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Rice flour containing large yellow croaker lecithin and protein and preparation method thereof

A technology of fish lecithin and large yellow croaker, which is applied in the directions of food preparation, function of food ingredients, food ingredients containing oligosaccharides, etc., can solve the problems of discarding and not being fully utilized, and achieve smooth taste and improve human immunity. , the effect of low cholesterol

Active Publication Date: 2015-08-05
NINGDE CITY YUEHAI AQUATIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Large yellow croaker is a seawater aquatic product full of local characteristics, which is deeply loved by people. In addition to being sold fresh, it is mainly used for processing into frozen products and yellow croaker. Large yellow croaker is often discarded as waste during processing and has not been fully utilized

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for preparing rice flour containing large yellow croaker lecithin and protein, comprising the following steps: raw material selection and pretreatment, removal of part of neutral fat, low-temperature drying, aging, ultrasonic vacuum intermittent drying, superfine pulverization, batching, and packaging.

[0019] Specific steps are as follows:

[0020] 1) Raw material selection and pre-treatment: use fresh, milky yellow, and odorless large yellow croaker eggs as raw materials; frozen raw materials need to be thawed before use; remove impurities and mucous membranes covering fish eggs, wash, and pass through a 10-mesh sieve;

[0021] 2) Remove part of the neutral fat: add 50wt.% edible ethanol solution, the weight ratio of fish eggs to edible ethanol solution is 1:5, ultrasonically extract for 8 minutes under the conditions of ultrasonic power 100W, frequency 20kHz, temperature 25°C, filter, The fat content of the obtained large yellow croaker roe is 15%;

[0022...

Embodiment 2

[0030] A method for preparing rice flour containing large yellow croaker lecithin and protein, comprising the following steps: raw material selection and pretreatment, removal of part of neutral fat, low-temperature drying, aging, ultrasonic vacuum intermittent drying, superfine pulverization, batching, and packaging.

[0031] Specific steps are as follows:

[0032] 1) Raw material selection and pre-treatment: use fresh, milky yellow, and odorless large yellow croaker eggs as raw materials; frozen raw materials need to be thawed before use; remove impurities and mucous membranes covering fish eggs, wash, and pass through a 10-mesh sieve;

[0033] 2) Remove part of the neutral fat: add 75wt.% edible ethanol solution, the weight ratio of fish eggs to edible ethanol solution is 1:10, ultrasonically extract for 10min under the conditions of ultrasonic power 150W, frequency 50kHz, temperature 30°C, filter, The obtained large yellow croaker roe has a fat content of 10%;

[0034] 3)...

Embodiment 3

[0042] A method for preparing rice flour containing large yellow croaker lecithin and protein, comprising the following steps: raw material selection and pretreatment, removal of part of neutral fat, low-temperature drying, aging, ultrasonic vacuum intermittent drying, superfine pulverization, batching, and packaging.

[0043] Specific steps are as follows:

[0044] 1) Raw material selection and pre-treatment: use fresh, milky yellow, and odorless large yellow croaker eggs as raw materials; frozen raw materials need to be thawed before use; remove impurities and mucous membranes covering fish eggs, wash, and pass through a 10-mesh sieve;

[0045] 2) Remove part of the neutral fat: Add 60wt.% edible ethanol solution, the weight ratio of fish eggs to edible ethanol solution is 1:8, ultrasonically extract for 9 minutes under the conditions of ultrasonic power 125W, frequency 35kHz, temperature 28°C, filter, Obtaining the fat content of large yellow croaker roe is 12%;

[0046] 3...

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PUM

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Abstract

The invention discloses a preparation method of rice flour containing large yellow croaker lecithin and protein. The preparation method comprises the following steps: selecting and pre-processing raw materials, removing part of neutral fat, performing low-temperature drying, curing, performing ultrasonic vacuum intermittent drying, performing superfine crushing, batching and packaging. Large yellow croaker roes are high in fat; neutral fat, such as part triglyceride, is removed by taking edible alcohol as an extracting solvent to assist with an ultrasonic technology; large yellow croaker lecithin protein which contains phospholipid with high concentration is separated; meanwhile, part of fishlike smell of the roes can be removed by edible alcohol; the activity of the phospholipid of the large yellow croaker roes is kept well by drying at normal temperature by adopting an ultrasonic vacuum intermittent drying technology; nutrition-enhanced rice flour which is rich in phospholipid, the protein, DHA and EPA is obtained by adding bifidobacteria with the function of helping intestinal regulation and compounding the rice flour, fructo-oligosaccharide, vitamins and sodium ascorbate.

Description

technical field [0001] The invention belongs to the technical field of food and its processing, and relates to a method for processing aquatic products, in particular to a method for preparing rice flour containing large yellow croaker lecithin and protein. Background technique [0002] Large yellow croaker eggs (seeds) are rich in protein, lipids, vitamins, minerals, etc. The dry basis contains about 65% protein, about 25% fish oil, and about 60% lipids are phospholipids. Large yellow croaker eggs (seeds) The phospholipids contain five components of PC, PE, PI, SM and LPC, the relative contents of which are PC69.38%, PE4.14%, PI8.52%, SM7.24%, LPC10.72%, which can be used as egg extraction It is the raw material of phospholipids and cephalin, and is rich in n-3 polyunsaturated fatty acids such as DHA and EPA. The sum of EPA and DHA reaches 25.5%. Efficacy, most of the unsaponifiable matter it contains is cholesterol, but the content is only a quarter of that of egg yolk, s...

Claims

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Application Information

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IPC IPC(8): A23L1/10A23L1/302A23L1/015A23L1/328A23L7/10A23L5/20A23L17/30A23L33/15
CPCA23V2002/00A23V2200/02A23V2200/324A23V2250/70A23V2250/712A23V2250/28A23V2250/032
Inventor 罗联钰梁鹏刘冰清石晓明
Owner NINGDE CITY YUEHAI AQUATIC PROD
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