old newts, while significant levels of TTX (1.3-14 μg/g) were detected in the wild-caught juveniles.
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