Online acid addition method

A technology of acid material and acid liquid, which is applied in the direction of food science, etc., can solve the problems of coarse particles and easy precipitation of products, and achieve the effects of reducing degradation and denaturation, avoiding local over-acid phenomenon, and alleviating instability

Active Publication Date: 2008-11-19
INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

Take the production of acidic liquid milk or milk drinks containing casein as an example. The isoelectric point of casein is 4.6. The pH value is adjusted to below 4.2, preferably below 4.0, and the slow acid addition process makes the pH value of the feed solution not pass the isoelectric point of casein very quickly, but if the acid is added too quickly, the acidification process of the emulsion will be formed The casein particles are coarse, and the product is prone to precipitation

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Embodiment 1

[0034] Embodiment 1: Adding acid on-line produces sour milk drink

[0035] In this embodiment, the on-line acid addition method of the present invention is used to produce a formulated acidic milk drink. The raw material formula of this sour milk drink is as follows (in every 100 grams of product):

[0036] 40 grams of milk, 5 grams of white sugar, 0.05 grams of sodium tripolyphosphate, 0.20 grams of citric acid, 0.20 grams of lactic acid, 2 grams of stabilizer, 0.05 grams of essence, and the balance of water; all raw materials meet the requirements of corresponding quality standards, such as, Milk: protein ≥ 2.95%, fat ≥ 3.1%, non-fat milk solids ≥ 8.5%; white sugar: in line with national superior standards; purified water, acidity regulator: in line with corresponding national standards.

[0037] See figure 2 Shown, the technological process that utilizes on-line acid-adding method of the present invention to produce sour milk beverage mainly comprises:

[0038] 1) Raw m...

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Abstract

The invention provides an online acid adding method which adds acid liquid to a material liquid to be added with acid by adopting a Venturi tube to form an acidic material liquid. The Venturi tube includes an entrance segment, a contraction segment, a throat segment and a diffusion segment, wherein the entrance segment is connected with the pipe of the material liquid to be added with acid; the diffusion segment is connected with a static mixer; and an acid liquid inlet is arranged on the throat segment of the Venturi tube. The online acid adding method comprises the following steps: introducing the material liquid to be added with acid into the Venturi tube from the entrance segment, and flowing to contraction segment, the throat segment and the diffusion segment; and introducing the acid liquid from the throat segment of the Venturi tube into the Venturi tube, online mixing with the material liquid flowing to the diffusion segment to form the acidic material liquid, and flowing to the static mixer through the diffusion segment for further mixing. The online acid adding method can achieve good mixing effect through the dynamic quantitative mixing process of the acid liquid and the material liquid according to the ratio.

Description

technical field [0001] The invention relates to an on-line acid addition method, in particular, the invention relates to an on-line acid addition method for adding acid liquid to a feed liquid to be acidized in a liquid beverage production process to form an acid-added feed liquid method. Background technique [0002] Adding acid (or called acid adjustment) is a commonly used process in the production process of liquid beverages, especially in the production process of acidic liquid beverages, it is usually necessary to add acid liquid to the feed liquid to be acidized to form the feed liquid after adding acid, adding The purpose of the acid is mainly to adjust the pH value of the beverage, improve the flavor of the beverage, give the beverage a refreshing sweet and sour taste together with sugar, and also have a certain antibacterial effect. [0003] However, acidic liquid beverages usually contain some substances that are not tolerant to acidity, such as milk protein (mai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/56A23L2/44
Inventor 苏桄宇孙云峰王彦平
Owner INNER MONGOLIA YILI INDUSTRIAL GROUP CO LTD
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