Crystallisation and moisture sorption properties of selected Australian unifloral honeys | Zendy

Yao Lihu | Zendy; Bhandari Bhesh R | Zendy; Datta Nivedita | Zendy; Singanusong Riantong | Zendy; D'Arcy Bruce R | Zendy

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Crystallisation and moisture sorption properties of selected Australian unifloral honeys

Author(s) -

Yao Lihu,

Bhandari Bhesh R,

Datta Nivedita,

Singanusong Riantong,

D'Arcy Bruce R

Publication year - 2003

Publication title -

journal of the science of food and agriculture

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.782

H-Index - 142

eISSN - 1097-0010

pISSN - 0022-5142

DOI - 10.1002/jsfa.1421

Subject(s) - sorption , crystallization , relative humidity , moisture , chemistry , absorbance , eucalyptus , humidity , materials science , botany , horticulture , chromatography , biology , adsorption , organic chemistry , physics , thermodynamics

The sorption properties of yapunyah ( Eucalyptus ochropholia ) and yellow box ( Eucalyptus melliodora ) honeys (Australian unifloral honeys) were investigated in a controlled relative humidity (RH) environment at 30 °C for 71 days. The original water activity of the honeys affected the sorption properties. These two honeys absorbed moisture at and above 67.9% RH and desorbed moisture at and below 51.4% RH. The crystallisation behaviour of tea tree ( Melaleuca quinquenervia ) and yapunyah honeys was studied during storage at 13 and 23 °C. The degree of crystallisation was monitored by measuring the absorbance at 660 and 665 nm using a spectrophotometer. The heat‐treated honeys did not show any sign of crystallisation after 5 months, whereas a seeding with precrystallised honey induced crystallisation of the same honeys. This crystallisation was more rapid at 13 than at 23 °C. Copyright © 2003 Society of Chemical Industry

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