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Compound protein bar and preparation method thereof

A compound protein and protein technology, which is applied in the field of food processing, can solve problems such as unacceptable and hardening by consumers, and achieve the effects of scientific and reasonable product formula, high protein digestibility, and reasonable amino acid ratio

Pending Publication Date: 2022-03-11
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, hardening during storage is a common and critical potential problem with high-protein foods, which can easily be difficult for consumers to accept

Method used

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  • Compound protein bar and preparation method thereof
  • Compound protein bar and preparation method thereof
  • Compound protein bar and preparation method thereof

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preparation example Construction

[0041] The thorn pear residue of the present invention is preferably obtained by self-made method, and the preparation method preferably includes: drying the thorn pear residue, removing seeds, crushing and passing through a 50-mesh sieve, and collecting components under the sieve to obtain the thorn pear residue. The present invention preferably uses far-infrared auxiliary heat pump drying equipment to dry the prickly pear residue, and the parameters are wind speed 1.0-1.5m / s, temperature 50-70°C, and far-infrared power 1.5-2.5kW.

[0042]The invention utilizes the interaction between hemp seed protein and Tenebrio molitor protein to slow down the hardening rate during storage, the product formula is scientific and reasonable, rich in nutrition, and has high antioxidant activity, especially the addition of Tenebrio molitor protein, reduces The ash content of protein bar was improved; Tenebrio molitor protein was helpful to improve the antioxidant activity of protein bar, which...

Embodiment 1

[0052] A protein bar of hemp seed protein-tenebrio molitor protein and a preparation method thereof, comprising the steps of:

[0053] Extraction of hempseed protein: First, add food-grade n-hexane (1:3, w / v) to the crushed hempseeds for degreasing, stir for 3 hours, and repeat the process three times. Then air-dry in a fume hood for 24 h at room temperature. The degreased hemp seed powder was dispersed in deionized water (1:10, w / v), adjusted to pH 11 with 6M NaOH, and continuously stirred at 25 °C for 3 h. The mixture was centrifuged at 6000 g for 15 min, and the pH of the supernatant was adjusted to 4.5 using 6M HCl and left at 4 °C overnight to precipitate the protein. The precipitate was separated by centrifugation at 6000 g for 15 min, then dispersed in distilled water and adjusted to pH 7.0. After dialysis for 3 days the mixture was lyophilized and stored at 4°C until use.

[0054] Tenebrio protein extraction: Tenebrio protein was prepared by alkali-soluble acid prec...

Embodiment 2

[0061] Except that the proportioning of Tenebrio molitor protein and hemp seed protein is different, all the other are identical with embodiment 1, and in the present embodiment, Tenebrio molitor protein is 12g and hemp seed protein is 28g.

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Abstract

The invention provides a compound protein bar and a preparation method, and relates to the technical field of food processing. According to the compound protein bar, the hemp seed protein and the tenebrio molitor protein serve as raw materials, and the prepared protein bar is rich in protein content, reasonable in amino acid proportion, capable of providing sufficient energy and high in protein digestibility; by utilizing the interaction between the hemp seed protein and the tenebrio molitor protein, the hardening rate in the storage period is slowed down, the product formula is scientific and reasonable, the nutrition is rich, the antioxidant activity is higher, and the application of the hemp seed protein and the tenebrio molitor protein in the food field is widened. The invention further provides a preparation method of the compound protein bar, and the preparation method is simple and easy to implement and suitable for home-made and industrial production.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a composite protein bar and a preparation method thereof. Background technique [0002] Hemp, also known as marijuana and hemp, is widely used in the field of medicine, and when its tetrahydrocannabinol (THC) content is less than 0.3%, it is called industrial hemp. Its seeds are rich in nutrients, including 20-25% protein, 25-35% fatty acids, 20-30% carbohydrates, calcium, potassium, phosphorus, magnesium, iron, zinc and other minerals. At present, hemp seed protein is still a by-product after extracting oil from hemp seed, and the development and utilization rate is low. The nutritional value of hemp seed protein is comparable to that of soybean protein and egg white protein. It is mainly composed of albumin and globulin, and is rich in cysteine, methionine, arginine and glutamic acid. In addition, hemp seed protein has excellent digestibility and prevents ...

Claims

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Application Information

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IPC IPC(8): A23L33/185A23L33/17
CPCA23L33/185A23L33/17A23V2002/00A23V2200/30A23V2250/542A23V2250/548A23V2250/606A23V2250/61
Inventor 邓云周学府刘仁徐敬尧尹浩钟宇王丹凤
Owner SHANGHAI JIAO TONG UNIV
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