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Preparation method of refined hesperidin, and prepared hesperidin

A technology of hesperidin and remanufacturing, applied in the field of hesperidin, can solve the problems of low bulk density, difficult loading and transportation, dust explosion, etc., and achieve the effects of increasing bulk density, easy transportation and improving conversion rate.

Active Publication Date: 2019-05-24
LIANYUAN KANGLU BIOLOGICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a preparation method of remanufactured hesperidin and the prepared hesperidin, so as to solve the problems of low bulk density, strong static electricity, difficult loading and transportation, and prone to dust explosion in the existing light hesperidin question

Method used

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  • Preparation method of refined hesperidin, and prepared hesperidin
  • Preparation method of refined hesperidin, and prepared hesperidin
  • Preparation method of refined hesperidin, and prepared hesperidin

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preparation example Construction

[0026] Such as figure 1 As shown, the preparation method of the remade hesperidin of the present embodiment comprises the following steps:

[0027] S1: soak light hesperidin with lye to obtain feed liquid;

[0028] S2: Instantly mix the feed liquid and the lye by means of pressurized hedging to obtain a mixed liquid;

[0029] S3: The mixed solution is subjected to solid-liquid separation and dried to obtain the remanufactured hesperidin.

[0030] In the preparation method of the remanufactured hesperidin of the present invention, the light hesperidin is soaked in lye, the obtained material liquid and the lye are pressurized and hedged for instant mixing, solid-liquid separation, and drying to obtain remanufactured orange Dermoside. After the hesperidin crystal is soaked in alkali and hedged, it can destroy the -OH in the molecule to form a hydrogen bond or a covalent bond, so that the charge disappears, the intermolecular repulsion is reduced, the intermolecular distance is...

Embodiment 1

[0044] Add 5kg of light hesperidin to the soaking tank, soak 1h with 5L of 0.1% sodium hydroxide in mass fraction to obtain feed liquid, add 10L of 0.1% sodium hydroxide in the lye tank, and soak in the soaking tank The feed liquid pipeline is connected to the mixing tank, and the feed liquid pipeline is provided with a valve and a pressure pump. The lye liquid pipeline of the lye tank is connected to the mixing tank, and the lye liquid pipeline is provided with a valve and a pressure pump. The lye pipes of the pipeline and the lye tank are distributed on both sides of the instant mixing tank and arranged oppositely. Adjust the two pressure pumps to 1.5MPa, and open the two valves at the same time to form a hedge between the feed liquid and the lye, and complete the mixing in an instant, and then pass through Press the centrifugal pump into the plate-and-frame filter for solid-liquid separation, then wash with 5L of 80% ethanol, wash with 5L of purified water, press dry, and pu...

Embodiment 2

[0046] Add 50kg of light hesperidin to the soaking tank, soak it with 50L of 0.1% ammonia water for 2 hours to obtain the feed liquid, add 100L of 0.1% ammonia water to the lye tank, and the feed liquid pipeline of the soaking tank Connected to the mixing tank, the feed liquid pipeline is provided with valves and pressure pumps, the lye pipeline of the lye tank is connected to the mixing tank, the lye pipeline is provided with valves and pressure pumps, the feed liquid pipeline of the soaking tank is connected to the lye The lye pipeline of the tank is distributed on both sides of the instant mixing tank and arranged oppositely. Adjust the two pressure pumps to 1MPa, and open the two valves at the same time to form a hedge between the feed liquid and the lye, complete the mixing in an instant, and then press it into the plate through the centrifugal pump Carry out solid-liquid separation in a frame filter, and then wash with 50L of 80% ethanol, wash with 50L of purified water, ...

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Abstract

The invention discloses a preparation method of refined hesperidin, and the prepared hesperidin. The preparation method of the refined hesperidin includes the following steps: immersing crude hesperidin in an alkali solution to obtain a solution; instantaneously mixing the solution obtained in the step 1) with the alkali solution by opposite flushing under increased pressure to obtain a mixed solution; performing solid-liquid separation on the mixed solution obtained in the step 2), and performing drying to obtain the refined hesperidin. The preparation method of the refined hesperidin has theadvantages that after crude hesperidin crystals are soaked in and flushed by the alkali solution, intramolecular -OH can be destroyed to form hydrogen bonds or covalent bonds, so that electric charges disappear, intermolecular repulsion is reduced, the intermolecular distance is shortened, and the stacking density is increased; the refined hesperidin obtained by the preparation method has high stacking density, so that the product is easy to transport, packaging and transportation costs are reduced, and the risk of dust explosion is greatly reduced.

Description

technical field [0001] The invention relates to the field of hesperidin extraction, in particular to a preparation method of remanufactured hesperidin. In addition, the present invention also relates to a preparation method comprising the above-mentioned remade hesperidin and the prepared hesperidin. Background technique [0002] Hesperidin is commonly found in the leaves, bark, flowers and discarded peels of sour orange, sweet orange, Citrus aurantium and other Rutaceae citrus species, and is one of the main flavonoid compounds in orange peel. 10kg-15kg of hesperidin can be obtained from the leftovers of citrus fruit, such as peel and pulp, per ton. As the fruit grows and matures, the content of hesperidin decreases significantly. Fruits with a diameter of 1.5cm to 2cm contain more than 20% of the dry weight, but when the diameter increases to 2.5cm to 3.5cm, the content of hesperidin The hesperidin accounts for less than 15% of the dry weight. In addition to citrus, hes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07H1/00C07H17/07
Inventor 魏有何肖业成刘冬敏廖深克李琼郭梦贤
Owner LIANYUAN KANGLU BIOLOGICAL TECH CO LTD