JPS59159763A - Method for producing edible pollen - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing edible pollen that is easy to digest and useful as a nutritional supplement without impairing the nutritional value of the pollen.

Pollen cells are full of vitality and are highly nutritious, containing large amounts of sugar, amino acids, as well as proteins, vitamins, enzymes, minerals, etc., compared to ordinary cells.

Traditionally, the pollen used in food and cosmetics is made by bees collecting pollen on their chest hairs and solidifying it with flowers.
The granular pollen grains of Kaku were used in the bales.

However, pollen is covered with an outer membrane, and this outer membrane is made of sporopollenin, lignin, cellulose, etc., and is hard but flexible. Strong against alkali, and
Since it can withstand temperatures of 300°C, it would be difficult to digest even if eaten. Therefore, improving the digestibility of such pollen has been a challenge in making pollen edible.

In order to solve this problem, conventional methods for producing edible pollen include a method of using enzymes at a temperature of around 40°C to destroy the outer membrane, and a method of freezing the pollen and then treating it with boiling water. There are methods such as mixed pulverization with thermal shock and sushi crushing, but these methods cannot avoid the decomposition of vitamin C and enzymes, and the percentage of broken outer membrane is not high. The drawback was that it was difficult to ingest enough nutritional components.

An object of the present invention is to eliminate the above-mentioned drawbacks, and to provide a method for producing edible pollen that can make pollen edible without impairing its inherent nutritional value.

The present invention is a method for producing edible pollen, which is characterized by rapidly freezing pollen by rapidly cooling it, and then applying impact to the frozen pollen to crush the pollen.

The edible pollen produced by the production method of the present invention is a completely new edible pollen in that it has a powdery appearance and does not lose any of the nutritional value inherent in the pollen.

The production method of the present invention has a pollen particle size of 200 microns or less,
Preferably 100 microns or less, more preferably 10
Applicable to 0 to 30 microns.

In the present invention, when pollen is rapidly brought to a frozen state, the outer membrane of the pollen becomes brittle and easily broken. The outer membrane of pollen can be broken easily and in a short time by applying impact.
This is based on what the inventor discovered.

Additionally, breaking the outer membrane of this pollen freezes the pollen.

This can be done more effectively by pre-drying, for example freeze-drying, before bringing it to a frozen state.

The pollen in the present invention can be rapidly cooled using an inert liquefied gas, directly or indirectly. However, when quenching indirectly, the operation is complicated because the pollen must always be kept in an inert state, but when quenching directly, the vaporized gas forms an inert atmosphere. So, it's excellent.

The inert liquefied gas used in the present invention is at least inert to the nutritional components contained in pollen and can rapidly freeze pollen.
Although any of the liquefied gases can be used, it is advantageous to use liquid nitrogen.

An embodiment of the present invention will be described below with reference to the accompanying drawings.

The cooler 1, the low-temperature crusher 3, the separator 4, etc. are provided in a cold storage body (not shown).

Pollen grains, which have been freeze-dried in advance at a temperature of -10° C. or lower, are put into the cooler 1, which stores liquid nitrogen at its lower part, through its raw material supply port 9, and immersed in the liquid nitrogen.

The loaded pollen load is rapidly cooled and frozen by the liquid nitrogen while settling in the liquid nitrogen. The low-temperature nitrogen gas vaporized when the pollen load is charged pre-cools the pollen load filled in the upper part. The frozen pollen load is transferred from the bottom of cooler 1 to feeder 2. It is taken out by the Liu conveyor and sent to the upper discharge port 1o of the feeder 2. Since the upper discharge port 1o of the feeder 2 is located above the liquid level of the liquid nitrogen in the cooler 1, the frozen pollen load is separated from the liquid nitrogen at the upper discharge port 1o of the feeder. . The frozen pollen load is charged into a box-shaped cryo-pulverizer 3 equipped with a rotary hammer or rotary vane under a nitrogen atmosphere formed by vaporizing liquid nitrogen. The pollen load frozen in the cryo-pulverizer 3 is kept at -30°C or lower,
Preferably under a low temperature nitrogen atmosphere at a temperature of -60°C or less,
For example, the pollen outer membrane is crushed and pulverized by colliding with a rotary blade rotating at a blade end speed of 100 m/sec or by colliding with the inner wall surface of the cryo-pulverizer 3. The crushed pollen or pollen powder is passed from the outlet of the cryo-pulverizer 3 to the conduit 11. with a stream of cold nitrogen gas. Nyoshi, cyclone type separator 4
sent to. The pollen powder is separated from the cold nitrogen gas stream in a separator 4, collected together with some cold nitrogen gas in a receiver tank 5, and removed through a rotary valve.

Pollen is a fine particle with a particle size of, for example, 100 microns or less, but pollen powder whose outer membrane has been crushed becomes even finer, making it susceptible to deterioration such as oxidation. Therefore, in the manufacturing method of the present invention, it is necessary that all steps be maintained in an inactive state. Furthermore, in the present invention, the pollen powder taken out from the rotary valve is
Since it is stored in the container along with the nitrogen gas that accompanies it when it is taken out, there is no risk of deterioration such as oxidation even afterwards.

As a result of processing pollen load 500F using liquid nitrogen 5005' by the method using the cooler 1, cryo-pulverizer 3, separator 4, etc. described above, 90 chips of the processed pollen load were detected using a microscope. The crushed powder of the above pollen adheres to the inner walls of the low-temperature crusher, separator, etc., and if these are collected, the yield will increase.

Depending on the production method of the present invention, not only one type of pollen but also two or more types of pollen can be treated simultaneously. More than 30 types of pollen were processed using the same method, but
In all cases, the adventitia was fractured at a high rate of over 90%. Vitamin C was measured by the hydrazi method, and enzyme titer was measured. In either case, the amounts of vitamin C and enzymes did not change before and after crushing.

[Brief explanation of the drawing]

The figure is a process diagram for carrying out the manufacturing method of the present invention. DESCRIPTION OF SYMBOLS 1... Cooler, 2... Feeder, 3... Low temperature crusher 4... Separator, 5... Receiving tank, 6... Gas discharge pipe, I... Liquefied gas supply pipe, 8... Rotary group, 9... Raw material' supply port, 10... Upper discharge port of feeder, 11... Conduit. Procedure Amendment 7゜ Commissioner of the Japan Patent Office 1. Indication of the case Patent Application No. 32866 of 1982 2. Name of the invention Method for producing edible pollen 3. Person making the amendment Relationship to the case Patent applicant address Osaka Address: 3-30 ImafIi, Higashi-ku, Osaka, Japan Name: Nissho Iwai Co., Ltd. 4, Agent: 5 Date of amendment order: Owner: 6, Claims column of the specification to be amended and detailed description of the invention :'
, i1. , Contents of amendment (1) The claims column is as attached (2)
) Regarding the column for the detailed description of the invention, (1) In the 11th line of page 4 of the specification, the phrase "must be brought to a state" is amended to "must be brought to a state". ■ On page 5, line 4 of the specification, replace the phrase “cold storage within the country” with “
"Inside the cold storage room," he corrected. ■Page 5, line 12, line 13 or 14 of the specification,
The words "feeder" in lines 114 to 15 and line 17 are corrected to "feeder." Attachment 2, Claims (1) Once the pollen is rapidly frozen by rapidly cooling it,
A method for producing edible pollen, which comprises: then crushing the frozen pollen by applying an impact to it. (2) The method for producing edible pollen according to claim (1), characterized in that frozen pollen is crushed by impacting it at a temperature of -30''C or lower.

Claims (1)

[Claims] (1) A method for producing edible pollen characterized by rapidly freezing pollen by rapidly cooling it, and then crushing the frozen pollen by applying a shock to it. The method for producing edible pollen according to claim (1), characterized in that the pollen is crushed by applying an impact at a temperature of 0.degree. C. or lower.