CN106814046A - Gel soft candy moisture method for quick - Google Patents
Gel soft candy moisture method for quick Download PDFInfo
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- CN106814046A CN106814046A CN201510848460.4A CN201510848460A CN106814046A CN 106814046 A CN106814046 A CN 106814046A CN 201510848460 A CN201510848460 A CN 201510848460A CN 106814046 A CN106814046 A CN 106814046A
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Abstract
It is an object of the invention to provide a kind of gel soft candy moisture detection method, the described method comprises the following steps:(1) to 1-1.5 times of 70-90 DEG C of deionized water of weight is added in gel soft candy sample, electromagnetic agitation is inserted, is weighed;(2) the soft sweets sample after step (1) is weighed using Electromagnetic Heating agitator is heated to 70-90 DEG C, and constant temperature stirring is carried out under 500-1100rpm, until the soft sweets sample dissolves completely;(3) carry out determining weight to 70-90 DEG C of deionized water of supplement in the sample after being dissolved in step (2), constant temperature stirring is carried out again;(4) sample after step (3) calmly weight is measured using refractometer, obtains soluble solid content;(5) soluble solid content measured according to step (4), calculates the moisture obtained in the gel soft candy sample.
Description
Technical field
Method the present invention relates to be used for quickly detecting to gel soft candy moisture, belongs to food skill
Art field.
Background technology
Gel soft candy is also referred to as soft sweets, is a kind of soft, flexible or toughness the confectionery industry,
Have transparent and translucent.Most soft sweets are all made fruity, and using gelatin, pectin,
One or more in carragheen, agar, converted starch isogel agent combination come make different taste,
The soft sweets of mouthfeel, through multiple process operations, are made with different shape, texture and fragrance, essence
The beautiful and candy of resistance to preservation.One of key character of soft sweets is that its water content is higher, generally
10%-20%.It is soft to ensure that soft sweets need to be dried the unnecessary moisture of removal after moulding by casting
Sugar obtains good mouthfeel, quality stability and edible safety, while meeting professional standard SB/T
10021《Gel candy》Middle moisture content requirement.For the soft sweets that are made using different gels and
Speech, vegetable gum type, starch glue-type, the moisture requirement of mixing glue-type soft sweets are≤18.0wt%,
Animal glue-type, other glue-type, the requirement of the moisture of interlayer type are≤20.0wt%.
At present, the measure of soft sweets moisture is more according to professional standard SB/T 10021《Gel candy》
Described in boulton process carry out, its principle is as follows:By known candy sample, vacuum is placed in
In drying box, the quality that volatile matter is determined to constant weight is dried.In the method, drying time needs
4h, from sampling, sample treatment, provides testing result and lasts about 6h.
During the continuous prodution gel soft candy of workshop, the gel soft candy that will be produced is divided into difference
Batch push-in drying shed is dried, and different batches gel soft candy is being determined using boulton process
During moisture, because every batch is required for timing to detect, its detection frequency is high, and due to single
Detection cycle can just provide result up to 6h, and the moisture for easily occurring determining reaches control standard,
But because can not in time obtain testing result, gel soft candy occurs excessive also in drying process
Dry situation so that gel soft candy product moisture content is relatively low, and soft sweets are hardened causes taste bad,
It is difficult to ensure homogeneity of product, or even defective work occurs.Also result in gel soft candy output capacity drop
It is low.Therefore, at present aborning for quickly timely gel soft candy moisture detection method is deposited
In actual demand.
The content of the invention
The present invention has made intensive studies regarding to the issue above, and being determined by using abbe's refractometer can
Dissolubility solid content, and the moisture of gel soft candy is calculated indirectly, it is achieved thereby that gel is soft
The quick detection of sugared moisture.
Especially, moisture is less than 20wt% or 18wt%, shaping after being dried for gel soft candy
Gel soft candy have stablize hard quality, it is difficult to directly using refractometer determine solubility solid
Thing content, through testing repeatedly in the present invention, using the hot water to addition proper ratio in soft sweets to soft
Sugar is uniformly dissolved, and then reuses the method that refractometer is measured, and is realized soft to gel
The quick indirect determination of sugared moisture, with method is simple, result quick and precisely the characteristics of.
To reach above-mentioned purpose, gel soft candy moisture detection method of the invention includes following step
Suddenly:
(1) to 1-1.5 times of 70-90 DEG C of deionized water of weight is added in gel soft candy sample, insert
Electromagnetic agitation, weighs;
(2) the soft sweets sample after step (1) is weighed using Electromagnetic Heating agitator is heated to
70-90 DEG C, constant temperature stirring is carried out under 500-1100rpm, until soft sweets dissolve completely;
(3) carry out to supplementing a small amount of 70-90 DEG C of deionized water in the sample after being dissolved in step (2)
Fixed weight, carries out constant temperature stirring again;
(4) sample after step (3) calmly weight is measured using refractometer, obtains soluble
Solid content;
(5) soluble solid content measured according to step (4), calculates and obtains the gel
Moisture in soft sweets sample.
In one embodiment, the temperature of the deionized water for being added in step (1) is 80 DEG C;With
/ or the deionized water addition be the gel soft candy sample 1.2 times of weight.
In one embodiment, the heating-up temperature in step (2) is 80 DEG C;Stir speed (S.S.) is
800rpm;And/or mixing time is 2min.
In one embodiment, in step (3), weighed surely to step (1) with 80 DEG C of deionized waters
The middle weight for claiming, and/or the stirring carries out 30s.
In a preferred embodiment, the method for the present invention uses abbe's refractometer in step (4)
Determine soluble solid content.
In a preferred embodiment, before the step (1), the gel soft candy sample is cut
Broken is the fragment of 2-3mm.
The testing result same industry standard SB/T of gel soft candy moisture method for quick of the present invention
10021《Gel candy》The measurement result of the boulton process of regulation is basically identical, and deviation only has ±
0.2%.In addition, using gel soft candy moisture method for quick of the invention, its detection time is only
Testing result is obtained by needing 10min, is capable of achieving to be detected immediately on production line, according to monitoring result
The drying condition of adjustment soft sweets, substantially improves production and dry efficiency and effect in time;Can and
When judge to dry terminal, it is ensured that moisture and mouthfeel keep stabilization after soft sweets are dried, it is to avoid due to
Dry deficiency or excessively produce defective products.
Specific embodiment
Soluble solid content is detected using refractometer and and then calculate that moisture is ability indirectly
One of known food water detection method of content in domain.However, the method be mainly used in beverage,
Determined on the line of the food such as jelly, jam, sweet can, honey or under line.Due to gel soft candy
Moisture it is relatively low, dried gel soft candy forming and hardening, with stablizing hard texture,
Therefore it has been generally acknowledged that being difficult to detect it by refractometer.In the prior art, have no and use folding
Light instrument carries out the quick measure of soluble solid content to gel soft candy product and calculates indirectly solidifying
The record of the moisture of glue soft sweets.
On the other hand, in the production process of gel soft candy, needed during being dried to soft sweets
At-once monitor is carried out to moisture in soft sweets, drying process condition is adjusted in time and drying is judged
Terminal.Therefore, traditional boulton process detection moisture is due to complex procedures, time-consuming tediously long
And be difficult to obtain real-time monitoring result, so as to be adversely affected to soft sweets production.
For above mentioned problem, inventor through testing surprisingly it has been found that suitable by adding repeatedly
80 DEG C of hot deionized waters of ratio and after gel soft candy is uniformly dissolved, determine solvable using refractometer
Property solid content and and then indirectly calculate moisture, can accurately and efficiently to gel soft candy sample
In moisture be measured, so as to easily realize being detected in time on production line.
The gel soft candy sample determined in the present invention, refers to gelatin, pectin, carragheen, fine jade
One or more gel in fat, adds a certain amount of white granulated sugar, malt syrup, water and endures together
The soft sweets for boiling, solid content >=80% of the soft sweets, content of reducing sugar is generally
18%-24%.
To accelerate to add the melting speed and degree of being uniformly dissolved after hot deionized water, preferably to gel
Before soft sweets sample is dissolved, the soft sweets sample is shredded into the fragment of 2-3mm with scissors.
80 DEG C of hot deionized water is used to ensure the accuracy of measurement, in the present invention, to prevent water
Middle impurity makes index of refraction change, and then influences testing result.
For dissolving for soft sweets sample, the present invention is to by microwave stove heat, heating water bath, electromagnetism
The common heater meanses of three kinds of modes of agitating heating are compared.Result is as follows:
Although by microwave stove heat can flash melt soft sweets, there is following distinct disadvantage:Its
One, dissolve it is uneven, need additionally using the instruments such as glass bar manually stirring dissolve it is uniform;Second,
Micro-wave oven is heated inequality, and the temperature after dissolving is inconsistent, and deviation is brought to measurement result.
Melting temperature can be precisely controlled substantially using water-bath, but still suffers from following distinct disadvantage:
First, the glass beaker remained on surface dissolved used by soft sweets has the water in water-bath, after dissolving
It is difficult that sample determines heave hand, and accurately cannot weigh then for measurement result brings deviation surely;Second, same
Sample there is a problem of dissolving it is uneven, need additionally using the instruments such as glass bar manually stirring dissolve it is uniform.
For it is above-mentioned using micro-wave oven, water-bath mode come dissolve soft sweets determine moisture exist
Shortcoming, soft sweets dissolved using Electromagnetic Heating agitator carry out gel soft candy moisture in the present invention and contain
The measure of amount.First, the method ensures to be uniformly dissolved using electromagnetic agitation, it is to avoid introduce
Manually operate the error brought;Secondly, which possesses accurately temperature control, it is ensured that after dissolving
Soft sweets temperature consistency.It is simultaneously simple to operate quick, with low cost, determination data stabilization.
Had no for the species of refractometer in the present invention and clearly limited, as long as commonly used in the art for
The refractometer of food inspection is used equally to the present invention.However, for accuracy, portability and quick
Considering for detection, preferably uses accuracy of detection requirement Brix ± 0.010, with perseverance in the present invention
The abbe's refractometer of temperature function.The refractometer has temperature detection, temperature-compensating and calculates digital display
Etc. function, the soluble solid content in solution easy can be rapidly directly read.However, this
Art personnel obviously also can be by the index of refraction that is read by refractometer and when determining solution temperature
Degree easily obtains the soluble solid content of the solution by calculating or conversion table.Above-mentioned calculating
Or conversion table is the conversion table it is known in the art that for example described in GBT10786-2006 standards.
Embodiment
Next, the present invention is illustrated in further detail by embodiment, but the present invention is not
It is only limitted to these embodiments.
Gel soft candy sample is from gold Supreme Being food (Shenzhen) Co., Ltd of China Oil and Food Import and Export Corporation in following examples
Self-satisfied brand soft sweets.The instrument used in detection process is as follows:Magnetic stirrer (supplier
IKA, model RCT), desk-top automatic digital display hand-held Abbe refractometer (Japan of supplier ATAGO
Love is opened up, model RX-5000 α-Plus, and precision is Brix ± 0.010, with built-in temperature incubation function,
Reach and automatically begin to after target temperature measurement), electronic scale (the rich high-accuracy electronics in way, model BT456A
Laboratory balance, precision 0.001g)
In following examples, adopt the moisture in gel soft candy sample is surveyed with the following method
It is fixed:
(1) sampled from drying shed and choose gel soft candy sample, the small of 2~3mm is cut to scissors
Fragment, weigh 15~30g (being accurate to 0.001g) insert dry after constant weight 80ml beakers in,
1-1.5 times of the 80 of weight DEG C of hot deionized waters are added, electromagnetic agitation is inserted, gross weight is recorded
It is m;
(2) the soft sweets sample after step (1) is weighed using Electromagnetic Heating agitator is heated to
70-90 DEG C, stirring is opened when soft sweets dissolve substantially, constant temperature stirring is carried out under 500-1100rpm,
Until soft sweets dissolve into the preferable solution state of mobility completely;
(3) in view of there is a small amount of moisture evaporation in gel soft candy fusion process, therefore by step (2)
In dissolve after sample be placed on high-precision electronic scale and supplement a small amount of 80 DEG C of hot deionized waters and weigh surely again
It is m, and is again placed in stirring 30s on magnetic stirrer;
(4) sample after step (3) calmly weight is measured using refractometer, measures solubility
Solid content is X1;
(5) soluble solid content measured according to step (4), calculates and obtains the gel
Moisture in soft sweets sample.
Computing formula:If (weight is set to m before soft sweets dissolveSoft sweets) soluble solid content is
X1%, then soluble solid weight is mSoft sweets×X1%;Gel soft candy adds 80 DEG C of hot deionizations
(weight is set to m to waterHot water) dissolve after its soluble solid content be determined as X2% (uses Abbe
Refractometer is determined), then soluble solid weight is (mSoft sweets+mHot water)×X2%.Because gel is soft
Sugar-like product before dissolving with dissolve after its soluble solid weight keep constant, i.e. mSoft sweets
×X1%=(mSoft sweets+mHot water)×X2%, therefore
By above-mentioned reckoning gel soft candy moisture=100%-X1%
Above-mentioned calculating is completely within the limit of power of those skilled in the art.By the formula, can
Easily the solution soluble solid content by measuring obtains soft sweets soluble solid content, from
And further calculate acquisition gel soft candy moisture.
The influence that the melting temperature of embodiment 1 uniformly dissolves to soft sweets
In the present embodiment, melting temperature is studied the influence that soft sweets uniformly dissolve, as a result
It is as shown in table 1 below:
The influence that the melting temperature of table 1 uniformly dissolves to soft sweets
It can be seen from record according to table 1, optimal soft sweets melting temperature is 80 DEG C, and temperature is less than 80 DEG C
When, dissolves uneven, and material viscosity is high, and stirrer rotates difficult, and temperature is higher than 80 DEG C, dissolves effect
It is really good, to analyze with practical conditions, too high temperature there is no need, one is so that energy consumption increases,
Two is that the moisture evaporated in fusion process is more, even if after carrying out determining weight, the higher temperature will also
So that moisture evaporates on a small quantity, deviation is carried out to measuring band.
The influence that the stir speed (S.S.) of embodiment 2 is uniformly dissolved to soft sweets
In the present embodiment, the stir speed (S.S.) to Electromagnetic Heating stirring is entered to the influence that soft sweets uniformly dissolve
Go research, it is as a result as shown in table 2 below:
The influence that the stir speed (S.S.) of table 2 is uniformly dissolved to soft sweets
Conclusion:800rpm is optimal for stirrer speed setting, and stirring is needed during rotating speed as little as 500rpm
For more time, there is the uneven risk of stirring;Rotating speed is when reaching 1100rpm although material is more
It is well mixed in short time, it is too high yet with rotating speed, micro-bubble, influence inspection are produced in material
Survey analysis.
The influence that the soft sweets of embodiment 3 and hot water ratio are uniformly dissolved to soft sweets
In the present embodiment, the weight to soft sweets and 80 DEG C of hot deionized waters compares what soft sweets uniformly dissolved
Influence is studied, as a result as shown in table 2 below:
The influence that the soft sweets of table 3 and hot water ratio are uniformly dissolved to soft sweets
Conclusion:Soft sweets and 80 DEG C of mixed weight ratios of hot water are 1:When 1.2, dissolve and work well, material
Viscosity is low, and stirrer rotates smooth.When amount of hot water is relatively low, effect is dissolved typically, material glues
Degree is slightly higher, and stirrer rotates slightly difficult;When amount of hot water is higher, because extension rate increases,
Increase measurement deviation.
The method of the present invention of embodiment 4 compares with the determination data of conventional method
In the present embodiment, for the moisture detection of same batch gel soft candy sample, this is sent out
Bright gel soft candy determination of moisture method and the vacuum drying described in professional standard SB/T 10021
Assay method is compared, as a result referring to the record of table 4 below:
The method of the present invention of table 4 compares (wt%) with the determination data of conventional method
It can be seen from the determination data that above-mentioned table 4 is recorded, contained using gel soft candy moisture of the invention
Quantity measuring method is compared with using the boulton process of professional standard SB/T 10021, and what is determined is solidifying
Glue soft sweets moisture deviation is in the range of ± 0.2wt%, and determination data is basically identical, without occur compared with
Large deviation.On the other hand, gel soft candy moisture detection method of the invention only needs 10min i.e.
Testing result can be obtained, so as to at-once monitor on production line can be realized, drying process bar is adjusted in time
Part simultaneously judges to dry terminal.Ensure moisture and mouthfeel stabilization after soft sweets drying, it is to avoid due to dry
Dry deficiency excessively produces defective products.And the boulton process in professional standard SB/T 10021 need to be gone through
When 6h can just provide result, there is detection cycle long, it is impossible in time judge dry terminal, it may occur that
A large amount of defective products are produced due to over-drying.Simultaneously because wait as long for testing result, influence life
Produce and drying efficiency.
Claims (6)
1. a kind of gel soft candy moisture detection method, the described method comprises the following steps:
(1) to 1-1.5 times of 70-90 DEG C of deionized water of weight is added in gel soft candy sample, insert
Electromagnetic agitation, weighs;
(2) the soft sweets sample after step (1) is weighed using Electromagnetic Heating agitator is heated to
70-90 DEG C, constant temperature stirring is carried out under 500-1100rpm, until the soft sweets sample dissolves completely;
(3) carry out determining weight to 70-90 DEG C of deionized water of supplement in the sample after being dissolved in step (2),
Constant temperature stirring is carried out again;
(4) sample after step (3) calmly weight is measured using refractometer, obtains soluble
Solid content;
(5) soluble solid content measured according to step (4), calculates and obtains the gel
Moisture in soft sweets sample.
2. the method for claim 1, it is characterised in that added in the step (1)
Deionized water temperature be 80 DEG C;And/or the addition of the deionized water is the gel soft candy
1.2 times of weight of sample.
3. method as claimed in claim 1 or 2, it is characterised in that in the step (2)
Heating-up temperature be 80 DEG C;Stir speed (S.S.) is 800rpm;And/or mixing time is 2min.
4. the method as any one of claim 1-3, it is characterised in that the step (3)
In, weigh the weight claimed into step (1) surely with 80 DEG C of deionized waters, and/or it is described stir into
Row 30s.
5. the method as any one of claim 1-4, it is characterised in that the step (4)
The middle refractometer for using is abbe's refractometer.
6. the method as any one of claim 1-5, it is characterised in that in the step
(1) before, the gel soft candy sample is shredded the fragment for 2-3mm.
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Cited By (3)
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CN108982283A (en) * | 2018-06-08 | 2018-12-11 | 中食检测研究院有限公司 | A kind of method of water content detection in improved jelly |
CN109696421A (en) * | 2019-02-21 | 2019-04-30 | 中山出入境检验检疫局检验检疫技术中心 | The content assaying method of total reducing sugar in cordate houttuynia broken wall particle |
CN111175252A (en) * | 2020-03-06 | 2020-05-19 | 山东省化工研究院 | Method for detecting butanone oxime content by Abbe refractometer |
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CN103630512A (en) * | 2012-08-28 | 2014-03-12 | 天津天士力现代中药资源有限公司 | Control method for water content in traditional Chinese medicine extract |
CN103884676A (en) * | 2014-02-27 | 2014-06-25 | 浙江大学 | Rapid detection method for contents of multi-index ingredients in traditional Chinese medicinal materials |
CN104390933A (en) * | 2014-11-25 | 2015-03-04 | 广西壮族自治区梧州食品药品检验所 | Rapid food and drug detection method based on near infrared technology |
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CN103060414A (en) * | 2013-01-15 | 2013-04-24 | 青岛贝尔特生物科技有限公司 | Method for preparing fish skin collagen oligopeptides by biological enzyme method |
CN103884676A (en) * | 2014-02-27 | 2014-06-25 | 浙江大学 | Rapid detection method for contents of multi-index ingredients in traditional Chinese medicinal materials |
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CN108982283A (en) * | 2018-06-08 | 2018-12-11 | 中食检测研究院有限公司 | A kind of method of water content detection in improved jelly |
CN109696421A (en) * | 2019-02-21 | 2019-04-30 | 中山出入境检验检疫局检验检疫技术中心 | The content assaying method of total reducing sugar in cordate houttuynia broken wall particle |
CN111175252A (en) * | 2020-03-06 | 2020-05-19 | 山东省化工研究院 | Method for detecting butanone oxime content by Abbe refractometer |
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