Preparation method of hippophae rhamnoides branch and trunk feed
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The technology of sea buckthorn and branches is applied in the field of preparation of sea buckthorn branch and dry feed, and achieves the effects of improving the yield of enzymatic hydrolysis and saccharification and improving the feeding value.
Active Publication Date: 2020-11-10
SOUTH CHINA AGRI UNIV
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Problems solved by technology
But so far, the application of combined steam explosion processing and calcium oxide alkalization technology in feed processing has not been reported.
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Embodiment 1
[0026] Example 1: Effects of different combinations of processing parameters on the physical and chemical properties of steam-exploded seabuckthorn branches
[0027] (1) Preparation of pulverized seabuckthorn branches:
[0028] The whole plant of Hippophae rhamnoides is air-dried naturally (about 90% dry matter content), branches and leaves are separated and removed, and then the branches and trunks of Hippophae rhamnoides are crushed through a 2cm sieve with a T-420 wood grinder (Guangzhou Minfeng Agricultural Machinery Co., Ltd.). The pulverized branches of seabuckthorn (dry matter content 90.05%) were obtained.
[0029] (2) Steam explosion processing of seabuckthorn branches:
[0030] Use a special steam explosion device (BL-08 laboratory mobile blaster independently designed by the State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, two tanks in parallel, each volume 5L, maximum pressure 4.0MPa) to step (1 ) obtained pulverized seabu...
Embodiment 2
[0039] Example 2: Effects of different calcium oxide addition levels on storage characteristics of steam-exploded seabuckthorn branches
[0040] (1) Steam explosion processing of seabuckthorn branches:
[0041] The seabuckthorn branch (dry matter content 90.05%) that will be pulverized according to the preparation in embodiment 1 step (1) is dropped in the steam explosion device, with optimum steam explosion processing parameter (pressure 1.5MPa, holding time 20min, without pre-treatment Soaked without additives) for steam explosion processing to obtain steam-exploded seabuckthorn branches.
[0042] (2) Alkalization of steam-exploded seabuckthorn branches:
[0043] Add water to adjust the moisture content of steam-exploded seabuckthorn branches to 65% (close to saturation), then add calcium oxide according to different mass ratios (0, 2%, 4%) of the total mass of the wet material, stir evenly, and finally pack it into a bag, compact and seal it , stored at room temperature for...
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Abstract
The invention discloses a preparation method of hippophae rhamnoides branch and trunk feed. The method comprises the following steps of: a, crushing hippophae rhamnoides branches and trunks: airing hippophae rhamnoides, removing leaves, and then crushing and sieving the hippophae rhamnoides branches and trunks to obtain crushed hippophae rhamnoides branches and trunks; b, performing steam explosion: filling a steam explosion device with the crushed hippophae rhamnoides branches and trunks, and performing steam explosion treatment to obtain steam-exploded hippophae rhamnoides branches and trunks; and c, performing calcium oxide alkalization: adjusting the water content of the steam-exploded hippophae rhamnoides branches and trunks to be proper, then adding calcium oxide, performing uniformmixing, and performing compacting, sealing and storing. The method is mainly suitable for feed processing and storage of fibrous raw materials such as the hippophae rhamnoides branches and trunks. Thehippophae rhamnoides branch and trunk feed processed by the method is soft in texture, the enzymolysis digestibility and the saccharification yield are greatly improved, the hippophae rhamnoides branch and trunk feed is also weakly alkaline high-calcium feed, and the method realizes integration of feed utilization, processing and storage of high-lignocellulose raw materials, and is green and economical.
Description
technical field [0001] The invention belongs to the technical field of feed processing, and in particular relates to a preparation method of seabuckthorn branch feed. Background technique [0002] Seabuckthorn is widely used as a tree species for ecological restoration and desert greening because of its strong stress resistance, drought tolerance, and salt-alkali tolerance. Seabuckthorn is widely distributed, and the aboveground part has a large biomass. The "waste" produced by regular stubble and rejuvenation is huge, which urgently needs to be properly disposed of. At the same time, the shortage of forage resources is an important factor restricting the efficient and sustainable development of modern animal husbandry. The processing and utilization of seabuckthorn branches as feed will be an important measure of "turning waste into treasure". [0003] Seabuckthorn branches have a high degree of lignification, with a lignin content of more than 20% and a total lignocellulo...
Claims
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