CN106391167A - Simple shelling method for buckwheat seeds - Google Patents
Simple shelling method for buckwheat seeds Download PDFInfo
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- CN106391167A CN106391167A CN201610771056.6A CN201610771056A CN106391167A CN 106391167 A CN106391167 A CN 106391167A CN 201610771056 A CN201610771056 A CN 201610771056A CN 106391167 A CN106391167 A CN 106391167A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B1/00—Preparing grain for milling or like processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
- B02B3/00—Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Spectroscopy & Molecular Physics (AREA)
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Abstract
The invention provides a simple shelling method for buckwheat seeds. The method comprises the following steps that the buckwheat seeds are placed in a shelling machine to be shelled, and the buckwheat seeds meet one or more of the following conditions that the length-width ratio of the buckwheat seeds is 1.4-1.85, the wood-fiber ratio of buckwheat seed peel is larger than 0.64, and the peel specific gravity of the buckwheat seeds is smaller than 21%. According to the simple shelling method, when the buckwheat seeds are shelled, the buckwheat seeds meet one or more of the above conditions, then simple shelling of the buckwheat seeds can be achieved, and the buckwheat seeds not treated are directly placed in the shelling machine to be shelled. The method is simple, the milled rice rate is high, the cooking and other steps are not needed, and nutritional ingredients in the buckwheat seeds can be reserved to the maximum degree.
Description
Technical field
The invention belongs to agricultural technology field is and in particular to a kind of simple hulling method of buckwheat seed.
Background technology
Because Semen Fagopyri Esculenti is rich in Flavonoid substances, the especially nutritional labeling such as rutin, become the important former of miscellaneous grain crops Product processing
Material, is also one of important selection of following trophic function food.Semen Fagopyri Esculenti as a kind of important rain fed crops and industrial crops,
Occupy critical role, especially poor nationality mountain area in the middle of the life of the people, Semen Fagopyri Esculenti is staple food crop, be also economical
One of main source.The Semen Fagopyri Esculenti for the treatment of in accordance with local conditions ground developing poverty poverty-stricken minority student produces, and had both met country and has paid attention to ethnic groups
The reality need of regional development featured agriculture, is also the unique natural resourcess development in support minority area during " 12 "
The central task of featured agriculture and work, to consolidating minority area socio-economic development basis, lift ethnic minorities
Self-developing ability, it is ensured that the volume increase of poor nationality mountain farming, increasing peasant income, realizing off, is built a harmonious society and is had
Important realistic meaning.In recent years, with people to Semen Fagopyri Esculenti medical treatment and health value understanding deepen continuously, Semen Fagopyri Esculenti product add
The quickly growing of work and industrial chain, the various products with Radix Et Rhizoma Fagopyri Tatarici as Raw material processing, such as buckwheat tea, pearl rice, Buckwheat Beer, acid
The products such as milk dominate the market rapidly, are favored by people.However, during with Semen Fagopyri Esculenti for Raw material processing various product,
Shelling is the necessary links in processing, is also the key causing buckwheat to damage broken, impact buckwheat nutritional quality and price.
On other many crops, shelling has been realized in mechanization, such as Oryza sativa L., Semen arachidis hypogaeae etc..However, in current Radix Et Rhizoma Fagopyri Tatarici raw material
In, crucial form of impact Radix Et Rhizoma Fagopyri Tatarici seed shelling etc. is still not clear, in the daily selection processing raw material and the kind that easily shells
The discrimination method of the easy dehusked seeds being simply suitable for is lacked in selection-breeding.Under current production specifications, the process of Buckwheat shell is big
Mostly it is using step, complex procedures, and waste water resources such as cleaning, steaming and decocting, drying, shellings, rice milling yield is low, nutrient component damages
Seriously, buckwheat shelling is still a global difficult problem, is also the common problem that difficult shelling crop kernel needs to solve.
Content of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of buckwheat seed simple hulling method, this
Bright offer hulling method is simple, and rice milling yield is high, and nutrient component damages are less.
The invention provides a kind of simple hulling method of buckwheat seed, comprise the following steps：
Buckwheat seed is placed in hulling machine and is shelled, described buckwheat seed meets one of following condition or many
Kind：
The length-width ratio of described buckwheat seed is 1.4～1.85；
The wood fibre ratio of described buckwheat seed peel is more than 0.64；
The peel proportion of described buckwheat seed is less than 21%.
Preferably, described buckwheat seed also meets one or more of following condition：
The mass of 1000 kernel of described buckwheat seed is 29～44g；
The gap of described buckwheat seed is 0.098～0.285mm.
Preferably, the rotating speed of described hulling machine is 2200～2800r/min.
Preferably, described length-width ratio measures as follows：
The fruit length of measurement buckwheat seed；
After the length of three faceted pebbles of measurement buckwheat seed, the meansigma methodss of length calculating described three faceted pebbles are as Semen Fagopyri Esculenti
The fruit width of seed；
Using the ratio of described fruit length and described fruit width as length-width ratio.
Preferably, described wood fibre ratio is measured as follows：
A) measure the content of lignin of buckwheat seed peel, method is：
A1 processed under high-temperature and high-pressure conditions after) buckwheat seed peel powder being mixed with sulfuric acid solution, obtained anti-
Answer liquid；
A2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain
Solid sample；
A3) described content of lignin is calculated according to the formula shown in formula (I)：
Content of lignin/%=step A2) in solid sample quality/buckwheat seed peel powder quality * 100%,
Formula (I)；
B) measure the content of cellulose of buckwheat seed peel, method is：
B1) buckwheat seed peel, anhydrous sodium sulfite and acid detergent are mixed, carry out heating reflux reaction, obtain
Reactant liquor；
B2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain
Solid sample；
B3) described content of cellulose is calculated according to the formula shown in formula (II)：
Content of cellulose/%=[step B2) in solid sample quality/buckwheat seed peel quality-step A2) in
The quality of solid sample)/buckwheat seed peel powder quality] * 100%, formula (II)；
C) ratio of described content of lignin and described content of cellulose is compared as wood is fine；
Described step A) and step B) not order restriction.
Preferably, described peel proportion is measured as follows：
Weigh the fruit quality of 200 or more than 200 quantity, cleaning buckwheat seed, then using the method crushing,
Separate the embryo in buckwheat seed and peel, weigh the quality of the peel of corresponding 200 buckwheat seeds, by the quality of peel and fruit
The ratio of quality is as peel proportion.
Preferably, described mass of 1000 kernel is measured as follows；
Weigh 200 clean fruit qualities, be converted into mass of 1000 kernel.
Preferably, the gap of described buckwheat seed measures as follows：
Using field emission scanning electron microscope, observe Semen Fagopyri Esculenti fruit Structure of cross section and simultaneously take pictures, measurement Semen Fagopyri Esculenti corner angle with
Gap width between embryo.
Compared with prior art, the invention provides a kind of simple hulling method of buckwheat seed, comprise the following steps：By buckwheat
Wheat Seeds are placed in hulling machine and are shelled, and described buckwheat seed meets one or more of following condition：Described buckwheat
The length-width ratio of son is 1.4～1.85；The wood fibre ratio of described buckwheat seed peel is more than 0.64；The peel proportion of described buckwheat seed
Less than 21%.When carrying out the shelling of buckwheat seed, described buckwheat seed meets one or more of above-mentioned condition to the present invention,
Can achieve the simple shelling of buckwheat seed, directly untreated buckwheat seed is placed in hulling machine and is shelled.The party
Method is simple, and rice milling yield is high, and needs not move through the steps such as steaming and decocting, and the nutrition that can farthest retain in buckwheat seed becomes
Point.
Brief description
Fig. 1 is buckwheat seed length (A), wide (B) measurement pattern figure.
Specific embodiment
The invention provides a kind of simple hulling method of buckwheat seed, comprise the following steps：
Buckwheat seed is placed in hulling machine and is shelled, described buckwheat seed meets one of following condition or many
Kind：
The length-width ratio of described buckwheat seed is 1.4～1.85；
The wood fibre ratio of described buckwheat seed peel is more than 0.64；
The peel proportion of described buckwheat seed is less than 21%.
The present invention, when carrying out buckwheat seed shelling, directly buckwheat seed is placed in hulling machine.Wherein, be placed in de-
Buckwheat seed in shell machine meets one or more of following condition：
The length-width ratio of described buckwheat seed is 1.4～1.85；
The wood fibre ratio of described buckwheat seed peel is more than 0.64；
The peel proportion of described buckwheat seed is less than 21%.
Wherein, the length-width ratio of described buckwheat seed be 1.4～1.85, preferably 1.45～1.8, more preferably 1.5～
1.7.
In the present invention, the length-width ratio of described buckwheat seed measures as follows：
The fruit length of measurement buckwheat seed；
After the length of three faceted pebbles of measurement buckwheat seed, the meansigma methodss of length calculating described three faceted pebbles are as Semen Fagopyri Esculenti
The fruit width of seed；
Using the ratio of described fruit length and described fruit width as length-width ratio.
Specifically, using electronic digital indicator (0～150mm, Chengdu Chengliang Tools Group Co., Ltd) as shown in Figure 1,
Fruit length (L, the Length of the different buckwheat of measurement；Fig. 1, A), wide (W, Width；Fig. 1, B), Fig. 1 is that buckwheat seed is long
(A), wide (B) measurement pattern figure, length and width index is all measured by randomly selecting the buckwheat seed of 20 or more than 20.
Described buckwheat seed can also meet：Described buckwheat seed peel wood fibre ratio more than 0.64, preferably greater than
0.67, more preferably higher than 0.70.
Described wood fibre ratio is preferably measured as follows：
A) measure the content of lignin of buckwheat seed peel, method is：
A1 processed under high-temperature and high-pressure conditions after) Semen Fagopyri Esculenti peel powder being mixed with sulfuric acid solution, obtained reactant liquor；
A2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain
Solid sample；
A3) described content of lignin is calculated according to the formula shown in formula (I)：
Content of lignin/%=step A2) in solid sample quality/Semen Fagopyri Esculenti peel powder quality * 100%, formula
(I)；
B) measure the content of cellulose of buckwheat seed peel, method is：
B1) buckwheat seed peel, anhydrous sodium sulfite and acid detergent are mixed, carry out heating reflux reaction, obtain
Reactant liquor；
B2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain
Solid sample；
B3) described content of cellulose is calculated according to the formula shown in formula (II)：
Content of cellulose/%=[step B2) in solid sample quality/buckwheat seed peel quality-step A2) in
The quality of solid sample)/buckwheat seed peel powder quality] * 100%, formula (II)；
C) ratio of described content of lignin and described content of cellulose is compared as wood is fine；
Described step A) and step B) not order restriction.
Wherein, described content of lignin measures and preferably carries out as follows：
Weigh 0.3000g (W0) buckwheat seed peel powder sample, it is placed in the conical flask with cover of 150ml, add 4ml
72% H2SO4Solution, is sealed and placed in oscillation treatment 1h in 30 DEG C of 100rpm water-bath constant temperature oscillators with preservative film.Vibrate
Cheng Hou, adds the dilution of 111ml pure water, processes 1h in 120 DEG C of high-pressure sterilizing pots.After the completion of process, while hot by conical flask
The solution glass sand core funnel (G of constant weight0) carry out sucking filtration, rinse conical flask 3～5 times with hot pure water, flushing is taken out
That filters is precipitated to neutrality, sucking filtration is placed in 105 DEG C of thermostatic drying chamber to neutral residue and glass sand core funnel 2h is dried
More than, until constant weight (G1).Preferably, according to the method described above in triplicate, average.
Wherein, described content of lignin/% can also be calculated according to the formula shown in formula (III)：
Content of lignin/%=(G1-G0)/W0* 100%, formula (III),
In formula (III)：G1Glass sand core funnel and residue (g)；G0Glass sand core funnel (g)；W0Sample weight (g).
On the basis of said determination buckwheat seed content of lignin, described content of cellulose measures preferably according to such as lower section
Method is carried out：
Accurately weigh 0.3000g sample (W1) be placed in 150ml with plug triangular flask in, add 0.5g anhydrous sodium sulfite and
100ml acid detergent.Triangular flask connection condensation reflux unit is heated on electric furnace, is heated to seething with excitement in 5-10min, and
Keep micro-boiling 60min.With constant weight (G2) glass sand core funnel sucking filtration while hot, and repeatedly rinse glass sand with boiling distillated water
Core funnel and residue, being in neutrality to filtrate.Being in colourless with the acetone that proper amount of acetone rinse residue to sucking filtration goes out.Will be residual
Slag and glass sand core funnel are placed in 105 DEG C of constant temperature ovens and 2h more than are dried, and directly claim to constant weight (G3).Preferably, according to above-mentioned
Method in triplicate, is averaged.
Wherein, described content of cellulose/% can also be calculated according to the formula shown in formula (IV)：
Content of cellulose (ADF)/%=[(G3-G2)/W1-(G1-G0)/W0] * 100%, formula (IV)
In formula (IV)：G3Glass sand core funnel and residue (g), G2Glass sand core funnel (g), W1Sample weight (g).
After obtaining content of lignin and content of cellulose, the ratio of described content of lignin and described content of cellulose is made
For the fine ratio of wood.
Described buckwheat seed can also meet：The peel proportion of described buckwheat seed is less than 21%.
In the present invention, described peel proportion is preferably measured as follows：
Weigh the fruit quality of 200 or more than 200 quantity, cleaning buckwheat seed, then using the side crushing
Method, separates the embryo in buckwheat seed and peel, weighs the quality of the peel of corresponding 200 or more than 200 buckwheat seeds, will fruit
The quality of skin and the ratio of fruit quality are as peel proportion.
In the present invention, the length-width ratio of described buckwheat seed, the fine ratio of wood of buckwheat seed peel and the fruit of buckwheat seed
Three conditions of skin proportion can meet first, or meet two of which simultaneously, or three meets simultaneously.
In addition to above three condition, described buckwheat seed can also meet one or more of following condition：
The mass of 1000 kernel of described buckwheat seed is 29～44g；
The gap of described buckwheat seed is 0.098～0.285mm.
Specifically, described buckwheat seed can also meet mass of 1000 kernel is 29～44g, preferably 30～40g；
Described mass of 1000 kernel is measured as follows；
Weigh the fruit quality of the cleaning of 200 or more than 200, be converted into mass of 1000 kernel.Preferably, according to the method described above
In triplicate, average.
The buckwheat seed that the present invention provides can also meet：The gap of described buckwheat seed is 0.098～0.285mm, excellent
Elect 0.010～0.28mm, more preferably 0.05～0.20mm as.
The gap of described buckwheat seed measures as follows：
Using field emission scanning electron microscope, observe Semen Fagopyri Esculenti fruit Structure of cross section and simultaneously take pictures, measurement Semen Fagopyri Esculenti corner angle with
Gap width between embryo.
Specifically, using field emission scanning electron microscope (JSM-7500F, Jeol Ltd.), observe Semen Fagopyri Esculenti
Fruit Structure of cross section is simultaneously taken pictures, and using Image J software, measures the gap width between Semen Fagopyri Esculenti corner angle and embryo.
When described buckwheat seed meets the length-width ratio of buckwheat seed, the fine ratio of wood of buckwheat seed peel and buckwheat seed
On the basis of at least one in three conditions of peel proportion, or at least one in meeting above-mentioned three kinds of conditions, also full
At least one in the condition in the gap of the mass of 1000 kernel of sufficient buckwheat seed and buckwheat seed, then buckwheat seed just can directly be put
Shelled in hulling machine.
In the present invention, do not have particular restriction to the species of described hulling machine, well known to a person skilled in the art shelling
Machine.
In the present invention, the technological parameter when shelling to buckwheat seed for the described hulling machine is：China dragon is multi-functional
Electronic stuff grinder (DM-WZ125-II), voltage 220V, power 1100W, rotating speed 2200-2800r/min, abrasive disk space 0.5-
1.5cm.
When carrying out the shelling of buckwheat seed, described buckwheat seed meets one or more of above-mentioned condition to the present invention,
Can achieve the simple shelling of buckwheat seed, directly untreated buckwheat seed is placed in hulling machine and is shelled.The party
Method is simple, and rice milling yield is high, and needs not move through the steps such as steaming and decocting, and the nutrition that can farthest retain in buckwheat seed becomes
Point.
Result shows, the husking yield of the hulling method of buckwheat seed that the present invention provides is up to 95%, wherein nutrient substance
Retention rate>95%.
For a further understanding of the present invention, the simple hulling method of the buckwheat seed present invention being provided with reference to embodiment
Illustrate, protection scope of the present invention is not limited by the following examples.
In following examples, the performance indications assay method of buckwheat seed is：
(1) buckwheat seed length-width ratio：
Choose and randomly select the measurement that 20 buckwheat seeds carry out seed length and width；
Specifically, using electronic digital indicator (0～150mm, Chengdu Chengliang Tools Group Co., Ltd) as shown in Figure 1,
Fruit length (L, the Length of the different buckwheat of measurement；Fig. 1, A), wide (W, Width；Fig. 1, B), Fig. 1 is that buckwheat seed is long
(A), wide (B) measurement pattern figure, the measuring method of the width of described buckwheat seed is：The length of three faceted pebbles of measurement buckwheat seed
After degree, calculate described three faceted pebbles length meansigma methodss as buckwheat seed fruit width.
After obtaining fruit length and the fruit width of buckwheat seed, by the ratio of described fruit length and described fruit width
As length-width ratio.
(2) the fine ratio of the wood of buckwheat seed：
Wherein, described content of lignin measures and carries out as follows：
Weigh 0.3000g (W0) buckwheat seed peel powder sample, it is placed in the conical flask with cover of 150ml, add 4ml
72% H2SO4Solution, is sealed and placed in oscillation treatment 1h in 30 DEG C of 100rpm water-bath constant temperature oscillators with preservative film.Vibrate
Cheng Hou, adds the dilution of 111ml pure water, processes 1h in 120 DEG C of high-pressure sterilizing pots.After the completion of process, while hot by conical flask
The solution glass sand core funnel (G of constant weight0) carry out sucking filtration, rinse conical flask 3～5 times with hot pure water, flushing is taken out
That filters is precipitated to neutrality, sucking filtration is placed in 105 DEG C of thermostatic drying chamber to neutral residue and glass sand core funnel 2h is dried
More than, until constant weight (G1).Preferably, according to the method described above in triplicate, average.
Wherein, described content of lignin/% is calculated according to the formula shown in formula (III)：
Content of lignin/%=(G1-G0)/W0* 100%, formula (III),
In formula (III)：G1Glass sand core funnel and residue (g)；G0Glass sand core funnel (g)；W0Sample weight (g).
On the basis of said determination buckwheat seed content of lignin, described content of cellulose measures to enter as follows
OK：
Accurately weigh 0.3000g sample (W1) be placed in 150ml with plug triangular flask in, add 0.5g anhydrous sodium sulfite and
100ml acid detergent.Triangular flask connection condensation reflux unit is heated on electric furnace, is heated to seething with excitement in 5-10min, and
Keep micro-boiling 60min.With constant weight (G2) glass sand core funnel sucking filtration while hot, and repeatedly rinse glass sand with boiling distillated water
Core funnel and residue, being in neutrality to filtrate.Being in colourless with the acetone that proper amount of acetone rinse residue to sucking filtration goes out.Will be residual
Slag and glass sand core funnel are placed in 105 DEG C of constant temperature ovens and 2h more than are dried, and directly claim to constant weight (G3).Preferably, according to above-mentioned
Method in triplicate, is averaged.
Wherein, described content of cellulose/% is calculated according to the formula shown in formula (IV)：
Content of cellulose (ADF)/%=[(G3-G2)/W1-(G1-G0)/W0] * 100%, formula (IV)
In formula (IV)：G3Glass sand core funnel and residue (g), G2Glass sand core funnel (g), W1Sample weight (g).
After obtaining content of lignin and content of cellulose, the ratio of described content of lignin and described content of cellulose is made
For the fine ratio of wood.
(3) the peel proportion of buckwheat seed：
Weigh the fruit quality of 200 clean buckwheat seeds, then using the method crushing, separate in buckwheat seed
Embryo and peel, weigh the quality of the peel of corresponding 200 buckwheat seeds, using the ratio of the quality of peel and fruit quality as fruit
Skin proportion.
(4) mass of 1000 kernel of buckwheat seed：
Weigh 200 clean fruit qualities, be converted into mass of 1000 kernel.
(5) gap of buckwheat seed：
Using field emission scanning electron microscope (JSM-7500F, Jeol Ltd.), observe Semen Fagopyri Esculenti fruit crosscutting
Face structure is simultaneously taken pictures, and using Image J software, measures the gap width between Semen Fagopyri Esculenti corner angle and embryo.
Above-mentioned five kinds of performance indications, when being measured, measure number of times in triplicate, results averaged.
The hulling method of following examples and husking yield measure：
By in clean buckwheat seed 500g, 15-20s, seed is at the uniform velocity poured in hulling machine, the kind after being shelled
Son.By the way of selecting crude drugs with winnower, remove peel and the broken particle less than Semen Fagopyri Esculenti embryo half, remaining fruit comprises to remove peel
Do not remove the fruit of peel.Randomly select six parts, every number amount is more than 30, after counting out every part of sum and removing peel
Completely, half core number, using the husking yield complete, that half core sum accounts for the percent of selected sum as buckwheat seed that shells, knot
Fruit is shown in Table 1, and table 1 is the husking yield of buckwheat seed.
The assay method of the nutritional labeling of the buckwheat seed of following examples：
Nutritional labeling 1：Determination of total flavonoids
Weigh sample powder 0.1000g, add the methanol 15mL of volume fraction 70%, under 60 DEG C, rotating speed 1500r/min
Extract 2h, centrifugation, filter, recycling design, with 70% methanol constant volume to 25mL, obtain extracting solution.Take extracting solution 1mL in 25mL colorimetric
Guan Zhong, adds 0.1mol/L aluminum chloride 2mL, 1mol/L potassium acetate 3mL, adds 70% methanol constant volume in 10mL graduation mark, shakes
Even, stand 30min mensuration absorbance value at 420nm, blank is separately set, upper machine measures.In triplicate.
Nutritional labeling 2：Assaying of Rutin
Prepare extracting solution by Determination Method of Flavone Content in nutritional labeling 1.Take appropriate extracting solution through 0.45 μm of aperture
Nylon leaching film filters, and obtains final product need testing solution.Using the rutin content in high effective liquid chromatography for measuring need testing solution.(tool
Body instrument and chromatographic condition instrument：LC-10AT VP Plus high performance liquid chromatograph (Japanese Shimadzu)；Chromatographic column：
Global SP C18 chromatographic column (250mm × 4.6mm, 5 μm)；Mobile phase：Methanol -1% glacial acetic acid solution, 50:50；Detection ripple
Long：260nm；Flow velocity：1mL/min；Column temperature：30℃；Sample size：20μL.) in triplicate.
Nutritional labeling 3：Total sugar content measures
Take sample powder 0.1g, be placed in 25mL color comparison tube, add 10mL boiling distillated water, put in water-bath and boiled
Water-bath.Frequently shake, extract 30 minutes, be subsequently adding appropriate (20mg) activated carbon, boiling water bath decolours 20 minutes.Take out mistake immediately
Filter, residue boiling distillated water cyclic washing simultaneously filters, merging filtrate.It is cooled to room temperature, be settled to 50mL with distilled water, as
Total sugar extracting solution.Take total sugar extracting solution 1mL in 25mL color comparison tube, after adding sulfuric acid-anthrone reagent (0.1% anthrone), shake up,
It is concurrently placed in boiling water bath, accurately heating 7 minutes, taking-up immediately is placed in ice-water bath and cools down rapidly.Reach after room temperature after solution, with
Blank is comparison, mensuration absorbance at 620nm.In triplicate.
The results are shown in Table 2, table 2 is the nutritional labeling of buckwheat seed after shelling.
The husking yield of table 1 buckwheat seed
The nutritional labeling of buckwheat seed after table 2 shelling
Calculated from the data in table 2, the hulling method being provided using the present invention, the nutritional labeling of buckwheat seed retains
Rate ＞ 95%.
Wherein, described nutritional labeling retention rate is calculated according to public formula V：
Nutrition content * 100% before nutrition content/shelling after nutritional labeling retention rate/%=shelling, formula
(V).
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of simple hulling method of buckwheat seed is it is characterised in that comprise the following steps：
Buckwheat seed is placed in hulling machine and is shelled, described buckwheat seed meets one or more of following condition：
The length-width ratio of described buckwheat seed is 1.4～1.85；
The wood fibre ratio of described buckwheat seed peel is more than 0.64；
The peel proportion of described buckwheat seed is less than 21%.
2. method according to claim 1 it is characterised in that described buckwheat seed also meet one of following condition or
Multiple：
The mass of 1000 kernel of described buckwheat seed is 29～44g；
The gap of described buckwheat seed is 0.098～0.285mm.
3. method according to claim 1 is it is characterised in that the rotating speed of described hulling machine is 2200～2800r/min.
4. method according to claim 1 is it is characterised in that described length-width ratio measures as follows：
The fruit length of measurement buckwheat seed；
After the length of three faceted pebbles of measurement buckwheat seed, the meansigma methodss of length calculating described three faceted pebbles are as buckwheat seed
Fruit width；
Using the ratio of described fruit length and described fruit width as length-width ratio.
5. method according to claim 1 is it is characterised in that described wood fibre ratio is measured as follows：
A) measure the content of lignin of buckwheat seed peel, method is：
A1 processed under high-temperature and high-pressure conditions after) buckwheat seed peel powder being mixed with sulfuric acid solution, obtained reactant liquor；
A2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain solid
Sample；
A3) described content of lignin is calculated according to the formula shown in formula (I)：
Content of lignin/%=step A2) in solid sample quality/buckwheat seed peel powder quality * 100%, formula
(I)；
B) measure the content of cellulose of buckwheat seed peel, method is：
B1) buckwheat seed peel, anhydrous sodium sulfite and acid detergent are mixed, carry out heating reflux reaction, reacted
Liquid；
B2) described reactant liquor is carried out solid-liquid separation, obtain solid residue, described solid residue is washed, be dried, obtain solid
Sample；
B3) described content of cellulose is calculated according to the formula shown in formula (II)：
Content of cellulose/%=[step B2) in solid sample quality/buckwheat seed peel quality-step A2) in solid
The quality of sample)/buckwheat seed peel powder quality] * 100%, formula (II)；
C) ratio of described content of lignin and described content of cellulose is compared as wood is fine；
Described step A) and step B) not order restriction.
6. method according to claim 1 is it is characterised in that described peel proportion is measured as follows：
Weigh the fruit quality of 200 or more than 200 quantity, cleaning buckwheat seed, then using the method crushing, separate
Embryo in buckwheat seed and peel, weigh the quality of the peel of corresponding 200 buckwheat seeds, by the quality of peel and fruit quality
Ratio as peel proportion.
7. preparation method according to claim 2 is it is characterised in that described mass of 1000 kernel is measured as follows；
Weigh 200 clean fruit qualities, be converted into mass of 1000 kernel.
8. method according to claim 2 is it is characterised in that the gap of described buckwheat seed is surveyed as follows
Amount：
Using field emission scanning electron microscope, observe Semen Fagopyri Esculenti fruit Structure of cross section and simultaneously take pictures, measurement Semen Fagopyri Esculenti corner angle and embryo it
Between gap width.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090034255A (en) * | 2007-10-02 | 2009-04-07 | 윤종영 | Electromagnetic wave rice-polishing machine |
| CN203184054U (en) * | 2013-01-13 | 2013-09-11 | 西北农林科技大学 | Tartary buckwheat athermal unshelling device |
| CN103599819A (en) * | 2013-03-26 | 2014-02-26 | 西北农林科技大学 | Vertical tartary buckwheat huller |
| CN104646086A (en) * | 2014-12-18 | 2015-05-27 | 天津大学 | Combined-type buckwheat shelling machine |
| CN105536913A (en) * | 2015-12-14 | 2016-05-04 | 义乌市锦钰信息科技有限公司 | Buckwheat rice processing technology |
-
2016
- 2016-08-30 CN CN201610771056.6A patent/CN106391167B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090034255A (en) * | 2007-10-02 | 2009-04-07 | 윤종영 | Electromagnetic wave rice-polishing machine |
| CN203184054U (en) * | 2013-01-13 | 2013-09-11 | 西北农林科技大学 | Tartary buckwheat athermal unshelling device |
| CN103599819A (en) * | 2013-03-26 | 2014-02-26 | 西北农林科技大学 | Vertical tartary buckwheat huller |
| CN104646086A (en) * | 2014-12-18 | 2015-05-27 | 天津大学 | Combined-type buckwheat shelling machine |
| CN105536913A (en) * | 2015-12-14 | 2016-05-04 | 义乌市锦钰信息科技有限公司 | Buckwheat rice processing technology |
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