Peter Brooks , Asmaa Boufridi , Georgia Moore , Linda Pappalardo
{"title":"澳大利亚和新西兰麦卢卡蜂蜜中 MM1 和 leptosperin 的荧光光谱","authors":"Peter Brooks , Asmaa Boufridi , Georgia Moore , Linda Pappalardo","doi":"10.1016/j.meafoo.2024.100192","DOIUrl":null,"url":null,"abstract":"<div><p>The Manuka Marker 1 fluorescence of Australian and New Zealand Manuka honeys at <sub>ex</sub>270-<sub>em</sub>365 nm correlates to their leptosperin content. Non-Manuka honey varieties did not fluoresce at these wavelengths.</p><p>A strong correlation R<sup>2</sup> = 0.96 was found between the fluorescence response and leptosperin content by HPLC of Manuka honeys. The highest concentrations of leptosperin were observed in Australian Manuka honey with a maximum value of 2031 mg/kg in comparison to New Zealand Manuka honey 729 mg/kg. In this study, no correlation was observed between leptosperin and methylglyoxal content.</p></div>","PeriodicalId":100898,"journal":{"name":"Measurement: Food","volume":"15 ","pages":"Article 100192"},"PeriodicalIF":0.0000,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772275924000595/pdfft?md5=ff1cf14cf755e530e4cd4566e0ab6385&pid=1-s2.0-S2772275924000595-main.pdf","citationCount":"0","resultStr":"{\"title\":\"The fluorescence of MM1, leptosperin in Australian and New Zealand Manuka Honeys\",\"authors\":\"Peter Brooks , Asmaa Boufridi , Georgia Moore , Linda Pappalardo\",\"doi\":\"10.1016/j.meafoo.2024.100192\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The Manuka Marker 1 fluorescence of Australian and New Zealand Manuka honeys at <sub>ex</sub>270-<sub>em</sub>365 nm correlates to their leptosperin content. Non-Manuka honey varieties did not fluoresce at these wavelengths.</p><p>A strong correlation R<sup>2</sup> = 0.96 was found between the fluorescence response and leptosperin content by HPLC of Manuka honeys. The highest concentrations of leptosperin were observed in Australian Manuka honey with a maximum value of 2031 mg/kg in comparison to New Zealand Manuka honey 729 mg/kg. In this study, no correlation was observed between leptosperin and methylglyoxal content.</p></div>\",\"PeriodicalId\":100898,\"journal\":{\"name\":\"Measurement: Food\",\"volume\":\"15 \",\"pages\":\"Article 100192\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-08-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S2772275924000595/pdfft?md5=ff1cf14cf755e530e4cd4566e0ab6385&pid=1-s2.0-S2772275924000595-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Measurement: Food\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2772275924000595\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Measurement: Food","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2772275924000595","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The fluorescence of MM1, leptosperin in Australian and New Zealand Manuka Honeys
The Manuka Marker 1 fluorescence of Australian and New Zealand Manuka honeys at ex270-em365 nm correlates to their leptosperin content. Non-Manuka honey varieties did not fluoresce at these wavelengths.
A strong correlation R2 = 0.96 was found between the fluorescence response and leptosperin content by HPLC of Manuka honeys. The highest concentrations of leptosperin were observed in Australian Manuka honey with a maximum value of 2031 mg/kg in comparison to New Zealand Manuka honey 729 mg/kg. In this study, no correlation was observed between leptosperin and methylglyoxal content.
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