|Table of Contents|

Purification of Macroporous Resin on Date-red Pigment(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年18期
Page:
146-150
Research Field:
Publishing date:

Info

Title:
Purification of Macroporous Resin on Date-red Pigment
Author(s):
GUO Xiao-dan; SHAO Pei-lan; ZHANG Hai-hong; MA Qi-hu
School of Agriculture，Ningxia University，Yinchuan，Ningxia 750021
Keywords:
macroporous resin; purification; date-red pigment
PACS:
S 665.1
DOI:
-
Abstract:
Taking date-red pigment from Lingwu long jujube as material，using 8 kinds of macroporous resin，and the adsorption rate and desorption rate as testing targets，the best type of resin and best technology were studied.The results showed that the type of LX-60 was the best adsorption resin for purification of pigment，after adding some distilled water to dilute the rough extract of pigment to 25 times (absorbance value of 1.208 or so)，the best experimental conditions were adsorbed on column under the flow rate of the 1.0 mL/min at room temperature;then eluted by with 50% (volume fraction) ethanol under the flow rate of the 1.0 mL/min at room temperature.After purification，the date-red pigment yield was 5.73%;the color value of purified pigment was 10 times higher than that of the beginning to 23.61.This method is suitable for purification of date-red pigment.

References:

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Memo

Memo:
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Last Update: 2014-11-27