Method for detecting peroxide value of food grease

A peroxide value and detection method technology, which is applied in material analysis by observing the influence of chemical indicators, analysis by making materials undergo chemical reactions, and measurement devices, etc., can solve the problems of inability to quickly detect, cumbersome detection procedures, etc. question

Inactive Publication Date: 2020-03-17
SUZHOU LOSH BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current peroxide value detection test paper on the domestic market can only quickly detect the peroxide value in edible oils, and cannot be used to detect the peroxide value in oil-processed foods and nut seeds. If the detection of oil-processed

Method used

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Embodiment Construction

[0011] Embodiments of the present invention are described in detail below, and the embodiments described below are exemplary and are only used to explain the present invention.

[0012] A kind of detection method of food fat peroxide value in the present embodiment is characterized in that, comprises the following steps:

[0013] S1. Soak the color-developing sheet in the color-developing solution, take it out and dry it for later use;

[0014] S2. Extract 10-15g of pulverized oil processed food or nut powder, put it on the color-developing sheet, and cover it with aluminum foil.

[0015] S3. Heat the color-developing sheet in step S2 on a heater, observe the color change of the color-developing sheet, and compare it with the color chart to determine the content of the peroxide value in the food oil. By heating, oil processed foods or nut powders will precipitate oils such as peroxides, and the oils and chromogenic flakes will undergo oxidation-reduction reactions. Depending on

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Abstract

The invention provides a method for detecting a peroxide value of food grease. The method comprises the steps of: S1, soaking a color developing slice in a color developing solution, taking out the color developing slice after soaking, and drying the color developing slice for later use; S2, taking crushed grease processed food or nut powder, putting the food or nut powder on the color developingslice, and covering the color developing slice with aluminum-foil paper; S3, and heating the color developing slice in the step S2 on a heater, observing color changes of the color developing slice, and comparing the color developing slice with a colorimetric card to judge the content of the peroxide value in the food grease. The method conforms to the Chinese standard, can detect the content of peroxide in grease in a short time on site, and judges whether the food is fresh or not, thereby improving the food detection efficiency, and preventing unqualified food from flowing into the market.

Description

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Claims

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Application Information

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Owner SUZHOU LOSH BIOTECH CO LTD
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