CN110394036A

CN110394036A - Food desiccant and preparation method thereof

Info

Publication number: CN110394036A
Application number: CN201910787164.6A
Authority: CN
Inventors: 王黎明
Original assignee: Wuxi Institute of Commerce
Current assignee: Wuxi Institute of Commerce
Priority date: 2019-08-25
Filing date: 2019-08-25
Publication date: 2019-11-01

Abstract

The present invention relates to a kind of infant foods desiccant, which is blended particle, anhydrous CaCl by starch instant tea powder microcrystalline cellulose₂, gelatin corpuscle mix, it is to mix the dry resulting particle of back roll after starch gelatinization with tea juice, microcrystalline cellulose that wherein starch tea juice microcrystalline cellulose, which is blended particle, is blended particle, anhydrous CaCl₂Ratio with gelatin corpuscle is respectively 50 ~ 65% ︰, 20 ~ 35% ︰ 15 ~ 30%.It is blended starch in particle and accounts for 35% ~ 60%, tealeaves solid content accounts for 25% ~ 40%, and microcrystalline cellulose accounts for 15% ~ 25%.The present invention is safe and non-toxic, only anhydrous CaCl in each ingredient₂Absorb water heat release, generates heat, and other ingredients are edible.But anhydrous CaCl in the present invention₂Content is low, and chance water thermal discharge is low, even if children eat by mistake, is also unlikely to burn Pediatric Oral Emergency and alimentary canal.

Description

Food desiccant and preparation method thereof

Technical field

The invention belongs to food processing fields, it particularly relates to a kind of food desiccant.

Background technique

Desiccant is a kind of deicer that can absorb moisture in air, and drying principles are by physics mode by hydrone It is adsorbed in self structure or hydrone is absorbed by chemical mode and changes its chemical structure.Static state based on physical absorption is dry Drying prescription has silica-gel desiccant, clay desiccant, molecular sieve desiccant, mineral agent, fiber desiccant etc..Based on chemisorption Static desiccant have calcium chloride, soda lime or phosphorus pentoxide, silicic acid etc..Common desiccant is quick lime, silicon in food Glue, calcium chloride.The main component of quick lime is calcium oxide, and water absorbing capacity is realized by chemical reaction, is had irreversible With the fast feature that absorbs water.According to the reaction equation of quick lime and water, its hygroscopic capacity is the 30% of self weight.But quick lime is met Water plays exothermic reaction, and the calcium hydroxide of generation has corrosivity.Silica-gel desiccant is nontoxic, safe and stable, but wettability power is not By force, under 20%, 40% and 60% humidity, hygroscopic capacity is 25%, 30% and the 35% of own wt respectively.Calcium chloride is because of moisture absorption Ability is strong, it is cheap be commonly used for desiccant, but lyolysis is easy after its moisture absorption, this point limits its application.In order to mention The performance and safety of high existing desiccant, some new desiccant are continuously developed out, as calcium chloride silica is compound Desiccant, calcium chloride swollen intercalation native composite drying agent, calcium chloride kaolin composite drying agent, calcium chloride bamboo charcoal composite drying agent, chlorine Change calcium glucomannans composite drying agent, calcium chloride polyvinyl alcohol composite drying agent etc. and high hydroscopic resin desiccant etc..Base It is also more in the desiccant type of starch, usually modified starch, plant ative starch or farinose mixture etc..These change Good figure desiccant, some water absorbing properties are really very high, but safety is still to be improved.Children since curiosity is strong, It often the desiccant in edible food packaging bag or is played with it, as put into water or fire is medium.Therefore, children like eating Food, desiccant should be safe and non-toxic.

Summary of the invention

A kind of the object of the present invention is to provide water absorbing capacities strong, safe and harmless novel drier.The novel foodstuff is dry Agent is particularly suitable for infant foods.

To reach the above goal of the invention, the invention adopts the following technical scheme: the food desiccant is using gelatin particle as base Material, using tea juice gelatinized starch as binder,

Particle, anhydrous CaCl are blended by starch tea juice microcrystalline cellulose₂, gelatin corpuscle mix, wherein starch tea juice crystallite is fine It is to mix the dry resulting particle of back roll after starch gelatinization with tea juice, microcrystalline cellulose that dimension, which is blended particle, is blended particle, anhydrous CaCl₂Ratio with gelatin corpuscle is respectively 50 ~ 65% ︰, 20 ~ 35% ︰ 15 ~ 30%.It is blended starch in particle and accounts for 35% ~ 60%, tealeaves Solid content accounts for 25% ~ 40%, and microcrystalline cellulose accounts for 15% ~ 25%.

The preferred amylose of starch is also possible to the higher plant amylum of amylose content, such as cornstarch.

The tea juice can be various tealeaves flooding extracts, including made tea, processing fent, dust tea, fannings.

The moisture content of this desiccant is 3.3 ~ 4.1%.It is an advantage of the invention that water absorption is big, in 60 % condition of relative humidity Under, under the conditions of 31 ~ 44 % of the reachable self weight of water absorption rate, 70 % of relative humidity, water absorption rate is relatively wet up to 45 ~ 53 % being self-possessed It spends under the conditions of 90 %, water absorption rate is 48 ~ 58 % of self weight.The present invention is safe and non-toxic, only anhydrous CaCl in each ingredient₂Water suction is put Heat, can generate heat, and other ingredients are edible.But anhydrous CaCl₂Content is low in the present invention, and chance water thermal discharge is also little, Even if children eat by mistake, also it is unlikely to burn Pediatric Oral Emergency and alimentary canal.

Specific embodiment

Embodiment 1

It takes thick old dust tea to extract in 1:8 ~ 1:10 ratio, filters to obtain tea juice, being concentrated into solid content is 4.7%, and amylose is used Concentrated tea juice gelatinization, ratio of the starch in tea juice are 11.3%, and insoluble microcrystalline cellulose 2% is then added, stirs into outstanding Turbid.Gelatin particle is placed in electric heating food blender and is stirred, mixing speed is 240 r/min, while constantly to stirring The above-mentioned suspension of sprinkling in machine, 50 mL/min/kg of spray rate, heating temperature are 80 DEG C.To gelatin particle package starch mixing Stop sprinkling when object thickness is about 3mm, continues to heat and stir, until particle surface starch mixture wrapping layer moisture content drops to 4% or less.Taking out particle and measuring wrapping layer average thickness is 2.62mm, average moisture content 3.69%.By the particle with it is anhydrous CaCl₂Mixing, mixed proportion is respectively 65% ︰ 15%.Under the conditions of 60 % of relative humidity, water absorption rate is the 27% of self weight, relatively wet It spends under the conditions of 70 %, under the conditions of 45 % of the reachable self weight of water absorption rate, 90 % of relative humidity, water absorption rate is 48 % of self weight.

Embodiment 2

Powder tea is taken, in dust tea: water is equal to 1:8 ~ 1:10 ratio and adds water, and heating 30 min of extraction filter out tea juice, are concentrated into solid Object content is 6.6 %, and pour makes starch gelatinization while hot in cornstarch, and concentration of the amylose in tea juice is 7.1%, then plus Enter insoluble 1.5 % of microcrystalline cellulose, stirs into suspension.Gelatin particle is placed in electric heating food blender with 300 r/ The speed of min stirs, while above-mentioned suspension is sprayed into blender, 30 mL/min/kg of spray rate, heating temperature 80 ℃.Stop sprinkling when gelatin particle package starch mixture thickness is about 3mm, continues to heat and stir, until particle surface Starch mixture wrapping layer moisture content drops to 4% or less.Taking out particle and measuring wrapping layer average thickness is 3.22mm, and wrapping layer is flat Equal moisture content is 3.85%.By the particle and anhydrous CaCl₂Mixing, mixed proportion is respectively 65% ︰ 15%.In 60 % of relative humidity Under the conditions of, water absorption rate is the 27% of self weight, under the conditions of 70 % of relative humidity, 45 %s, relative humidity 90 % of the water absorption rate up to self weight Under the conditions of, water absorption rate is 48 % of self weight.

Embodiment 3

Claims

1. a kind of food desiccant, it is characterized in that: being blended particle, anhydrous CaCl by starch tea juice microcrystalline cellulose₂, gelatin corpuscle it is mixed Close, the starch tea juice microcrystalline cellulose be blended particle be after starch gelatinization with tea juice, that microcrystalline cellulose mixes back roll is dry Resulting particle, it is described to be blended particle, anhydrous CaCl₂Ratio with gelatin corpuscle is respectively 50 ~ 65% ︰, 20 ~ 35% ︰ 15 ~ 30%.

2. food desiccant as described in claim 1, it is characterized in that: the starch tea juice microcrystalline cellulose is blended starch in particle 35% ~ 60% is accounted for, tealeaves solid content accounts for 25% ~ 40%, and microcrystalline cellulose accounts for the % of 15 % ~ 25.

3. food desiccant as described in claim 1, it is characterized in that: the starch is amylose.