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Method for refining yellow mealworm oil

A Tenebrio molitor and grease technology, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problems of heavy odor, high acid value, dark color of crude oil, etc., and achieve the effect of light yellow color, simple process and continuous production process

Inactive Publication Date: 2011-05-11
CHANGSHA SAIBANG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Tenebrio molitor oil is a kind of insect oil, which has a high content of phospholipids, and also contains a large amount of colloidal substances such as shellac, which makes the extracted crude oil dark in color, high in acid value and heavy in odor, so it must be refined

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Take Tenebrio molitor hair oil obtained by supercritical extraction, heat it to 60°C while stirring, filter, and collect the filtrate for future use. Heat the filtered Tenebrio molitor crude oil to 60°C while stirring, then add 3% (accounting for the crude oil weight) of water, continue stirring for 30 minutes, keep it for 8 hours, and filter to separate the colloid. With the Tenebrio molitor hair oil after degumming, adjust the oil temperature to 70°C, while stirring, add 1.33% (accounting for the weight of crude oil) NaOH solution with a mass concentration of 20% to it, continue stirring for 30min, and place in a centrifuge Centrifuge at a speed of 2500r / min for 10min in the machine, and then separate the grease. Add 5% (accounting for crude oil weight) activated carbon to the deacidified Tenebrio molitor hair oil for decolorization, and the decolorization time is 20min. The decolorized Tenebrio molitor oil was placed in a vacuum state of 0.1 MPa, and distilled at a ...

Embodiment 2

[0014] Take Tenebrio molitor hair oil obtained by pressing, heat to 80°C while stirring, filter, and collect the filtrate for later use. Add the phosphoric acid that accounts for the mass concentration of 0.5% of crude oil weight to the Tenebrio molitor crude oil after filtering and be 85%, in a constant temperature water bath at 60°C, stir automatically at a stirring speed of 65r / min for 30min, after degumming is completed, with Centrifuge at 5000r / min for 12min, and the upper layer oil sample is degummed Tenebrio molitor hair oil. With the Tenebrio molitor hair oil after the degumming, raise the oil temperature to 60°C, while stirring, add 1.53% (accounting for crude oil weight) to it wherein the mass concentration is the NaOH solution of 20%, after continuing to stir for 30min, place Centrifuge at a speed of 3000r / min for 5min in a centrifuge, then discard and sink to get the upper layer of grease. After deacidification, Tenebrio molitor crude oil was added with 3% white c...

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PUM

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Abstract

The invention discloses a method for refining yellow mealworm oil, which comprises the following steps of: heating the obtained yellow mealworm crude oil at the temperature of between 60 and 80 DEG C with stirring, filtering, and degumming by adding water in an amount which is 3 to 5 percent of the weight of the yellow mealworm crude oil or 85 mass percent phosphoric acid in an amount which is 0.1 to 1 percent of the weight of the yellow mealworm crude oil; regulating the oil to the temperature of between 50 and 70 DEG C, and deacidifying by adding 20 mass percent NaOH solution in an amount which is 1.33 to 1.53 percent of the weight of the yellow mealworm crude oil; decoloring by adding activated carbon in an amount which is 4 to 6 percent of the weight of the yellow mealworm crude oil or clay in an amount which is 1 to 3 percent of the weight of the yellow mealworm crude oil; and deodorizing the decolored yellow mealworm crude oil at the temperature of between 150 and 160 DEG C in avacuum state of 0.1MPa so as to prepare the refined yellow mealworm oil. The refined yellow mealworm oil is clarified and transparent, and light yellow, and has inherent aroma and taste of yellow mealworm oil and no peculiar smell; and the method is simple in process, low in equipment investment, continuous in production process and high in yield, and the product quality is easy to control.

Description

Technical field: [0001] The invention relates to an insect oil, in particular to a method for refining Tenebrio molitor oil. Background technique: [0002] Tenebrio molitor scientific name: Tenebrio molitor.Linne, alias: big yellow mealworm, rhubarb beetle, commonly known as mealworm. It belongs to the phylum Arthropoda, the class Insecta, the family Pedidae, and the genus Tenebrio, belonging to complete metamorphosis insects. It is not only a large-scale storage pest and a material for physiological and genetic experiments, but also an important resource insect with great development potential. Tenebrio molitor contains 8.6% fat, and nearly 90% of the fatty acid is C 16 ~C 18 Fatty acids, mainly unsaturated fatty acids, oleic acid accounts for more than 50%, and linoleic acid accounts for more than 25%. Its ratio of saturated fatty acid, monounsaturated fatty acid and polyunsaturated fatty acid is very close to the optimal fatty acid ratio standard for human consumption...

Claims

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Application Information

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IPC IPC(8): C11B3/04C11B3/06C11B3/10C11B3/12C11B3/00
Inventor 吴卫国熊尉杰邓彬
Owner CHANGSHA SAIBANG BIOTECH
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