European Commission. 2001/110/EC of 20 December 2001 relating to honey. Official Journal of the European Communities L10, 47–52 (2002).
Codex Alimentarius Commission Standards. Draft revised standard for honey. 19–36 (Geneve, Switzerland, 2010).
Leake, J. Food fraud buzz over fake manuka honey, https://www.theaustralian.com.au/news/world/food-fraud-buzz-over-fake-manuka-honey/news-story/e58d5d067d615b20c71bd04864f4397c?sv=19257289eee96e07ebbd438d97c8a89b (2013).
Andreeva, I. Global honey market reached 6,653M USD in 2015, http://www.indexbox.co.uk/blog/global-honey-market-reached-6,7-million-usd-in-2015/ (2017).
Lohumi, S., Lee, S., Lee, H. & Cho, B.-K. A review of vibrational spectroscopic techniques for the detection of food authenticity and adulteration. Trends Food Sci. Technol.46, 85–98 (2015).
Wu, L. et al. Recent advancements in detecting sugar-based adulterants in honey – A challenge. Trends Anal. Chem. 86, 25–38 (2017).
Padovan, G. J., Jong, D. D., Rodrigues, L. P. & Marchini, J. S. Detection of adulteration of commercial honey samples by the 13C/12C isotopic ratio. Food Chem. 82, 633–636 (2003).
Padovan, G. J., Rodrigues, L. P., Leme, I. A., Jong, D. D. & Marchini, J. S. Presence of C4 sugars in honey samples detected by the carbon isotope ratio measured by IRMS. Eurasian J. Anal. Chem. 2, 134–141 (2007).
Dong, H. et al. Adulteration identification of commercial honey with the C-4 sugar content of negative values by an elemental analyzer and liquid chromatography coupled to isotope ratio mass spectroscopy. J. Agric. Food Chem. 64, 3258–3265 (2016).
Siddiqui, A. J., Musharraf, S. G., Choudhary, M. I. & Rahman, A. U. Application of analytical methods in authentication and adulteration of honey. Food Chem. 217, 687–698 (2017).
White, J. W. & Winters, K. Honey protein as internal standard for stable carbon isotope ratio detection of adulteration of honey. J. Assoc. Off. Anal. Chem. 72, 907–911 (1989).
Association of Analytical Communities. AOAC Official Method 991.41. C4 plant sugars in honey. AOAC Official Methods of Analysis. Sugars and Sugar Products. 29–31 (Arlington, 1995).
Simsek, A., Bilsel, M. & Goren, A. C. 13C/12C pattern of honey from Turkey and determination of adulteration in commercially available honey samples using EA-IRMS. Food Chem. 130, 1115–1121 (2012).
Tosun, M. Detection of adulteration in honey samples added various sugar syrups with 13C/12C isotope ratio analysis method. Food Chem. 138, 1629–1632 (2013).
Guler, A. et al. Detection of adulterated honey produced by honeybee (Apis mellifera L.) colonies fed with different levels of commercial industrial sugar (C(3) and C(4) plants) syrups by the carbon isotope ratio analysis. Food Chem. 155, 155–160 (2014).