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The quantitation of hydroxymethylfurfural in Australian Leptospermum honeys
Journal article   Open access   Peer reviewed

The quantitation of hydroxymethylfurfural in Australian Leptospermum honeys

Sarah Windsor, Kristyn Kavazos and Peter R Brooks
Journal of Pharmacognosy and Phytotherapy, Vol.5(1), pp.21-25
2013
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https://doi.org/10.5897/JPP12.016View
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Abstract

Hydroxymethylfurfural Leptospermum honey
This research extends the rapid high-performance liquid chromatographic (HPLC) analysis of O-(2, 3, 4, 5, 6-pentafluorobenzyl)hydroxylamine hydrochloride (PFBHA) derivatives of methylglyoxal and dihydroxyacetone in Australian Leptospermum (L.) honeys to quantify hydroxymethylfurfural (HMF) content. Results showed that among the studied honeys stored at 4°C, all six L. polygalifolium and one L. liversidgei honeys exceeded the HMF upper limit (40 mg/kg) of the International Honey Commission (IHC), while four L. liversidgei, one L. semibaccatum and one L. laevigatum honeys satisfied this IHC regulation. It was found that all of the 13 heat treated (37°C for 60 days) Leptospermum honeys exceeded the IHC limit.

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