CN104543846A - Preparation method of instant pumpkin powder - Google Patents

Preparation method of instant pumpkin powder Download PDF

Info

Publication number
CN104543846A
CN104543846A CN201510045146.2A CN201510045146A CN104543846A CN 104543846 A CN104543846 A CN 104543846A CN 201510045146 A CN201510045146 A CN 201510045146A CN 104543846 A CN104543846 A CN 104543846A
Authority
CN
China
Prior art keywords
pumpkin
enzymolysis
instant
mentioned
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510045146.2A
Other languages
Chinese (zh)
Inventor
郭锦杰
张晓辉
陈宏坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAMIN FOODSTUFF (ZHANGZHOU) Co Ltd
Original Assignee
DAMIN FOODSTUFF (ZHANGZHOU) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DAMIN FOODSTUFF (ZHANGZHOU) Co Ltd filed Critical DAMIN FOODSTUFF (ZHANGZHOU) Co Ltd
Priority to CN201510045146.2A priority Critical patent/CN104543846A/en
Publication of CN104543846A publication Critical patent/CN104543846A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L19/00Products from fruits or vegetables; Preparation or treatment thereof
    • A23L19/01Instant products; Powders; Flakes; Granules
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A23L29/35Degradation products of starch, e.g. hydrolysates, dextrins; Enzymatically modified starches
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Molecular Biology (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The invention discloses a preparation method of instant pumpkin powder. Fresh pumpkins are used as raw materials and the preparation method comprises the steps of selecting and sorting, carrying out pretreatment, crushing, cooking, pulping, performing first enzymolysis by use of cellulose and amylase, performing second enzymolysis by use of pectinase, adding with modifying agents, carrying out UHT (Ultra High Temperature) sterilization and drying. According to the preparation method, the two-step enzymolysis process is adopted to solve the technical problem that the pumpkin pulp has poor mobility, most of celluloses and colloids in the raw pulp can be decomposed, the contents of the nutritional ingredients are increased, and the instant pumpkin powder has high yield, fine mouthfeel and rich nutrition.

Description

A kind of preparation method of instant pumpkin powder
Technical field
The present invention relates to deep-processing technical field of agricultural products, be specifically related to a kind of preparation method of instant pumpkin powder.
Background technology
Pumpkin powder is nutritious and unique, except containing except squash polyoses, multiple free amino acid, multivitamin, multiple mineral nutrition etc., also containing several physiological active substances such as a large amount of cucurbitine, trigonellines, be known as collection food both at home and abroad, health products are nutriment all over the body.Pumpkin has certain auxiliary therapeutic action to diabetes, hypertension, high fat of blood, obesity etc.; Good health-care effect is had to gastric ulcer, atherosclerotic etc.Pumpkin fruit is processed into pumpkin powder, not only can makes full use of pumpkin resource, improve the processing added value of pumpkin, also can retain the nutritional labeling in pumpkin simultaneously to greatest extent.
Existing pumpkin powder processing technology processes for soaking the rear powder crushing process of oven dry, and products taste is coarse, and dissolubility is bad, and brew and palatability are all poor, is difficult to meet people's needs; And in enzymolysis process, the single enzymolysis of a large amount of use, enzymolysis efficiency is low.In addition, the pumpkin powder starch burn degree made by common process is low, can not directly use, usually only as the raw material of deep processed product.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the processing method of the instant pumpkin powder providing a kind of delicate mouthfeel, instant capacity good.
For achieving the above object, the present invention adopts following technical scheme:
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become pumpkin particle by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 10-30% in above-mentioned pumpkin particle, uses jacketed pan, at temperature 95-100 DEG C, boiling 30-35min;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, and obtain pumpkin slurries;
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.5-2.5% and the amylase of 0.5-1.5% in above-mentioned pumpkin slurries, then at temperature 57-62 DEG C, primary enzymolysis 35-40min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 1.0-3.5% in above-mentioned primary enzymolysis liquid, then at temperature 47-50 DEG C, secondary enzymolysis 50-60min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.0-2.0% and the maltodextrin of 90-120%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 130-135 DEG C, sterilizing 8-10 second;
UHT stores bucket and has crossed a collection of crushed pumpkin, need be clean with hot water injection, and within every 4 hours, change a liquid in-out pipe, every 8 hours to system sterilization once;
9) dry: the pumpkin slurries after sterilizing to be dried to water content and to be less than 5.0%, obtain instant pumpkin powder.Wherein, described drying should complete in one hour after sterilization.
Described step 2) pumpkin grain diameter after fragmentation is less than 1cm.
Described digestion process, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously.
Pumpkin grain diameter in slurries after described making beating is 2-50 μm.
Described drying is spraying dry or freeze drying.
Described spray-dired EAT is 175-185 DEG C, and leaving air temp is 100-106 DEG C.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
The present invention adds modifying agent sodium bicarbonate and maltodextrin in preparation process.Wherein, sodium bicarbonate can remove the tart flavour that pumpkin powder produces after enzymolysis, increases the mouthfeel of pumpkin powder simultaneously, and contributes to the delicate fragrance retaining natural pumpkin.
Maltodextrin, effectively can reduce the viscosity of pumpkin slurries, and add appropriate maltodextrin before spray drying, thus avoid and add a large amount of water when pre-treatment and in the loaded down with trivial details technique of spraying stage needs by concentrated increase crushed pumpkin juice concentration, improve the rate of drying of follow-up dry run, substantially reduce the production process route of pumpkin powder; Also can reduce the loss of Vc and beta carotene simultaneously, be conducive to preserving fragrance and local flavor.
The present invention adopts above technical scheme, and pumpkin, after fragmentation, boiling, making beating, adopts two step enzymolysis process, then adds modifying agent, obtains instant pumpkin powder of the present invention after sterilizing, drying.The present invention by two step enzymolysis process (primary enzymolysis, secondary enzymolysis), the enzymolysis while of solving single enzyme enzymolysis specific aim not strong and multiple enzyme, the problems such as enzymolysis efficiency is not high.The complex enzyme one (cellulase and amylase) that primary enzymolysis of the present invention uses can solve the technological problems of pumpkin slurries poor fluidity greatly, prevents crushed pumpkin blocking pipe; The pectase that secondary enzymolysis uses can make most of cellulose and gum components in crushed pumpkin be decomposed, and improves nutrient composition content, and can improve fragrance and the mouthfeel of pumpkin powder.The pumpkin powder yield that the inventive method is produced is high, and powder is tiny loose, and good fluidity, instant free from admixture, product rehydration is good, and delicate mouthfeel is nutritious.
Detailed description of the invention
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become particle diameter to be less than the pumpkin particle of 1cm × 1cm by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 10-30% in above-mentioned pumpkin particle, uses jacketed pan, at temperature 95-100 DEG C, boiling 30-35min; Period, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, obtain pumpkin slurries, the pumpkin grain diameter in the slurries after described making beating is 2-50 μm.
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.5-2.5% and the amylase of 0.5-1.5% in above-mentioned pumpkin slurries, then at temperature 57-62 DEG C, primary enzymolysis 35-40min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 1.0-3.5% in above-mentioned primary enzymolysis liquid, then at temperature 47-50 DEG C, secondary enzymolysis 50-60min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.0-2.0% and the maltodextrin of 90-120%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 130-135 DEG C, sterilizing 8-10 second;
9) dry: the pumpkin slurries after sterilizing to be dried to water content and to be less than 5.0%, obtain instant pumpkin powder; Wherein, described drying should complete in one hour after sterilization.
Described drying is spraying dry or freeze drying.
Described spray-dired EAT is 175-185 DEG C, and leaving air temp is 100-106 DEG C.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
Embodiment 1
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become particle diameter to be less than the pumpkin particle of 1cm by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 20% in above-mentioned pumpkin particle, uses jacketed pan, at temperature 95-100 DEG C, boiling 30min; Period, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, obtain pumpkin slurries, the pumpkin grain diameter in the slurries after described making beating is 25 μm.
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.8% and the amylase of 0.5% in above-mentioned pumpkin slurries, then at temperature 57 DEG C, primary enzymolysis 40min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 1.0% in above-mentioned primary enzymolysis liquid, then at temperature 47 DEG C, secondary enzymolysis 60min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.5% and the maltodextrin of 120%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 130 DEG C, sterilizing 10 seconds;
9) dry: the pumpkin slurries after sterilizing are carried out spraying dry, and arranging EAT is 180 DEG C, and leaving air temp is 103 DEG C, is dried to water content and is less than 5.0%, obtains instant pumpkin powder; Wherein, described drying should complete in one hour after sterilization.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
Comparative example 1
Enzymolysis process adds cellulase, amylase and pectase simultaneously, and at temperature 47-50 DEG C, enzymolysis 50-60min, other adopt the method identical with embodiment 1, obtain pumpkin powder.
Soluble sugar before and after table 1 pumpkin slurries enzymolysis and total solids content contrast
As shown in Table 1, the present invention uses complex enzyme one (cellulase and amylase) and enzyme two (pectase) to carry out twice enzymolysis to pumpkin slurries, and contrast with the result of embodiment 1 (not stepwise discretization), result shows: after stepwise discretization, soluble sugar and solid content add 85.7% and 27.5% respectively, be significantly higher than the result of not stepwise discretization, namely enzymolysis efficiency is substantially increased, most of cellulose and gum components in crushed pumpkin are decomposed, improve nutrient composition content, and fragrance and the mouthfeel of pumpkin powder can be improved, powder is tiny loose, instant free from admixture, product rehydration is good, delicate mouthfeel, nutritious.
Embodiment 2
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become particle diameter to be less than the pumpkin particle of 1cm by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 10% in above-mentioned pumpkin particle, uses jacketed pan, at warm 95-100 DEG C, boiling 35min; Period, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, obtain pumpkin slurries, the pumpkin grain diameter in the slurries after described making beating is 2 μm.
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.5% and the amylase of 1.0% in above-mentioned pumpkin slurries, then at temperature 62 DEG C, primary enzymolysis 35min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 3.5% in above-mentioned primary enzymolysis liquid, then under temperature 50 C, secondary enzymolysis 50min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.0% and the maltodextrin of 90%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 135 DEG C, sterilizing 8 seconds;
9) dry: the pumpkin slurries after sterilizing are carried out spraying dry, and arranging EAT is 175 DEG C, and leaving air temp is 100 DEG C, is dried to water content and is less than 5.0%, obtains instant pumpkin powder; Wherein, described drying should complete in one hour after sterilization.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
Comparative example 2
Enzymolysis process adds cellulase, amylase and pectase simultaneously, and at temperature 47-50 DEG C, enzymolysis 50-60min, other adopt the method identical with embodiment 2, obtain pumpkin powder.
Soluble sugar before and after table 2 crushed pumpkin enzymolysis and total solids content contrast
As shown in Table 2, the present invention uses complex enzyme one (cellulase and amylase) and enzyme two (pectase) to carry out twice enzymolysis to pumpkin slurries, and contrast with the result of embodiment 2 (not stepwise discretization), result shows: after stepwise discretization, soluble sugar and solid content add 110% and 32.5% respectively, be significantly higher than the result of not stepwise discretization, namely enzymolysis efficiency is substantially increased, most of cellulose and gum components in crushed pumpkin are decomposed, improve nutrient composition content, and fragrance and the mouthfeel of pumpkin powder can be improved, powder is tiny loose, instant free from admixture, product rehydration is good, delicate mouthfeel, nutritious.
Embodiment 3
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become particle diameter to be less than the pumpkin particle of 1cm by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 30% in above-mentioned pumpkin particle, uses jacketed pan, at temperature 95-100 DEG C, boiling 30min; Period, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, obtain pumpkin slurries, the pumpkin grain diameter in the slurries after described making beating is 50 μm.
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 2.5% and the amylase of 1.5% in above-mentioned pumpkin slurries, then under temperature 60 C, primary enzymolysis 40min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 2.0% in above-mentioned primary enzymolysis liquid, then at temperature 48 DEG C, secondary enzymolysis 55min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 2.0% and the maltodextrin of 100%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 133 DEG C, sterilizing 9 seconds;
9) dry: the pumpkin slurries after sterilizing are carried out spraying dry, and arranging EAT is 185 DEG C, and leaving air temp is 106 DEG C, is dried to water content and is less than 5.0%, obtains instant pumpkin powder; Wherein, described drying should complete in one hour after sterilization.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
Comparative example 3
Enzymolysis process adds cellulase, amylase and pectase simultaneously, and at temperature 47-50 DEG C, enzymolysis 50-60min, other adopt the method identical with embodiment 3, obtain pumpkin powder.
Soluble sugar before and after table 3 crushed pumpkin enzymolysis and total solids content contrast
As shown in Table 3, the present invention uses complex enzyme one (cellulase and amylase) and enzyme two (pectase) to carry out twice enzymolysis to pumpkin slurries, and contrast with the result of embodiment 3 (not stepwise discretization), result shows: after stepwise discretization, soluble sugar and solid content add 102% and 35% respectively, be significantly higher than the result of not stepwise discretization, namely enzymolysis efficiency is substantially increased, most of cellulose and gum components in crushed pumpkin are decomposed, improve nutrient composition content, and fragrance and the mouthfeel of pumpkin powder can be improved, powder is tiny loose, instant free from admixture, product rehydration is good, delicate mouthfeel, nutritious.
Embodiment 4
A preparation method for instant pumpkin powder, comprises the following steps:
1) pre-treatment: choose fresh eight or nine points of ripe pumpkins, reject pumpkin that is rotten, that go rotten, after being cleaned up by pumpkin, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become particle diameter to be less than the pumpkin particle of 1cm by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 20% in above-mentioned pumpkin particle, uses jacketed pan, at temperature 95-100 DEG C, boiling 35min; Period, every 5min stirs once, avoids boiling Jiao and ensures pumpkin well-done simultaneously;
4) pull an oar: by step 3) the product beater that obtains pulls an oar, according to screen distance, the slubbing He Erdao that slags tap is divided into slag tap, (wherein primary screen screen distance is Φ 1.2mm, secondary screen screen distance is Φ 0.6mm), slubbing slag is first backfilled to boiling in digesting apparatus again through colloid mill, and two ballast aggregates are directly discarded, obtain pumpkin slurries, the pumpkin grain diameter in the slurries after described making beating is 30 μm.
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.5-2.5% and the amylase of 0.5-1.5% in above-mentioned pumpkin slurries, then at temperature 57-62 DEG C, primary enzymolysis 35min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 3.0% in above-mentioned primary enzymolysis liquid, then at temperature 47-50 DEG C, secondary enzymolysis 50min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.5% and the maltodextrin of 90%;
8) UHT sterilizing: by above-mentioned pumpkin slurries at temperature 130 DEG C, sterilizing 10 seconds;
9) dry: to be 4.0% by the crushed pumpkin liquid freeze drying after sterilizing to water content, obtain instant pumpkin powder; Wherein, described drying should complete in one hour after sterilization.
Follow-up by described pumpkin powder packaging, warehouse-in.Environment temperature during packaging controls at 25 ± 2 DEG C, humidity≤45%, and finished product packing is that the double-deck PE of internal layer packs, then uses carton external packing; MW temperature≤30 DEG C of warehouse-in storage, humidity≤65%, storage environment answers shady and cool ventilation.
Comparative example 4
Enzymolysis process adds cellulase, amylase and pectase simultaneously, and at temperature 47-50 DEG C, enzymolysis 50-60min, other adopt the method identical with embodiment 4, obtain pumpkin powder.
Soluble sugar before and after table 4 crushed pumpkin enzymolysis and total solids content contrast
As shown in Table 4, the present invention uses complex enzyme one (cellulase and amylase) and enzyme two (pectase) to carry out twice enzymolysis to pumpkin slurries, and contrast with the result of embodiment 4 (not stepwise discretization), result shows: after stepwise discretization, soluble sugar and solid content add 100% and 34.2% respectively, be significantly higher than the result of not stepwise discretization, namely enzymolysis efficiency is substantially increased, most of cellulose and gum components in crushed pumpkin are decomposed, improve nutrient composition content, and fragrance and the mouthfeel of pumpkin powder can be improved, powder is tiny loose, instant free from admixture, product rehydration is good, delicate mouthfeel, nutritious.

Claims (6)

1. a preparation method for instant pumpkin powder, is characterized in that: it comprises the following steps:
1) pre-treatment: after pumpkin is cleaned up, peeling, removes seed;
2) broken: to go the pumpkin crusher in crushing after seed to become pumpkin particle by above-mentioned;
3) boiling: the water adding broken rear pumpkin particle weight 10-30% in above-mentioned pumpkin particle, at temperature 95-100 DEG C, boiling 30-35min;
4) pull an oar: the product beater above-mentioned boiling obtained is pulled an oar, and obtains pumpkin slurries;
5) primary enzymolysis: add the cellulase of crushed pumpkin liquid solid content 1.5-2.5% and the amylase of 0.5-1.5% in above-mentioned pumpkin slurries, then at temperature 57-62 DEG C, primary enzymolysis 35-40min, obtains primary enzymolysis liquid;
6) secondary enzymolysis: the pectase adding crushed pumpkin liquid solid content 1.0-3.5% in above-mentioned primary enzymolysis liquid, then at temperature 47-50 DEG C, secondary enzymolysis 50-60min, obtains secondary enzymolysis liquid;
7) modifying agent is added: in above-mentioned secondary enzymolysis liquid, add the sodium bicarbonate of crushed pumpkin liquid solid content 1.0-2.0% and the maltodextrin of 90-120%;
8) ultra high temperature short time sterilization: by above-mentioned pumpkin slurries at temperature 130-135 DEG C, sterilizing 8-10 second;
9) dry: the pumpkin slurries after sterilizing to be dried to water content and to be less than 5.0%, obtain instant pumpkin powder.
2. the preparation method of a kind of instant pumpkin powder according to claim 1, is characterized in that: described step 2) pumpkin grain diameter after fragmentation is less than 1cm.
3. the preparation method of a kind of instant pumpkin powder according to claim 1, is characterized in that: described digestion process, and every 5min stirs once.
4. the preparation method of a kind of instant pumpkin powder according to claim 1, is characterized in that: the pumpkin grain diameter in the slurries after described making beating is 2-50 μm.
5. the preparation method of a kind of instant pumpkin powder according to claim 1, is characterized in that: described drying is spraying dry or freeze drying.
6. the preparation method of a kind of instant pumpkin powder according to claim 5, it is characterized in that: described spray-dired EAT is 175-185 DEG C, leaving air temp is 100-106 DEG C.
CN201510045146.2A 2015-01-29 2015-01-29 Preparation method of instant pumpkin powder Pending CN104543846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510045146.2A CN104543846A (en) 2015-01-29 2015-01-29 Preparation method of instant pumpkin powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510045146.2A CN104543846A (en) 2015-01-29 2015-01-29 Preparation method of instant pumpkin powder

Publications (1)

Publication Number Publication Date
CN104543846A true CN104543846A (en) 2015-04-29

Family

ID=53061769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510045146.2A Pending CN104543846A (en) 2015-01-29 2015-01-29 Preparation method of instant pumpkin powder

Country Status (1)

Country Link
CN (1) CN104543846A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105124468A (en) * 2015-09-24 2015-12-09 湖北文理学院 Method for preparing instant pumpkin powder by enzymolysis-assisted spray drying process
CN105558740A (en) * 2016-01-15 2016-05-11 徐州工程学院 Pumpkin and Chinese yam compounded instant solid beverage and making technology thereof
CN106539011A (en) * 2016-10-13 2017-03-29 浙江省农业科学院 A kind of enzyme solution of pickled cabbage
CN106962731A (en) * 2017-03-14 2017-07-21 湖北百谷优选电子商务有限公司 The preparation method of instant dehydrated potato powder solid beverage and instant dehydrated potato powder solid beverage
CN107156726A (en) * 2017-06-13 2017-09-15 邢夺伟 A kind of white peach can of Rose Essentielle tune
CN109953232A (en) * 2019-04-15 2019-07-02 广西农业职业技术学院 A kind of production method of pumpkin Chinese yam composite clarification beverage
CN110050931A (en) * 2019-04-15 2019-07-26 广西农业职业技术学院 A kind of production method of pumpkin Chinese yam compound solid beverage
CN110101044A (en) * 2019-06-05 2019-08-09 安徽栋泰农业科技发展有限公司 A kind of preparation method of nutrition pumpkin whole powder
CN112914053A (en) * 2021-03-08 2021-06-08 保定海康食品制造有限公司 Pumpkin powder
CN115349614A (en) * 2022-08-15 2022-11-18 宝得瑞(湖北)健康产业有限公司 Instant nutrient pumpkin powder with good stability and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002610A (en) * 2007-01-31 2007-07-25 河北农业大学 Pumpkin powder and processing method thereof
CN102835633A (en) * 2012-09-19 2012-12-26 民勤县潭龙食品有限公司 Pumpkin powder production process
CN103393026A (en) * 2013-07-22 2013-11-20 北京宝得瑞食品有限公司 Method for producing whole pumpkin powder through enzymolysis technology

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101002610A (en) * 2007-01-31 2007-07-25 河北农业大学 Pumpkin powder and processing method thereof
CN102835633A (en) * 2012-09-19 2012-12-26 民勤县潭龙食品有限公司 Pumpkin powder production process
CN103393026A (en) * 2013-07-22 2013-11-20 北京宝得瑞食品有限公司 Method for producing whole pumpkin powder through enzymolysis technology

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴青林等: "《农家科学致富500法》", 28 February 2011 *
王花丽等: "酶解法制备高含量可溶性糖南瓜粉中试研究", 《食品工业》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105124468A (en) * 2015-09-24 2015-12-09 湖北文理学院 Method for preparing instant pumpkin powder by enzymolysis-assisted spray drying process
CN105558740A (en) * 2016-01-15 2016-05-11 徐州工程学院 Pumpkin and Chinese yam compounded instant solid beverage and making technology thereof
CN106539011A (en) * 2016-10-13 2017-03-29 浙江省农业科学院 A kind of enzyme solution of pickled cabbage
CN106962731A (en) * 2017-03-14 2017-07-21 湖北百谷优选电子商务有限公司 The preparation method of instant dehydrated potato powder solid beverage and instant dehydrated potato powder solid beverage
CN107156726A (en) * 2017-06-13 2017-09-15 邢夺伟 A kind of white peach can of Rose Essentielle tune
CN109953232A (en) * 2019-04-15 2019-07-02 广西农业职业技术学院 A kind of production method of pumpkin Chinese yam composite clarification beverage
CN110050931A (en) * 2019-04-15 2019-07-26 广西农业职业技术学院 A kind of production method of pumpkin Chinese yam compound solid beverage
CN110101044A (en) * 2019-06-05 2019-08-09 安徽栋泰农业科技发展有限公司 A kind of preparation method of nutrition pumpkin whole powder
CN112914053A (en) * 2021-03-08 2021-06-08 保定海康食品制造有限公司 Pumpkin powder
CN115349614A (en) * 2022-08-15 2022-11-18 宝得瑞(湖北)健康产业有限公司 Instant nutrient pumpkin powder with good stability and preparation method thereof
CN115349614B (en) * 2022-08-15 2024-04-16 宝得瑞(湖北)健康产业有限公司 Instant nutritional pumpkin powder with good stability and preparation method thereof

Similar Documents

Publication Publication Date Title
CN104543846A (en) Preparation method of instant pumpkin powder
CN102805350B (en) Method for preparing dietary fibers from wastes and byproducts generated in tangerine processing
CN106721717B (en) A preparation method of fructus Jujubae juice or fructus Jujubae concentrated clear juice containing high water soluble dietary fiber
CN101933640B (en) Lotus seed-red jujube-walnut milk beverage and preparation method thereof
CN104522809B (en) Radix Ginseng, Fructus Lycii composite health care beverage and preparation method
CN105995348B (en) Gumbo diet fiber drink and preparation method thereof
CN106957779A (en) A kind of blueberry fruit wine preparation method for extracting anthocyanidin
CN105341597A (en) Beverage rich in cereal dietary fibers and preparation method
CN111096447A (en) Tremella pulp, preparation method and application thereof, thickener and preparation method thereof
CN102224960B (en) Cyperus esculentus beverage and preparation method thereof
CN106235007B (en) Preparation method of orange rice dumpling
CN104774707A (en) Hakka rose fermented glutinous rice and brewing method thereof
CN101926496A (en) Extraction method of rosa roxburghii juice and preparation method of rosa roxburghii nutrition tablets
CN104509909B (en) Ginseng, lily composite health care beverage and preparation method
CN106262105A (en) A kind of processing method of vacuum lyophilization Fructus Cucurbitae moschatae powder
CN101978848A (en) Functional soft sweets rich in polysaccharides of phizoma phragmitis and preparation method thereof
CN102687826B (en) Chinese sorghum fermented glutinous rice and preparation method thereof
CN117137128A (en) Noni enzyme juice and preparation method thereof
CN108782770A (en) A kind of Siraitia grosvenorii almond milk and preparation method thereof
CN108669491A (en) A kind of pineapple all-fruit powder and preparation method thereof
CN105831635A (en) Konjac fruit-and-vegetable quick-frozen all-vegetable meat and preparation method thereof
CN105581203B (en) A kind of bioanalysis imitates the preparation method of fresh squeezing purple sweet potato primary pulp drink
CN103484297A (en) Kiwi fruit wine
CN105309835A (en) Waxberry slag feed for promoting growth of lobsters and preparation method thereof
CN110367424A (en) A kind of washing tremella sesame compound beverage and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150429

RJ01 Rejection of invention patent application after publication