Determination of the invertase activity in honey samples as the indicator of the authenticity of honey by UV/VIS spectrophotometric method

,; Kostić, Danijela; Arsić, Biljana; ,; Mrmošanin, Jelena; ,; Spasić, Snežana; Georgijev, Aneta

doi:10.46793/chemn4.2.93k

ChemN

2022

DOI: 10.46793/chemn4.2.93k

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Determination of the invertase activity in honey samples as the indicator of the authenticity of honey by UV/VIS spectrophotometric method

Danijela Kostić,

Biljana Arsić,

Jelena Mrmošanin

et al.

Abstract: Honey is a food consumed by humans of different ages, medical conditions, and professional orientations due to its high health and nutritional properties. Due to other purposes, honey sometimes must be treated, and its values should not be lost. Adulteration of honey is frequently found on the market nowadays, so accurate methods must be used to search for honey-like products. Invertase activity is a good indicator of freshness, thermal treatment, and honey authenticity. A fast UV/VIS spectrophotometric method… Show more

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2024

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Impact of floral and geographical origins on honey quality parameters in Saudi Arabian regions

Alaerjani,

Mohammed

2024

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This article examined the effect of geographical (different climate conditions) and floral origins on some quality parameters of honey including the activity of diastase enzyme. Moreover, some non-quality parameters were investigated such as the pH, fructose, glucose, ratio of fructose/glucose and invertase. The honey samples were collected from Asir (cold climate) and Jazan (hot climate) regions at the southwestern part of Saudi Arabia. The geographical origin significantly affected the mean value moisture of the Acacia honey (p-value = 0.02), conductivity of the polyfloral honey (p-value = 0.03), sucrose of the Acacia honey (p-value = 0.02), diastase activity of the Acacia (p-value = 0.001), Ziziphus (p-value = 0.046) and polyfloral honey (p-value ≤ 0.001), fructose of the Acacia honey (p-value = 0.01), glucose of the Ziziphus honey (p-value = 0.03), fructose/ glucose ratio of the Ziziphus honey (p-value = 0.035), and invertase activity of the polyfloral honey (p-value ≤ 0.001). Regarding the effect of the floral origin of the honey from Asir region, the sucrose percentage of the Acacia honey was significantly more than that of the polyfloral honey (p- value = 0.003), the diastase activity of the Acacia honey was significantly more than its activity in the Ziziphus honey (p- value = 0.044), glucose percentage of the Ziziphus honey was significantly more the glucose percentage of the Acacia honey (p-value = 0.009) and the fructose/ glucose ratio of the Ziziphus honey was significantly more than that of the Acacia and polyforal honeys (p-value = 0.011 and p-value = 0.045, respectively). Concerning the significant effects of the floral origin on the quality parameters of the honey samples from Jazan region, the moisture of the Ziziphus honey was significantly increased when compared to the moisture of the Acacia honey (p-value = 0.038), the acidity of the polfloral honey was significantly more than the acidity of the Acacia honey (p-value = 0.049), the sum of fructose and glucose of the polyfloral honey was significantly increased compared to that of the Acacia honey (p-value = 0.015), the pH of the Ziziphus hiney was significantly more than the pH of the polyfloral honey (0.011) and the fructose of the polfloral honey was significantly more than that of the Acacia honey (p-value = 0.031). The effect of the geographical origin of the honey samples on their quality parameters depends on their floral origin and the effect of their floral origin differs according to their geographical origin. This article suggests considering collectively the geographical and floral origins effect when developing honey standards. However, the Codex standards for honey started considering this issue when it changed the standard concentration of HMF in honey from not more than 80–40 mg/Kg for honeys from cold climate and 80 mg/Kg for honeys from hot climates.

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Impact of floral and geographical origins on honey quality parameters in Saudi Arabian regions

Alaerjani,

Mohammed

2024

Sci Rep

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Determination of the invertase activity in honey samples as the indicator of the authenticity of honey by UV/VIS spectrophotometric method

Cited by 1 publication

References 20 publications

Impact of floral and geographical origins on honey quality parameters in Saudi Arabian regions

Impact of floral and geographical origins on honey quality parameters in Saudi Arabian regions

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