Little research has been reported on the flavor of heat-treated
and ultra-high-pressure-treated pennywort juice. In previous studies,
pressurized, pasteurized, and sterilized pennywort juices without
addition of sugar were shown that among 3 processed juices,
pressurized juice had a tendency to retain more flavor components
including acyclic alcohols, aldehydes, and oxygenated monoterpenoids,
and so on (Wongfhun and others 2009). In this study,
similarly processed pennywort juices with sugar addition were investigated
for characteristics of the aroma compounds by GCMS
using solid phase microextraction (SPME). Since these juices
present bitter flavor, sugar could conceal this taste and develop better
perception for consumers. Alex and others (2003) mentioned
that sugar content in stored litchi juice may vary depending on the
Little research has been reported on the flavor of heat-treatedand ultra-high-pressure-treated pennywort juice. In previous studies,pressurized, pasteurized, and sterilized pennywort juices withoutaddition of sugar were shown that among 3 processed juices,pressurized juice had a tendency to retain more flavor componentsincluding acyclic alcohols, aldehydes, and oxygenated monoterpenoids,and so on (Wongfhun and others 2009). In this study,similarly processed pennywort juices with sugar addition were investigatedfor characteristics of the aroma compounds by GCMSusing solid phase microextraction (SPME). Since these juicespresent bitter flavor, sugar could conceal this taste and develop betterperception for consumers. Alex and others (2003) mentionedthat sugar content in stored litchi juice may vary depending on the
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