JPH0331148Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to pine for cultivating mushrooms such as Oyster mushrooms, Nametake mushrooms, and Enoki mushrooms. It is made using wood pulp.

(Prior Art) The following methods have been used to cultivate mushrooms such as oyster mushrooms and enoki mushrooms.

A method of planting seed fungi on logs.

Due to the increasing demand for this method, it is becoming difficult to obtain raw wood.

A method of planting seeds by filling boxes or bottles with sawtooth, straw, rice bran, rice husks, or a mixture of these.

This method had the problem of difficulty in mass cultivation.

A method of binding sawdust, straw, etc. with starch glue, and then planting the seed fungus into this.

This method has the problem that the starch paste is water-soluble, and solidified sawdust is broken down when watering is performed during cultivation. On the other hand, for wood pulp, there is a pulping method using mechanical defibration, which leaves components such as lignin and hemicellulose in the pulp.
There is a pulping method using chemical defibration that removes lignin, but the latter method has weak bonds between pulps and is difficult to form into plates, so although it can be used for bottle cultivation, it is difficult to form plates into pine plates and culture medium. It is difficult to

On the other hand, the former method of mechanical pulping can be formed into thick plate-like pine using lignin components as a binder, but it has the problem of easily containing various bacteria such as wood-decaying fungi. Ta.

(Purpose of the invention) This invention does not disintegrate even when watered, is lightweight and strong, can be easily produced in large size, and can be cultivated in large quantities. The purpose of the present invention is to provide pine trees for mushroom cultivation that can be used to grow mushrooms.

(Structure of the invention) This invention is a paper-made pine made of wood fibers containing 20 to 98% by weight of bark pulp of coniferous trees such as cedar and cypress and 1 to 79% by weight of wood pulp by mechanical defibration.
The present invention is characterized in that it is a mushroom cultivation pine containing a mushroom nutrient source.

(Example of idea) An embodiment of this invention will be described with reference to the drawings.

Example 1 (See Figure 1) Starch paste 3 and rice bran 4 dissolved in water, concentration 3
A mixed pulp 2 of bark pulp and wood pulp that has been mechanically defibrated and coated with a solution of Dried, 50% resin pulp, 30% wood pulp, 5% starch glue,
Mats for mushroom cultivation with a specific gravity of 0.15 were obtained using 15% rice bran (all of the above are absolute dry weight ratios).

In this way, since the fibrous component of dried pulp (water content of 5% or less) is used, the fibers are poorly intertwined and require a small amount of binder.

The amount of binder is preferably 10% or less from an economical point of view, and heat treatment was also performed in this example to develop the effect of the binder and for sterilization.

When cultivation of name mushroom was carried out using this Mat 1, the growth of mycelia was good and the fruiting body of name mushroom grew.

Example 2 (See Figure 2) Bark pulp...50% (absolute dry weight ratio) Wood pulp...35% (〃) Rice bran...15 (〃) The above bark pulp and wood pulp were obtained by mechanical defibration. The above ingredients are dispersed in water to a concentration of 2%, and the paper is made using a wet paper making machine to obtain a thickness of
A 20 mm pine was formed and dried at 180°C for 3 hours to obtain mushroom cultivation pine 1 with a specific gravity of 0.3.

By wet-forming pine in this way,
Ingredients such as bark pulp, wood pulp, and rice bran are sufficiently dispersed in water, and the fibers are intertwined during papermaking, so a sufficiently strong pine can be formed without adding much binder.

In this wet papermaking process, after papermaking, the paper is dried in a dryer and molded into a mat, which serves both as a drying process and as a sterilization process.

When enoki mushrooms were cultivated using this pine, the mycelium grew well and the fruiting bodies of enoki mushrooms grew.

Note that a minimum of 30% fibrous material is required to form a pine that does not lose its shape during handling.

As a result of carrying out various experiments on the mats in the above embodiments and mats similar thereto, the following is desired to be explained.

Regarding the physical properties of pine, size: 3 x 6 feet or less is suitable for handling.

Specific gravity: 0.1 to 0.3 is good for mushroom growth.

Thickness…around 12mm Strength…10Kgf/ ^cm2 or more About the composition of pine Bark pulp…20-98% Weight ratio wood pulp…79-1% Starch…10% or less Rice bran…10-30% Saw scraps… 10% or less Rice husk...10% or less Straw...10% or less In the above composition, the fibrous materials such as straw, rice husk, and sawdust are fillers and may be added as necessary.

Reason for adding each ingredient Bark pulp, wood pulp... Provides nutrients necessary for growth to form a medium.

Bark pulp: A phenol component is contained in the bark component, and this phenol component works to inhibit the growth of various bacteria.

Wood pulp...To give pine strength.

Starch...Binding agent (also a source of nutrients).

Rice bran... Nutrient source → Necessary for short-term growth after seed inoculation; too much quantity will cause it to rot easily and be easily invaded by bacteria.

As for other nutritional sources, in addition to rice bran, sodium alginate, glucose, natural proteins (collagen, gelatin), etc. can be used.

These nutritional sources such as rice bran and sodium alginate are
Even if mushroom fungi are planted with only fibrous materials such as wood pulp, they cannot immediately grow using the fiber as nutrients, so a nutrient source such as polysaccharide that is easily taken up by mushroom fungi is added.

As for the type of bark to be used, the bark of coniferous trees such as cedar and cypress is preferred because it contains a large amount of phenolic components and can suppress the growth of various bacteria. In addition, coniferous bark is preferred because it is easier to obtain and can be produced at a lower cost.

The nutrients may be added to the pulp slurry during mat molding, or may be impregnated into the mat by being immersed in an aqueous nutrient solution after mat molding, or may be sprayed.

(Effects of the invention) According to this invention, mushrooms are added to paper-made pine made of wood fibers containing 20 to 98% by weight of bark pulp of coniferous trees such as cedar and cypress and 1 to 79% by weight of wood pulp by mechanical defibration. This is related to pine for mushroom cultivation that contains nutritional sources, and since the wood materials are bound together by the intertwining of the coniferous bark pulp and wood pulp, the pine can be grown without using adhesives. It can maintain its shape, is lightweight and strong, has excellent handling during transportation, etc., and can be easily produced in large-sized plates, making it possible to cultivate in large quantities.

Furthermore, it is possible to form a composition suitable for the growth of mushrooms without using any synthetic resin adhesive, which is unfavorable for the growth of mushrooms, or by using only a small amount of the synthetic resin adhesive.

Furthermore, the phenol component, which is abundant in the bark of coniferous trees, can prevent various bacteria such as wood-decaying fungi from propagating on pine trees, thereby improving the growth of mushrooms.

[Brief explanation of the drawing]

The drawings show two embodiments of this invention; Fig. 1 is a simplified sectional view of Example 1 of a pine for mushroom cultivation;
The figure is a simplified cross-sectional view of Example 2. 1...Matsuto for mushroom cultivation, 2...Pulp, 3
...Starch paste, 4...Rice bran.

Claims (1)

[Scope of utility model registration request] Made of wood fiber paper pine containing 20 to 98% by weight of mechanically defibrated bark pulp of coniferous trees such as cedar and cypress, and 1 to 79% by weight of wood pulp, containing 1% by weight or more of a nutrient source for mushrooms. Pine for mushroom cultivation.