CN108956910A - A kind of screening technique of noodle rice kind - Google Patents

A kind of screening technique of noodle rice kind Download PDF

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Publication number
CN108956910A
CN108956910A CN201810823180.1A CN201810823180A CN108956910A CN 108956910 A CN108956910 A CN 108956910A CN 201810823180 A CN201810823180 A CN 201810823180A CN 108956910 A CN108956910 A CN 108956910A
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rice
strip
value
noodle
flour
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CN108956910B (en
Inventor
吴延寿
熊运华
陈春莲
胡标林
姚晓云
黄永萍
何虎
尹建华
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RICE RESEARCH INSTITUTE OF JIANGXI ACADEMY OF AGRICULTURAL SCIENCES
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RICE RESEARCH INSTITUTE OF JIANGXI ACADEMY OF AGRICULTURAL SCIENCES
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/42—Low-temperature sample treatment, e.g. cryofixation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample treatment involving radiation, e.g. heat
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
    • G01N2001/2866—Grinding or homogeneising

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
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Abstract

The invention discloses a kind of screening techniques of noodle rice kind, for the present invention by the correlation analyses of 86 kinds starch RVA characteristic spectrums and rice flour processing characteristics, the two indices parameter disintegration value and abatement value being introduced into rice starch RVA characteristic spectrum substitute gel consistence and caustic SCC.The scheme for optimizing forefathers reaches the accurate purpose of apparatus measures of noodle rice processing characteristics screening.The screening index of noodle rice all uses Instrument measuring, convenient and efficient, batch security can operate on a large scale, and systematic error is consistent, eliminates the difference that subjective factor and individual in artificial measurement are observed, time and labour saving has the value of popularization and application.

Description

A kind of screening technique of noodle rice kind
Technical field
The present invention relates to agricultural technology field more particularly to a kind of screening techniques of noodle rice kind.
Background technique
Processed food of the rice flour as rice, since its is efficient and convenient and full of nutrition more and more welcomed by the people, Main Foods as the provinces such as Jiangxi, Hunan and Guangxi breakfast.Since its output is not high, the large-scale production of national this respect Enterprise is few, it is most of produced with workshop based on, production technology is not high, also blinder for the selection of noodle rice kind Mesh.Not all rice is suitable for being processed into rice flour, and processing characteristics depend primarily on the rice matter feature of rice, are suitable for The rice of rice flour is processed into mainly based on early rice, this is also to solve a unsalable Main way of early rice.
Existing technical solution is to measure the rice matter feature of rice first after Rice Cropping harvests, and mainly includes that straight chain forms sediment Powder content, gel consistence and caustic SCC, then wear into Rice & peanut milk for rice, are processed into rice flour by rice-flour noodles machine, after processing Rolled twig rate and rice matter feature correlation analysis, determination be suitable for be processed into rice flour the corresponding rice matter index of rice varieties it is main Distribution are as follows: between rice grain amylose content 20%-26%, 1-3 grades of caustic SCC, gel consistence is lower than 40mm.
Three indexs of the prior art only have amylose that can carry out accurate instrument detection, and caustic SCC and glue are thick Degree is mainly by manual operations, this is directly related with the test qualification of operator, and especially gel consistence is for a new hand For, caused by test error it is larger, the observation standard of caustic SCC different people is different, error is easily caused in classification, separately The measurement of outer caustic SCC takes a long time, and generally requires two days time, and the measurement of gel consistence needs boiling water water-bath, be easy to cause danger Danger happens.Error based on original scheme is high, time-consuming, subjective factor influence is big, safety is low, researches and develops this hair thus It is bright.
Summary of the invention
The object of the invention is that providing a kind of screening technique of noodle rice kind to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
The present invention the following steps are included:
(1) plantation of rice varieties: by the Indica rice kind being collected into according to double cropping of rice rice region routinely the plantation time after planting by It is planted according to kind point cell, each kind about plants 500 caves or so, and fertilizer, moisture and crop smothering management are produced according to early rice Ground usage criteria executes, and after rice yellow maturity, the single kind of point cell harvests respectively, dries under room temperature or machine drying, weighing are pressed Per mu yield is converted into according to plot area size is planted；
(2) related rice quality measurement: it is above-mentioned dry after paddy after one month air-dry, each kind takes 200 grams of rice Paddy or so is machined to brown rice with small-sized brown rice, then is machined to polished rice with experiment with polished rice, by the polished rice of each kind with specially It is packed after being respectively crushed into the powder of 100 mesh with pulverizer, it is to be measured to carry out kind label.According to the code test of instrument requirements Process weighs measure straight chain respectively with amylose Flow Analyzer and RVA instrument after appropriate milled rice flour addition indicated reagent respectively Disintegration value and abatement value in content of starch and RVA characteristic spectrum；
(3) processing of fresh-cut lettuce: each 5 kilograms of each kind paddy dried in step (1) are taken, are ground respectively with miniature rice mill At polished rice, 2 kilograms of polished rice or so are weighed, is completely soaked 10-12 hours with tap water, the soaking time of each kind rice is necessary It is identical, the rice of water saturation is then worn into Rice & peanut milk, appropriate addition tap water during defibrination, so that rice with small-sized pulper The density of slurry is advisable after being provoked with club at uninterrupted silk strip whereabouts, after making slurry, is passed through Rice & peanut milk with small-sized rice-flour noodles machine Rice flour is fabricated directly into after boiling press strip, each kind rice flour intercepts item section 20 of 20 centimeter lengths respectively, is contained in particular plate It is saved and is cooled down with preservative film；
(4) rice flour strip-breaking rate and its determination index related with rice quality: by 20 after cooling, the rice flour of each kind Item section, which is respectively put into boiling water, boils 5 minutes, carefully pulls rice flour out in container, checks broken strip number, according to formula: strip-breaking rate= 100% × broken strip number/20 calculate strip-breaking rate.Disintegration value and abatement value and rice straight chain in strip-breaking rate and rice RVA characteristic spectrum Content of starch has extremely strong correlation, and the rice variety by strip-breaking rate no more than 10% is defined as noodle rice, finally by Rice variety of the strip-breaking rate no more than 10% determines disintegration value and abatement value and rice amylose in corresponding RVA characteristic spectrum Content；
(5) determination of the rice matter indication range of noodle rice kind: added by the test of 100 typical Indica rice kinds Work, including known large-scale application pass through the rice of strip-breaking rate and each kind rice in rice flour processing and unmanageable kind The analysis of matter feature correlation, while its rice quality is traced by strip-breaking rate, determine the screening rice matter index model of noodle rice Enclosing must be simultaneously in following range: amylose content 21-25%, RVA disintegration value 600-1500, RVA abatement value 200-1300.
The beneficial effects of the present invention are:
The present invention is a kind of screening technique of noodle rice kind, and compared with prior art, the present invention is formed sediment by 86 kinds The correlation analysis of powder RVA characteristic spectrum and rice flour processing characteristics, the two indices parameter disintegration being introduced into rice starch RVA characteristic spectrum Value and abatement value substitute gel consistence and caustic SCC.The scheme for optimizing forefathers reaches the instrument of noodle rice processing characteristics screening Device measures accurate purpose.The screening index of noodle rice all uses Instrument measuring, convenient and efficient, can extensive batch security Operation, systematic error is consistent, eliminates the subjective factor in artificial measurement and the difference of personal observation, time and labour saving has and pushes away The value extensively applied.
Specific embodiment
The invention will be further described below:
The present invention the following steps are included:
(1) plantation of rice varieties: by the Indica rice kind being collected into according to double cropping of rice rice region routinely the plantation time after planting by It is planted according to kind point cell, each kind about plants 500 caves or so, and fertilizer, moisture and crop smothering management are produced according to early rice Ground usage criteria executes, and especially amount of application of nitrogen fertilizer cannot be too high or too low, because this is formed on rice starch and content influences It is larger, deviation can be generated to the selection of noodle rice.After rice yellow maturity, the single kind of point cell harvests respectively, shines under room temperature The drying of dry or machine, weighing are converted into per mu yield according to plot area size is planted；
(2) related rice quality measurement: it is above-mentioned dry after paddy after one month air-dry, each kind takes 200 grams of rice Paddy or so is machined to brown rice with small-sized brown rice, then is machined to polished rice with experiment with polished rice, by the polished rice of each kind with specially It is packed after being respectively crushed into the powder of 100 mesh with pulverizer, it is to be measured to carry out kind label.According to the code test of instrument requirements Process weighs measure straight chain respectively with amylose Flow Analyzer and RVA instrument after appropriate milled rice flour addition indicated reagent respectively Disintegration value (Breakdown, BD) and abatement value (Setback, SB) in content of starch and RVA characteristic spectrum；
(3) processing of fresh-cut lettuce: each 5 kilograms of each kind paddy dried in step (1) are taken, are ground respectively with miniature rice mill At polished rice, 2 kilograms of polished rice or so are weighed, is completely soaked 10-12 hours with tap water, the soaking time of each kind rice is necessary It is identical, the rice of water saturation is then worn into Rice & peanut milk, appropriate addition tap water during defibrination, so that rice with small-sized pulper The density of slurry is advisable after being provoked with club at uninterrupted silk strip whereabouts, after making slurry, is passed through Rice & peanut milk with small-sized rice-flour noodles machine Rice flour is fabricated directly into after boiling press strip, each kind rice flour intercepts item section 20 of 20 centimeter lengths respectively, is contained in particular plate It is saved and is cooled down with preservative film；
(4) rice flour strip-breaking rate and its determination index related with rice quality: by 20 after cooling, the rice flour of each kind Item section, which is respectively put into boiling water, boils 5 minutes, carefully pulls rice flour out in container, checks broken strip number, according to formula: strip-breaking rate= 100% × broken strip number/20 calculate strip-breaking rate.Disintegration value and abatement value and rice straight chain in strip-breaking rate and rice RVA characteristic spectrum Content of starch has extremely strong correlation, and the rice variety by strip-breaking rate no more than 10% is defined as noodle rice, finally by Rice variety of the strip-breaking rate no more than 10% determines disintegration value and abatement value and rice amylose in corresponding RVA characteristic spectrum Content；
(5) determination of the rice matter indication range of noodle rice kind: added by the test of 100 typical Indica rice kinds Work, including known large-scale application pass through the rice of strip-breaking rate and each kind rice in rice flour processing and unmanageable kind The analysis of matter feature correlation, while its rice quality is traced by strip-breaking rate, determine the screening rice matter index model of noodle rice Enclosing must be simultaneously in following range: amylose content 21-25%, RVA disintegration value 600-1500, RVA abatement value 200-1300.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (1)

1. a kind of screening technique of noodle rice kind, which comprises the following steps:
(1) plantation of rice varieties: by the Indica rice kind being collected into according to double cropping of rice rice region routinely the plantation time after planting by It is planted according to kind point cell, each kind about plants 500 caves or so, and fertilizer, moisture and crop smothering management are produced according to early rice Ground usage criteria executes, and after rice yellow maturity, the single kind of point cell harvests respectively, dries under room temperature or machine drying, weighing are pressed Per mu yield is converted into according to plot area size is planted；
(2) related rice quality measurement: it is above-mentioned dry after paddy after one month air-dry, each kind takes 200 grams of rice Paddy or so is machined to brown rice with small-sized brown rice, then is machined to polished rice with experiment with polished rice, by the polished rice of each kind with specially It is packed after being respectively crushed into the powder of 100 mesh with pulverizer, it is to be measured to carry out kind label.According to the code test of instrument requirements Process weighs measure straight chain respectively with amylose Flow Analyzer and RVA instrument after appropriate milled rice flour addition indicated reagent respectively Disintegration value and abatement value in content of starch and RVA characteristic spectrum；
(3) processing of fresh-cut lettuce: each 5 kilograms of each kind paddy dried in step (1) are taken, are ground respectively with miniature rice mill At polished rice, 2 kilograms of polished rice or so are weighed, is completely soaked 10-12 hours with tap water, the soaking time of each kind rice is necessary It is identical, the rice of water saturation is then worn into Rice & peanut milk, appropriate addition tap water during defibrination, so that rice with small-sized pulper The density of slurry is advisable after being provoked with club at uninterrupted silk strip whereabouts, after making slurry, is passed through Rice & peanut milk with small-sized rice-flour noodles machine Rice flour is fabricated directly into after boiling press strip, each kind rice flour intercepts item section 20 of 20 centimeter lengths respectively, is contained in particular plate It is saved and is cooled down with preservative film；
(4) rice flour strip-breaking rate and its determination index related with rice quality: by 20 after cooling, the rice flour of each kind Item section, which is respectively put into boiling water, boils 5 minutes, carefully pulls rice flour out in container, checks broken strip number, according to formula: strip-breaking rate= 100% × broken strip number/20 calculate strip-breaking rate.Disintegration value and abatement value and rice straight chain in strip-breaking rate and rice RVA characteristic spectrum Content of starch has extremely strong correlation, and the rice variety by strip-breaking rate no more than 10% is defined as noodle rice, finally leads to It crosses rice variety of the strip-breaking rate no more than 10% and determines that disintegration value and abatement value and rice straight chain form sediment in corresponding RVA characteristic spectrum Powder content；
(5) determination of the rice matter indication range of noodle rice kind: added by the test of 100 typical Indica rice kinds Work, including known large-scale application pass through the rice of strip-breaking rate and each kind rice in rice flour processing and unmanageable kind The analysis of matter feature correlation, while its rice quality is traced by strip-breaking rate, determine the screening rice matter index model of noodle rice Enclosing must be simultaneously in following range: amylose content 21-25%, RVA disintegration value 600-1500, RVA abatement value 200-1300.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111014078A (en) * 2020-01-06 2020-04-17 武汉轻工大学 Method for quickly selecting rice special for rice flour

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374672A (en) * 2014-12-05 2015-02-25 南京财经大学 Ion-irradiated unprocessed rice and rapid determination method therefor
CN106353268A (en) * 2016-08-30 2017-01-25 广东省粮食科学研究所 Rapid detection method of amylase content in rice

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104374672A (en) * 2014-12-05 2015-02-25 南京财经大学 Ion-irradiated unprocessed rice and rapid determination method therefor
CN106353268A (en) * 2016-08-30 2017-01-25 广东省粮食科学研究所 Rapid detection method of amylase content in rice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111014078A (en) * 2020-01-06 2020-04-17 武汉轻工大学 Method for quickly selecting rice special for rice flour

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