CN102488083A - Paulownia leaf extract feed additive - Google Patents
Paulownia leaf extract feed additive Download PDFInfo
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- CN102488083A CN102488083A CN2011103917659A CN201110391765A CN102488083A CN 102488083 A CN102488083 A CN 102488083A CN 2011103917659 A CN2011103917659 A CN 2011103917659A CN 201110391765 A CN201110391765 A CN 201110391765A CN 102488083 A CN102488083 A CN 102488083A
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- extract
- paulownia
- paulownia leaves
- leaf extract
- feed additive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention relates to a Paulownia leaf extract feed additive, which is prepared by the following specific method: drying Paulownia leaves, crushing, sieving through a sieve of 5-20 meshes, immersing for 1h by adding water which accounts for 8-12 times of the weight of the Paulownia leaves, extracting for 1-2 h, filtering, adding water which accounts for 4-6 times of the weight of Paulownia leaves, boiling, extracting for 1-2h, filtering, merging two extracts, mixing, condensing into an extract with its relative density being 1.10-1.20, and carrying out mist-jet machining on the Paulownia leaf extract into a Paulownia leaf extract dry powder by a spray drier, and uniformly mixing the Paulownia leaf extract dry powder with one or more carriers selected from the group consisting of silica, calcium carbonate, rice husk powder and mountain flour according to a certain ratio to prepare the feed additive. Technological conditions of the spray drying process are as follows: inlet air temperature is 170-190 DEG C; air-out temperature is 80-90 DEG C; and inlet air pressure is 40 MPa. The water content of the Paulownia leaf extract powder is less than or equal to 5%.
Description
Technical field:
The present invention relates to a kind of paulownia leaves extract feed additive, belong to field of feed additive technology.
Background technology:
Antibiotics or chemical classes feed addictive have many effects such as the growth of animal of promotion, prevention Animal diseases, raising culture benefit; But also caused simultaneously serious negative effect, the environmental pollution that causes such as the reduction of the resistance to the action of a drug of pathogenic microorganism, animal autoimmunity, human health damage that medicament residue causes and excreta etc.Along with becoming increasingly conspicuous of food-safety problem, the natural feed addictive of seeking a kind of pollution-free noresidue has become the task of top priority of feed industrial development.
Paulownia leaves is the leaf of goatweed paulownia or royal paulownia, and bitter is cold in nature.Mainly contain Aucubin (aucubin); Paulownioside (paulownioside), Verbascoside (verbascoside), different Verbascoside (isoverbascoside); Ursolic acid (ursolic acid), compositions such as acetyl ursolic acid (acetylursolicacid) α, β.Wherein ursolic acid is one of active ingredient of paulownia leaves, and significantly stable and cooling effect are arranged, and the effect of enhancing body immunocompetence is arranged; Simultaneously, the ether of paulownia leaves, ethanol and propyl alcohol extract all have antibacterial activity, and it is wider, cheap to add paulownia leaves source, thereby paulownia leaves can be used as feed addictive and is used for livestock-raising.
Because the intensification and the scale of current aquaculture, directly with the coarse crushing thing of paulownia leaves or paulownia leaves make an addition to exist in the feed use amount big, stir inhomogeneously, increase problems such as human input, make paulownia leaves be restricted applying of scale raising.
Summary of the invention:
The objective of the invention is to the defective to above-mentioned existence, propose a kind of preparation method of paulownia leaves extract feed additive, this product has the active constituent content height, use amount is little, is easy to advantages such as storage, transportation, has adapted to the needs of large-scale cultivation.
Main technique is following:
1,5～20 mesh sieves are crossed in the paulownia leaves pulverizing back after clean dry, add the water logging bubble 1h of 8～12 times of paulownia leaves weight, boil, extraction 1～2h filters, and adds the water of 4～6 times of amounts again, boils, and extracts 1～2h, filters; Merge extracted twice liquid, mixing is condensed into relative density and is 1.10～1.20 medicinal extract.
2, paulownia leaves extract dry powder is processed in the spray-dried tower spraying of paulownia leaves extract medicinal extract.Spray-dired process conditions are: 170～190 ℃ of EATs, 80～90 ℃ of leaving air temps, air intake pressure are 40Mpa.Paulownia leaves extract dry powder moisture≤5% that obtains.
3, after being mixed, in paulownia leaves extract dry powder and appropriate carriers such as silica, calcium carbonate, rice husk powder, the stone flour one or more make feed addictive.
Paulownia leaves feed addictive of the present invention has following remarkable efficacy: (1) growth promotion, improve food conversion ratio; (2) enhance immune power is effectively prevented animal alimentary canal diseases; (3) pure Chinese medicinal preparation does not contain any antibiotic and chemical synthetic drug, and is safe and harmless.
The practical implementation method:
Below be embodiments of the invention, the actual use of the present invention is not limited to embodiment.
Embodiment 1:
Accurately take by weighing the paulownia leaves after the 100kg clean dry, pulverize the back and cross 5～20 mesh sieves, add the water logging bubble 1h of 800kg, boil, extract 1.5h, filter, add the water of 400kg again, boil, extract 1h, filter; Merge extracted twice liquid, mixing is condensed into relative density and is 1.10 medicinal extract.Paulownia leaves extract dry powder is processed in the spray-dried tower spraying of paulownia leaves extract medicinal extract.Spray-dired process conditions are: 170 ℃ of tower EATs, 80 ℃ of leaving air temps, air intake pressure are 40Mpa.The paulownia leaves extract dry powder moisture that obtains is 2.62%.Then paulownia leaves extract dry powder is mixed according to 1: 5 ratio with rice husk powder, make the paulownia leaves extract feed additive.
The paulownia leaves extract feed additive that said method is made in pig farm, Longyan, Fujian uses according to the consumption that mixed feed per ton adds 1000g.240 of batch growing and fattening pigs that the same body weight build is close are chosen in experiment altogether; Wherein test group and control group are each 120; Add the conventional antibiotic feed additive (control group) that uses of paulownia leaves extract feed additive (test group) and pig farm in the present embodiment respectively, 90 days experimental periods.Result of the test is as shown in the table:
The result shows; Test group is that the only average daily weightening finish of the pig of paulownia leaves extract feed additive group has increased 49g than control group, and the material anharmonic ratio is also low by 0.26 than control group, has improved feed conversion rate; A test group pig survival rate reaches 100%; The phenomena of mortality do not occur, and the control group death toll is 1, survival rate is not as good as test group.
Embodiment 2:
Accurately take by weighing paulownia leaves after the 100kg clean dry and pulverize the back and cross 5～20 mesh sieves, add the water logging bubble 1h of 1000kg, boil, extract 2h, filter, add the water of 500kg again, boil, extract 1h, filter; Merge extracted twice liquid, mixing is condensed into relative density and is 1.15 medicinal extract.Paulownia leaves extract dry powder is processed in the spray-dried tower spraying of paulownia leaves extract medicinal extract.Spray-dired process conditions are: 180 ℃ of EATs, 85 ℃ of leaving air temps, air intake pressure are 40Mpa.The paulownia leaves extract dry powder moisture that obtains is 2.81%.Again paulownia leaves extract dry powder is mixed according to 1: 4 ratio with silica, make the paulownia leaves extract feed additive.
The paulownia leaves extract feed additive that said method is made in pig farm, Qingdao, Shandong uses according to the consumption that mixed feed per ton adds 1000g.200 of the close child care pigs of batch same body weight build are chosen in experiment altogether; Wherein test group and control group are each 100; Add the conventional antibiotic feed additive (control group) that uses of paulownia leaves feed addictive (test group) and pig farm in the present embodiment respectively, 30 days experimental periods.Experimental result is as shown in the table:
The result shows that test group is that the only average daily weightening finish of the pig of paulownia leaves extract feed additive group has increased 27g than control group, and the material anharmonic ratio is also low by 0.22 than control group, dead 2 of test group, and the control group death toll is 6, survival rate is not as good as test group.
Embodiment 3:
Accurately take by weighing paulownia leaves after the 100kg clean dry and pulverize the back and cross 5～20 mesh sieves, add the water logging bubble 1h of 1200kg, boil, extract 1.5h, filter, add the water of 600kg again, boil, extract 1.5h, filter; Merge extracted twice liquid, mixing is condensed into relative density and is 1.20 medicinal extract.Paulownia leaves extract dry powder is processed in the spray-dried tower spraying of paulownia leaves extract medicinal extract.Spray-dired process conditions are: 190 ℃ of tower EATs, and 90 ℃ of leaving air temps, air intake pressure is 40Mpa, the paulownia leaves extract dry powder moisture that obtains is 2.74%.Again paulownia leaves extract dry powder is mixed according to 1: 6 ratio with calcium carbonate, make the paulownia leaves extract feed additive.
The paulownia leaves extract feed additive that said method is made in pig farm, Weifang, Shandong uses according to the consumption that mixed feed per ton adds 1000g.300 of batch growing and fattening pigs that the same body weight build is close are chosen in experiment altogether; Wherein test group and control group are each 150; Add the conventional antibiotic feed additive (control group) that uses of paulownia leaves feed addictive (test group) and pig farm in the present embodiment respectively, 90 days experimental periods.Result of the test is as shown in the table:
The result shows that test group is that the only average daily weightening finish of the pig of paulownia leaves extract feed additive group has increased 60g than control group, and the material anharmonic ratio is also low by 0.24 than control group, dead 1 of test group, and the control group death toll is 3, survival rate is not as good as test group.Drug cost aspect control group is Duoed 7.2 yuan than every of test group.The paulownia leaves extract feed additive that this shows this invention has good growth promotion effect, is embodied in respectively and improves food conversion ratio, and reduces death rate, three aspects of enhance immune power.
Claims (4)
1. a paulownia leaves preparation method of extract comprises the preparation of paulownia leaves extract medicinal extract, the spray-drying and and the composite content that makes three aspects of feed addictive of auxiliary material of paulownia leaves extract.
2. according to claim 1, paulownia leaves extract extract making method is: dried paulownia leaves is crossed 5～20 mesh sieves after crushed, adds the water logging bubble 1h of 8～12 times of paulownia leaves weight, boils; Extract 1-2h, filter, add the water of 4～6 times of amounts again; Boil, extract 1～2h, filter; Merge extracted twice liquid, mixing is condensed into relative density and is 1.10～1.20 medicinal extract.
3. according to claim 1, the spray-dired process conditions of paulownia leaves extract are: 170～190 ℃ of EATs, and 80～90 ℃ of leaving air temps, air intake pressure is 40Mpa, paulownia leaves extract dry powder moisture≤5% that makes.
4. according to claim 1 and the composite feed addictive that makes of auxiliary material are specially and make feed addictive after in paulownia leaves extract dry powder that spray-drying is made and carrier such as silica, calcium carbonate, rice husk powder, the stone flour one or more mix by a certain percentage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103917659A CN102488083A (en) | 2011-12-01 | 2011-12-01 | Paulownia leaf extract feed additive |
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| CN2011103917659A CN102488083A (en) | 2011-12-01 | 2011-12-01 | Paulownia leaf extract feed additive |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284001A (en) * | 2013-05-31 | 2013-09-11 | 张艺琳 | Layer feed additive |
| CN103636977A (en) * | 2013-11-27 | 2014-03-19 | 镇江天和生物技术有限公司 | Green feed premix for promoting pig growth |
| CN104304794A (en) * | 2014-10-28 | 2015-01-28 | 广西博白扬翔宝中宝饲料有限责任公司 | Big pig feed |
| CN106071236A (en) * | 2016-06-26 | 2016-11-09 | 镇江天和生物技术有限公司 | One broad sow Chinese medicine microorganism compound premix |
| CN108570114A (en) * | 2017-11-29 | 2018-09-25 | 江苏农牧科技职业学院 | A kind of preparation and application of fortune paulownia flower polysaccharide Chinese traditional immunopoteniators |
| CN115128200A (en) * | 2022-07-26 | 2022-09-30 | 吉首大学 | HPLC (high Performance liquid chromatography) quality detection method for paulownia leaves |
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| CN101385506A (en) * | 2008-10-24 | 2009-03-18 | 镇江天和生物技术有限公司 | Special feed supplement for laying cycle of laying hens and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103284001A (en) * | 2013-05-31 | 2013-09-11 | 张艺琳 | Layer feed additive |
| CN103636977A (en) * | 2013-11-27 | 2014-03-19 | 镇江天和生物技术有限公司 | Green feed premix for promoting pig growth |
| CN104304794A (en) * | 2014-10-28 | 2015-01-28 | 广西博白扬翔宝中宝饲料有限责任公司 | Big pig feed |
| CN106071236A (en) * | 2016-06-26 | 2016-11-09 | 镇江天和生物技术有限公司 | One broad sow Chinese medicine microorganism compound premix |
| CN108570114A (en) * | 2017-11-29 | 2018-09-25 | 江苏农牧科技职业学院 | A kind of preparation and application of fortune paulownia flower polysaccharide Chinese traditional immunopoteniators |
| CN115128200A (en) * | 2022-07-26 | 2022-09-30 | 吉首大学 | HPLC (high Performance liquid chromatography) quality detection method for paulownia leaves |
| CN115128200B (en) * | 2022-07-26 | 2024-01-19 | 吉首大学 | HPLC quality detection method for paulownia tomentosa leaves |
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Application publication date: 20120613 |