CN108378297A - A method of the brown rice deep processing of edible quality can be improved - Google Patents

A method of the brown rice deep processing of edible quality can be improved Download PDF

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Publication number
CN108378297A
CN108378297A CN201810393510.8A CN201810393510A CN108378297A CN 108378297 A CN108378297 A CN 108378297A CN 201810393510 A CN201810393510 A CN 201810393510A CN 108378297 A CN108378297 A CN 108378297A
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China
Prior art keywords
brown rice
germination
edible quality
deep processing
rice
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CN201810393510.8A
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高道叶
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Shou County Anhui Province Green Agricultural Development Co Ltd
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Shou County Anhui Province Green Agricultural Development Co Ltd
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Priority to CN201810393510.8A priority Critical patent/CN108378297A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/152Cereal germ products
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/104Fermentation of farinaceous cereal or cereal material; Addition of enzymes or microorganisms
    • A23L7/107Addition or treatment with enzymes not combined with fermentation with microorganisms
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses a kind of method for the brown rice deep processing that edible quality can be improved, the present invention improves the humidity in germination tank using cold water steam, to improve utilization rate of the ozone in sterilization functions;Compared with traditional immersion process, the present invention using cycle humidification new process, be conducive to brown rice sprout andγThe enrichment of aminobutyric acid, to solve the problems, such as that traditional soaking technology produces that sprouted unpolished rice process percent cracked rice is excessively high, edible quality is poor;Suitably microwave desiccation homogeneity can be improved in ventilation in microwave drying process, it solves the problems, such as to cause uniform drying difference to lead to unstable product quality because of field distribution, and the bioactivity that brown rice can also be reduced using microwave drying can both solve the problems, such as brown rice long-term storage, the edible quality of brown rice deep processed product is improved again, and it is high using germination percentage after compound enzyme pretreatment before brown rice germination activation, speed of germination is fast.

Description

A method of the brown rice deep processing of edible quality can be improved
Technical field
The present invention relates to technical field of food deep processing, and in particular to a kind of brown rice deep processing that edible quality can be improved Method.
Background technology
China is the world's largest paddy production and consumption state, and rice is our traditional staple food, nutrition and food flavor product Matter is with a very important position in diet.Traditional paddy processing method is first husking, removes the rice husk for accounting for about paddy weight 1/5, Obtain brown rice.Brown rice is that paddy sloughs glume through hulling machine but still retains the grain of rice of this crust, aleurone and plumule.And our days Often the polished rice that is often used eliminates crust, aleurone and plumule in brown rice in life, however the vitamin of cereal and inorganic salts It is mainly distributed among paddy embryo and Mai Pi, only remains a large amount of protein.
Brown rice is directly exposed to outer because being protected without glume rich in nutrition pericarp and interior tissue;Brown rice has had simultaneously Whole embryo, breathing is vigorous, and if stored manner is not suitable for, very easily infested to go mouldy, quality declines rapidly.And due to brown rice lipid content Height easily causes water-disintegrable and oxidisability rancid, leads to brown rice quality deterioration, and it is smelly old rice occur.So the deep processing of brown rice and Storage problem is also improved with people's living standard and is become more and more important.
Sprouted unpolished rice possesses preferable application prospect compared to brown rice, and sprouted unpolished rice contains abundant vitamin, minerals, meals The multiple functions active materials such as nutriments and γ-aminobutyric acid, phytic acid, oryzanol such as fiber are eaten, are a new generations Functional food.γ-aminobutyric acid is a kind of non-protein composition amino acid, is distributed widely in animal and plant body, has to human body There are important physiological function, such as inhibitory neurotransmitter, adjusting blood pressure and improvement angiocarpy.The germination of brown rice can also improve The content of total phenol in brown rice, total phenol include the compounds such as polyphenol and single phenol, are very effective anti-oxidant substance, have to human body Various beneficial physiological actions.
Invention content
It is an object of the invention to provide a kind of methods for the brown rice deep processing that edible quality can be improved, to overcome existing skill The deficiency of art.
The object of the present invention is achieved like this:
A method of the brown rice deep processing of edible quality can be improved, which is characterized in that include the following steps:
(1)Screening, removal of impurities:
Selection current year harvest japonica rice carry out husking obtain brown rice, carried out after sieving it is selected, reject moldy kernel, heterochromatic grain, without embryo Grain and prematurity grain;
(2)Washing and sterilizing:
Brown rice is placed in germination tank, cold water steam is first opened inwards into, so that humidity in the germination tank is reached 60% or more, then lead to Enter ozone closed sterilizing 10-20min;
(3)Recycle humidification process:
Brown rice after washing and sterilizing is pressed into certain single humidification amount(I.e. brown rice moisture content increases percentage)Spraying humidification is carried out, and The interval time sealing of design at a certain temperature is quenched;
(4)Germination activation:
The brown rice for completing cycle humidification process, moisture content is 24% is washed with water and drains, be distributed in porcelain dish and cover gauze It is placed in insulating box and germinates;When the bud of brown rice length reaches 0.5-1mm, terminate germination activation;
(5)It is dried:
By step(4)The middle brown rice for terminating germination activation, which is rapidly transferred to microwave drying oven, which carries out processing, makes the moisture of brown rice be less than 15%;In the microwave drying process, it is passed through suitable air at room temperature.
The step(3)Middle single humidification amount 1.2-1.6%, interval time 45-75min, 30 DEG C of temperature.
The step(3)Middle brown rice has also carried out compound enzyme pretreatment, specific method before carrying out cycle humidification process processing For:Brown rice is placed in enzymolysis device, cold water steam is first opened inwards into, so that humidity in the enzymolysis device is reached 60% or more, then be passed through Ozone closed sterilizing 10-20min, is wrapped up with sterile gauze with solid-liquid ratio 1: 4(g/mL)It is soaked in a concentration of 0.57-0.6g/L Composite enzyme solution in, digest 135min at 35 DEG C;Wherein the complex enzyme is by cellulase: zytase is with mass ratio Be combined at 1.85: 1.
The step(4)The temperature and humidity conditions to germinate in middle insulating box be 30 DEG C, 85%.
The step(5)In be passed through in microwave drying process air at room temperature wind speed be 0.5-1.0m/s.
The present invention has following advantageous effect:The present invention improves the humidity in germination tank using cold water steam, to improve ozone Utilization rate in sterilization functions;Compared with traditional immersion process, the present invention recycles humidification using cycle humidification new process Aerobic conditions sprouted conducive to brown rice, the reduction of stress cracking also contributes to brown rice sprouting, and recycles humidification process and be conducive toγ- The enrichment of aminobutyric acid produces that sprouted unpolished rice process percent cracked rice is excessively high, edible quality is poor to solve traditional soaking technology Problem;Suitably ventilation helps to take away the vapor that moisture evaporation generates in sprouted unpolished rice in microwave drying process, improves drop Water amplitude solves to which microwave desiccation homogeneity can be improved because field distribution causes uniform drying difference to lead to product quality Unstable problem, and the bioactivity that can also reduce using microwave drying brown rice makes the enzymatic activity in brown rice reduce to avoid brown rice Plumule undue growth, thus using the present invention deep working method, can not only solve the problems, such as brown rice long-term storage, but also improve The edible quality of brown rice deep processed product, and high using germination percentage after compound enzyme pretreatment before brown rice germination activation, speed of germination Soon.
Specific implementation mode
A method of the brown rice deep processing of edible quality can be improved, which is characterized in that include the following steps:
(1)Screening, removal of impurities:
Selection current year harvest japonica rice carry out husking obtain brown rice, carried out after sieving it is selected, reject moldy kernel, heterochromatic grain, without embryo Grain and prematurity grain;
(2)Washing and sterilizing:
Brown rice is placed in germination tank, cold water steam is first opened inwards into, so that humidity in the germination tank is reached 60% or more, then lead to Enter ozone closed sterilizing 10-20min;
(3)Recycle humidification process:
Brown rice after washing and sterilizing is pressed into certain single humidification amount(I.e. brown rice moisture content increases percentage)Spraying humidification is carried out, and The interval time sealing of design at a certain temperature is quenched;
(4)Germination activation:
The brown rice for completing cycle humidification process, moisture content is 24% is washed with water and drains, be distributed in porcelain dish and cover gauze It is placed in insulating box and germinates;When the bud of brown rice length reaches 0.5-1mm, terminate germination activation;
(5)It is dried:
By step(4)The middle brown rice for terminating germination activation, which is rapidly transferred to microwave drying oven, which carries out processing, makes the moisture of brown rice be less than 15%;In the microwave drying process, it is passed through suitable air at room temperature.
The step(3)Middle single humidification amount 1.2-1.6%, interval time 45-75min, 30 DEG C of temperature.
The step(3)Middle brown rice has also carried out compound enzyme pretreatment, specific method before carrying out cycle humidification process processing For:Brown rice is placed in enzymolysis device, cold water steam is first opened inwards into, so that humidity in the enzymolysis device is reached 60% or more, then be passed through Ozone closed sterilizing 10-20min, is wrapped up with sterile gauze with solid-liquid ratio 1: 4(g/mL)It is soaked in a concentration of 0.57-0.6g/L Composite enzyme solution in, digest 135min at 35 DEG C;Wherein the complex enzyme is by cellulase: zytase is with mass ratio Be combined at 1.85: 1.
The step(4)The temperature and humidity conditions to germinate in middle insulating box be 30 DEG C, 85%.
The step(5)In be passed through in microwave drying process air at room temperature wind speed be 0.5-1.0m/s.

Claims (5)

1. a kind of method for the brown rice deep processing that edible quality can be improved, which is characterized in that include the following steps:
(1)Screening, removal of impurities:
Selection current year harvest japonica rice carry out husking obtain brown rice, carried out after sieving it is selected, reject moldy kernel, heterochromatic grain, without embryo Grain and prematurity grain;
(2)Washing and sterilizing:
Brown rice is placed in germination tank, cold water steam is first opened inwards into, so that humidity in the germination tank is reached 60% or more, then lead to Enter ozone closed sterilizing 10-20min;
(3)Recycle humidification process:
Brown rice after washing and sterilizing is pressed into certain single humidification amount(I.e. brown rice moisture content increases percentage)Spraying humidification is carried out, and The interval time sealing of design at a certain temperature is quenched;
(4)Germination activation:
The brown rice for completing cycle humidification process, moisture content is 24% is washed with water and drains, be distributed in porcelain dish and cover gauze It is placed in insulating box and germinates;When the bud of brown rice length reaches 0.5-1mm, terminate germination activation;
(5)It is dried:
By step(4)The middle brown rice for terminating germination activation, which is rapidly transferred to microwave drying oven, which carries out processing, makes the moisture of brown rice be less than 15%;In the microwave drying process, it is passed through suitable air at room temperature.
2. a kind of method of brown rice deep processing that edible quality can be improved according to claim 1, which is characterized in that described Step(3)Middle single humidification amount 1.2-1.6%, interval time 45-75min, 30 DEG C of temperature.
3. a kind of method of brown rice deep processing that edible quality can be improved according to claim 1, which is characterized in that described Step(3)Middle brown rice has also carried out compound enzyme pretreatment before carrying out cycle humidification process processing, and specific method is:Brown rice is placed in It digests in device, first opens inwards into cold water steam, humidity in the enzymolysis device is made to reach 60% or more, then be passed through ozone closed sterilizing 10-20min is wrapped up with sterile gauze with solid-liquid ratio 1: 4(g/mL)It is soaked in the composite enzyme solution of a concentration of 0.57-0.6g/L In, digest 135min at 35 DEG C;The wherein described complex enzyme is by cellulase: zytase with mass ratio 1.85: 1 it is compound and At.
4. a kind of method of brown rice deep processing that edible quality can be improved according to claim 1, which is characterized in that described Step(4)The temperature and humidity conditions to germinate in middle insulating box be 30 DEG C, 85%.
5. a kind of method of brown rice deep processing that edible quality can be improved according to claim 1, which is characterized in that described Step(5)In be passed through in microwave drying process air at room temperature wind speed be 0.5-1.0m/s.
CN201810393510.8A 2018-04-27 2018-04-27 A method of the brown rice deep processing of edible quality can be improved Pending CN108378297A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109588637A (en) * 2018-12-06 2019-04-09 东北农业大学 A method of improving dry rear sprouted unpolished rice moderately quick-fried waist yield
CN109619400A (en) * 2018-12-29 2019-04-16 中南林业科技大学 Bake the preparation method of dedicated coarse rice powder
CN113349337A (en) * 2021-06-23 2021-09-07 无锡御糖食品科技有限公司 Germinated brown rice and production method thereof

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JP2002360192A (en) * 2001-06-08 2002-12-17 Fancl Corp Method for producing germinated unpolished rice
CN101380075A (en) * 2008-10-27 2009-03-11 福建农林大学 Production method for germinated brown rice rich in gamma-aminobutyric acid
CN103851880A (en) * 2012-11-30 2014-06-11 北新集团建材股份有限公司 Microwave drying method
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CN105410693A (en) * 2015-12-15 2016-03-23 东北农业大学 Method for improving brown rice germination rate and edible quality through complex enzyme method
CN106616269A (en) * 2016-12-07 2017-05-10 华中农业大学 Production process of unpolished rice enriched with gamma-aminobutyric acid

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JP2002360192A (en) * 2001-06-08 2002-12-17 Fancl Corp Method for producing germinated unpolished rice
CN101380075A (en) * 2008-10-27 2009-03-11 福建农林大学 Production method for germinated brown rice rich in gamma-aminobutyric acid
CN103851880A (en) * 2012-11-30 2014-06-11 北新集团建材股份有限公司 Microwave drying method
CN104872560A (en) * 2015-05-05 2015-09-02 苏州科谷米业有限公司 Production method of brown rice for long-term storage
CN105410693A (en) * 2015-12-15 2016-03-23 东北农业大学 Method for improving brown rice germination rate and edible quality through complex enzyme method
CN106616269A (en) * 2016-12-07 2017-05-10 华中农业大学 Production process of unpolished rice enriched with gamma-aminobutyric acid

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109588637A (en) * 2018-12-06 2019-04-09 东北农业大学 A method of improving dry rear sprouted unpolished rice moderately quick-fried waist yield
CN109588637B (en) * 2018-12-06 2022-04-19 东北农业大学 Method for improving moderate waist-popping yield of dry germinated brown rice
CN109619400A (en) * 2018-12-29 2019-04-16 中南林业科技大学 Bake the preparation method of dedicated coarse rice powder
CN113349337A (en) * 2021-06-23 2021-09-07 无锡御糖食品科技有限公司 Germinated brown rice and production method thereof

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