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A technology of extruding and breaking pollen, which is applied in application, food preparation, food science, etc., can solve the problems of poor high temperature stability of pollen active ingredients, change of pollen product components and flavor, complex processing procedures, etc., to enhance product stability , Improving hygiene and safety, and the effect of simple process
Inactive Publication Date: 2011-10-26
NANJING NORMAL UNIVERSITY +1
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Problems solved by technology
Chinese patent CN1709141 comprehensively uses biological enzymatic hydrolysis method and physical method to break the wall, the processing procedure is complicated, the product is easily polluted, and the cost is high
A single extruder can complete the mixing, aging, crushing, sterilization, pre-drying, molding and other processes of raw materials in one step. In food processing, single-screw extruders, twin-screw extruders and three-screw extruders are commonly used. Extruders and screw extruders are mainly used in the food industry for the production of starch puffed foods, protein extruded foods, and puffed feeds. They can also be used as special chemical or biochemical reactors. Screw extruders are used for puffed foods The basic technical requirement of high temperature and high pressure is to produce sufficient puffed gelatinization of food, but the high temperature stability of the active ingredients of pollen is poor. Technologies have significantly different technical requirements
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Embodiment 1
[0027] Example 1, 3.0 kg of pine pollen was soaked in normal water for several minutes, the upper layer of pollen was taken, filtered until dry, the operating temperature of the food screw extruder was controlled not to be higher than 60°C, the stroke of the twin-screw was 150 cm, and the variable frequency of the main motor was 10.6, The speed is 40 rpm, the diameter of the discharge die is 3 mm, and pollen is continuously added to the feed port of the food screw extruder for extrusion, and the discharge port is broken wall pine pollen, dried at a microwave temperature not higher than 60 ° C for 1 hour, and crushed After passing through a 100-mesh sieve, the powdery broken wall pine pollen product is obtained, and the broken wall rate of the pine pollen is 99%.
Embodiment 2
[0028] Embodiment 2 is basically the same as Example 1, but 1.0 kg of β-cyclodextrin is added to prepare 3.98 kg of pine pollen product containing the auxiliary material β-cyclodextrin, and the wall breaking rate is 95%.
Embodiment 3
[0029] Embodiment 3 is basically the same as Embodiment 1, but 0.5 kg of β-cyclodextrin is added to prepare 3.49 kg of pine pollen product.
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Abstract
A dry extrusion wall-breaking method for pollen comprises the following steps of: (1) soaking pollen in pure water for 30 minutes and filtering the pollen to remove dust and impurities; (2) adding the pollen obtained in step (1) into a food screw extruder to extrude the pollen at a cavity temperature of between 40 and 65 DEG C, a pressure of between 2 and 12 MPa, a rotation speed of 14 to 60 R / minpollen obtained in step (1) into a food screw extruder to extrude the pollen at a cavity temperature of between 40 and 65 DEG C, a pressure of between 2 and 12 MPa, a rotation speed of 14 to 60 R / minand a stroke of 80 to 150 centimeters, and injecting out the pollen at a high speed from a die opening with a 2 to 6 millimeter diameter for wall breaking; and (3) drying the pollen for 1 to 2 hoursunder reduced pressure and filling the pollen in bags for package to obtain the product. The pollen can be pure pollen or a mixture of any several kinds of the pollen. The pollen is selected from hawthorn pollen, rape pollen, thyme pollen, buckwheat pollen, silymarin pollen, chestnut pollen, chrysanthemum pollen, orange pollen, dandelion pollen, tilia europea, pine pollen, acacia pollen, maize polhorn pollen, rape pollen, thyme pollen, buckwheat pollen, silymarin pollen, chestnut pollen, chrysanthemum pollen, orange pollen, dandelion pollen, tilia europea, pine pollen, acacia pollen, maize pollen, sunflower pollen, astragalus sinicus pollen and the like. The pollen wall-breaking efficiency of the method is up to 99 percent. The sanitation, safety and stability of the pollen product are improved. The method is simple in process, can be operated continuously and is high in yield.
Description
technical field [0001] The invention relates to a technical method for pollen dry extrusion wall breaking, which belongs to the technical field of pollen application. Background technique [0002] Pollen is rich in nutrients and a variety of biologically active substances. It is known as a "complete nutrient". It has many functions such as anti-oxidation, anti-fatigue, and blood lipid regulation. Based on food, medicine, chemical industry, agriculture and animal husbandry and other industries. [0003] Mature pollen has a tough cell wall (composed of sporopollenin, pectin and cellulose, etc.), of which sporopollenin (C 98 h 22 o 24 ) has acid resistance, alkali resistance, high temperature resistance and high pressure resistance, as well as physical and chemical properties that are very stable to gastric acid and other digestive system enzymes, which limits the human body's digestion and absorption of effective substances in pollen. [0004] At present, there are many te...
Claims
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