Pineapple-flavored fermented bamboo shoot superfine powder and preparation method thereof

A technology of ultrafine powder and ultrafine pulverization, which is applied in the direction of food ingredients as odor improvers, food science, etc., and can solve problems such as the influence of raw material processing and utilization, sensory characteristics, water and oil retention, swelling capacity, adsorption performance, and composition changes. , to achieve good practical value and application prospects, pleasant fragrance, relieve bitterness and astringency

Inactive Publication Date: 2016-12-21
AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the physical and chemical properties and processing characteristics of the raw materials after ultrafine grinding may also change to a certain extent, an...

Method used

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Examples

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preparation example Construction

[0026] The invention provides a method for preparing superfine powder of fermented bamboo shoots with pineapple flavor, comprising the following steps:

[0027] 1) coarse crushing: select fresh bamboo shoots, clean them, dry them, slice them, and carry out coarse crushing to obtain bamboo shoots coarse powder;

[0028] 2) Enzymolysis: mix pineapple scraps and bamboo shoot powder at a ratio of 0.5-1:1, add cellulase and hemicellulase, and add 0.5-2 times the volume of water for enzymolysis to obtain a slurry;

[0029] 3) Sterilization: add skim milk powder with a weight of 0.5-2% of the slurry, mix evenly, and sterilize with high-pressure steam at 120°C to obtain a sterilized material;

[0030] 4) Fermentation: add Streptococcus thermophilus or Bulgaricus bacteria to the above-mentioned sterilized material for fermentation, centrifuge, and dry at a constant temperature of 55-65°C after preliminary microwave drying to obtain the fermented material;

[0031] In this step, the pi...

Embodiment 1

[0036] A method for preparing superfine powder of fermented bamboo shoots with pineapple flavor, comprising the following steps:

[0037] 1) Coarse crushing: select fresh bamboo shoots that are not rotten and in good shape, clean them, cut them into small pieces with a slicer after drying, and then coarsely crush them with an ordinary crusher to obtain coarse bamboo shoot powder;

[0038] 2) Enzymolysis: Mix pineapple scraps and bamboo shoot powder at a ratio of 0.5:1, add 55 μ / g cellulase and 55 μ / g hemicellulase, and add pure water, enzymatically hydrolyzed and swelled for 1 hour to obtain a slurry;

[0039] 3) Sterilization: Add skimmed milk powder with 1% of the weight of the slurry, mix well, and sterilize with high-pressure steam at 120°C for 20 minutes to obtain a sterilized material;

[0040] 4) Fermentation: add Bulgaricus bacterium to the above-mentioned sterilized material under aseptic conditions and ferment for 24 hours at 35°C, centrifuge, treat for 30min under ...

Embodiment 2

[0043] A method for preparing superfine powder of fermented bamboo shoots with pineapple flavor, comprising the following steps:

[0044] 1) Coarse crushing: select fresh bamboo shoots that are not rotten and in good shape, clean them, cut them into small pieces with a slicer after drying, and then coarsely crush them with an ordinary crusher to obtain coarse bamboo shoot powder;

[0045] 2) Enzymolysis: Mix pineapple scraps and bamboo shoot powder at a ratio of 1:1, add 30 μ / g cellulase and 60 μ / g hemicellulase, and add pure water, enzymatic hydrolysis and swelling for 2 hours to obtain a slurry;

[0046] 3) Sterilization: Add skimmed milk powder with 1% of the weight of the slurry, mix well, and sterilize with high-pressure steam at 120°C for 20 minutes to obtain a sterilized material;

[0047] 4) Fermentation: add Streptococcus thermophilus to the above-mentioned sterilized material under aseptic conditions and ferment at 42°C for 20 hours, centrifuge, treat at a microwave...

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Abstract

The invention discloses pineapple-flavored fermented bamboo shoot superfine powder and a preparation method thereof. The preparation method comprises the following steps of 1 coarse grinding; 2 enzymolysis, wherein pineapple scraps and bamboo shoot coarse powder are mixed according to the proportion of (0.5-1):1, cellulase and hemicellulase are added, water with 0.5-2 times of volume is added for enzymolysis, and slurry is obtained; 3 sterilization, wherein 0.5%-2% of skim milk powder is added, and sterilization treatment is conducted with high pressure steam; 4 fermentation, wherein streptococcus thermophilus or lactobacillus Bulgaricus is introduced for fermentation, centrifugation is conducted, preliminary drying is conducted through microwave, constant temperature drying is conducted at 55-65 DEG C, and a fermented material is obtained; 5 superfine grinding, wherein superfine grinding is conducted till the particle size is smaller than 30 micrometers, and the pineapple-flavored fermented bamboo shoot superfine powder is obtained. The bamboo shoot superfine powder prepared through the method has the pineapple flavor and delicious and pleasant fragrance, bitter taste and astringent taste of bamboo shoots can be effectively relieved, and the bamboo shoot superfine powder is rich in dietary fiber of pineapples and the bamboo shoots simultaneously; the pineapple-flavored fermented bamboo shoot superfine powder and the preparation method thereof have better practical value and application prospect.

Description

technical field [0001] The invention relates to a superfine powder of pineapple-flavored fermented bamboo shoots and a preparation method thereof, belonging to the technical field of food processing. Background technique [0002] Dietary fiber is a food nutrient that is generally not easy to digest. It mainly comes from the cell wall of plants, including cellulose, hemicellulose, resin, pectin and lignin. Dietary fiber is essential to a healthy diet. Fiber plays an important role in maintaining a healthy digestive system. Adequate fiber intake can also prevent cardiovascular disease, cancer, diabetes and other diseases. [0003] Bamboo shoots contain a variety of amino acids, vitamins, and minerals, and are high in dietary fiber. They have the reputation of "vegetarian holy food" and are characterized by high fiber, low fat, and balanced nutrients. In addition to edible value, bamboo shoots also have medicinal value. It has been recorded in "Compendium of Materia Medica" th...

Claims

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Application Information

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IPC IPC(8): A23L33/22A23L19/00
CPCA23V2002/00A23V2200/15
Inventor 林丽静黄晓兵龚宵彭芍丹李积华
Owner AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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