CN109699892A - A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain - Google Patents

A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain Download PDF

Info

Publication number
CN109699892A
CN109699892A CN201910117101.XA CN201910117101A CN109699892A CN 109699892 A CN109699892 A CN 109699892A CN 201910117101 A CN201910117101 A CN 201910117101A CN 109699892 A CN109699892 A CN 109699892A
Authority
CN
China
Prior art keywords
vacuum
niblet
oil bath
low temperature
degree
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910117101.XA
Other languages
Chinese (zh)
Inventor
刘景圣
吴玉柱
许秀颖
赵城彬
郑明珠
张大力
张�浩
修琳
蔡丹
刘回民
曹勇
刘美宏
李妍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Agricultural University
Original Assignee
Jilin Agricultural University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin Agricultural University filed Critical Jilin Agricultural University
Priority to CN201910117101.XA priority Critical patent/CN109699892A/en
Publication of CN109699892A publication Critical patent/CN109699892A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paper (AREA)

Abstract

The invention discloses a kind of methods that vacuum and low temperature oil bath is dehydrated processing sweet-waxy maizes grain, it include: a kind of method of 1, vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, it is characterized in that, successively being carried out to the sweet-waxy maizes grain: obtaining finished product after high pressure curing, ultrasonic immersing, freeze setting, vacuum and low temperature oil bath dehydration, centrifugation de-oiling;Wherein, the high pressure maturation stage are as follows: it is 90~100 DEG C that water temperature is kept in the case where pressure is 111.45~131.72kPa, in steamer, and digestion time is 1~2min, and niblet gelatinization degree is made to reach 88~93%;The ultrasonic immersing step are as follows: the niblet after gelatinization is put into the maltose that pol is 20~25 degree, in the case where supersonic frequency is 30~40kHz, impregnates 3~6h;The vacuum and low temperature oil bath dehydration are as follows: the niblet of deep colling is put into vacuum kettle, setting vacuum degree is 0.09~0.1Mpa, and oil temperature is 105~115 DEG C, carries out vacuum oil bath dehydration, and the time is 40~50min, and the moisture content of niblet is made to reach 4.5~6%.This method can be improved niblet processing quality and processing efficiency.

Description

A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain
Technical field
The present invention relates to a kind of methods that vacuum and low temperature oil bath is dehydrated processing sweet-waxy maizes grain, belong to food processing field.
Background technique
Fresh edible maize mainly includes corn and waxy corn.World's planting of sweet corn is mainly distributed on the U.S. plus takes at present Greatly, the ground such as Europe, Japan, China's Mainland and Taiwan, there are about 133.33 ten thousand hm for the gross area2, China's corn annual planting area is about There are 33.33 ten thousand hm2, account for the 21% of the world, and be mainly distributed on the provinces such as Xinjiang of China, the Inner Mongol, Jilin, Sichuan, Yunnan, city, The waxy corn cultivated area in state has reached 66.67 ten thousand hm2More than.Fresh edible maize because full of nutrition, flavor and palatability are unique, So pole by consumer approval and like.Simultaneously as fresh edible maize have it is with short production cycle, the market price is high, plantation The features such as economic benefits comparison is high makes China's fresh edible maize production and consumption market development be exceedingly fast.In recent years, fresh edible maize produces In crop mix, grain production capacity, agricultural industrialization process, agricultural benefit and farmers' income, improve people's dietary structure Etc. played an important role.Fresh edible maize production has become the new highlight of green agriculture development.
When existing fresh edible maize is processed, it is more, internal to will appear bubble, disintegrating slag in vacuum and low temperature oil bath treatment process Phenomena such as empty serious, frangible and individual difference paresthesia is obvious, the pickling efficiency of product is low in process, and mouthfeel is not after processing It is good, keep the nutrient loss of product serious.
Therefore productive maintenance nutrition, sweet mouthfeel, full appearance, golden yellow color, long shelf-life, moisture content and oil content are low Sweet-waxy maizes grain have vast potential for future development.
Summary of the invention
A kind of method that the present invention has designed and developed vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, can overcome processing Occur bubble, disintegrating slag and the phenomenon obvious there are individual difference in the process, improve the pickling efficiency of niblet, mouthfeel and adds Working medium amount saves the nutrition of corn from damage.
Another goal of the invention of the invention: niblet gelatinization degree and the vacuum in high pressure maturing process can accurately be controlled The moisture content of niblet when low temperature oil bath is dehydrated, improves niblet processing quality and processing efficiency.
Technical solution provided by the invention are as follows:
A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, comprising:
1, a kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, which is characterized in that the sweet-waxy maizes Grain successively carries out: obtaining finished product after high pressure curing, ultrasonic immersing, freeze setting, vacuum and low temperature oil bath dehydration, centrifugation de-oiling;
Wherein, the high pressure maturation stage are as follows: in the case where pressure is 111.45~131.72kPa, holding water temperature is in steamer 90~100 DEG C, digestion time is 1~2min, and niblet gelatinization degree is made to reach 88~93%;
The ultrasonic immersing step are as follows: be put into the niblet after gelatinization in the maltose that pol is 20~25 degree, super Acoustic frequency is to impregnate 3~6h under 30~40kHz;
The vacuum and low temperature oil bath dehydration are as follows: the niblet of deep colling is put into vacuum kettle, setting vacuum degree is 0.09~0.1Mpa, oil temperature are 105~115 DEG C, carry out vacuum oil bath dehydration, and the time is 40~50min, make the aqueous of niblet Rate reaches 4.5~6%.
Preferably,
The niblet boiling water temperature is 98 DEG C, and digestion time 1.8min, niblet gelatinization degree reaches 93%;
It is that 38kHz impregnates 5.5 hours under the conditions of maltose pol is 24 degree in supersonic frequency;
The vacuum degree is set as 0.98Mpa, and oil temperature is 113 DEG C, and time 48min, niblet moisture content reaches 4.5%.
Preferably, the freeze setting step are as follows:
Niblet after ultrasonic immersing is tiled, tiles with a thickness of 4~6cm, freezes 15 at -18 DEG C to -23 DEG C ~20 hours.
Preferably, the centrifugation de-oiling step are as follows:
The dewatered niblet of vacuum and low temperature oil bath pours into oil remover, start oil remover, de-oiling motor speed be 100~ 300r/min, pre- de-oiling carry out de-oiling after 30 seconds, the de-oiling time is 3~5min.
Preferably, it is 80~110 days that the niblet, which selects milk stage,.
A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, which is characterized in that the sweet-waxy maizes grain It successively carries out: obtaining finished product after high pressure curing, ultrasonic immersing, freeze setting, vacuum and low temperature oil bath dehydration, centrifugation de-oiling;
Wherein, the high pressure maturation stage are as follows: in steamer keep water temperature be 90~100 DEG C, pressure be 111.45~ 131.72kPa, digestion time are 1~2min;
The corn gelatinization degree meets:
Wherein, T is water temperature in steamer, T0For room temperature, e is the natural logrithm truth of a matter, and t is digestion time, t0When for basic boiling Between, pressure when P is boiling in pot, P0Atmospheric pressure, ω0For basic gelatinization degree;
The ultrasonic immersing step are as follows: be put into the niblet after gelatinization in the maltose that pol is 20~25 degree, super Acoustic frequency is to impregnate 3~6 hours under 30~40kHz;
The vacuum and low temperature oil bath dehydration are as follows: the niblet of deep colling is put into vacuum kettle, setting vacuum degree is 0.09~0.1Mpa, oil temperature are 105~115 DEG C, carry out vacuum oil bath dehydration, and the time is 40~50min;
The moisture content of the niblet meets:
Wherein, Pv is the vacuum degree in vacuum kettle, Pv0For basic vacuum degree, oil temperature when Ty is vacuum dehydration, Ty0It is first Beginning oil temperature, ty are the time of vacuum dehydration, ty0For the basal latency of vacuum dehydration, W0For basic moisture content.
It is of the present invention the utility model has the advantages that
1, this method makes fresh waxy corn grain improved efficiency in curing and dipping process, while by the fresh glutinous of ultrasonic treatment Niblet changes the structure of original starch, and product original color can be effectively kept during oil bath, reduces production The oil content of product reduces the generation of acrylamide carcinogen in frying course.
2, original nutritional ingredient in niblet is maintained well, while also its internal starch is modified, and Extend the shelf-life of kernel product.
3, niblet full appearance, crisp taste, surface color be uniform, moisture content and oil content are low.
4, vacuum and low temperature oil bath processing fresh waxy corn grains process of the invention, process do not add any addition Agent, processing aid and preservative are the corn instant instant products of a kind of green, nutrition, health.
5, niblet when by accurately controlling niblet gelatinization degree and vacuum and low temperature oil bath dehydration in high pressure maturing process Moisture content, improve niblet processing quality and processing efficiency.
Specific embodiment
The present invention is described in further detail below, to enable those skilled in the art's refer to the instruction text being capable of evidence To implement.
The present invention provides a kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, includes the following steps:
Step 1 selects raw material, select full seed, it is uniform in size without mildew rot, milk stage be 80-110 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 90~100 DEG C, Digestion time is 1~2min, and pressure is 111.45~131.72kPa, and niblet gelatinization degree is made to reach 88~95%;It will after boiling Niblet is placed in cooling bay is cooled down rapidly, and niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious Until Free water, it is 30~40kHz in supersonic frequency that putting it into pol, which is in 20~25 degree of malt liquid glucose, impregnate 3~ 6h washes away surface malt liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 4~6cm, at -18 DEG C to -23 DEG C After lower freezing 15~20 hours, it is put into vacuum kettle, setting vacuum degree is 0.09~0.1Mpa, and oil temperature is 105~115 DEG C, into Row vacuum oil bath dehydration, time are 40~50min, and the moisture content of niblet is made to reach 3~6%;
Dewatered niblet is put into oil remover by step 5, start oil remover, de-oiling motor speed be 100~ 300r/min, pre- de-oiling carry out de-oiling after 30 seconds, the de-oiling time is 3~5min, and the niblet after de-oiling is by positioning and packaging Obtain finished product.
In another embodiment, a kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, includes the following steps:
Step 1 selects raw material, select full seed, it is uniform in size without mildew rot, milk stage be 80-110 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 90~100 DEG C, Digestion time is 1~2min, and pressure is 111.45~131.72kPa, and niblet gelatinization degree is made to reach 88~95%;It will after boiling Niblet is placed in cooling bay is cooled down rapidly, and niblet temperature is made to be reduced to 20 DEG C or less;
Wherein, corn gelatinization degree meets:
Wherein, T is water temperature in steamer, T0For room temperature, e is the natural logrithm truth of a matter, and t is digestion time, t0When for basic boiling Between, pressure when P is boiling in pot, P0Atmospheric pressure, ω0For basic gelatinization degree;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious Until Free water, it is 30~40kHz in supersonic frequency that putting it into pol, which is in 20~25 degree of malt liquid glucose, impregnate 3~ 6h washes away surface malt liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 4~6cm, at -18 DEG C to -23 DEG C After lower freezing 15~20 hours, it is put into vacuum kettle, setting vacuum degree is 0.09~0.1Mpa, and oil temperature is 105~115 DEG C, into Row vacuum oil bath dehydration, time are 40~50min, and the moisture content of niblet is made to reach 3~6%;
Wherein, the moisture content of niblet meets:
Wherein, Pv is the vacuum degree in vacuum kettle, Pv0For basic vacuum degree, oil temperature when Ty is vacuum dehydration, Ty0It is first Beginning oil temperature, ty are vacuum dehydration time, ty0For the basal latency of vacuum dehydration, W0For basic moisture content;
Dewatered niblet is put into oil remover by step 5, start oil remover, de-oiling motor speed be 100~ 300r/min, pre- de-oiling carry out de-oiling after 30 seconds, the de-oiling time is 3~5min, and the niblet after de-oiling is by positioning and packaging Obtain finished product.
Niblet is aqueous when by controlling niblet gelatinization degree and vacuum and low temperature oil bath dehydration in high pressure maturing process Rate improves niblet processing quality and processing efficiency
In the present invention, processing method mentioned above has the advantages that conventional method does not have and performance, below in conjunction with The performance of main raw material(s) is described in detail.
Embodiment 1
Step 1 selects raw material, selects full seed, uniform in size rotten without mildew, the jade that milk stage is 80 days The grain of rice;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 90 DEG C, when boiling Between be 1min, pressure 111.45kPa makes niblet gelatinization degree reach 88%;Niblet is placed on rapidly cooling bay after boiling In cooled down, so that niblet temperature is reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 20 degree, is 30kHz in supersonic frequency, impregnates 3h, wash away surface wheat Bud liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 4cm, and it is small that 15 are freezed at -18 DEG C Shi Hou is put into vacuum kettle, and setting vacuum degree is 0.09Mpa, and oil temperature is 105 DEG C, carries out vacuum oil bath dehydration, the time is 40min makes the moisture content of niblet reach 6%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 100r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 3min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Embodiment 2
Step 1 selects raw material, selects full seed, uniform in size rotten without mildew, the jade that milk stage is 90 days The grain of rice;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 92 DEG C, when boiling Between be 1.2min, pressure 116.523kPa makes niblet gelatinization degree reach 91%;Niblet is placed on rapidly cooling after boiling It is cooled down in pond, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 21 degree, is 32kHz in supersonic frequency, impregnates 4h, wash away surface wheat Bud liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 4.5cm, freezes 16 at -19 DEG C It after hour, is put into vacuum kettle, setting vacuum degree is 0.092Mpa, and oil temperature is 107 DEG C, and progress vacuum oil bath dehydration, the time is 42min makes the moisture content of niblet reach 5.5%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 150r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 3.5min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Embodiment 3
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 100 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and controlling and keeping water temperature is 94 DEG C, Digestion time control is 1.4min, and pressure control is 121.59kPa, meets niblet gelatinization degree:
Wherein, T is water temperature in steamer, T0For room temperature, e is the natural logrithm truth of a matter, and t is digestion time, t0When for basic boiling Between, pressure when P is boiling in pot, P0Atmospheric pressure, ω0For basic gelatinization degree;
In the present embodiment, room temperature is 23 degree, and basic digestion time is 1min, and basic gelatinization degree is 85%;
Niblet is placed in cooling bay rapidly after boiling and is cooled down, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 22 degree, is 34kHz in supersonic frequency, impregnates 4.5h, wash away surface Malt liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 5cm, and it is small that 17 are freezed at -20 DEG C Shi Hou is put into vacuum kettle, and setting vacuum degree is 0.094Mpa, and Oil-temperature control is 109 DEG C, carries out vacuum oil bath dehydration, time Control is 44min, meets the moisture content of niblet:
Wherein, Pv is the vacuum degree in vacuum kettle, Pv0For basic vacuum degree, oil temperature when Ty is vacuum dehydration, Ty0It is first Beginning oil temperature, ty are the time of vacuum dehydration, ty0For the basal latency of vacuum dehydration, W0For basic moisture content;
In the present embodiment, base vacuum degree is 0.08Mpa, and initial oil temperature is 20 DEG C, and the basal latency of vacuum dehydration is 30min, basic moisture content are 85%.
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 200r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 4min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Embodiment 4
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 100 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and controlling and keeping water temperature is 96 DEG C, Control digestion time is 1.6min, and control pressure is 126.66kPa, meets niblet gelatinization degree:
Wherein, T is water temperature in steamer, T0For room temperature, e is the natural logrithm truth of a matter, and t is digestion time, t0When for basic boiling Between, pressure when P is boiling in pot, P0Atmospheric pressure, ω0For basic gelatinization degree;
In the present embodiment, room temperature is 23 degree, and basic digestion time is 1min, and basic gelatinization degree is 85%;
Niblet is placed in cooling bay rapidly after boiling and is cooled down, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 23 degree, is 36kHz in supersonic frequency, impregnates 5h, wash away surface wheat Bud liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 5.5cm, freezes 18 at -21 DEG C It after hour, is put into vacuum kettle, setting vacuum degree is 0.096Mpa, and oil temperature is 111 DEG C, and progress vacuum oil bath dehydration, the time is 46min meets the moisture content of niblet:
Wherein, Pv is the vacuum degree in vacuum kettle, Pv0For basic vacuum degree, oil temperature when Ty is vacuum dehydration, Ty0It is first Beginning oil temperature, ty are the time of vacuum dehydration, ty0For the basal latency of vacuum dehydration, W0For basic moisture content;
In the present embodiment, base vacuum degree is 0.08Mpa, and initial oil temperature is 20 DEG C, and the basal latency of vacuum dehydration is 30min, basic moisture content are 85%.
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 250r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 4.5min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Embodiment 5
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 105 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 98 DEG C, when boiling Between be 1.8min, pressure 129.696kPa makes niblet gelatinization degree reach 93%;Niblet is placed on rapidly cooling after boiling It is cooled down in pond, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 24 degree, is 38kHz in supersonic frequency, impregnates 5.5h, wash away surface Malt liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 5.8cm, freezes 16 at -22 DEG C It after hour, is put into vacuum kettle, setting vacuum degree is 0.098Mpa, and oil temperature is 113 DEG C, and progress vacuum oil bath dehydration, the time is 48min makes the moisture content of niblet reach 4.5%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 280r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 4.8min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Embodiment 6
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 110 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 100 DEG C, boiling Time is 2min, and pressure 131.722kPa makes niblet gelatinization degree reach 92%;Niblet is placed on rapidly cooling after boiling It is cooled down in pond, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 25 degree, is 40kHz in supersonic frequency, impregnates 6h, wash away surface wheat Bud liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 6cm, and it is small that 20 are freezed at -23 DEG C Shi Hou is put into vacuum kettle, and setting vacuum degree is 0.1Mpa, and oil temperature is 115 DEG C, carries out vacuum oil bath dehydration, the time is 50min makes the moisture content of niblet reach 5.3%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 300r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 5min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Comparative example 1
This comparative example be without high pressure maturation stage, it is specific as follows:
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 100 days Niblet;
Niblet after cleaning is put into digester by step 2, is cured, and keeping water temperature is 95 DEG C, and digestion time is 3h makes niblet gelatinization degree reach 86%;Niblet is placed in cooling bay rapidly after boiling and is cooled down, niblet temperature is made It is reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious It until Free water, puts it into the malt liquid glucose that pol is 23 degree, is 36kHz in supersonic frequency, impregnates 5h, wash away surface wheat Bud liquid glucose;
Step 4 tiles the niblet after ultrasonic immersing, and flat overlay thickness is 5.5cm, freezes 18 at -21 DEG C It after hour, is put into vacuum kettle, setting vacuum degree is 0.096Mpa, and oil temperature is 111 DEG C, and progress vacuum oil bath dehydration, the time is 50min makes the moisture content of niblet reach 5.91%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 200r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 4.5min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
Comparative example 2
This comparative example be without ultrasonic immersing step, it is specific as follows:
Step 1 selects raw material, select full seed, it is uniform in size rot without mildew, milk stage is 105 days Niblet;
Niblet after cleaning is put into digester by step 2, carries out high pressure curing, and keeping water temperature is 98 DEG C, when boiling Between be 1.8min, pressure 129.696kPa makes niblet gelatinization degree reach 93%;Niblet is placed on rapidly cooling after boiling It is cooled down in pond, niblet temperature is made to be reduced to 20 DEG C or less;
Step 3 will be put into vibrating screen vibrating water-dropping three minutes by niblet after cooling, make niblet surface without obvious Until Free water, puts it into the malt liquid glucose that pol is 24 degree, impregnate 48h, wash away surface malt liquid glucose;
Step 4 tiles the niblet after dipping, and flat overlay thickness is 5.8cm, freezes 16 hours at -22 DEG C Afterwards, it is put into vacuum kettle, setting vacuum degree is 0.098Mpa, and oil temperature is 113 DEG C, carries out vacuum oil bath dehydration, the time is 48min makes the moisture content of niblet reach 8.75%;
Dewatered niblet is put into oil remover by step 5, starts oil remover, and de-oiling motor speed is 280r/min, Pre- de-oiling carries out de-oiling after 30 seconds, the de-oiling time is 4.8min, and the niblet after de-oiling is by positioning and is packaged to be finished product.
1 gelatinization degree of table and moisture content
Embodiment sequence number Gelatinization degree Moisture content
Embodiment 1 88% 6%
Embodiment 2 91% 5.5%
Embodiment 3 96.42% 3.54%
Embodiment 4 96.11% 3.45%
Embodiment 5 93% 4.5%
Embodiment 6 92% 5.3%
Comparative example 1 86% 5.91%
Comparative example 2 93% 8.75%
From table 1 it follows that in comparative example 1, without the niblet of high pressure maturation process, in carrying out maturing process The longer time is needed, the efficiency of niblet processing is greatly reduced.It is needed without the niblet of ultrasonic immersing in dipping The longer time, not only dipping effect is bad, but also has an effect on the processing efficiency of niblet.
It is high by the niblet gelatinization degree in the high pressure maturing process and vacuum and low temperature oil bath dehydration that accurately control, it is beautiful The moisture content of the grain of rice is low, improves niblet processing quality and processing efficiency.It is processed to verify in above-described embodiment and comparative example Niblet mouthfeel and niblet processing quality (plumpness and color including niblet), carry out random experiment, at random 10 testers are found, after allowing each tester to observe respectively and eating 8 kinds of niblets, to the processing quality and mouthfeel of niblet It scores, full marks are 100 points, and statistical data obtains following table:
28 kinds of niblet mouthfeels marking tables of table
38 kinds of niblet processing qualities marking tables of table
By the data in table 2-3, it is apparent that by high pressure curing, ultrasonic immersing and vacuum and low temperature in the present invention The niblet of oil bath dehydration processing is obviously than without high pressure curing and without the mouthfeel of the niblet of ultrasonic immersing processing Good, processing quality (including color and plumpness) is high, also, the gelatinization degree by accurately controlling processed niblet is high, aqueous Rate is low, by accurately controlling the niblet mouthfeel being process and processing quality obviously than the niblet mouthfeel of other embodiments Good, processing quality is high, therefore, has processing quality good by accurately controlling the niblet that processing conditions is process, processing effect The high advantage of rate.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and shown here as with description embodiment.

Claims (6)

1. a kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, which is characterized in that the sweet-waxy maizes grain according to Secondary progress: finished product is obtained after high pressure curing, ultrasonic immersing, freeze setting, vacuum and low temperature oil bath dehydration, centrifugation de-oiling;
Wherein, the high pressure maturation stage are as follows: kept in the case where pressure is 111.45~131.72kPa, in steamer water temperature be 90~ 100 DEG C, digestion time is 1~2min, and niblet gelatinization degree is made to reach 88~93%;
The ultrasonic immersing step are as follows: be put into the niblet after gelatinization in the maltose that pol is 20~25 degree, in supersonic frequency Rate is to impregnate 3~6h under 30~40kHz;
The vacuum and low temperature oil bath dehydration are as follows: the niblet of deep colling is put into vacuum kettle, setting vacuum degree be 0.09~ 0.1Mpa, oil temperature are 105~115 DEG C, carry out vacuum oil bath dehydration, and the time is 40~50min, reach the moisture content of niblet 4.5~6%.
2. the method for vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain according to claim 1, which is characterized in that
The niblet boiling water temperature is 98 DEG C, and digestion time 1.8min, niblet gelatinization degree reaches 93%;
It is that 38kHz impregnates 5.5 hours under the conditions of maltose pol is 24 degree in supersonic frequency;
The vacuum degree is set as 0.98Mpa, and oil temperature is 113 DEG C, and time 48min, niblet moisture content reaches 4.5%.
3. the method for vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain according to claim 2, which is characterized in that described Freeze setting step are as follows:
Niblet after ultrasonic immersing is tiled, tiling freezes 15~20 with a thickness of 4~6cm at -18 DEG C to -23 DEG C Hour.
4. the method for vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain according to claim 3, which is characterized in that described Centrifugation de-oiling step are as follows:
The dewatered niblet of vacuum and low temperature oil bath pours into oil remover, start oil remover, de-oiling motor speed be 100~ 300r/min, pre- de-oiling carry out de-oiling after 30 seconds, the de-oiling time is 3~5min.
5. the method for vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain according to claim 3, which is characterized in that described It is 80~110 days that niblet, which selects milk stage,.
6. a kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain, which is characterized in that the sweet-waxy maizes grain according to Secondary progress: finished product is obtained after high pressure curing, ultrasonic immersing, freeze setting, vacuum and low temperature oil bath dehydration, centrifugation de-oiling;
Wherein, the high pressure maturation stage are as follows: in steamer keep water temperature be 90~100 DEG C, pressure be 111.45~ 131.72kPa, digestion time are 1~2min;
The corn gelatinization degree meets:
Wherein, T is water temperature in steamer, T0For room temperature, e is the natural logrithm truth of a matter, and t is digestion time, t0For basic digestion time, P For the pressure in pot when boiling, P0Atmospheric pressure, ω0For basic gelatinization degree;
The ultrasonic immersing step are as follows: be put into the niblet after gelatinization in the maltose that pol is 20~25 degree, in supersonic frequency Rate is to impregnate 3~6 hours under 30~40kHz;
The vacuum and low temperature oil bath dehydration are as follows: the niblet of deep colling is put into vacuum kettle, setting vacuum degree be 0.09~ 0.1Mpa, oil temperature are 105~115 DEG C, carry out vacuum oil bath dehydration, and the time is 40~50min;
The moisture content of the niblet meets:
Wherein, Pv is the vacuum degree in vacuum kettle, Pv0For basic vacuum degree, oil temperature when Ty is vacuum dehydration, Ty0For initial oil Temperature, ty are the time of vacuum dehydration, ty0For the basal latency of vacuum dehydration, W0For basic moisture content.
CN201910117101.XA 2019-02-15 2019-02-15 A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain Pending CN109699892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910117101.XA CN109699892A (en) 2019-02-15 2019-02-15 A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910117101.XA CN109699892A (en) 2019-02-15 2019-02-15 A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain

Publications (1)

Publication Number Publication Date
CN109699892A true CN109699892A (en) 2019-05-03

Family

ID=66264422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910117101.XA Pending CN109699892A (en) 2019-02-15 2019-02-15 A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain

Country Status (1)

Country Link
CN (1) CN109699892A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715412A (en) * 2012-05-31 2012-10-10 杭州姚生记食品有限公司 Processing method for ready-to-eat sweet corn kernels and ready-to-eat sweet corn kernels processed by method
CN104286980A (en) * 2014-09-29 2015-01-21 福建农林大学 Processing method of ready-to-eat lotus seed leisure food
CN104920982A (en) * 2014-03-18 2015-09-23 冒玉兰 Preparation method for instant sweet corn kernels
CN105595314A (en) * 2015-12-23 2016-05-25 福建农林大学 Method for preparing crispy hypsizigus marmoreus chips

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715412A (en) * 2012-05-31 2012-10-10 杭州姚生记食品有限公司 Processing method for ready-to-eat sweet corn kernels and ready-to-eat sweet corn kernels processed by method
CN104920982A (en) * 2014-03-18 2015-09-23 冒玉兰 Preparation method for instant sweet corn kernels
CN104286980A (en) * 2014-09-29 2015-01-21 福建农林大学 Processing method of ready-to-eat lotus seed leisure food
CN105595314A (en) * 2015-12-23 2016-05-25 福建农林大学 Method for preparing crispy hypsizigus marmoreus chips

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李建珍等: "超高压技术对玉米粉糊化度的影响", 《食品科学》 *
黄伟等: "熟化条件对饲用玉米淀粉结构及糊化特性的影响", 《中国饲料》 *

Similar Documents

Publication Publication Date Title
CN101984852A (en) Method for preparing germinated brown rice nutritional instant rice
CN105349318B (en) A kind of production method of fresh cassava sweet wine
CN104560520A (en) Making method of persimmon glutinous rice wine
CN109251831A (en) A kind of jujube alcoholic drink mixed with fruit juice and its brew method
CN104041783A (en) Pickled peppers and preparing method thereof
CN105249242A (en) Production method for fast-food puffing pearl barley
CN108094649A (en) A kind of cereal miscellaneous sugar and its manufacture craft
CN103992901A (en) Processing method for sweet-potato wine
CN105623959A (en) Method for brewing yellow rice wine from potatoes as accessory materials
CN107996733A (en) One cultivates peanut fermented bean curd and its production method
CN109699892A (en) A kind of method of vacuum and low temperature oil bath dehydration processing sweet-waxy maizes grain
CN104770556B (en) A kind of peach piece is done and its preparation process
CN103431069A (en) Method for preparing peanut beancurd from peanut sprouts
CN106135446A (en) A kind of fermented bean curd and preparation method thereof
CN103421648B (en) Method for preparing rice syrup and application of rice syrup in brewed wine
CN103976289B (en) A kind of sprouted unpolished rice Optimizing manufacture technique
CN104273436A (en) Steamed proso millet bun stuffed with all kinds of fruits and production method of steamed proso millet bun
CN104939024B (en) The preparation method made soy sauce with composition and soy sauce koji
KR20110003427A (en) PROCESS OF GLUTINOUS RICE CAKE WITH NONGLUTINOUS RICE AND α- TAPIOCA FLOUR
CN110791401A (en) Preparation method of mixed fruity glutinous rice wine
CN104946468A (en) Preparation method of fermented glutinous rice-muskmelon wine
CN107692019A (en) A kind of nourishing yin and supplementing blood, nourishing stomach and spleen jujube paste fermentation rice cake production method
CN106343441A (en) Manufacturing method of sour peppers
CN108041460A (en) Beans sauce preparation method rich in plurality kinds of health care ingredient
CN107950733A (en) A kind of preparation method for piercing angle melon and fruit dried meat

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190503

RJ01 Rejection of invention patent application after publication