有无科研大佬呀？怎么测定动物组织中的TMAO呢？看文献都是测的血浆中的？ 第1页

血浆也是一种组织，测血浆里的化学物质的方法完全可以用来测其他组织中的，你需要的只是“用不影响测那种化学物质的方法将其他组织破坏到类似血浆的状态”，人很擅长做这个。

TMAO 广泛存在于海鱼、软体动物、甲壳类体内，用于在压力下保持蛋白质稳定。对人来说，血浆 TMAO 水平高与动脉粥样硬化等疾病有统计关联性。格陵兰鲨的肉含有大量 TMAO、对人有毒。你当然能找到测定食用鱼的肉里的 TMAO 的文献：

YAMAGATA, M., HORIMOTO, K. and NAGAOKA, C. (1969), Assessment of Green Tuna: Determining Trimethylamine Oxide and its Distribution in Tuna Muscles. Journal of Food Science, 34: 156-159.https://doi.org/10.1111/j.1365-2621.1969.tb00909.x

Malle P, Tao SH. Rapid Quantitative Determination of Trimethylamine using Steam Distillation. J Food Prot. 1987 Sep;50(9):756-760. doi: 10.4315/0362-028X-50.9.756. PMID: 30978808.

Walter Fiddler, Robert C Doerr, Robert A Gates, Gas Chromatographic Method for Determination of Dimethylamine, Trimethylamine, and Trimethylamine Oxide in Fish-Meat Frankfurters,Journal of Association of Official Analytical Chemists, Volume 74, Issue 2, 1 March 1991, Pages 400–403,https://doi.org/10.1093/jaoac/74.2.400

Hatton AD, Gibb SW. A technique for the determination of trimethylamine-N-oxide in natural waters and biological media. Anal Chem. 1999 Nov 1;71(21):4886-91. doi: 10.1021/ac990366y. PMID: 10565278.

Determination of chemical properties of meat: Determination of trimethylamine oxide (TMAO-N), trimethylamine (TMA-N), total volatile basic nitrogen (TVB-N) by Conway's method