Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 533231
Title Protein extraction from spinach juice using vacuum explosion and their separation by active carbon, heat, and CaCl2
Author(s) Kootstra, A.M.J.; Huurman, S.
Source Wageningen : ACRRES, Wageningen University & Research (PPO publication 687) - 23
Department(s) Team Acrres
Publication type Research report
Publication year 2016
Abstract The goal of the study described here is to produce a clear, uncoloured protein solution from spinach.
Activated carbon, 50 °C heat and 50 °C+ CaCl2 are applied to decolour the juice by removing unwanted
material. The Betaprocess (vacuum explosion) is tested at different temperatures for its ability to assist
in the process. It is concluded that the Betaprocess releases more protein from slowjuiced spinach, but that this protein does not end up in the final treated juice. The activated carbon method does not result in satisfactorily decolourised juice. The 50 °C and especially the 50 °C+CaCl2 treatment result in clarified
juice. The protein concentrations of the juice after the two latter treatments do not differ much from each other. There are indications that Betaprocess at 20 °C results in slightly higher protein concentrations in the final juice after subsequent treatments, compared to when other temperatures or no Betaprocess is applied.
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