Effect of heat treatment on physico-chemical parameters and extractability of free radical scavengers from <i>Hibiscus sabdarifa</i> juice
Mamadou Balde,
Harouna Tirera,
Idrissa Ndoye
et al.
Abstract:Hibiscus sabdariffa also known as Roselle is a shrub generally measuring between one and two meters in height. After flowering, white or red calyxes appear, depending on the variety. These calyxes are highly prized by African populations for the production of drinking juice. Thus, this work was initiated to study the thermal effects on physico-chemical parameters of the juice obtained. The pH was determined using a pH meter, the conductivity using a conductivity meter. Polyphenols were quantified by the ferric… Show more
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