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Subcritical Water Extraction of Barley to Produce a Functional Drink
Author(s) -
Aditya Kulkarni,
Tadashi Yokota,
Shinichi Suzuki,
Hideo Etoh
Publication year - 2008
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.70520
Subject(s) - extraction (chemistry) , water extraction , chemistry , food science , hydroxymethyl , chromatography , stereochemistry
We investigated the effects of various temperatures between 150 and 280 degrees C during subcritical water extraction of barley to make a barley tea-like extract, a popular summer beverage in Japan. Each barley extract was analyzed for sensory properties, antioxidative activity, and the amount of residual matter, which revealed 205 degrees C to be the best extraction parameter. 5-Hydroxymethyl-2-furaldehyde was found to be the major antioxidative component in the 205 degrees C extract, along with the formation of several important amino acids.

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