CN1155990A

CN1155990A - Fruit processing method for making multiple products from one fruit

Info

Publication number: CN1155990A
Application number: CN96114211A
Authority: CN
Inventors: 彭兴国; 刘宗启
Original assignee: BEIJING CITY CANDIED FRUIT FACTORY
Current assignee: BEIJING CITY CANDIED FRUIT FACTORY
Priority date: 1996-12-19
Filing date: 1996-12-19
Publication date: 1997-08-06

Abstract

An improved method for producing fruit products features that after frozen at -15--23 deg.C, raw fruit is extruded in a dedicated apparatus composed of hopper, press disks, and hydraulic system to obtain fruit juice and complete fruit body. Said fruit juice can be used to produce different kinds of beverage. Said fruit body can be made into preserved fruit and food with unique taste. Its advantages feature high utilization rate of raw fruit and low cost.

Description

The fruit processing method of one fruit multiple products

The present invention relates to the processing method of fruit product, be specially, be processed into the method for multiple fruit product respectively with fruit juice freezing, that pressing method separates same former fruit and fruit base.

The processing method of traditional fruit product is that former fruit is removed the base of a fruit, handle, through cut open half, stoning or peeling, seed nest, scald, soak sugar through protecting look, cleaning, boiling water, boil sugar, products such as processing step processing preserved fruit such as dipping, pendulum drawer control sugar, baking, sam or local flavor fruit product; After perhaps former fruit being removed the base of a fruit, handle, protecting look, directly squeeze the juice and abandon the base slag and make fruit juice with crushing type or many series cylinders pressing method.Promptly can only be processed into a kind of fruit juice class or preserved fruit and local flavor fruit product series products with a kind of former fruit, juice of former fruit and base can not be utilized simultaneously; As process fruit juice, the base slag after squeezing the juice often is not used effectively and discards; During the processing preserved fruit, fruit juice is not used effectively yet, and makes the loss of fruit nutrition composition when scalding with boiling water.Be conventional method, a former fruit is with juice or uses base, a fruit one usefulness, and fruit juice and fruit base can not be utilized simultaneously, and cause the waste of fruit resource.

The object of the invention, a former fruit that overcomes traditional processed fruit goods is only processed the shortcoming of the method for a class fruit product, a kind of improved method is provided, make the former fruit of a kind of aquatic foods, handle through special process, after squeezing the juice, do not destroy fruit base profile, make juice and base obtain simultaneously to utilize, thereby former fruit raw material is fully used, to reach the effect that a fruit can be processed achievement base and fruit juice class fruit product simultaneously.

The inventive method is the former fruit of eighty per cant or the normal mature of not soft mashed, the no worm of will pluck, the method of making fruit product routinely with its cut open half, stoning or peeling seed nest, after protecting steps such as look cleaning, former fruit is inserted the cryogenic freezing storehouse carry out freezing processing, the freezing processing condition is-15 ℃～-23 ℃ and placed 12～30 hours, after at room temperature thawing naturally then, push and squeeze the juice, separate the original fruit juice and the complete fruit base of profile of squeezing out, again fruit juice and fruit base are processed into fruit juice class, preserved fruit and local flavor fruit product class respectively.The extruding that the inventive method is used is squeezed the juice device as shown in Figure 1, mainly stainless steel platen 2, the free wooden platen 5 that is connected with hydraulic fluid system 3 by the stainless steel hopper 4 that has sieve aperture 9, by adjustable support 1 up and down, have fluid joint 6 connect liquid bath 8, shelf 7 is formed, identical its thickness with platen 2 diameters of described platen 5 is 1.5～2 times of platen 2 thickness.Its operating procedure is that the former fruit of will thaw fully places hopper 4, and free platen 5 places above the former fruit, and primer fluid pressing system 3 is forced into 0.8～1.0 * 10 ⁵Pa drive platen 2 vertically moves down with platen 5 and contacts, and downwards former fruit is pushed by platen 5 and is squeezed the juice, and the juice of squeezing out connects liquid bath 8 through sieve aperture 9 inflows, is collected by joint door 6; After squeezing is finished, hydraulic system 3 pressure releases, platen 2 upwards moves, break away from platen 5 and return to the original place, remove platen 5, obtain complete not broken fruit base in the hopper, then, with isolated juice and fruit base, respectively according to a conventional method, being processed into can be for all kinds of fruit juice of drinking: as promptly drinking clear juice, pulp and juice and inspissated juice, all kinds of preserved fruits, the local flavor fruit product is as candied fruit, fruit bar, jam, dried fruit etc.The method of extrusion process fruit in freezing back of the present invention is applicable to that the peaceful fruit, apple, pears of the fruit of fibre-enrich such as seed fruit etc. reaches the apricot of drupe class, peach etc.

Adopt the inventive method and the special-purpose extruding device of squeezing the juice, processed fresh former fruit is fully used; Same former fruit is handled by IQF and the special-purpose device of squeezing the juice isolates fruit juice and the complete fruit base of profile all can be utilized to be processed into all kinds of fruit juice and preserved fruit and various local flavor fruit product.As the clear juice of i.e. drink that is processed into, have the color and luster suitable mutually, clear and the mouthfeel pleasant to the palate, that fruity is strong with fruit; The pulp and juice that is processed into, not only color and luster can be suitable mutually with former fruit, is mixed with pulp, and is evenly muddy, and pleasant to the palate, fruity is strong, mellow, lubricious; The inspissated juice that processes has the color and luster, concentration and the diopter that adapt with former fruit, dilutes 10 times of its mouthfeels and promptly to drink clear juice identical.Utilize preserved fruit that the complete fruit base of its isolated profile is processed into, fruit bar, local flavor dried fruit, jam etc. all to reach to utilize traditional processing method (i.e. the method for separating) to utilize that former fruit directly is processed into preserved fruit, really color and luster, fragrance, mouthfeel, the local flavor of fruit products such as bar, local flavor dried fruit, jam are in full accord without freezing processing and squeezing.And traditional method can only one fruit products similar (promptly utilize former fruit only to be processed into fruit juice and abandon the embryo slag or be processed into preserved fruit and do not utilize its fruit juice), and the inventive method is applicable to the fruit of fibre-enrich, because the juice of former fruit and embryo are utilized simultaneously and have reduced waste, thereby the resource of former fruit can be fully used, reduced the cost of fruit product, provide how cheap and good-quality fruit product thereby can be people.

Example 1

Select for use medium well, thick of freestone but not soft mashed, not overdone meat big eight reach apricot 500kg, stoning, decontamination cleans the back with clear water and soaked 20 minutes in the aqueous solution of the sodium pyrosulfite that contains 0.1 ‰ tetraacethyl disodium and 0.5%; The drop solution that anhydrates cuts open half stoning with apricot, puts into-23 ℃ cryogenic freezing storehouse, and freezing 16 hours, move to-18 ℃ of storage vaults and deposited 14 hours, then, place the normal temperature canyon to thaw, really unfreeze all up to apricot; The diameter of delivering to the device of squeezing the juice (Fig. 1) is in the stainless steel hopper (4) of 1120mm, hopper is moved to connecing on the liquid bath (8) on the shelf (7), will be on platen (5) place the apricot fruit of hopper, primer fluid pressing system 3 boosts then, platen (2) moves downward vertically and reduces support 1 to platen (5), by platen (5) apricot in the hopper was really pushed 20 minutes, 100 tons of gauge pressures, the juice of squeezing out flows into through the hopper sieve aperture and connects liquid bath (8), collects the apricot juice 275kg that squeezes out by fluid joint door (6) again; Pressure release sheds platen 5, takes out the 175kg apricot intermediate product.Then 1/3 of apricot juice is dissolved according to a conventional method → sterilizes → can → apricot drink juice finished product; Apricot juice 4 with 2/3 carries out vacuum and concentrates (30Pa70 ℃/4 hours), filtration → can → sterilization → finished product (concentrating apricot juice);

Apricot fruit base is soaked 4 hours rehydrations of mixing colours in the tetraacethyl disodium aqueous solution of 0.5% Vc and 0.1 ‰, advance formula and soak sugared method and soak sugar with contrary again to 22 ° of Baumes, pouring the liquid glucose of infuse into vacuum kettle inherent 30pa70 ℃ of boiling together with the fruit base seethed with excitement after 3 minutes, well-done until the fruit base, the fruit piece is sub-translucent, and be 27 ° of Baumes this moment; Again will the fruit piece together with liquid glucose, inserted in the container dipping 24 hours, the pendulum drawer, put down clean liquid glucose after, move into barn, with 55 ℃-65 ℃ bakings 16 hours of ventilating, promptly be processed into the preserved apricot finished product of sugar part 65%, moisture content 18%.

Example 2

Method step only replaces apricot to be processed into peach and promptly drinks peach juice, peach inspissated juice and preserved peach with example 1.

Example 3

The bright peaceful fruit 500kg that the nothing of selecting the maturity period to pluck is rotted, remove the base of a fruit, handle, skin, the seed nest, at the tetraacethyl disodium that contains 0.3 ‰, soak in the mixed aqueous solution of 0.5% sodium pyrosulfite and 0.2% Vc to clean in 20 minutes and protect look, putting into-15 ℃ of cold banks again in freezing 18 hours at-23 ℃ in the input cryogenic freezing storehouse deposited 12 hours, then, place the normal temperature canyon to unfreezing all, import in the stainless steel hopper 4 of the device (Fig. 1) of squeezing the juice, operating procedure by example 1 was pushed 20 minutes former fruit, final pressure is 100 tons, collect peaceful fruit Normal juice 340kg, fruit embryo 110kg.With the original fruit juice of squeezing out, the seasoning of mixing colours of method is routinely boiled sterilization in 5 minutes, can, is made the peaceful juice of former fruit i.e. drink with rich flavor through 80 ℃ of sterilizations in 30 minutes again; Peaceful fruit fruit base that will be after squeezing the juice soaked 20 minutes in containing 0.2% Vc, 0.1 ‰ tetraacethyl disodium mixed aqueous solutions, boil sugar to 26 ° of fruits of Baume piece and be sub-translucent, again will the fruit piece together with liquid glucose dipping 24 hours after, the pendulum drawer, with oven dry in 55 ℃ of-65 ℃ of ventilation barns to fruit piece water content 18%; Sam was placed 24 hours, vanning.Promptly be processed into sour and sweet palatability, former fruity is arranged, look pale brown is to light red, and is sub-translucent, the peaceful dried meat of total reducing sugar 65% moisture 18%.

Example 4

Method step is with example 3, and the original fruit juice after only usefulness is squeezed the juice is processed into the concentrated peaceful juice of drinking 10 times of Shi Jinke dilutions through flavouring colour-regulating, sterilization, can.

Example 5

Method step is with example 3, and only with isolated fruit embryo, salty sweet taste is routinely transferred liquid, soaked 24 hours, boils 20 minutes again, and really piece and former baste dipping is 24 hours, and the pendulum drawer was 55 ℃-65 ℃ bakings 16 hours; With stoste will the fruit piece flooded again 24 hours, toasted again 16 hours, promptly processing make sweet salty agreeable to the taste, fragrance is unique, the dark red little Huang of color and luster, peaceful emperor's local flavor fruit product of total reducing sugar 45%.

Example 6

Method step only replaces peaceful fruit with apple with example 3, and the apple base through squeezing the juice after separating is processed into preserved apple with conventional method, and local flavor dried apple slices, the juice of squeezing out are processed into promptly drinks cider; The seed nest of squeezing out is processed into jam through cleaning, protect look, well-done, mill sauce, allotment, homogeneous, sterilization.

Example 7

Method step is with example 3, only replaces peaceful fruit with pears, and processing makes pear juice, preserved pears, pears and does according to a conventional method.

Example 8

Method step is with example 1, press juice added 5% the broken fruit embryo of apricot (producing a spot of incomplete broken fruit base when extruding is squeezed the juice) and is processed into fruit pulp type apricot juice according to a conventional method.

Accompanying drawing 1 explanation:

The 1 adjustable support that moves up and down 2 stainless steel platens 3 hydraulic systems 4 stainless steel hoppers

5 wooden platen 6 fluids joint door 7 shelfs 8 connect liquid bath 9 sieve apertures

Claims

1, a kind of processing method of fruit product is cutd open former fruit half, stoning or peeling, seed nest, is protected look and clean, and it is characterized in that its freezing processing after thawing, is pushed and squeezed the juice; Then, the juice and the fruit base of squeezing out is processed into fruit juice, preserved fruit and local flavor fruit product respectively, described freezing processing is meant at-15 ℃～-23 ℃ and placed 12～30 hours down.

2, the processing method of fruit product as claimed in claim 1, it is characterized in that described extruding squeezes the juice, be meant as shown in Figure 1 mainly what connecing of the stainless steel platen 2 that is connected with hydraulic system 3 by the stainless steel hopper 4 of band sieve aperture 9, by adjustable support 1 up and down, free wooden platen 5, drag-out joint 6 carried out in the pressing device that liquid bath 8, shelf 7 formed; Its step is that the former fruit of will thaw places hopper 4, and platen 5 is placed above the former fruit, and primer fluid pressing system 3 is forced into 0.8～1.0 * 10 ⁵Pa, platen 2 vertically moves down, and squeezes the juice by 5 pairs of former fruit extruding of platen, and the juice of squeezing out connects liquid bath 8 through sieve aperture 9 inflows; Pressure release moves on the platen 2, removes platen 5, obtains the fruit base.

3, the processing method of fruit product as claimed in claim 2, the thickness that it is characterized in that described platen 5 are 1.5～2 times of platen 2 thickness.

4, the processing method of fruit product as claimed in claim 1 is characterized in that described fruit juice, can be promptly drink in clear juice, pulp and juice or the inspissated juice any, two or three.

5, the processing method of fruit product as claimed in claim 1 is characterized in that described local flavor fruit product, can be in preserved fruit, fruit bar, the dried fruit a kind of, two kinds or all.