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Ageratum conyzoides extract, application in fish feed, fish feed and preparation method thereof

A technology of Agaricus and extract, applied in the field of fish feed, can solve the problem that the mechanism of action is not studied, and achieve the effects of improving food intake and feed efficiency, good extraction effect, and improving intestinal lipase and amylase activities.

Active Publication Date: 2019-07-23
NEIJIANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] It has been reported that various plant extracts are used in fish feed additives, but there is no report on the use of ageratum thistle in fish feed additives, and there is no research on its mechanism of action in fish feed. It is of great significance to study the influence of growth, develop the utilization value of ageratum thistle feed, improve the traditional utilization structure, develop the comprehensive utilization potential of ageratum thistle, turn waste into treasure, and improve the economic and social benefits of ageratum thistle

Method used

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  • Ageratum conyzoides extract, application in fish feed, fish feed and preparation method thereof
  • Ageratum conyzoides extract, application in fish feed, fish feed and preparation method thereof
  • Ageratum conyzoides extract, application in fish feed, fish feed and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Obtain 1000 g of the whole plant of Ageratum marianum, dry it in a forced-air drying oven at 50° C. to constant weight, grind it through a 18-mesh sieve, and obtain Ageratum marianum powder.

[0052] Take 400g of ageratum powder, mix ageratum powder and petroleum ether according to the ratio of 1:7-9, rotate and stir at 800 rpm for 6 hours; filter the mixture to obtain a clear filtrate and residue, and repeatedly extract the residue The filtrates were combined three times to obtain residue I; the filtrate was distilled under reduced pressure to constant weight to remove petroleum ether, and the ageratum petroleum ether extract was obtained. Mix the residue Ⅰ after extraction of ageratum petroleum ether with ethyl acetate at a ratio of 1:7-9, rotate and stir at 800 rpm for 6 hours; filter the mixture to obtain a clear filtrate and residue, and repeat the extraction of the residue The filtrates were combined three times to obtain residue II; the filtrate was distilled und...

Embodiment 2

[0064] In order to explore the effect of ageratum extract as a fish feed additive on fish growth, the following experiments were conducted:

[0065] In the first step, the ageratum extract is extracted according to the extraction method of Example 1;

[0066] Step 2: According to the feed formula in Table 2 below, add the 4 kinds of ageratum extracts to the feed raw materials according to the concentration of 0 and 2g / kg feed and mix them to make pellet feed with a diameter of 2mm.

[0067] Table 2 feed formula

[0068]

[0069]

[0070] 1 It is homemade without any additives.

[0071] 2 Each kilogram of vitamin supplements contains: retinol (500,000IU / g) 0.80g, vitamin D 3 (500,000IU / g) 0.48g, DL-α-tocopherol (50%) 20.00g, vitamin K 3 (23%) 0.43g, Vitamin B 1 (90%) 0.11g, riboflavin (80%) 0.63g, pyridoxine (81%) 0.92g, cyanocobalamin (1%) 0.10g, D-calcium pantothenate (90%) 2.73g, niacin (99%) 2.82g, D-biotin (2%) 5.00g, inositol (99%) 52.33g and folic acid (96%)...

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Abstract

The present invention discloses an ageratum conyzoides extract, an application in a fish feed, the fish feed and a preparation method thereof, and solves problems that existing ageratum conyzoides isan easily rampant plant, only serves as an anti-oxidation Chinese herbal medicine for application, is not developed for other applications, causes use amount limits, and is still used as weeds in a large number. The ageratum conyzoides extract is applied in the fish feed and used as a growth promoting agent, can improve activity of intestinal lipase and amylase, has an optimal addition amount of 0.38-0.4%, and has advantages of opening other application directions for the ageratum conyzoides, being good in promoting growth of fish by adding into the fish feed, improving food intake and feed efficiency, etc.

Description

technical field [0001] The invention relates to the technical field of fish feed, in particular to ageratum extract and application thereof, fish feed and a preparation method thereof. Background technique [0002] Ageratum conyzoides L. is an annual herb of the genus Ageratum conyzoides in the Asteraceae family. It was introduced into my country through artificial introduction and has been widely distributed in South China and Southwest my country. Ageratum is prone to overgrowth, and often forms a single or co-optimal community in the invaded area, inhibiting the growth of other plants in the invaded area, causing serious consequences such as crop yield reduction, and is listed as a regional malignant weed. But on the other hand, ageratum has traditional medicinal value in our country and many countries in the world, and most of them are root or whole herb medicine. Modern pharmaceutical research results show that ageratum has a variety of pharmacological activities; its ...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/30A23K10/22A23K10/37A23K20/158A23K20/174A23K20/20A23K20/22
CPCA23K50/80A23K10/30A23K10/22A23K10/37A23K20/158A23K20/174A23K20/30A23K20/22Y02A40/818Y02P60/87
Inventor 李华涛刘思妙冯敏吴敏贺思佩董婷婷梁棋廖江龙
Owner NEIJIANG NORMAL UNIV
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