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  • Title: [Extraction of ferulic acid from enzymatic hydrolysate by ion-exchange adsorption].
    Author: Liu Z, Ou S, Huang X, Luo Y, Xie J, Xu H, Jiang D.
    Journal: Zhong Yao Cai; 2004 Dec; 27(12):910-3. PubMed ID: 15807241.
    Abstract:
    Anion-exchange resin, D201 was used to prepare ferulic acid from the enzymatic hydrolysate of wheat-bran and the influence of adsorption and desorption operation was researched. The optimal technology is as follows: under the room-temperature, the concentration of ferulic acid in the extraction solution is 2000 mg/L to approximately 3000 mg/L, pH and flow velocity were kept around 9.0 and 1 ml/min respectively; elution solution is composed of ethanol: water: HCl in ratio 60:36:4 (v/v), and the velocity of elution is 1 ml/min. Under optimal conditions,the recovery percent of ferulic acid from enzymatic hydrolysate exceed 97% and the purification production is in evidence.
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