JP2018000136A - Edible processed products of barley leaves, and hydroponic method for barley leaves - Google Patents

Edible processed products of barley leaves, and hydroponic method for barley leaves Download PDF

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JP2018000136A
JP2018000136A JP2016134008A JP2016134008A JP2018000136A JP 2018000136 A JP2018000136 A JP 2018000136A JP 2016134008 A JP2016134008 A JP 2016134008A JP 2016134008 A JP2016134008 A JP 2016134008A JP 2018000136 A JP2018000136 A JP 2018000136A
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barley
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leaves
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JP6862111B2 (en
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哲朗 相田
Tetsuro Aida
哲朗 相田
吉宏 藤田
Yoshihiro Fujita
吉宏 藤田
雄樹 木下
Yuki Kinoshita
雄樹 木下
俊介 藤原
Shunsuke Fujiwara
俊介 藤原
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Kokusai Eisei KK
Iwatani International Corp
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Iwatani International Corp
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Abstract

PROBLEM TO BE SOLVED: To cultivate barley leaves by hydroponics.SOLUTION: A hydroponic method includes irrigating from above a barley seedling stored in a water-resistance container, with water or a culture medium.SELECTED DRAWING: None

Description

本発明は、大麦の葉部の食用加工物及び大麦の葉部の水耕栽培方法に関する。 The present invention relates to an edible processed product of barley leaves and a hydroponics method for barley leaves.

近年、青汁が健康食品として広く知られるようになっている。青汁用の飲料用組成物の主な原料の一つに大麦若葉があるが、大麦は、露地栽培により国内又は海外の生産地で栽培され、かかる大麦の葉と茎の部分を収穫し、殺菌、乾燥、及び粉砕処理することにより、青汁用の飲料用組成物の成分として使用される加工品を得ている(例えば特許文献1参照)。   In recent years, green juice has become widely known as a health food. One of the main ingredients of the beverage composition for green juice is young barley leaves, but barley is cultivated in domestic or overseas production areas by outdoor cultivation, harvesting the barley leaves and stem parts, The processed goods used as a component of the composition for drinks for green juice are obtained by sterilizing, drying, and a grinding | pulverization process (for example, refer patent document 1).

特開2015-109822JP2015-109822

ところで、露地栽培の場合は、栽培された土壌や天候により収穫後の大麦若葉の品質にばらつきがあり、また収穫時の異物混入等のおそれが大きいため、水耕栽培による大麦の栽培方法に対する要求があった。水耕栽培による特定の環境制御下で大麦の葉部を栽培できれば、効率的に栽培でき有利である。   By the way, in the case of open field cultivation, the quality of barley young leaves after harvest varies depending on the cultivated soil and weather, and there is a high risk of foreign matter contamination at the time of harvesting, so there is a demand for a method for growing barley by hydroponics was there. If the barley leaf part can be cultivated under specific environmental control by hydroponics, it is advantageous to cultivate efficiently.

本発明の目的は、大麦の葉部の水耕栽培方法及び水耕栽培で生育された大麦の葉部の食用加工物を提供することにある。   The objective of this invention is providing the edible processed material of the barley leaf part grown by the hydroponics method of the barley leaf part and hydroponics.

本発明者らは、上記の目的を達成すべく、大麦の苗を特定の環境制御下で栽培すると、大麦の葉部が効率的に得られることを見出し、本発明を完成するに至った。   In order to achieve the above object, the present inventors have found that barley leaves can be efficiently obtained when barley seedlings are cultivated under specific environmental control, and the present invention has been completed.

本発明の一態様によれば、耐水性容器に収容された大麦の苗の上方から水又は培養液を潅水し、大麦の葉部の水耕栽培方法が提供される。   According to one aspect of the present invention, a method for hydroponics cultivation of barley leaves is provided by irrigating water or a culture solution from above barley seedlings contained in a water-resistant container.

本発明の別の態様によれば、水耕栽培で生育された大麦の葉部の食用加工物が提供される。   According to another aspect of the present invention, an edible processed product of a barley leaf portion grown by hydroponics is provided.

本発明によれば、水耕栽培でも、大麦の葉部を効率的に栽培し、収穫することができる。また、水耕栽培により生育された大麦の葉部は、青汁等の食品の原料として利用することができる。   According to the present invention, barley leaves can be efficiently cultivated and harvested even in hydroponics. Moreover, the barley leaf portion grown by hydroponics can be used as a raw material for foods such as green juice.

本発明の水耕栽培方法に使用される水耕栽培装置の例の略図。The schematic of the example of the hydroponic cultivation apparatus used for the hydroponic cultivation method of this invention.

以下、本発明の実施の形態を説明する。   Embodiments of the present invention will be described below.

本発明は、大麦の葉部の水耕栽培方法を提供する。大麦は、二条大麦であってもよいし、六条大麦であってもよい。なお、葉部とは、大麦の葉と茎を合わせた部分を指す。大麦の葉部の食用加工物において、葉と茎を用いる場合は葉と茎を指し、葉のみを用いる場合は葉を指す。   The present invention provides a hydroponic cultivation method for barley leaves. The barley may be Nijo barley or Rojo barley. In addition, a leaf part refers to the part which combined the barley leaf and the stem. In the edible processed product of barley leaves, when leaves and stems are used, they indicate leaves and stems, and when only leaves are used, they indicate leaves.

まず、大麦の種子を洗浄し、水又は水溶液に一定期間(例えば1回30分〜1日)、一定回数(例えば1〜5回)浸漬する。また、任意選択で、種子を公知の殺菌方法で殺菌処理してもよい。殺菌処理は浸漬と浸漬の間に行うことが好ましい。そのような殺菌方法としては、温水への浸漬、次亜塩素酸ナトリウム水溶液による処理、オゾン処理等が挙げられる。温水への浸漬の際の水温は、大麦の生育を妨げないよう、40℃以上60℃以下とし、浸漬時間は10秒〜15時間とすることが好ましい。次亜塩素酸ナトリウム水溶液による処理は、次亜塩素酸ナトリウム濃度50〜1000ppmで処理時間を30分〜6時間とすることが好ましい。また、任意選択で、殺菌処理の前又は後に、種子に公知の発芽処理を施したりしてもよい。そのような発芽処理として、濃硫酸等による化学処理又は機械的な種皮の除去等による物理処理等が挙げられる。   First, barley seeds are washed and immersed in water or an aqueous solution for a certain period (for example, 30 minutes to 1 day) for a certain number of times (for example, 1 to 5 times). Optionally, the seed may be sterilized by a known sterilization method. The sterilization treatment is preferably performed between immersions. Examples of such sterilization methods include immersion in warm water, treatment with an aqueous sodium hypochlorite solution, and ozone treatment. The water temperature during the immersion in warm water is preferably 40 ° C. or more and 60 ° C. or less, and the immersion time is preferably 10 seconds to 15 hours so as not to hinder the growth of barley. The treatment with the aqueous sodium hypochlorite solution preferably has a sodium hypochlorite concentration of 50 to 1000 ppm and a treatment time of 30 minutes to 6 hours. Also, optionally, a known germination treatment may be applied to the seed before or after the sterilization treatment. Examples of such germination treatment include chemical treatment with concentrated sulfuric acid or the like, or physical treatment such as mechanical seed coat removal.

次に、種子を発芽させる。発芽は通常5℃以上40℃以下、好ましくは20℃〜30℃の温度で行う。種子は、育苗トレイ等の容器に入れるか、又は育苗マットに播種することが好ましい。育苗トレイや育苗マットは公知のものを使用することができる。育苗トレイの底面には水抜き用の孔が開いていることが好ましい。播種した種子に水又は培養液を与え、発芽させる。種子は播種後2日〜10日程度で発芽する。   Next, the seeds are germinated. Germination is usually performed at a temperature of 5 ° C to 40 ° C, preferably 20 ° C to 30 ° C. The seeds are preferably placed in a container such as a seedling tray or sown on a seedling mat. Known seedling trays and seedling mats can be used. It is preferable that a hole for draining is opened on the bottom surface of the seedling tray. Water or a culture solution is given to the seed sowed to germinate. Seeds germinate about 2 to 10 days after sowing.

次に、発芽した後の大麦の苗を生育させる。水耕栽培による生育は、露地栽培と比較して生育体全体を取り扱い易く、栽培条件を制御できるため有利である。水耕栽培は屋内外のいずれで実施してもよいが、栽培条件の制御の容易さのため、屋内で実施することが好ましい。屋内で水耕栽培を実施する施設は特に限定されず、いわゆる植物工場の施設である水耕栽培用の機器又はハウスが例示される。施設は、室内温度制御手段、光照射量制御手段、水又は培養液の水温制御手段等の水耕栽培の条件を制御する手段を備えていてもよい。   Next, barley seedlings after germination are grown. Growth by hydroponics is advantageous because it makes it easier to handle the entire growth body and control the cultivation conditions as compared to outdoor cultivation. Hydroponics may be performed indoors or outdoors, but is preferably performed indoors for easy control of the cultivation conditions. The facility for performing hydroponics indoors is not particularly limited, and examples thereof include hydroponics equipment or a house that is a so-called plant factory facility. The facility may include means for controlling conditions for hydroponics such as indoor temperature control means, light irradiation amount control means, water or culture water temperature control means.

大麦の苗を、葉部を有する状態の大麦であって、好ましくは穂を付ける前まで生育させる。より好ましくは、大麦の苗を、穂を付ける前であって、かつ葉部の全長が10〜50cmとなるまで生育させる。さらに好ましくは、大麦の苗を、穂を付ける前であって、かつ葉部の全長が30〜50cmとなるまで生育させる。葉部の全長とは、草丈とも言い、葉部の先端から根或いは種子から葉部が立ち上がる部分(以下、「葉部立上り部」という)までの長さを指す。   Barley seedlings are grown in a barley state having leaves, and preferably before being spiked. More preferably, the barley seedlings are grown before the ears are attached and until the total length of the leaves is 10 to 50 cm. More preferably, the barley seedlings are grown before the ears are attached and until the total length of the leaves is 30 to 50 cm. The total length of the leaf part is also referred to as plant height, and refers to the length from the tip of the leaf part to the part where the leaf part rises from the root or seed (hereinafter referred to as “leaf part rising part”).

大麦の生育温度は特に限定されないが、通常は5℃以上40℃以下、好ましくは15℃〜30℃の栽培温度で行う。これにより大麦の生育を促進することができる。水耕液の温度は好ましくは15℃〜30℃の範囲となるよう調整される。   Although the growth temperature of barley is not particularly limited, it is usually performed at a cultivation temperature of 5 ° C. or more and 40 ° C. or less, preferably 15 ° C. to 30 ° C. Thereby, the growth of barley can be promoted. The temperature of the hydroponic liquid is preferably adjusted to be in the range of 15 ° C to 30 ° C.

大麦の生育時の光量は特に限定されないが、1μmol/m2s〜3,000μmol/m2sであることが好ましい。光源は太陽光などの自然光でもよいし、白熱灯、蛍光灯、LED等の人工光でもよい。 Although the light quantity at the time of growth of barley is not particularly limited, it is preferably 1μmol / m 2 s~3,000μmol / m 2 s. The light source may be natural light such as sunlight, or artificial light such as an incandescent lamp, a fluorescent lamp, or an LED.

発芽後の大麦の生育中、大麦には天然光を照射し続けてもよいが、発芽後2〜10日間遮光し、遮光後の残りの期間(例えば3〜10日)は大麦を光に暴露してもよい。発芽後2〜10日間遮光することで、生育の初期に茎が長く伸び、短い生育期間で背丈の高い大麦を得ることができる。   During the growth of the barley after germination, the barley may continue to be irradiated with natural light, but it is shielded from light for 2 to 10 days after germination, and the barley is exposed to light for the remaining period after the light is shielded (for example, 3 to 10 days). May be. By shading for 2 to 10 days after germination, barley having a high height can be obtained in a short growth period with a long stem.

水又は培養液の潅水方式は特に限定されないが、例えば上記の育苗トレイ又は育苗マットを有底の耐水性容器の中に配置し、耐水性容器に収容された大麦の苗の上方から水又は培養液を頭上潅水するか、又は耐水性容器内に直接底面潅水することで、行うことができる。本願発明者らは意外にも、大麦の苗の生育中に、底面潅水のみを行うと、水又は培養液の排水が不良となり、苗がしおれてしまい、うまく生育しないことを見出した。よって、本願発明によれば、耐水性容器に収容された大麦の苗に、少なくとも一定期間、頭上潅水で水又は培養液を供給する必要がある。   The water or culture water irrigation method is not particularly limited. For example, the above-mentioned seedling tray or seedling mat is placed in a bottomed water-resistant container, and water or culture is started from above the barley seedlings contained in the water-resistant container. This can be done by irrigating the liquid overhead or by basal irrigation directly into a water resistant container. Surprisingly, the inventors of the present invention have found that if only the bottom irrigation is performed during the growth of barley seedlings, the drainage of water or the culture solution becomes poor, the seedlings are wilted and do not grow well. Therefore, according to the present invention, it is necessary to supply water or a culture solution to barley seedlings contained in a water-resistant container by overhead irrigation for at least a certain period.

一実施形態では、大麦の苗を耐水性容器に収容してから収穫までの生育期間中、耐水性容器に収容された大麦の苗の上方から水又は培養液を供給する。潅水量は200〜2500mL/日程度とし、1日1回〜数回行う。別の実施形態では、第1の期間の間、大麦の苗の上方から水又は培養液を潅水し、第1の期間の後の第2の期間の間、大麦の苗の下部の耐水性容器に水又は培養液を底面潅水する。底面潅水における潅水量、潅水時間、及び潅水回数は当業者には適宜設定でき、必要に応じて、育苗トレイ又は育苗マットの保水状態を見ながら調整する。このように栽培することで、大麦は収穫まで良好に生育することができる。第1の期間は、例えば1日以上、好ましくは5日以上である。第2の期間は、例えば0日以上7日以下、好ましくは0日以上3日以下であり、例えば1日以上3日以下である。一実施形態において、第1の期間は5日以上であり、第2の期間は1日以上3日以下である。別の実施形態において、第1の期間は5日以上であり、第2の期間は0日である。   In one embodiment, water or a culture solution is supplied from above the barley seedlings stored in the water-resistant container during the growth period from the storage of the barley seedlings in the water-resistant container to the harvest. The irrigation amount is about 200 to 2500 mL / day, and is performed once to several times a day. In another embodiment, water or culture is irrigated from above the barley seedlings for a first period, and a water resistant container below the barley seedlings for a second period after the first period. Water or culture medium is irrigated to the bottom. The irrigation amount, irrigation time, and irrigation frequency for bottom irrigation can be appropriately set by those skilled in the art, and are adjusted as needed while observing the water retention state of the seedling tray or seedling mat. By cultivating in this way, barley can grow well until harvest. The first period is, for example, 1 day or longer, preferably 5 days or longer. The second period is, for example, from 0 days to 7 days, preferably from 0 days to 3 days, for example, from 1 day to 3 days. In one embodiment, the first period is 5 days or more, and the second period is 1 day or more and 3 days or less. In another embodiment, the first period is 5 days or more and the second period is 0 days.

好ましくは、大麦の苗の生育中に苗を殺菌処理する。殺菌は、公知の殺菌水に大麦又はその一部を一定期間(例えば1回1分〜1日、栽培期間のうち5日間〜期間中ずっと)、一定頻度(例えば1日1〜5回)で暴露することにより行なうことができる。殺菌は、例えば水、農薬を含む水溶液、殺菌水等を、シャワー、ミスト、スプレーの形式で大麦全体に施与することにより行うことができる。   Preferably, the seedling is sterilized during the growth of the barley seedling. Sterilization is carried out by using barley or a part thereof in known sterilized water for a certain period (for example, 1 minute to 1 day, 5 days to all the cultivation period), at a certain frequency (for example, 1 to 5 times a day). This can be done by exposure. Sterilization can be performed, for example, by applying water, an aqueous solution containing an agricultural chemical, sterilized water, or the like to the whole barley in the form of a shower, mist, or spray.

次に、大麦の苗を生育させた後、当該生育物を収穫する。収穫時は、例えば生育物を作業者が手で又はカッター等の切断装置を用いて、育苗トレイ又は育苗マットから取り外す。   Next, after growing barley seedlings, the growth is harvested. At the time of harvesting, for example, an operator removes the grown material from the seedling tray or the seedling mat by hand or using a cutting device such as a cutter.

図1は、本発明の水耕栽培方法に使用される水耕栽培装置の例を示す。水耕栽培装置1は、大麦の苗2を植える育苗トレイ3及び/又は育苗マット4と、育苗トレイ3及び/又は育苗マット4を収容する耐水性容器5と、大麦の苗2への潅水用の水又は培養液を収容するためのタンク6と、タンク6に接続され、長手方向に沿って潅水用の複数の孔を有する配管7と、殺菌水を収容するためのタンク8と、タンク8に接続され、長手方向に沿って殺菌水の散布用の複数の孔を有する配管9と、耐水性容器5の底面と接続し、耐水性容器5の底面に設けられた孔から耐水性容器5内の水又は培養液を排出する排出管10とを備えている。配管7は、大麦の苗2の上方から水又は培養液を供給するために、大麦の苗2の上方に設けられているが、タンク6には大麦の苗2の下部の耐水性容器5へ直接水又は培養液を供給するための配管11が配管7とは別に、又は配管7に追加して接続されてもよい。タンク6からの配管7及び配管11を介した水又は培養液の供給は図示しない弁の開閉操作により選択的に行うことができる。配管9も、大麦の苗2の上方から殺菌水を供給するために、大麦の苗2の上方に設けられているが、タンク8には大麦の苗2の下部の耐水性容器5へ直接水又は培養液を供給するための配管12が配管9とは別に、又は配管9に追加して接続されてもよい。タンク8からの配管9及び配管12を介した水又は培養液の供給は図示しない弁の開閉操作により選択的に行うことができる。代わりに、大麦の苗2の下部の耐水性容器5へ水又は培養液を供給するためのタンクを、タンク6とは別に設けてもよく、大麦の苗2の下部の耐水性容器5へ殺菌水を供給するためのタンクを、タンク8とは別に設けてもよい。   FIG. 1 shows an example of a hydroponic cultivation apparatus used in the hydroponic cultivation method of the present invention. The hydroponic cultivation apparatus 1 is for watering a seedling tray 3 and / or a seedling mat 4 for planting barley seedlings 2, a water-resistant container 5 for housing the seedling tray 3 and / or seedling mat 4, and watering the barley seedlings 2. A tank 6 for storing the water or culture solution, a pipe 7 connected to the tank 6 and having a plurality of holes for irrigation along the longitudinal direction, a tank 8 for storing sterilizing water, and a tank 8 Are connected to the bottom surface of the water-resistant container 5 and the pipe 9 having a plurality of holes for spraying sterilizing water along the longitudinal direction. And a discharge pipe 10 for discharging the water or culture solution therein. The pipe 7 is provided above the barley seedling 2 in order to supply water or a culture solution from above the barley seedling 2, but the tank 6 is connected to the water-resistant container 5 below the barley seedling 2. A pipe 11 for supplying water or a culture solution directly may be connected separately from or in addition to the pipe 7. The supply of water or culture solution from the tank 6 through the pipe 7 and the pipe 11 can be selectively performed by opening and closing a valve (not shown). The pipe 9 is also provided above the barley seedling 2 in order to supply sterilizing water from above the barley seedling 2, but the tank 8 directly supplies water to the water-resistant container 5 below the barley seedling 2. Alternatively, the pipe 12 for supplying the culture solution may be connected separately from or in addition to the pipe 9. Supply of water or culture solution from the tank 8 through the pipe 9 and the pipe 12 can be selectively performed by opening and closing a valve (not shown). Alternatively, a tank for supplying water or a culture solution to the water-resistant container 5 below the barley seedling 2 may be provided separately from the tank 6, and the water-resistant container 5 below the barley seedling 2 is sterilized. A tank for supplying water may be provided separately from the tank 8.

本発明の栽培方法により生産された大麦は、食用加工物にするためにさらに加工することができる。   The barley produced by the cultivation method of the present invention can be further processed to make an edible processed product.

まず、収穫物をブランチング又はマイクロ波処理する。これらの処理は、葉部の緑色を鮮やかに保つための周知技術であり、殺菌の役割も兼ねている。ブランチングの際に葉部をマイクロ波で処理してもよい。ブランチングとしては、熱水処理又は蒸煮処理等が挙げられる。   First, the harvest is blanched or microwaved. These treatments are well-known techniques for keeping the green color of the leaves vivid, and also serve as a sterilizer. The leaves may be processed with microwaves during blanching. Examples of blanching include hot water treatment or steaming treatment.

葉部の緑色を鮮やかに保つためには、ブランチングの時間は短い方が好ましい。葉部のブランチング処理は、80〜100℃の熱水又は水蒸気中で、10〜180秒間処理することが好ましい。葉部の蒸煮処理としては、常圧又は加圧下において、葉部を水蒸気により蒸煮する処理と冷却する処理とを繰り返す間歇的蒸煮処理が好ましい。間歇的蒸煮処理において、水蒸気により蒸煮する処理は、好ましくは20〜40秒間である。冷却処理は、葉部の品温が、好ましくは60℃以下、より好ましくは50℃以下、最も好ましくは40℃以下となるように行われる。また、ビタミン、ミネラル、葉緑素などの栄養成分に富んだ葉部の粉末を製造するためには、間歇的蒸煮処理を2〜5回繰り返すことが好ましい。   In order to keep the green color of the leaves vivid, it is preferable that the blanching time is short. The leaf blanching treatment is preferably carried out in hot water or steam at 80 to 100 ° C. for 10 to 180 seconds. As the steaming process of the leaf part, an intermittent steaming process in which the process of steaming the leaf part with steam and the process of cooling it under normal pressure or under pressure is preferable. In the intermittent steaming process, the steaming process with steam is preferably 20 to 40 seconds. The cooling treatment is performed so that the leaf temperature is preferably 60 ° C. or lower, more preferably 50 ° C. or lower, and most preferably 40 ° C. or lower. Moreover, in order to manufacture the powder of the leaf part rich in nutrient components such as vitamins, minerals, and chlorophyll, it is preferable to repeat the intermittent steaming treatment 2 to 5 times.

次に、ブランチング後、葉部を乾燥させる。収穫した大麦の葉部の水分を自然乾燥又は人工乾燥により除去することにより、食用加工物としての大麦の葉部の乾燥物が得られる。人工乾燥には公知の乾燥方法を使用することができ、例えば凍結乾燥、乾燥機による乾燥等が挙げられる。   Next, after branching, the leaves are dried. By removing the water content of the harvested barley leaf portion by natural drying or artificial drying, a dried product of the barley leaf portion as an edible processed product is obtained. A known drying method can be used for the artificial drying, and examples thereof include freeze drying and drying with a dryer.

好ましくは、食用加工物、特には大麦の葉部の乾燥物における生菌数は3.0×103個/g未満である。この値は公益財団法人 日本健康・栄養食品協会が健康食品である大麦若葉に関して定めた規格基準である一般細菌数5.0×104個/g以下を下回る値であり、消費者の食用に十分に適した値である。生菌数を3.0×103個/g未満にするためには、大麦の葉部の食用加工物の製造方法において、1)大麦の種子の殺菌、2)水耕栽培中の大麦の葉部の殺菌、及び3)収穫後のブランチングのうちの少なくともいずれか一つの工程を行う必要がある。 Preferably, the number of viable bacteria in the edible processed product, in particular, the dried barley leaves is less than 3.0 × 10 3 cells / g. This value is below the standard bacteria count of 5.0 × 10 4 cells / g or less, which is the standard established by the Japan Health and Nutrition Food Association for the health of barley young leaves. This is a sufficiently suitable value. In order to reduce the number of viable bacteria to less than 3.0 × 10 3 cells / g, in the method for producing an edible processed product of barley leaves, 1) sterilization of barley seeds, 2) of barley under hydroponics It is necessary to perform at least one step of sterilization of leaves and 3) blanching after harvesting.

本発明は、水耕栽培で生育された大麦の葉部の食用加工物を提供する。   The present invention provides an edible processed product of a barley leaf portion grown by hydroponics.

大麦の水耕栽培の方法は、上記に説明した通りである。また、食用加工物としては、収穫した大麦の葉部の乾燥物、及びそれを破砕した乾燥粉末が挙げられる。   The method of hydroponic cultivation of barley is as described above. Moreover, as an edible processed material, the dried material of the harvested barley leaf part and the dried powder which crushed it are mentioned.

大麦の葉部の食用加工物は、大麦の葉部の乾燥物のみから構成されていてもよいし、大麦の葉部の乾燥物以外の物をさらに含んでいてもよい。食用加工物中の大麦の葉部の乾燥物の割合は特に限定されないが、例えば30重量%以上、好ましくは50重量%、より好ましくは80重量%以上、さらに好ましくは90重量%以上、特には95重量%以上である。   The edible processed product of the barley leaf part may be composed only of a dried product of the barley leaf part, or may further contain a product other than the dried product of the barley leaf part. The ratio of the dried barley leaf product in the edible processed product is not particularly limited. For example, it is 30% by weight or more, preferably 50% by weight, more preferably 80% by weight or more, and further preferably 90% by weight or more. 95% by weight or more.

大麦の葉部の乾燥物は、収穫した大麦の葉部の水分を自然乾燥又は人工乾燥することにより除去することにより得られる。人工乾燥には公知の乾燥方法を使用することができ、例えば凍結乾燥、乾燥機による乾燥等が挙げられる。   A dried product of the barley leaf portion is obtained by removing moisture of the harvested barley leaf portion by natural drying or artificial drying. A known drying method can be used for the artificial drying, and examples thereof include freeze drying and drying with a dryer.

本発明は、大麦の葉部の乾燥物をさらに細かく破砕した乾燥粉末も提供する。大麦の葉部の乾燥物の破砕には、乾燥物をミル、クラッシャー、グラインダー、ミキサー等の破砕機又は粉砕機で破砕又は粉砕する方法が挙げられる。破砕の程度は、破砕前の乾燥物が収穫時よりも小さいサイズに破砕されていれば特に限定されないが、例えば粉末状に破砕される。粉末状であると、穀物粉に混ぜたり、青汁等の飲料用組成物に添加したりできる点で有利である。   The present invention also provides a dry powder obtained by further finely pulverizing a dried product of barley leaves. Examples of the crushing of the dried product of the barley leaves include a method of crushing or crushing the dried product with a crusher or crusher such as a mill, a crusher, a grinder, or a mixer. The degree of crushing is not particularly limited as long as the dried product before crushing is crushed to a size smaller than that at the time of harvesting. The powder form is advantageous in that it can be mixed with cereal flour or added to a beverage composition such as green juice.

本発明の大麦の葉部の食用加工物は、クッキー、ビスケット、せんべい等の穀物粉を使用した菓子;パン;サプリメント;例えば青汁等の飲料用組成物:等の固形又は液体の各種食品に使用することができる。   The barley leaf edible processed product of the present invention can be applied to various solid or liquid foods such as confectionery using cereal flour such as cookies, biscuits, rice crackers, etc .; bread; supplements; Can be used.

このように、本発明の大麦の葉部の食用加工物は、水耕栽培で生育された大麦の葉部を利用したものであるため、大麦の葉部を特定の環境制御下で効率的に栽培でき、有利である。   Thus, since the edible processed product of the barley leaf part of the present invention uses the barley leaf part grown by hydroponics, the barley leaf part can be efficiently treated under specific environmental control. It is cultivatable and advantageous.

以下に実施例を挙げて本発明をより具体的に説明するが、本発明はこれらに限定されない。   Hereinafter, the present invention will be described more specifically with reference to examples, but the present invention is not limited thereto.

実施例1 大麦若葉の栽培
市販の二条大麦の種子を水洗いし、水に浸漬させ、100ppmの次亜塩素酸水に2時間浸漬させて殺菌した。このように処理した種子を育苗トレイに播種して28℃で発芽させた。次に、大麦を水耕栽培で生育させた。栽培温度は20〜30℃、太陽光の下、市販の培養液(OATハウス肥料1号及び2号、OATアグリオ株式会社)を使用し、毎日潅水し、育苗トレイを入れた耐水性容器にたまった培養液を直ちに排水した。このように、大麦を、穂を付ける前であって、かつ葉部の全長が約30cmになるまで生育させた。
Example 1 Cultivation of young barley leaves Commercially sold Nijo barley seeds were washed with water, immersed in water, and immersed in 100 ppm hypochlorous acid water for 2 hours to sterilize. The seeds thus treated were sown in a seedling tray and germinated at 28 ° C. Next, barley was grown by hydroponics. Cultivation temperature is 20-30 ° C, under sunlight, using a commercially available culture solution (OAT House Fertilizer No. 1 and No. 2, OAT Agrio Co., Ltd.), irrigated every day, and stored in a water-resistant container with a seedling tray The culture broth was drained immediately. Thus, the barley was grown until the panicles were added and the total length of the leaves was about 30 cm.

大麦の苗の各サンプルの栽培方法と、栽培結果は以下に示す通りであった。   The cultivation method and cultivation result of each sample of barley seedlings were as shown below.

Figure 2018000136
Figure 2018000136

次に、生育した大麦を葉部を20秒熱湯でブランチングし、葉部をさらに乾燥させた結果、生菌数が4.0×102個/g未満の葉部の乾燥物が得られた。 Next, as a result of branching the grown barley with boiling water for 20 seconds and further drying the leaf part, a dried product of the leaf part having a viable count of less than 4.0 × 10 2 cells / g was obtained. It was.

以上、本発明の実施形態及び実施例について具体的に説明したが、本発明は、上述の実施形態に限定されるものではなく、本発明の技術的思想に基づく各種の変形が可能である。   Although the embodiments and examples of the present invention have been specifically described above, the present invention is not limited to the above-described embodiments, and various modifications based on the technical idea of the present invention are possible.

例えば、上述の実施形態及び実施例において挙げた構成、方法、工程、形状、材料及び数値などはあくまでも例に過ぎず、必要に応じてこれと異なる構成、方法、工程、形状、材料及び数値などを用いてもよい。   For example, the configurations, methods, processes, shapes, materials, numerical values, and the like given in the above-described embodiments and examples are merely examples, and different configurations, methods, processes, shapes, materials, numerical values, etc. are necessary as necessary. May be used.

また、上述の実施形態の構成、方法、工程、形状、材料及び数値などは、本発明の主旨を逸脱しない限り、互いに組み合わせることが可能である。
また、本発明は以下の構成を採用することもできる。
[1]耐水性容器に収容された大麦の苗の上方から水又は培養液を潅水する、大麦の葉部の水耕栽培方法。
[2]第1の期間の間、大麦の苗の上方から水又は培養液を潅水し、第1の期間の後の第2の期間の間、大麦の苗の下部の前記耐水性容器に水又は培養液を底面潅水する、[1]に記載の方法。
[3]第1の期間は5日以上である[2]に記載の方法。
[4]第2の期間は1日以上7日以下である[2]に記載の方法。
[5]第1の期間は5日以上であり、第2の期間は1日以上3日以下である[2]に記載の方法。
[6]第1の期間は5日以上であり、第2の期間は0日である[2]に記載の方法。
[7]収穫までの生育期間中、大麦の苗の上方から水又は培養液を潅水する、[1]〜[6]のいずれかに記載の方法。
[8]大麦の発芽後の一定期間遮光し、遮光後の残りの期間は大麦を光に暴露する請求項[1]〜[7]のいずれかに記載の方法。
[9]前記一定期間は2〜10日間である[8]に記載の方法。
[10]水耕栽培で生育された大麦の葉部の食用加工物。
[11]乾燥粉末である[10]に記載の食用加工物。
[12][10]又は[11]に記載の食用加工物を含有する食品。
The configurations, methods, steps, shapes, materials, numerical values, and the like of the above-described embodiments can be combined with each other without departing from the gist of the present invention.
The present invention can also employ the following configurations.
[1] A hydroponic cultivation method for barley leaves, wherein water or a culture solution is irrigated from above barley seedlings contained in a water-resistant container.
[2] During the first period, water or a culture solution is irrigated from above the barley seedling, and water is added to the water-resistant container below the barley seedling during the second period after the first period. Alternatively, the method according to [1], wherein the culture solution is irrigated at the bottom.
[3] The method according to [2], wherein the first period is 5 days or more.
[4] The method according to [2], wherein the second period is not less than 1 day and not more than 7 days.
[5] The method according to [2], wherein the first period is 5 days or more and the second period is 1 day or more and 3 days or less.
[6] The method according to [2], wherein the first period is 5 days or more and the second period is 0 days.
[7] The method according to any one of [1] to [6], wherein water or a culture solution is irrigated from above the barley seedling during a growing period until harvest.
[8] The method according to any one of [1] to [7], wherein the barley is shielded from light for a certain period after germination of barley and the barley is exposed to light for the remaining period after the shading.
[9] The method according to [8], wherein the predetermined period is 2 to 10 days.
[10] An edible processed product of the barley leaf portion grown by hydroponics.
[11] The edible processed product according to [10], which is a dry powder.
[12] A food containing the edible processed product according to [10] or [11].

本発明の大麦の葉部の水耕栽培方法は、大麦若葉の生産に広く使用することができる。また、得られた大麦の葉部は乾燥粉末に加工して、クッキー、ビスケット、せんべい等の穀物粉を使用した菓子;パン;サプリメント;例えば青汁等の飲料用組成物;等の固形又は液体の各種食品に使用することができる。   The hydroponic cultivation method of the barley leaves of the present invention can be widely used for the production of young barley leaves. The obtained barley leaves are processed into a dry powder and used as a confectionery using cereal flour such as cookies, biscuits, rice crackers, etc .; bread; supplements; beverage compositions such as green juice; It can be used for various foods.

Claims (6)

耐水性容器に収容された大麦の苗の上方から水又は培養液を潅水する、大麦の葉部の水耕栽培方法。 A hydroponic cultivation method for barley leaves, wherein water or a culture solution is irrigated from above barley seedlings contained in a water-resistant container. 第1の期間の間、大麦の苗の上方から水又は培養液を潅水し、第1の期間の後の第2の期間の間、大麦の苗の下部の前記耐水性容器に水又は培養液を底面潅水する、請求項1に記載の方法。 During the first period, water or a culture solution is irrigated from above the barley seedling, and during the second period after the first period, the water or culture solution is placed in the water-resistant container below the barley seedling. The method according to claim 1, wherein the water is irrigated at the bottom. 大麦の発芽後の一定期間遮光し、遮光後の残りの期間は大麦を光に暴露する請求項1又は2に記載の方法。 The method according to claim 1 or 2, wherein the barley is shielded from light for a certain period after germination of barley and the barley is exposed to light for the remaining period after the shading. 水耕栽培で生育された大麦の葉部の食用加工物。 An edible processed product of the barley leaf grown in hydroponics. 乾燥粉末である請求項3に記載の食用加工物。 The edible processed product according to claim 3, which is a dry powder. 請求項4又は5に記載の食用加工物を含有する食品。 A food containing the edible processed product according to claim 4 or 5.
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