JPS6062923A - Bag for growing fruit - 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 bags for growing fruits such as peaches, pears, apples, nectarines, and loquats, and was developed with the aim of producing products with good appearance, good appearance, and delicious taste. This is what I did.

Conventional fruit growing bags (hereinafter simply referred to as bags) have been made of newspaper for a long time. Various studies have been conducted on hanging bags using other materials, and currently, pigment-colored paper is the mainstream, and orange bags are considered the best because they have a good fruit color tone. This is because if a white bag is used for growing white peaches, for example, the whole bag will become reddish-black and look bad.However, if you use a conventional bag colored orange, the bag will look bad.

Since the overall transmission of light is significantly reduced, the color tone of white peaches remains bluish, and the red color that should be colored at the top of white peaches is difficult to obtain.

Therefore, instead of using conventional pigment-colored paper, we used printing to create shading on white paper or light-colored paper with yellow as the base color.In particular, we made the part corresponding to the base of the fruit a dark color, and the part corresponding to the tip. When the fruit was covered with a light-colored bag, it was found that the fruit had an ideal color tone, leading to the completion of the present invention. In other words, the gist of the present invention is that paper thickness of 30 to 50
A hanger made of g/nr Western paper is a bag, and when the fruit is covered with a bag, the base of the growing fruit is colored in a dark color and the tip is colored in a light color.Figure 1 is a front view of the bag, Figure 2 is a front view of the bag. 3 is a front view of a bag showing another embodiment, and FIG. 3 is a graph showing the relationship between the transmittance of bag paper and the wavelength of light.

In the bags shown in Figures 1 and 2, the size of the spider (1) is approximately 19 cm and the width is approximately 14 cm, and the bag has an opening (2) with an open upper edge and a sealed bottom (2) with a closed lower edge. 3). When bagging the fruit, the opening (2) is on the base side of the fruit, so the area near the opening (2) is the base (4), and the area near the sealing bottom (3) is the tip (5). Become.

The bag of the present invention has a paper thickness of 30 to 50 g/n, same as the conventional one.
Although it is a normal Western paper of R, the first feature is that it is colored by printing on white paper or light-colored paper, rather than paper that is colored by mixing pigments during paper making.Then, when printing and coloring, The second feature is that the base (4) is dark colored and the tip (5) is light colored, and the colors are red, orange, and yellow.
The characteristics of

Experiments using conventional pigment-colored paper have shown that orange is the best color, but as shown in Figure 3 (X), the transmittance of visible light rapidly decreases in the wavelength range of 600 rv or less. It decreases, and below 500 nm, it is almost several % or less, and 60
Even if it is 0rv+ or more, the transmittance is only 2%. Therefore, when a white peach is wrapped in a bag, the amount of light rays is too small, resulting in an entirely white fruit that lacks the distinctive red color of peaches.

Conversely, in the case of white paper, the transmission curve will be as shown in Figure 3 (D), with a gentle rise from 340 to 740 nm.
And a value of about 35% or more and about 45% was obtained. Therefore, even if you cover a white peach with a bag made only of white paper, the resulting fruit will turn reddish-black all over, resulting in a dark red and dirty peach that does not look like a white peach.

When orange printing is applied to this white paper, it becomes a transmittance curve as shown in Figure 3 (A), showing a higher transmittance than the conventional pigment-colored paper, and when the wavelength exceeds 580 nm, it becomes white paper (D). It shows the same or even better light transmittance.

Therefore, if a bag made of orange printed paper with transmittance of (A) is used, the transmittance will increase considerably compared to the conventional bag of (X), and as a result, the fruit will have a pale reddish color as a whole. Become.

Therefore, in order to obtain the most ideal bag, in which the base of the fruit loses its blue tinge and becomes a bright cream color, and the tip of the fruit is colored a slightly stronger red, we colored a single bag. He came up with the idea of color-coded bags by printing them, that is, bags like those shown in Figures 1 and 2, and experimented with them, and was able to obtain extremely good results. . That is, in the figure, part A is an orange printed part and the transmittance is the part of the curve shown in FIG. 3 (A), and part D is a part of white base paper and the transmittance is the part of the curve shown in FIG. 3 (D).

Part B and part 0 are light orange printed parts, and the color shading is Δ, B.

The colors become lighter in order of part 0.

Further, the light and shade may be changed continuously without any break.

The best color tone for colored printing is orange, but the results were roughly the same whether the print was varied between red or yellow, and the tip was white or one of these very light colors. By making the top part (5) of the bag white or light-colored, the top part of the fruit will have a suitably ripe color, and by making the base part (4) of the bag dark orange, the bottom part of the fruit will appear young. The fruit was bright in color, but had lost its unripe color, and the fruit looked fresh and ripe at the time it was ready to eat.

The bag of the present invention will be explained in more detail with reference to Examples below.

Example 1 The fruit is Desumimitsu peach, Okayama 446, which is a variety of white peach.
For the growth of the number shown in Table 1, bags were used to check the color of the fruit at the appropriate harvest time and the state of its low quality.

The results are shown in the right column of Table 1.

When a bag was used to hang the product of the present invention, the fruit showed better coloration and taste was better than that of the conventional product and the comparative product when a bag was used.

/' / , / 7/',,'//'7,'/'' 1st Covering type Paper thickness 34g/Bot/21,'- 1-/'1.7-'/111' // , // Example 2 Nectarine and flavor whelk were grown as fruits in the same manner as white peach using the bags shown in the right column of Table 1. The results are shown in Table 2.

When the product of the present invention is used in a bag, it does not lack the red color unlike conventional products, and it also looks like it is fully ripe even though it is unripe and becomes reddish-black unlike when it is used without a bag or with white paper. Fruits with good color were obtained without exhibiting a dark appearance.

Margin below / Table 2

[Brief explanation of drawings]

FIG. 1 is a front view of a bag, FIG. 2 is a front view of a bag showing another embodiment, and FIG. 3 is a graph showing the relationship between the transmittance of bag paper and the wavelength of light. (1) Bag (2) Opening (3) Sealing bottom (4) Base (5) Tip A Dark orange printing section B, C Light orange printing section D White base paper or above Applicant Fujii Seifukusho Co., Ltd. Agent Patent Attorney Hiroshi Mori Sochi 1 (final)

Claims (1)

[Claims] A hanging made of Western paper with a paper thickness of 30 to 50 g/nr is a bag, and when the bag is hung on the fruit, the base of the growing fruit is darkened,
The fruit growing moon hanger is a bag with the tip printed in a light color. The fruit growing month bag according to claim 1, wherein the color tone of the two-color printing is in the range of red, orange, and yellow. 3. The fruit growing bag according to claim 1, wherein the tip is white.