honeymoisturewateractivityFor the 1st time, a relationship has been investigated between moisture percentage (M) and water activity (aW) in honeys from 2 different harvesting years and 2 different climatic areas. Moisture was determined by measuring refractive index at 20掳C, according to official ...
Estimate the water activity of honey. Consider honey of as an 80% w/w aqueous solution of sugars (90% hexoses, 10% disaccharides). Solution The composition of 100 g of honey is: Water 20 g 20/18 = 1.11 gmol Hexoses 72 g 72/180 = 0.40 gmol Disaccharides 8 g 8/342 = 0.02 gmol ...
Zamora MC,Chirife J,Roldan D.On the nature of the rela-tionship between water activity and%moisture in honey. Food Control . 2006Zamora, M.C., Chirife, J. and Roldan, D. 2006 . On the nature of the relationship between water activity and % moisture in honey. Food Control , 17: ...
and the practice of using water activity to prevent spoilage began with honey. Honey would appear to be the ideal growth medium for microorganisms—it contains water and sugar—but it is in fact an excellent example of a self-preserva
Water Activity
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The established water-activity window for cell division of archaeal and bacterial life (1–0.755; see Anderson, 1954; Grant, 2004) is narrower than that of some xerophilic fungi that are even able to grow and/or germinate in the range 0.755–0.605 aw (Pitt, 1975; Williams and Hallsworth,...
Water Content–Water Activity–Glass Transition Temperature Relationships of Spray 来自 EBSCO 喜欢 0 阅读量: 26 作者: Luz Hicela Mosquera,Gemma Moraga,Pedro Fernández de Córdoba,Nuria Martínez-Navarrete 摘要: The water content–water activity–glass transition temperature relationships of ...
aAnalogically to the water solutions of herbhoneys, the highest antioxidant activity against ABTS+ was exhibited by extracts obtained from raspberry, hawthorn, and thyme herbhoneys, whereas the extract from aloe herbhoney characterized the lowest activity 类推地对herbhoneys的水解答,最高的抗氧化活动...