Calcium pectinate and production method and application thereof

A production method and technology of pectin calcium, which are applied in the field of pectin calcium extraction, can solve the problems of no production of commercial pectin calcium products, no production of pectin calcium products, no production of high-methoxy pectin calcium products, etc., and achieve No toxic side effects, save energy and cost, less investment effect

Active Publication Date: 2013-06-05
广州暨南大学科技园管理有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There have been reports of using low-methoxy pectin as raw material to produce calcium pectin for use in medicines (CN 02828257.4, 200610025389.0, 201010226113.5, 201010528014.2), food (CN 99815310.9, 200680037683.1; US ​​6261618 B1) and other products, although from these reports , it can be considered that pectin calcium products are safe; but there is currently no production of commercial pectin calcium products, especially no reports on the production of high-methoxyl pectin calcium products
[0004] In addition, pectin calcium has been widely used as a reactant or semi-finished product in the fields of food, cosmetics, medicine, and chemical industry to produce pectin (CN 200610025389.0, 201010226113.5, 201010528014.2, 99815310.9, 200680037683.1; US ​​6261618 B1), modified pectin, pectin Glue hydrolyzate, galacturonic acid, but there is no report on the production of pectin calcium from the above-mentioned agricultural and sideline product waste or waste

Method used

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  • Calcium pectinate and production method and application thereof
  • Calcium pectinate and production method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 (production process such as figure 1 shown)

[0035] After crushing 100Kg of dried citrus peels, sieve them to obtain particles with a particle size of 20 mesh, add them to 1600Kg of water, boil for 15 minutes, add concentrated hydrochloric acid, adjust the pH to 2.5, keep it in a slightly boiling state for 1 hour, filter it with a cloth bag while it is hot, and take it out Serum for later use. The residue was extracted again in the same way, and the filtrates were combined to obtain about 3200Kg of acid extract.

[0036] Add 2Kg sodium sulfite and 10Kg activated carbon to the acid extract successively, stir at 40°C for 15 minutes for decolorization; then add 10Kg diatomite, stir well and filter with a filter press to obtain the filtrate; add 1mol / L ammonia water to adjust the pH of the filtrate to 7.5 , to obtain pectin extract.

[0037] Add 10mol calcium chloride to the pectin extract, stir evenly, and let it stand for 0.2h to separate the formed pecti...

Embodiment 2

[0038] Embodiment 2 (production process such as figure 1 shown)

[0039] Add 100Kg of mangosteen peel slag powder that has been extracted with more than 70% ethanol into 600Kg of water, boil for 10 minutes, add concentrated hydrochloric acid, adjust the pH to 1.5, keep it in a slightly boiling state for 0.5 hours, filter it with a cloth bag while it is hot, and obtain the acid extract About 600Kg.

[0040] Add 0.5Kg sodium bisulfite and 3Kg activated carbon to the acid extract successively, stir and decolorize at 60°C for 30min; then add 6Kg diatomaceous earth, stir well and filter with a filter press to obtain the filtrate; add 1mol / L NaOH to adjust The pH of the filtrate was 10, and a pectin extract was obtained.

[0041] Add 15 mol calcium dihydrogen phosphate to the pectin extract, stir evenly, and let stand for 1 hour to separate the formed calcium pectin solution. The supernatant is removed, and the flocculated and precipitated pectin calcium is squeezed to remove wat...

Embodiment 3

[0042] Embodiment 3 (production process such as figure 1 shown)

[0043]Add 100Kg of fresh dragon fruit peel powder to 300Kg of water, boil for 5 minutes, add concentrated hydrochloric acid, adjust the pH to 2.5, keep it in a slightly boiling state for 1.5 hours, filter it with a cloth bag while it is hot, and obtain about 300Kg of acid extract.

[0044] Add 0.3Kg sodium bisulfite and 1.5Kg activated carbon to the acid extract in turn, stir and decolorize at 50°C for 30min; then add 4Kg diatomaceous earth, stir well and filter with a filter press to obtain the filtrate; add 1mol / L NaOH to adjust The pH of the filtrate was 8.5, and a pectin extract was obtained.

[0045] Add 10 mol of calcium hydroxide to the pectin extract, stir evenly, and let stand for 1 hour to form layers of pectin calcium solution. The supernatant is removed, and the flocculated and precipitated pectin calcium is squeezed to remove water by using a plate and frame press to obtain a pectin calcium filter...

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Abstract

The invention belongs to the field of agricultural product deep processing, and discloses a calcium pectinate production method. According to the method, raw materials are composed of agricultural and sideline product wastes or waste materials, namely citrus pericarp, lemon pericarp and imperfect fruits, shaddock peel, silkworm excrement, mangosteen peel after polyphenol is extracted, dragon fruit pomace and peel, apple pomace and peel, pineapple pomace and peel and the like, the raw materials are subjected to processes of crushing, screening, acid extracting, juice processing, neutralization, calcification flocculent precipitate, dewatering, prilling, drying and the like, and the method can be used for producing jellies, pectin, modified pectin, pectin hydrolysate, galacturonic acid and other calcium pectinate products or calcium supplement health-care food. Compared with an alcohol precipitation method, the flocculation precipitate method in the method is low in energy consumption and cost. Compared with calcium pectinate obtained through the alcohol precipitation, the calcium pectinate produced using the production method is high in biosafety degree and free of toxic and side effects.

Description

technical field [0001] The invention belongs to the field of deep processing of agricultural products, in particular to a method of extracting polyphenols from citrus peels, lemon peels and defective fruits, grapefruit peels, apple peels, apple pomace, silkworm excrement, pitaya pomace and peels, mangosteen peels, pineapple A method for extracting pectin calcium from agricultural by-product waste or waste such as slag and skin. Background technique [0002] Pectin is one of the important components of plant cell walls, and there are a lot of pectin substances in plants in nature. For example, there is a large amount of pectin in agricultural and sideline product waste or waste such as citrus peel, citrus green fruit, various pomace, beet pulp, soybean hulls, and silkworm excrement. But these pectins that exist in the plant cell walls have not been rationally utilized except that by-products such as the peels and pomace of a small part of apples and citrus are used to extrac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/06A23L1/09
Inventor 黄雪松
Owner 广州暨南大学科技园管理有限公司
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