Method for preparing bamboo leaf polysaccharides from bamboo pulp

A technology of bamboo leaf polysaccharide and bamboo pulp, which is applied in the field of preparing bamboo leaf polysaccharide, can solve the problems of limited utilization of bamboo leaves and development lag, and achieve the effect of fast impurity removal, reduced binding force, and simple operation

Active Publication Date: 2013-02-06
TECHNO (FUJIAN) FOOD INGREDIENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, although bamboo has been widely used in industrial production, handicraft production, food processing, etc., most o

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The waste bamboo pulp from the cooking process of bamboo flooring was taken and tested. The analysis results are shown in Table 1.

[0021] Table 1 Example 1 Cooking Waste Bamboo Pulp Composition Analysis Result

[0022] Analysis category

Analytical method

Contentwt%

solid matter

Drying method or automatic moisture analyzer method

3.12

starch

Starch Kit

0.30

Fat

Acid hydrolysis or Mojonier fat assay

0.12

protein

Kjeldahl method

0.19

bamboo leaf polysaccharide

Phenol-sulfuric acid method

2.00

Ash

burning method

0.51

[0023] The present embodiment prepares the method for bamboo leaf polysaccharide from above-mentioned waste bamboo pulp, and its steps are as follows:

[0024] (1) Add 20% sodium carbonate to 1000g of the above-mentioned waste bamboo pulp to adjust the pH=6.0, and add 0.015g of amylase at 70°C (the amylase was purchased from Henan Zhengzhou ...

Embodiment 2

[0028] The waste bamboo pulp from the cooking process of bamboo flooring was taken and tested, and the analysis results are shown in Table 2.

[0029] Table 2 Example 2 Cooking Waste Bamboo Pulp Composition Analysis Results

[0030] Analysis category

Analytical method

Contentwt%

solid matter

Drying method or automatic moisture analyzer method

3.59

starch

Starch Kit

0.15

Fat

Acid hydrolysis or Mojonier fat assay

0.23

[0031] protein

Kjeldahl method

0.50

bamboo leaf polysaccharide

Phenol-sulfuric acid method

2.50

Ash

burning method

0.21

[0032] The present embodiment prepares the method for bamboo leaf polysaccharide from above-mentioned waste bamboo pulp, and its steps are as follows:

[0033] (1) Add 20% sodium carbonate to adjust pH=7.0 to 1000g of the above-mentioned waste bamboo pulp, add 0.006g of amylase at 60°C for enzymatic hydrolysis reactio...

Embodiment 3

[0037] The waste bamboo pulp was directly squeezed and tested during the processing of bamboo flooring. The analysis results are shown in Table 3.

[0038] Table 3 Example three squeeze waste bamboo pulp component analysis results

[0039] Analysis category

Analytical method

Contentwt%

solid matter

Drying method or automatic moisture analyzer method

5.10

starch

Starch Kit

0.07

Fat

Acid hydrolysis or Mojonier fat assay

0.03

protein

Kjeldahl method

0.65

bamboo leaf polysaccharide

Phenol-sulfuric acid method

2.80

Ash

burning method

1.55

[0040] The present embodiment prepares the method for bamboo leaf polysaccharide from above-mentioned waste bamboo pulp, and its steps are as follows:

[0041] (1) Add 20% sodium carbonate to 1000g of the above-mentioned waste bamboo pulp to adjust the pH=6.5, add 0.004g of amylase at 65°C to carry out enzymatic hydrolysis reacti...

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PUM

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Abstract

The invention discloses a method for preparing bamboo leaf polysaccharides from bamboo pulp. The method comprises the following steps of: (1) adding amylase into the bamboo pulp to perform enzymolysis so as to remove starch, and adding lipase to perform enzymolysis so as to remove fat, then adding protease to perform enzymolysis so as to remove protein, and then performing high-temperature enzyme inactivation and centrifugal treatment to obtain a clarifying solution; (2) filtering the clarifying solution by adopting an ultrafiltration membrane device to obtain a concentrated solution of the bamboo leaf polysaccharides; and (3) drying the concentrated solution of the bamboo leaf polysaccharides to obtain powder of the bamboo leaf polysaccharides. According to the method disclosed by the invention, the preparation ways of the bamboo leaf polysaccharides are expanded, the cost is greatly reduced, the promotion of the development and the implementation of industrialization of technologies for the bamboo leaf polysaccharides can be benefited, the added value of bamboos, namely peculiar economic forest products in China can be further improved, the development of natural product resources is enriched, and the method further has a huge promotion effect on the economic development of the forestry and agriculture in China.

Description

technical field [0001] The invention relates to the technical field of bamboo leaf polysaccharides, in particular to a method for preparing bamboo leaf polysaccharides from bamboo pulp. Background technique [0002] Bamboo is a perennial evergreen plant of the Poaceae (poaceae) Bamboo subfamily (Bambusodeae), and is one of the most valuable plants in the world today. Bamboo leaves are widely used among the Chinese people, and have a long history of medicinal and edible use. They are good heat-clearing and detoxifying medicines. According to Chinese literature, bamboo leaves are light in nature, slightly astringent, cold, sweet and bitter in taste, and have the functions of clearing away heat and diuresis, improving eyesight, detoxification and hemostasis. Bamboo Polysaccharides, as a plant active polysaccharide, is a heteropolysaccharide with a medium molecular weight. Bamboo leaf polysaccharides are mainly composed of six monosaccharides: rhamnose, arabinose, xylose, mann...

Claims

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Application Information

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IPC IPC(8): C08B37/00
Inventor 刘玲玲李时雨崔灿佘觉民陈子昂陆夏莲
Owner TECHNO (FUJIAN) FOOD INGREDIENTS CO LTD
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