CN105325967B - A method of reducing fried potato crisp chip oil content - Google Patents

A method of reducing fried potato crisp chip oil content Download PDF

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Publication number
CN105325967B
CN105325967B CN201510833873.5A CN201510833873A CN105325967B CN 105325967 B CN105325967 B CN 105325967B CN 201510833873 A CN201510833873 A CN 201510833873A CN 105325967 B CN105325967 B CN 105325967B
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oil content
potato
fried
crisp chip
reducing
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CN105325967A (en
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范柳萍
俞琳
李进伟
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Jiangnan University
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Jiangnan University
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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Abstract

The present invention relates to a kind of methods for reducing fried potato crisp chip oil content, belong to food intensive processing technical field.The present invention is using potato as raw material, using the mixed solution of vitamin C, citric acid and calcium oxide as color stabilizer;Using guar gum and glycerol mixed solution as plastics;It is last fried;Obtain the potato crispy chip of low oil content, not only significantly reduce the total oil content rate of product, and reduce the surface oil content and surface penetration oil content of product, there is no significant impact to other qualities of product simultaneously, meet China's food nutrition, the developing direction of safety and health, provides certain research direction to further decrease fried potato crisp chip oil content.

Description

A method of reducing fried potato crisp chip oil content
Technical field
The present invention relates to a kind of methods for reducing fried potato crisp chip oil content, belong to food intensive processing technology neck Domain.
Background technique
The primary raw material potato (scientific name: Solanum tuberosum) of potato block is that Solanaceae perennial herb is planted Object, B groups of vitamins and a large amount of good fiber quality element such as vitamin B1 rich in, B2, B6 and pantothenic acid, also contains micro member The nutrients such as element, amino acid, protein, fat and high-quality starch.Potato originates in South America andes region, Planting About B.C. 8000 to 5000 south of Peru area can be traced in training history earliest.Potato has been passed to when 16th century China.In 2010, the world wide production of potato had reached 300,000,000 2,418 ten thousand 1889 tons, and China is that the first in the world yield is big State, nearly 75,000,000 tons.The main producing region of potatoes is Southwest Mountainous Areas, northwest, the Inner Mongol and the Northeast.
Potato block is very popular in recent years because of its unique mouthfeel and fragrance as a kind of snack food, pin Amount is also increasingly soaring, and portion is huge in total snack food.The deep processing for accelerating potatoes, improves its added value, It is to speed up an important measures of potato producing region economic development.Fried based food, the favor by domestic and international consumer.But That the potato crispy chip oil content that traditional fried mode obtains is higher, long-term consumption is unfavorable to health, easily cause it is fat, The diseases such as hypertension, hyperlipidemia, it is therefore necessary to use reasonable manner, reduce its oil content to the maximum extent.Common reduction contains The method of oil cut rate has Process, predrying method and coating method.
The domestic most common method for reducing oil content is Process, by improving frying temperature, frying in frying course The technological parameters such as time optimize, but this method reduce oil content is very limited and the improvement of technique also it is cumbersome with It is not fixed.Predrying method mainly carries out preparatory moisture removal process to raw material with some drying equipments, then carries out again Frying, this can preferably reduce oil content to a certain extent, but general predrying equipment all costly and operates numerous It is trivial.Coating method mainly adds one layer of edible film on raw material surface, and it is good oxygen that membrane material, which can reduce its surface tension, Gas, carbon dioxide and grease barrier, can make the surface of fried product more smooth, reduce the broken and stomata on its surface Generation, by with polymer formed hydrogen bond increase film elongation, so as to preferably reduce oil content.Xanthan gum, melon Your bean gum, MC, HPMC, sodium alginate etc. are common plastics, but single plastics drop oil cut rate is generally 20-30%, drop oil Effect is not significant;So be badly in need of one kind can, total oil content rate, surface oil content and the surface penetration of potato crispy chip is effectively reduced The method of oil content.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of low oil content fried potato crisp chip, are effectively reduced production Total oil content rate, surface oil content and the surface penetration oil content of product, while there is no significant impact to other qualities of product.
Preparation method of the invention is shield with the mixed solution of vitamin C, citric acid and calcium oxide using potato as raw material Toner;Using guar gum and glycerol mixed solution as plastics;It is last fried.
Technical solution of the present invention the following steps are included:
1) raw material: fresh potato is cleaned and is sliced;
2) potato chips cut in step 1) color protection: is immersed in 0.4%-0.8% vitamin C, 0.8%-1.2% lemon In the color protection solution of acid and 0.6%-0.8% calcium chloride;Prevent its surface from brown stain occurs;
3) blanching: the potato chips in step 2) Jing Guo color protection is transferred into 0.2%-0.4% calcium chloride solution, in 80- Blanching 3-6min at 95 DEG C;The activity of destructive enzyme, prevents enzymatic browning;
4) it film: will be transferred to through the potato chips after blanching to 0.8%-1.2% guar gum and 6%- in step 3) In 10% glycerol mixed solution, using 38-42 DEG C of temperature, film 2-4min;The surface tension of sample is reduced, sample table is reduced Face is broken in frying course, increases the flatness of sample surfaces;
5) fried: the potato chips after above-mentioned film to be subjected to frying at normal atmospheric pressure at 160-200 DEG C, time 6-10min is obtained To the fried potato crisp chip that moisture content is 1.5%-1.8%, oil content is 20%-25%.
According to potato crispy chip prepared by the above method, wherein surface grease is 0.9%-1.4%, surface penetration grease is 18%-20%, institutional framework grease are 2.6%-2.8%.
In one embodiment of the invention, the color stabilizer includes 0.6% vitamin, 1.0% citric acid and 0.76% calcium chloride;The plastics include 1% guar gum and 8% glycerol;
In one embodiment of the invention, the blanching carries out blanching 5min under conditions of 95 DEG C.
In one embodiment of the invention, film film 3min under conditions of 40 DEG C.
In one embodiment of the invention, described that fried, deep-fat frying time 8min is carried out under conditions of 180 DEG C.
Beneficial effects of the present invention:
The present invention by cleaning, slice, color protection, blanching, is based on mixing using guar gum and glycerol using potato as raw material Solution coating side's film and frying method are closed, the potato crispy chip of low oil content is prepared, significantly reduces always containing for product Oil cut rate, surface oil content and surface penetration oil content, while there is no significant impact to other qualities of product.
Specific embodiment
Embodiment 1:
By potato cleaning, slice, and it is prepared into the wafer sample that diameter is 22mm with mold, is immersed in 0.6% In the color protection solution of vitamin C, 1.0% citric acid and 0.76% calcium chloride, by above-mentioned potato block under conditions of 95 DEG C into Row blanching 5min, drains after taking-up, then sample is transferred into 1% guar gum and 8% glycerol mixed solution, in 40 DEG C of item Film 3min under part.Above-mentioned coated film sample is cooled to room temperature, fried, deep-fat frying time 8min is carried out under conditions of 180 DEG C. After above-mentioned fried sample is dried to constant temperature, the fat content in fried sample is measured by Milko-Tester.Following table is frying Situations such as potato block moisture content, oil content and texture.
Embodiment 2:
By potato cleaning, slice, and it is prepared into the wafer sample that diameter is 22mm with mold, is immersed in 0.4% In the color protection solution of vitamin C, 1.2% citric acid and 0.8% calcium chloride, above-mentioned potato block is carried out under conditions of 80 DEG C Blanching 6min is drained after taking-up, then sample is transferred into 0.8% guar gum and 10% glycerol mixed solution, at 42 DEG C Under the conditions of film 2min.Above-mentioned coated film sample is cooled to room temperature, frying is carried out under conditions of 160 DEG C, deep-fat frying time is 10min.After above-mentioned fried sample is dried to constant temperature, the fat content in fried sample is measured by Milko-Tester.Its oil Potato chip moisture content (1.60 ± 0.17%), surface grease oil content (1.05 ± 0.05%), institutional framework grease contain Measure (2.77 ± 0.25%), surface penetration fat content (19.78 ± 0.84%), total fat content (25.07 ± 1.02%) and Crushing force (811 ± 54.2g), all close to melon bean gum+glycerol a line data in table 1.
Embodiment 3:
By potato cleaning, slice, and it is prepared into the wafer sample that diameter is 22mm with mold, is immersed in 0.8% In the color protection solution of vitamin C, 0.8% citric acid and 0.6% calcium chloride, above-mentioned potato block is carried out under conditions of 85 DEG C Blanching 5min30s is drained after taking-up, then sample is transferred into 1.2% guar gum and 6% glycerol mixed solution, at 39 DEG C Under conditions of film 4min.Above-mentioned coated film sample is cooled to room temperature, frying is carried out under conditions of 200 DEG C, deep-fat frying time is 6min.After above-mentioned fried sample is dried to constant temperature, the fat content in fried sample is measured by Milko-Tester.It is fried Potato block moisture content (1.71 ± 0.23%), surface grease oil content (0.91 ± 0.09%), institutional framework fat content (2.54 ± 0.45%), surface penetration fat content (19.32 ± 0.98%), total fat content (22.98 ± 0.89%) and broken Broken power (799 ± 74.3g), close to melon bean gum+glycerol a line data in table 1.
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, any to be familiar with this skill The people of art can do various change and modification, therefore protection model of the invention without departing from the spirit and scope of the present invention Enclosing subject to the definition of the claims.

Claims (8)

1. a kind of method for reducing fried potato crisp chip oil content, it is characterised in that: using potato as raw material, with vitamin C, lemon The mixed solution of lemon acid and calcium chloride is color stabilizer;Using guar gum and glycerol mixed solution as plastics;It is last fried;Its Specific steps are as follows:
1) feedstock processing: fresh potato washing is sliced;
2) color protection: by the potato chips cut in step 1) be immersed in 0.4%-0.8% vitamin C, 0.8%-1.2% citric acid and In the color protection solution of 0.6%-0.8% calcium chloride;Prevent its surface from brown stain occurs;
3) blanching: the potato chips in step 2) Jing Guo color protection is transferred into 0.2%-0.4% calcium chloride solution, at 80-95 DEG C Lower blanching 3-6min;The activity of destructive enzyme, prevents enzymatic browning;
4) film: sweet to 0.8%-1.2% guar gum and 6%-10% by being transferred in step 3) through the potato chips after blanching In oily mixed solution, using 38-42 DEG C of temperature, film 2-4min;The surface tension of sample is reduced, reduces sample surfaces in oil It is broken during fried, increase the flatness of sample surfaces;
5) fried: the potato chips after above-mentioned film to be subjected to frying at normal atmospheric pressure at 160-200 DEG C, time 6-10min is contained The fried potato crisp chip that water rate is 1.5%-1.8%, oil content is 20%-25%.
2. the method according to claim 1 for reducing fried potato crisp chip oil content, it is characterised in that: according to above-mentioned side The potato crispy chip of method preparation, wherein surface grease is 0.9%-1.4%, surface penetration grease is 18%-20%, institutional framework Grease is 2.6%-2.8%.
3. the method according to claim 1 or 2 for reducing fried potato crisp chip oil content, which is characterized in that the shield Toner includes 0.6% vitamin, 1.0% citric acid and 0.76% calcium chloride.
4. the method according to claim 1 or 2 for reducing fried potato crisp chip oil content, which is characterized in that the painting Film includes 1% guar gum and 8% glycerol.
5. the method according to claim 1 or 2 for reducing fried potato crisp chip oil content, which is characterized in that the drift Scald progress blanching 5min under conditions of 95 DEG C.
6. the method according to claim 1 or 2 for reducing fried potato crisp chip oil content, which is characterized in that state film Film 3min under conditions of 40 DEG C.
7. the method according to claim 1 or 2 for reducing fried potato crisp chip oil content, which is characterized in that the oil It fries and is carried out under conditions of 180 DEG C, deep-fat frying time 8min.
8. application of any method of claim 1-2 in fried potato crisp chip.
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Publication number Priority date Publication date Assignee Title
CN106072324B (en) * 2016-06-20 2019-11-15 福建农林大学 A kind of processing method reducing fried lotus seeds percentage of damage
CN106722534A (en) * 2017-01-19 2017-05-31 江南大学 A kind of method for reducing French fried potatoes oil content
CN113100405A (en) * 2021-05-14 2021-07-13 绍兴市果哥食品科技有限公司 Low-temperature fried fruit and vegetable crisp chips and preparation method thereof
CN115152974A (en) * 2022-06-28 2022-10-11 东北农业大学 Method for reducing oil content in fried food by using sodium alginate edible coating

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CN101669608A (en) * 2009-10-13 2010-03-17 哈尔滨达紫香科技发展有限公司 New technique for vacuum freezing and frying color potato chips and color sweet potato chips
CN101961096A (en) * 2010-09-21 2011-02-02 福建省新润食品有限公司 Processing method for reducing fat content of fried potato cakes
CN102406161A (en) * 2011-11-28 2012-04-11 南京财经大学 Method for producing instant straw mushroom chips by adopting vacuum low-temperature dehydration technology
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