Light-yellow odourless degreasing silkworm pupa protein power and preparation method thereof
A technology of silkworm chrysalis protein powder and silkworm chrysalis protein, which is applied in the field of silkworm chrysalis protein powder, can solve the problems of unfavorable green and clean production of silkworm chrysalis protein products, unsatisfactory decolorization effect, and large loss of silkworm chrysalis protein, and achieve good deodorization and decolorization effect, good adsorption exchange Capacity, not easy to damage the effect of degreasing rate
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Embodiment 1
[0031] A light yellow, odorless, defatted silkworm chrysalis protein powder and a preparation method thereof. The concrete steps of described preparation method are:
[0032] Step 1. Silkworm chrysalis pretreatment
[0033] Remove the pupal skin and glands of the silkworm pupae, soak them in dilute hydrochloric acid for 30 minutes, wash them with water until the pH is neutral, and obtain the wet pupae; then dry the pupae at 60°C and crush them to a particle size of 260 μm, to obtain coarse silkworm chrysalis powder.
[0034] Step 2, preparation of defatted crude pupa protein powder
[0035] Add 1 part of crude silkworm chrysalis powder to 11 parts of degreasing solvent, stir for 2-5 minutes, and perform ultrasonic degreasing treatment at 40°C for 27 minutes; then centrifuge at 10000r / min to obtain degreasing liquid and defatted crude pupa protein; Then, the defatted crude pupae protein was dried at 60° C. and crushed to a particle size of 260 μm to obtain defatted crude pup...
Embodiment 2
[0047] A light yellow, odorless, defatted silkworm chrysalis protein powder and a preparation method thereof. The concrete steps of described preparation method are:
[0048] Step 1. Silkworm chrysalis pretreatment
[0049] Remove the pupal skin and glands of silkworm pupae, soak them in dilute hydrochloric acid for 15-35 minutes, wash them with water until the pH is neutral, and obtain the wet pupae; then dry the pupae at 50-60°C and crush them When the particle size is 200-260 μm, thick silkworm chrysalis powder is obtained.
[0050] Step 2, preparation of defatted crude pupae protein powder
[0051] Add 1 part of coarse silkworm chrysalis powder to 8-12 parts of degreasing solvent, stir for 2-5 minutes, and perform ultrasonic degreasing treatment at 35-42°C for 15-35 minutes; then centrifuge at 8000-12000r / min to obtain Degreasing liquid and defatted crude pupae protein; then drying the defatted crude pupae protein at 50-60°C and crushing to a particle size of 200-260 μm...
Embodiment 3
[0063] A light yellow, odorless, defatted silkworm chrysalis protein powder and a preparation method thereof. The concrete steps of described preparation method are:
[0064] Step 1. Silkworm chrysalis pretreatment
[0065] Remove the pupal skin and glands of the reeled silkworm pupae, soak them in dilute hydrochloric acid for 25-45 minutes, wash with water until the pH is neutral, and obtain the wet pupae; then dry the pupae at 60-70°C and crush When the particle size is 240-300 μm, thick silkworm chrysalis powder is obtained.
[0066] Step 2, preparation of defatted crude pupae protein powder
[0067] Add 1 part of coarse silkworm chrysalis powder to 10-15 parts of degreasing solvent, stir for 2-5 minutes, and perform ultrasonic degreasing treatment at 38-45°C for 25-45 minutes; then centrifuge at 8000-12000r / min to obtain Degreasing liquid and defatted crude pupae protein; then drying the defatted crude pupae protein at 60-70°C and crushing to a particle size of 240-300 ...
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