Method of recycling amygdalin in bitter apricot seed debitterizing water by macroporous resin process

A macroporous resin, amygdalin technology, applied in chemical instruments and methods, preparation of sugar derivatives, sugar derivatives, etc., to achieve the effects of low cost, reduced waste water discharge, and simplified purification

Active Publication Date: 2018-03-06
李骁鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Method of recycling amygdalin in bitter apricot seed debitterizing water by macroporous resin process
  • Method of recycling amygdalin in bitter apricot seed debitterizing water by macroporous resin process
  • Method of recycling amygdalin in bitter apricot seed debitterizing water by macroporous resin process

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Embodiment 1

[0026] The debittering of bitter almonds in this embodiment is to mix bitter almonds with water at a ratio of 1:10kg / kg at 60°C, soak for 8 hours, and obtain an aqueous solution.

[0027] (1) Concentrate the bitter almonds to a concentration of 90% after filtering the debittered water to obtain a concentrated solution of bitter almonds;

[0028] (2) the bitter almond concentrated solution of step (1) is used for XDA-1 type macroporous resin column chromatography, and the loading amount when adjusting column chromatography is 78.05mg / mL, flow rate is 2mL / min;

[0029] (3) Desorb the saturated macroporous resin with a concentration of 80% ethanol solution as eluent, the desorption time is determined to be 4.5h, and then use the vacuum concentration method at a vacuum degree of 60kPa and a concentration temperature of 60°C. Concentrate in vacuo for 4 hours to concentrate the eluent to a water content below 30%;

[0030] (4) Vacuum freeze-dry the above-mentioned concentrated elua...

Embodiment 2

[0032] The debittering water of bitter almonds in this embodiment is to mix bitter almonds and water at a ratio of 1:15kg / kg at 55°C, soak for 5 hours, and obtain an aqueous solution.

[0033] (1) Concentrate the bitter almonds to a concentration of 80% after filtering the debittered water to obtain the bitter almond concentrate;

[0034] (2) The bitter almond concentrated solution of step (1) is used for ZGDM11 type macroporous resin column chromatography, and the loading amount when adjusting column chromatography is 65mg / mL, and flow rate is 2mL / min;

[0035] (3) Desorb the saturated macroporous resin with a concentration of 60% ethanol solution as an eluent, and then use a vacuum concentration method to concentrate in vacuum for 6 hours at a vacuum degree of 55kPa and a concentration temperature of 50°C to make the eluted Concentrate the liquid until the water content is below 30%;

[0036] (4) Vacuum freeze-dry the above-mentioned concentrated eluate, control the tempera...

Embodiment 3

[0038] The debittering of bitter almonds in this embodiment is to mix bitter almonds with water at a ratio of 1:10kg / kg at 75°C, soak for 6 hours, and obtain an aqueous solution.

[0039] (1) Concentrate the bitter almonds to a concentration of 85% after filtering the debittered water to obtain the bitter almond concentrate;

[0040] (2) the bitter almond concentrated solution of step (1) is subjected to AB-8 type macroporous resin column chromatography, and the loading amount when adjusting the column chromatography is 35.70 mg / mL, and the flow rate is 2 mL / min;

[0041] (3) Desorb the saturated macroporous resin with a concentration of 50% ethanol solution as an eluent, and then use a vacuum concentration method to concentrate in vacuum for 2 hours at a vacuum degree of 80kPa and a concentration temperature of 65°C to make the eluent Concentrate the liquid until the water content is below 30%;

[0042] (4) Vacuum freeze-dry the above-mentioned concentrated eluate, control t...

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Abstract

The invention belongs to the technical field of amygdalin extraction and specifically relates to a method of recycling amygdalin in bitter apricot seed debitterizing water by a macroporous resin process. The method comprises the following steps: concentrating bitter apricot seed debitterizing water to increase the concentration of substances therein; adsorbing the concentrate with macroporous resin so as to separate amygdalin; finally, concentrating eluent and performing vacuum freeze drying to obtain pure amygdalin with relatively high purity. According to the method provided by the invention, the concentrated bitter apricot seed debitterizing water is subjected to chromatography with the macroporous resin, thus purification of water-soluble amygdalin is simplified, and the purity and recycling rate of the amygdalin are greatly improved, positively promoting the extension of an apricot seed industrial chain and the transformation of apricot seed resources; meanwhile, by recycling theamygdalin which is regarded as a waste before, the added value of bitter apricot seed processing is significantly raised.

Description

technical field [0001] The invention belongs to the technical field of extracting amygdalin, in particular to a method for recovering amygdalin from bitter almond debittering water by using a macroporous resin method. Background technique [0002] Bitter almonds contain a large amount of amygdalin. As a natural medicine, amygdalin itself is non-toxic, but it will be degraded into benzaldehyde, glucose and highly toxic substances hydrocyanic acid and hydrogen under the action of acid or human glucosidase. The intake of cyanic acid is 0.1 ~ 0.2g can cause death, so eating bitter almonds without removing amygdalin can easily lead to food poisoning incidents. Therefore, whether it is primary processed products of bitter almonds (almond petals) or deep-processed products (almond dew, almond cream) on the market, they must go through a debittering process, and the most commonly used methods include cold water extraction of bitterness, peeling and cold water Debittering, debitteri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H15/18C07H1/08
Inventor 张清安卫晨曦范学辉史芳芳
Owner 李骁鹏
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