阅读说明：本技术 一种增稠剂及其制备方法 (Thickening agent and preparation method thereof ) 是由 夏连成 章森华 于 2019-12-05 设计创作，主要内容包括：本发明公开了一种增稠剂及其制备方法,所述增稠剂由以下原料组成：菠萝皮、乳酸菌和水；所述增稠剂由以下原料配比范围组成：菠萝皮10-20％、乳酸菌10-20％和水40-80％,所述菠萝皮渣和水的比例是1:3.5-4.5,本发明结构科学合理,使用安全方便,解决现有的环境污染,生产周期较长,效率较低,消耗大,成本高,化学腐蚀性大,纤维素损失大等问题,处理的工艺手段环境友好,来源广,且菠萝皮无公害,是食物垃圾,也可以对于环境进行保护,而对于纤维素、半纤维素、木质素和聚合度进行测量,而切片中的汁水也作为原料进行制备,降低了菠萝的损耗,提高了菠萝的使用效率。(The invention discloses a thickening agent and a preparation method thereof, wherein the thickening agent is prepared from the following raw materials: pineapple peel, lactic acid bacteria and water; the thickening agent is prepared from the following raw materials in proportion range: the pineapple peel treatment method is scientific and reasonable in structure, safe and convenient to use, solves the problems of environmental pollution, long production period, low efficiency, high consumption, high cost, high chemical corrosivity, high cellulose loss and the like in the prior art, is environment-friendly in treatment process, wide in source, nuisanceless in pineapple peel, is food waste, can protect the environment, measures cellulose, hemicellulose, lignin and polymerization degree, and takes juice in slices as a raw material for preparation, so that the loss of pineapples is reduced, and the use efficiency of pineapples is improved.)

1. A thickener characterized by: the thickening agent consists of the following raw materials: pineapple peel, lactic acid bacteria and water;

the thickening agent is prepared from the following raw materials in proportion range: 10-20% of pineapple peel, 10-20% of lactic acid bacteria and 40-80% of water.

2. The thickener of claim 1, wherein the proportion of pineapple peel residue to water is 22% to 29%.

3. A method of producing a thickener according to any of claims 1-2, comprising the steps of:

s1, crushing the pineapple peels, and then putting the pineapple peels into a beater;

s2, adding lactobacillus and water into the beater to beat, and preparing pineapple peel pulp;

s3, subpackaging after pulping, and then putting into a sterilization pot for sterilization;

s4, after sterilization, putting the mixture into a constant-temperature incubator for fermentation;

s5, after the fermentation is finished, measuring the pH value and filtering;

and S6, after filtering, cleaning and crushing again to obtain a finished product.

4. The method for preparing a thickening agent according to claim 3, wherein the split charging in step S3 is 5 parts, and the proportion of 5 parts is the same, and 5 parts of pineapple peel pulp are poured into a triangular conical flask.

5. The method for preparing a thickening agent according to claim 3, wherein after the sterilization in step S4 is completed, the mixture is cooled to normal temperature, and after lactobacillus bulgaricus is added, the mixture is placed in a constant temperature incubator at 35-45 ℃ for fermentation for 65-75 hours.

6. The method as set forth in claim 3, wherein the step S6 is carried out by pulverizing through a 100-140 mesh sieve.

7. The method of claim 3, wherein the pineapple peel pulp of step S2 and the final product of step S6 are measured for cellulose, hemicellulose, lignin and degree of polymerization.

8. The method for preparing a thickening agent according to claim 3, wherein the pineapple peel in the step S1 is prepared by the following steps:

a1, cleaning pineapples, removing soil on the surfaces, and picking out black mold parts;

a2, removing pineapple peels on the surfaces by a cutter, and cutting the peels;

a3, collecting juice during cutting, and storing together with pineapple peel after cutting.

9. The method for preparing a thickening agent according to claim 8, wherein in the step A1, the pineapple is washed by a washing machine, after soil on the surface is removed, black mold is removed by a cutter, and the pineapple peel on the dry part of the surface is also cut off;

the skin cut off by the cutter in the step A2 is in a strip shape and is cut into 1-1.5cm in length.

10. The method of claim 8, wherein the pineapple peel in step A1 is 100 g each.

Technical Field

The invention relates to the technical field of thickening agents, in particular to a thickening agent and a preparation method thereof.

Background

Pineapple, also called pineapple, is one of the four major tropical fruits in the world, the output is huge, pineapple peel residue is the main waste material produced in the pineapple processing process, is discarded in the environment, not only causes a large amount of resource waste, but also can aggravate the environmental pollution degree, research shows that the content of crude fiber in the pineapple peel residue reaches 66%, mainly comprises cellulose and hemicellulose, and the hemicellulose is widely researched as a novel material substrate in recent years, so that the separation and extraction of the cellulose and the hemicellulose in the pineapple peel residue has important significance;

at present, the methods for extracting cellulose as a raw material by using a thickening agent in the market are more, such as an acid method, an alkali method, an ammonium oxalate method, an ultrasonic method, a microbiological method and the like, but in the extraction methods, the reaction is complex, the cellulose loss is large, the filtering speed is slow, the reaction time is too long, the biological pretreatment time is long, the efficiency is low, the method is not suitable for industrial application, and particularly, the chemical corrosivity of the acid method, the ammonium oxalate method, the alkali method and the like is strong, and the pollution is serious.

Disclosure of Invention

The invention provides a thickening agent and a preparation method thereof, which can effectively solve the problems that the prior thickening agent on the market has more methods for extracting cellulose as a raw material, such as an acid method, an alkali method, an ammonium oxalate method, an ultrasonic method, a microbial method and the like, but the extraction methods have the defects of complex reaction, large cellulose loss, slow filtering speed, overlong reaction time, long biological pretreatment time, low efficiency and unsuitability for industrial application, particularly the acid method, the ammonium oxalate method, the alkali method and the like, and serious pollution caused by strong chemical corrosivity.

In order to achieve the purpose, the invention provides the following technical scheme: a thickener consisting of the following raw materials: pineapple peel, lactic acid bacteria and water;

the thickening agent is prepared from the following raw materials in proportion range: 10-20% of pineapple peel, 10-20% of lactic acid bacteria and 40-80% of water.

According to the technical scheme, the proportion of the pineapple peel residues to the water is 22-29%.

A preparation method of the thickening agent comprises the following steps:

s1, crushing the pineapple peels, and then putting the pineapple peels into a beater;

s2, adding lactobacillus and water into the beater to beat, and preparing pineapple peel pulp;

s3, subpackaging after pulping, and then putting into a sterilization pot for sterilization;

s4, after sterilization, putting the mixture into a constant-temperature incubator for fermentation;

s5, after the fermentation is finished, measuring the pH value and filtering;

and S6, after filtering, cleaning and crushing again to obtain a finished product.

According to the technical scheme, 5 parts of the pineapple peel pulp are subpackaged in the step S3, the proportion of the 5 parts of the pineapple peel pulp is the same, and the 5 parts of the pineapple peel pulp are poured into a triangular conical flask.

According to the technical scheme, after the sterilization in the step S4 is finished, the lactobacillus bulgaricus is cooled to normal temperature, and then the lactobacillus bulgaricus is put into a constant-temperature incubator at 35-45 ℃ for fermentation for 65-75 hours.

According to the technical scheme, the step S6 is implemented by crushing through a 100-140-mesh sieve.

According to the technical scheme, the pineapple peel pulp in the step S2 and the finished product in the step S6 are measured for cellulose, hemicellulose, lignin and polymerization degree.

According to the technical scheme, the pineapple peel in the step S1 is prepared by the following steps:

a1, cleaning pineapples, removing soil on the surfaces, and picking out black mold parts;

a2, removing pineapple peels on the surfaces by a cutter, and cutting the peels;

a3, collecting juice during cutting, and storing together with pineapple peel after cutting.

According to the technical scheme, in the step A1, the pineapples are cleaned by a cleaning machine, after soil on the surface is removed, black mold parts are removed by a cutter, and pineapple peels on dry parts on the surface are also cut off;

the skin cut off by the cutter in the step A2 is in a strip shape and is cut into 1-1.5cm in length.

According to the technical scheme, the pineapple peel in the step A1 is 100 g each time.

Compared with the prior art, the invention has the beneficial effects that: the pineapple peeling and processing method disclosed by the invention has the advantages that the structure is scientific and reasonable, the use is safe and convenient, the problems of environmental pollution, long production period, low efficiency, high consumption, high cost, high chemical corrosivity, high cellulose loss and the like in the prior art are solved, the processing process is environment-friendly, the source is wide, the pineapple peel is pollution-free, the pineapple peel is food waste and can also protect the environment, the cellulose, hemicellulose, lignin and polymerization degree are measured, the juice in the slices is also used as the raw material for preparation, the loss of the pineapple is reduced, and the use efficiency of the pineapple is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic overall process flow diagram of the present invention;

fig. 2 is a schematic view of the process flow of pineapple peel in step S1 of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.