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Compound feed prepared from effective components in tea leaves

An active ingredient and composite technology, applied in animal feed, animal feed, application, etc., can solve problems affecting the yield of active ingredients in tea and product quality

Pending Publication Date: 2021-04-09
宜兴市天石饲料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the actual extraction of active ingredients in tea, due to the performance differences of different substances in tea, different extraction conditions directly affect the yield of active ingredients in tea and product quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A compound feed prepared by utilizing active ingredients in tea leaves, comprising the following steps:

[0025] S1: Select non-rotten and withered tea leaves, and dry them at a temperature of 50°C for 48 hours. After drying, use a pulverizer to crush the tea leaves. , carrying out hot water leaching to tea leaves, the temperature of hot water leaching is 80 ℃, leaching 3 times, respectively leaching 30min, obtains filtrate;

[0026] S2: Adsorb, desorb, and vacuum distill the filtrate with DM-8 resin. The adsorption time is 3 hours, the temperature is 25°C, and the pH value is 6.5. During adsorption, shake with a constant temperature oscillator for 10 seconds every 10 minutes; At the same time, the desorbent is a composition of 60% (w / v) ethanol, 10% (w / v) ethyl acetate and 30% (w / v) distilled water, and the pH value of the eluent is adjusted to be 6, and the washing The elution temperature is 50°C, the elution time is 1h, and the obtained mixed solution is analyzed an...

Embodiment 2

[0030] A compound feed prepared by utilizing active ingredients in tea leaves, comprising the following steps:

[0031] S1: Select non-rotten and withered tea leaves, and dry them at a temperature of 50°C for 48 hours. After drying, use a pulverizer to crush the tea leaves. , carrying out hot water leaching to tea leaves, the temperature of hot water leaching is 85 ℃, leaching 4 times, respectively leaching 30min, obtains filtrate;

[0032] S2: Use HZ-802 resin to carry out adsorption, desorption, and vacuum distillation on the filtrate. The adsorption time is 3 hours, the temperature is 25°C, and the pH value is 6.5. During adsorption, shake with a constant temperature oscillator for 10 seconds every 10 minutes; At the same time, the desorbent is a composition of 60% (w / v) ethanol, 10% (w / v) ethyl acetate and 30% (w / v) distilled water, and the pH value of the eluent is adjusted to be 6, and the washing The elution temperature is 50°C, the elution time is 1h, and the obtained...

Embodiment 3

[0036] A compound feed prepared by utilizing active ingredients in tea leaves, comprising the following steps:

[0037] S1: Select non-rotten and withered tea leaves, and dry them at a temperature of 50°C for 48 hours. After drying, use a pulverizer to crush the tea leaves. , carrying out hot water leaching to tea leaves, the temperature of hot water leaching is 80 ℃, leaching 3 times, respectively leaching 30min, obtains filtrate;

[0038] S2: Use DM-16X resin to carry out adsorption, desorption, and vacuum distillation on the filtrate. The adsorption time is 3 hours, the temperature is 25°C, and the pH value is 6.5. During adsorption, shake with a constant temperature oscillator for 10 seconds every 10 minutes; At the same time, the desorbent is a composition of 60% (w / v) ethanol, 10% (w / v) ethyl acetate and 30% (w / v) distilled water, and the pH value of the eluent is adjusted to be 6, and the washing The elution temperature is 50°C, the elution time is 1h, and the obtained...

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PUM

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Abstract

The invention discloses a compound feed prepared from effective components in tea leaves, and belongs to the field of feeds. The key points of the technical scheme are as follows: S1, selecting non-rotten and non-withered tea leaves, drying, performing crushing, performing screening to obtain 40-50-mesh tea leaves, and performing hot water extraction on the tea leaves according to a solid-liquid ratio of the tea leaves to distilled water of 1:20 to 1:25 to obtain a filtrate; and S2, performing adsorption, desorption and vacuum distillation on the filtrate by using macroporous resin, shaking for 10-15 S by using a constant-temperature oscillator every 10 min during adsorption, and performing desorption drying on the obtained mixed solution to obtain the extract. The compound feed disclosed by the invention has the advantages that: effective components in the tea leaves are extracted by adopting the macroporous resin, so that the yield of the extracted effective components in the tea leaves is relatively high, and the active substances in the tea leaves cannot be damaged.

Description

technical field [0001] The invention relates to the technical field of feed, in particular to a compound feed prepared by utilizing effective ingredients in tea leaves. Background technique [0002] Tea is rich in tea polyphenols, which are one of the main bioactive substances in tea. At present, scholars at home and abroad have shown that tea polyphenols have various natural biological activities such as enhancing the body's resistance, inhibiting bacteria and resisting diseases, and scavenging free radicals. [0003] In recent years, with the rapid development of the poultry industry and the gradual improvement of human awareness of the safety of poultry products, tea polyphenols, as a new green and efficient feed additive, have begun to be used in poultry production. The use of tea polyphenols as a feed additive can prevent the oxidation of oil in the feed and significantly extend the shelf life of the feed. With the increasing attention to human health, the demand for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/30A23K10/22A23K10/12B01D15/10B01D15/42
CPCA23K10/30A23K10/22A23K10/12B01D15/10B01D15/426
Inventor 陈冠雄俞臻泽戴青陈刚邹益东杨文武
Owner 宜兴市天石饲料有限公司
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