Natural product feed additive from bamboo

A feed additive and natural product technology, applied in animal feed, animal feed, application, etc., can solve problems such as food quality decline, immune function reduction, animal product safety concerns, etc., and achieve the effect of preventing oxidation and extending shelf life

Active Publication Date: 2013-05-01
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the intensification of my country's poultry, livestock, and aquaculture industries and the frequent occurrence of diseases, chemicals represented by antibiotics, synthetic drugs, and steroid hormones are generally used in the feed industry. production efficiency, but also brought many negative effects, such as m

Method used

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  • Natural product feed additive from bamboo
  • Natural product feed additive from bamboo
  • Natural product feed additive from bamboo

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Embodiment 1, a kind of feed additive derived from bamboo, carries out following steps successively:

[0080] 1) Take the dried green leaves of moso bamboo (moisture content ≤ 14%) collected in autumn and winter and crush them to about 10 meshes, add 500 L of pure water to each 50 kg and heat reflux to extract for 1.5 h, and vacuum concentrate the obtained filtrate after filtration (vacuum degree 0.09 Mpa, temperature ≤55 ℃) to a solid content of about 25% (mass %), spray drying (inlet air temperature 185 ℃, outlet air temperature 90 ℃), to obtain 4.1 kg of bamboo leaf extract (brown yellow powder, total phenol content 29.02%, polysaccharide content 8.21%).

[0081] 2) Take the by-products of boiled canned bamboo shoots processing - bamboo shoot shell and bamboo shoot head dry powder (about 30 mesh, moisture content ≤ 12%, the dry weight ratio of bamboo shoot shell and bamboo shoot head is 1:1.5), add 500 ml of pure water for every 50 kg L heat reflux extraction for 2 ...

Embodiment 2

[0090] According to the dry basis mass ratio, take 3 parts of dry green leaves (moisture content ≤ 14%), bamboo shoot shell and bamboo shoot head dry powder (moisture content ≤ 12%, and the dry weight ratio of bamboo shoot shell and bamboo shoot head is 1:1.5) Mix 2 parts with 1 part of bamboo shaving powder (moisture content ≤ 10%), add 500 L of 30% (v / v) ethanol-water solution per 50 kg, heat reflux extraction for 2 h, and vacuum concentrate the filtrate to the solid content At about 30%, after vacuum drying (vacuum degree 0.09 Mpa, temperature ≤ 65 ℃), 4.3 kg of the feed additive of the present invention (brown yellow powder, total phenol content 23.28%, polysaccharide content 12.13%, triterpene content 6.24% ). Record as recipe 6 # .

[0091] Experiment 1

[0092]The present invention will feed additive formula 1 in embodiment 1 # For high quality broiler farming.

[0093] 1. Experimental design

[0094] Shiqi bearded chicken (a yellow-feathered broiler chicken bred ...

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Abstract

The invention discloses a natural product feed additive from a bamboo, which comprises the following components in part by weight: 1-4 parts of bamboo leaf extract, 1-2 parts of bamboo extract and 1-2 parts of bamboo shaving extract or is prepared by adopting the following steps: mixing the 1-4 parts of bamboo leaf extract, the 1-2 parts of bamboo extract and the 1-2 parts of bamboo shaving extract according to the dry mass ratio to obtain a bamboo mixture; and extracting the bamboo mixture, wherein an obtained extract is the feed additive. The feed additive is a yellow, brown or light yellow power or particle preparation, has the bamboo fragrance and has a total phenolic content of 8-30 percent, a polysaccharide content of 5-15 percent and a triterpene content of 3-10 percent. The feed additive has multiple functions of an antioxidant, a nutrition enhancer, an immunopotentiator, a lipid metabolism regulator, an animal product quality improver, a flavoring agent, a preservative, a feed attractant and the like.

Description

technical field [0001] The invention relates to a natural feed additive derived from bamboo, which belongs to the technical field of animal feed and breeding. Background technique [0002] my country's feed industry started in the 1870s, and by 2011 the feed output had exceeded 150 million tons. With the intensification of my country's poultry, livestock, and aquaculture industries and the frequent occurrence of diseases, chemicals represented by antibiotics, synthetic drugs, and steroid hormones are generally used in the feed industry. production efficiency, but it also brings many negative effects, such as making the breeding objects resistant to drugs, leading to a decrease in their immune function, and a significant decline in food quality. At the same time, a large number of residues of antibiotics, hormones and chemical drugs in products threaten human health and cause global concerns about the safety of animal products. As people's concepts of "returning to nature", ...

Claims

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Application Information

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IPC IPC(8): A23K1/14A23K1/16
Inventor 张英黄骆镰吴晓琴李栋姜文进
Owner ZHEJIANG UNIV
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