CN1029540C - Method for preparing jelly from apple waste - Google Patents

Method for preparing jelly from apple waste Download PDF

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Publication number
CN1029540C
CN1029540C CN88109667A CN88109667A CN1029540C CN 1029540 C CN1029540 C CN 1029540C CN 88109667 A CN88109667 A CN 88109667A CN 88109667 A CN88109667 A CN 88109667A CN 1029540 C CN1029540 C CN 1029540C
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China
Prior art keywords
jelly
acid
pomace
add
sulfurous acid
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Expired - Fee Related
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CN88109667A
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Chinese (zh)
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CN1041865A (en
Inventor
程文继
陈俊新
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Yantai University
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Yantai University
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Priority to CN88109667A priority Critical patent/CN1029540C/en
Publication of CN1041865A publication Critical patent/CN1041865A/en
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Publication of CN1029540C publication Critical patent/CN1029540C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The invention discloses a method for preparing jelly with sugar content of more than 50% by using apple waste, belonging to the field of food processing. Fresh apple pomace, peel and kernels are dried to enable the water content to reach 4-9%, and then the apple pomace, peel and kernels can be stored in a dry and ventilated place for years. When the fruit jelly is prepared, the fruit jelly is washed by water, drained, inactivated enzyme, squeezed, added with tap water 3-4 times, then added with analytically pure hydrochloric acid and sulfurous acid or sulfuric acid and sulfurous acid which account for 0.1-0.6% of the total weight of the jelly, heated for hydrolysis, and the juice obtained by filter pressing is added with sugar and auxiliary materials to prepare the jelly. The method does not need vacuum concentration, and has low cost, and the obtained jelly has crystal transparent feeling and palatable sour and sweet taste.

Description

Jellied fruit making technology using apple waste
The present invention relates to a kind of food-processing method, particularly a kind of method of utilizing apple waste to make pectin jelly.
At present, making the method for jelly, manyly at home make coagulating agent or use the hawthorn gelation with sodium alginate, report recently that useful hawthorn adds and join apple leather jelly, mainly is to utilize hawthorn to be rich in the character of pectin.According to US3,622,559 patents need precipitate when making pectin, concentrate abroad; Denmark A/SK φ BENHAVNS PEKTINFABRIK(The copenhagen pectin Factory) (td), think that the main application of jelly powder is to make jelly.84 years SU1076064 patents of the Soviet Union propose to utilize bright slag fresh or sulfiting to produce the technology of pasta pectini, be that the pomace in the reactor is carried out sulfiting, with hydrolysis of 1.75atm live steam and blanching, need a whole set of complicated process equipment, obtained pasta pectini, in vacuum, be condensed at last the pasta pectini that dry matter content reaches 10-12% and make jelly etc. again.Above method all adopts the sulfurous acid hydrolysis, because the complexity of technology is unsuitable for small business and township enterprise and produces.
The objective of the invention is to make full use of pomace, skin and examine these waste materials, oven dry through mixed-acid hydrolysis, need not purify and concentrate, and makes the apple jelly of the sour and sweet palatability with transparent feel with simple and easy method, thereby makes waste material become precious, reaches the purpose of long-term production.
The present invention finishes as follows: make raw material with fresh pomace or through the bright slag of sulfurous acid corrosion-resistant, skin and nuclear, through 70-90 ℃ of temperature oven dry (or drying), make dried slag water content reach 4-9%, put dry ventilation and preserve throughout the year.During making, take by weighing the proper amount of dry slag, with water logging from the beginning, wash, steep, drain, add the 90-100 ℃ of hot water enzyme that goes out and live, extract, add running water again and embathe and extract, three to five times repeatedly, through 8-15 hour, flush away influenced the starch of jelly transparency.In not stating the pomace of handling and extracting, add 3 to 4 times of running water of this pomace weight, adding the analysis pure hydrochloric acid of 0.1-0.6% of gained gross weight and the mixed acid of sulfurous acid or sulfuric acid and sulfurous acid again is hydrolyzed, and the weight ratio of hydrochloric acid or sulfuric acid and sulfurous acid is 1-2: 1, in temperature is 70-85 ℃ of hydrolysis 1-1.5 hour, again through press filtration, in extruding juice, add the pulverizing white sugar of 50-65%, promptly make jelly with transparent feel.
It is simple that the present invention has method, with low cost, do not need vacuum to concentrate, and is fit to vast township enterprise and produces, and dried slag can store throughout the year, produces throughout the year, and the jelly of making has sparkling and crystal-clear transparent feel, sour and sweet palatability, and device therefor is simple, method simple and feasible, small investment.
Below with reference to embodiment the present invention is described in further detail.
Embodiment 1:
Fresh pomace, skin and nuclear are sent in drying room or the far-infrared ray drying oven, intensification reaches 85 ℃, freeze-day with constant temperature is to dried slightly, temperature is lowered gradually, reach at last about 70 ℃, stop when dried slag water content 4-9%, the disintegrating slag of this moment or clinker are inside and outside all dried faint yellow, this dried slag is put dry ventilation, preserves throughout the year.When the system pectin jelly, for example take by weighing the dried slag of 1700 grams, soak, drain twice repeatedly with running water, add about 95 ℃ of boiling water in stirring then, make the pectase deactivation, add the cold water cooling again, get slag 5100 grams after extracting, available running water embathes four times repeatedly, flush away starch is extracted at last, can increase the transparent feel of jelly.The pomace of extracting like this need add 11.2 liters in cold boiling water if take out 2800 grams, adds 20 milliliter 36.5% analysis pure hydrochloric acid after the mixing earlier, adds 12 milliliters again and analyzes the pure SO of containing 2Be 6% sulfurous acid, hydrochloric acid has high hydrolysis ability, and sulfurous acid has strong decolouring antiseptic power.Mixture is put into jacketed pan, the control hydrolysis temperature is between 70-85 ℃, behind the stirring reaction 45 minutes, add 15 milliliters of sulfurous acid again, continue to stir, total cohydrolysis adopted spiral press-down type filter press (or other filtering equipments) to carry out press filtration about 1.2 hours, use the nylon filter cloth, available individual layer or bilayer.Do not contain solid suspension and be as the criterion to leach juice, add 55% pulverizing granulated sugar in the juice of press filtration, transfer sugar-acid ratio with citric acid again, pH should be controlled at 2.0-3.5, adds a small amount of vitamin C, can increase the fruit delicate flavour, and can prevent brown stain and increase antiseptic power.As making orange flavor jelly, every box 60 grams add an emulsification flavoring orange essence approximately and get final product, and pour in the box about 20 minutes to 1 hour gelations into.Gelation hardness is inverted not come off and is not advisable to remove lid, or is as the criterion with spoonful having dug into piece.Storage life, generally more than three months, as using the sealing capsule, storage life can reach more than half a year in aeration-drying place.
Embodiment 2:
Leading portion is handled identical with embodiment 1, promptly live, extract, get and extract 5 kilograms of slags, add the 15-17 liter and contain 0.2% the sulfuric acid and the sulfurous acid aqueous solution through the enzyme of drying, embathe, go out, it is adjustable that the dosage of acid is looked the jelly color and luster, be advisable to get faint yellow jelly, add the acid back and stir hydrolysis 1.5 hours, temperature is controlled at 70-80 ℃, juice adding citric acid with the press filtration gained, transfer pH3.0, sugaring 60%, the gelation time can be in ten minutes.
Reaction pot among the present invention is stainless steel jacketed pan, the direct heating kettle of electric food warmer or coal fire, and temperature is controlled between 70-85 ℃, might not require constant temperature, preferably is controlled between 75-85 ℃ to get final product.(above percentage all is weight percentage)

Claims (1)

1, a kind ofly contain the method for sugar greater than 50% pectin jelly with what apple waste was made, comprise and use fresh pomace, skin and nuclear are made raw material, it is characterized in that, the above raw material is that 70-90 ℃ of oven dry is to dried slag water content 4-9% in temperature, it is clean that dried slag is added washing, soak, drain, adding the 90-100 ℃ of hot water enzyme that goes out lives, after extracting, add running water again and embathe and extract, 3-5 time repeatedly, through 8-15 hour, in the pomace of extracting, add 3-4 times of running water of this pomace weight, add the mixed acid of the 0.1-0.6% of gained gross weight again, this mixed acid is analytically pure hydrochloric acid and sulfurous acid or sulfuric acid and sulfurous acid, and analytically pure hydrochloric acid or sulfuric acid and sulfurous acid weight ratio are 1-2: 1, under 70-85 ℃ temperature, be hydrolyzed, got final product, and sugaring requirement jelly sugar content is 50-65% through 1-1.5 hour.
(the above percentage that does not have to specify all is weight percentage)
CN88109667A 1988-10-10 1988-10-10 Method for preparing jelly from apple waste Expired - Fee Related CN1029540C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN88109667A CN1029540C (en) 1988-10-10 1988-10-10 Method for preparing jelly from apple waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN88109667A CN1029540C (en) 1988-10-10 1988-10-10 Method for preparing jelly from apple waste

Publications (2)

Publication Number Publication Date
CN1041865A CN1041865A (en) 1990-05-09
CN1029540C true CN1029540C (en) 1995-08-23

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Application Number Title Priority Date Filing Date
CN88109667A Expired - Fee Related CN1029540C (en) 1988-10-10 1988-10-10 Method for preparing jelly from apple waste

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7070826B2 (en) * 2003-07-15 2006-07-04 Pacific Rim Marketing Limited Process and formulation for producing a multipurpose, multi-functional apple base
CN101073384B (en) * 2006-05-17 2011-04-13 烟台安德利果胶有限公司 Production of low-methoxy apple pectin
CN102174611A (en) * 2010-12-27 2011-09-07 安徽金枫果胶有限公司 Process for degreasing low methoxyl pectin
CN102161713B (en) * 2011-03-24 2015-05-13 帝斯曼(中国)有限公司 Method for continuously preparing high-purity pectin by using enzymolysis-ultrafiltration concentration-spray drying process
CN106509754A (en) * 2016-11-04 2017-03-22 中南林业科技大学 Dragon fruit peel jelly and preparation method thereof

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CN1041865A (en) 1990-05-09

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