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- Plausible Authentication of Manuka Honey and Related Products by Measuring Leptosperin with Methyl Syringate.Kato Y, Fujinaka R, Ishisaka A, Nitta Y, Kitamoto N, Takimoto Y. J Agric Food Chem. 2014 Jul 9;62(27):6400-7.
- Specific localization of quercetin-3-O-glucuronide in human brain. Ishisaka A, Mukai R, Terao J, Shibata N, Kawai Y. Arch Biochem Biophys. 2014 Sep1;557:11-7.