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Nutrition enhancer for producing DHA-ARA eggs applicable to infants and young children and application thereof

A nutrient enhancer and nutrient fortified technology, applied in applications, animal feed, additional food elements, etc., can solve problems such as incomplete digestion and absorption of nutrients, waste of feed, short digestive tract, etc., to promote neurological and visual development, reduce Economic burden, effect of increasing enrichment ratio

Active Publication Date: 2019-03-01
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The digestive tract of chickens not only has no corresponding enzymes, but also has a short digestive tract and a small volume, and the feed passes through the digestive tract at a faster speed. Generally, the feed is excreted 4 hours after ingestion, and the indigestible part is excreted within 24 hours, which is harmful to the digestion of nutrients. incomplete absorption
Therefore, cellulose is difficult to be digested and absorbed in the chicken body, which affects the absorption and transformation of other nutrients in the feed, thereby reducing the absorption efficiency of nutrient-enhanced feed, affecting the use effect of the enhanced feed, and causing waste of feed

Method used

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  • Nutrition enhancer for producing DHA-ARA eggs applicable to infants and young children and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Preparation of nutrition enhancer:

[0021] The nutritional fortifier for producing DHA-ARA eggs suitable for infants consists of the following components in parts by weight: 10 parts by weight of DHA microalgae dry powder, 40 parts by weight of ARA microalgae dry powder and 50 parts by weight of Clostridium thermocellum dry powder.

[0022] The DHA microalgae dry powder is Schizochytrium dry powder, and the ARA microalgae dry powder is Mortierella dry powder. Described Clostridium thermocellum dry powder is prepared by the following method:

[0023] a. prepare expansion medium 1000L, concrete proportioning is (by weight fraction): corncob powder 10%, yeast extract powder 1%, urea 1%, sodium sulfide 0.1%, potassium dihydrogen phosphate 0.7%, balance for water.

[0024] b. Inoculate 10 L of active Clostridium thermocellum bacteria liquid into the expansion culture medium, and culture it for 15 days under the conditions of 60° C. and an oxygen concentration of less...

Embodiment 2

[0031] Embodiment 2: Different from Embodiment 1,

[0032] (1) Preparation of nutrition enhancer:

[0033] The nutritional fortifier for producing DHA-ARA eggs suitable for infants consists of the following components in parts by weight: 24 parts by weight of DHA microalgae dry powder, 66 parts by weight of ARA microalgae dry powder and 10 parts by weight of Clostridium thermocellum dry powder.

[0034] Described Clostridium thermocellum dry powder is prepared by the following method:

[0035] a. expansion culture medium 1000L, concrete proportioning is (by weight fraction): corncob powder 15%, yeast extract powder 0.5%, urea 0.5%, sodium sulfide 0.3%, potassium dihydrogen phosphate 1.5%, surplus is water.

[0036] b. Inoculate 10L of live Clostridium thermocellum bacteria liquid into the expansion culture medium, and cultivate it for 12 days under the conditions of 55° C. and an oxygen concentration of less than 100 ppm to obtain the Clostridium thermocellum expansion cult...

Embodiment 3

[0043] Embodiment 3: Different from Embodiment 1,

[0044] (1) Preparation of nutrition enhancer:

[0045] The nutritional fortifier for producing DHA-ARA eggs suitable for infants consists of the following components in parts by weight: 10 parts by weight of DHA microalgae dry powder, 60 parts by weight of ARA microalgae dry powder and 30 parts by weight of Clostridium thermocellum dry powder.

[0046] Described Clostridium thermocellum dry powder is prepared by the following method:

[0047] a. expansion culture medium 1000L, concrete proportioning is (by weight fraction): 12% of corncob powder, 0.5% of yeast extract powder, 0.8% of urea, 0.3% of sodium sulfide, 1.1% of potassium dihydrogen phosphate, and the balance is water.

[0048] b. Inoculate 10L of live Clostridium thermocellum bacteria liquid into the expansion culture medium, and cultivate it for 13 days under the condition of 58 ℃ and oxygen concentration less than 100ppm to obtain the expansion culture liquid o...

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Abstract

The invention provides a nutrition enhancer for producing DHA-ARA eggs applicable to infants and young children, and provides a method for preparing a nutrition-enhanced chicken feed by adopting the nutrition enhancer and producing the DHA-ARA eggs applicable to infants and young children by adopting the nutrition-enhanced chicken feed. The nutrition enhancer is composed of the following components by weight: 10 to 24 parts by weight of a DHA microalgae dry powder, 28 to 66 parts by weight of an ARA microalgae dry powder and 10 to 50 parts by weight of a Clostridium thermocellum dry powder. The nutrition enhancer provided by the invention solves the problem of incapability of simultaneously enriching DHA and ARA in eggs, fills the gap of the prior art, and has an important significance ondevelopment of chicken industry; meanwhile, the ratio of DHA to ARA reaches an optimal ratio of 1: 1.5 to 1: 2, so the nutrition enhancer provided by the invention realizes convenient and effective supplementation of DHA and ARA required for nerve and visual development of infants and young children, and has important social significance.

Description

technical field [0001] The invention belongs to the field of feed, and mainly relates to a nutrition enhancer used for producing DHA-ARA eggs suitable for infants; the invention also relates to the use of the nutrition enhancer to prepare nutrition-enhanced feed and the use of the nutrition-enhanced feed to obtain DHA -ARA egg method. Background technique [0002] Docosahexaenoic Acid (DHA) is an essential omega-3 polyunsaturated fatty acid that must be supplemented from the diet. DHA is an important structural lipid component of the central nervous system and retina. Its content is as high as 20% in the human cerebral cortex and about 50% in the eye retina. It is an essential nutrient for the development of the nerves and vision of fetuses and infants. The World Health Organization recommends that the supplementary amount of infants and young children is 20mg DHA / Kg / d, and premature infants should be supplemented with 40mg DHA per kilogram of body weight per day. As the m...

Claims

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Application Information

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IPC IPC(8): A01K67/02A23K10/18A23K10/30A23K20/105A23K20/22A23K20/26A23K50/75
CPCA01K67/02A23K10/18A23K10/30A23K20/105A23K20/22A23K20/26A23K50/75
Inventor 崔球初欢欢宋晓金刘亚君张慧丹
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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