JPH11255662A - Saccharide absorption inhibitor - Google Patents

Saccharide absorption inhibitor

Info

Publication number
JPH11255662A
JPH11255662A JP10101685A JP10168598A JPH11255662A JP H11255662 A JPH11255662 A JP H11255662A JP 10101685 A JP10101685 A JP 10101685A JP 10168598 A JP10168598 A JP 10168598A JP H11255662 A JPH11255662 A JP H11255662A
Authority
JP
Japan
Prior art keywords
mulberry
extract
absorption inhibitor
sugar
dried
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10101685A
Other languages
Japanese (ja)
Inventor
Keimin Ko
恵民 侯
Chu Shi
中 史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP10101685A priority Critical patent/JPH11255662A/en
Publication of JPH11255662A publication Critical patent/JPH11255662A/en
Pending legal-status Critical Current

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Landscapes

  • Medicines Containing Plant Substances (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a natural saccharide absorption inhibitor which possesses high safety, can be readily ingested and exerts suitable effect. SOLUTION: This saccharide absorption inhibitor is comprised of the component obtained by extracting natural fiuits of Morus bombycis with water or a hydrophilic organic solvent.

Description

【発明の詳細な説明】 【0001】[発明の属する技術分野]本発明は、食
品、食品添加物、医薬、等の分野に於いて利用可能な天
然物由来の糖吸収抑制剤に関するものである。 【0002】[従来の技術]一般に糖は、生命体にとっ
て必須のものであるが、過剰に摂取する時には生体に害
を及ぼすことがあり、近年その過剰摂取が広く問題視さ
れるようになって来ている。かかる状況のもとに、糖を
経口摂取しても体内に吸収され難くする物質いわゆる糖
吸収抑制剤が注目を集めるゆえんである。最近インド原
産のつる性植物、ギムネマシルベスタが注目を集めてい
るが、(1)熱水抽出物は苦く内服しにくい、(2)服
用後甘み感覚が麻痺する、等の欠点のため広く普及する
に至っていない。 【0003】一方漢方では、桑はクワ科(Morace
ae)の植物でヤマ桑(Morusbombycls
koidz.)、カラ桑(Morus alba
L.)、チョウセン桑(Morus mongorik
aSchned.)等の種類があり、桑葉と桑白皮は昔
から漢方薬として、臨床的に消渇症(糖尿病に相当)に
用いられてきた。桑葉中の有効成分の研究、糖吸収抑制
剤としての作用機構、糖尿病モデル動物及び糖尿病患者
への適用などに関しては多くの報告がある。桑の実に関
してはしかし、古くから食用に供されてきたがその生理
作用に関する知見は少ない。特開平8−143466に
桑の実の有する抗酸化作用に関し述べている。しかしな
がら、桑の実の有する糖吸収抑制作用については未だ報
告されていない。 【0004】[発明が解決しようとする課題]近年、安
全性、健康志向の面において、また簡易で安価に得られ
る糖吸収抑制剤の出現が望まれている。本発明は、安全
性が高く、摂取しやすく、効果の適切な天然の糖吸収抑
制剤を提供することを目的とする。 【0005】[課題を解決するための手段]本発明は、
上記状況に鑑みて鋭意研究を重ねた結果得たものであっ
て、天然の桑の実を水もしくは親水性有機溶媒で抽出し
て得られる成分からなる糖吸収抑制剤を特徴とする。桑
の実は中国、日本で古くから、食料、嗜好品として好ま
れて来たものであって、その安全性には問題はなく、ま
た味、香りの面からも抵抗無く広く受け入れられるもの
であり、糖吸収抑制剤として一般に普及するに必要な条
件を多く兼ね備えたものといいうる。 【0006】[発明の実施の形態]よく乾燥した桑の実
を水で洗浄した後、細かく刻み、熱水、もしくは熱(水
−エタノール)混合液を加えて有価成分の抽出を行う。
乾燥桑の実に対する抽出液の割合は桑の実10gに対し
抽出液100c.cないし1,000c.cが望まし
い。緩やかな加温状態で(60−90℃)5分から60
分抽出を行い、桑の実粉末その他をメッシュで濾過して
抽出エキスを得る。抽出エキスは加熱濃縮するのみで糖
吸収抑制剤として供することが出来るが、保存、摂取の
利便性を考慮して乾燥物とすることが望ましい。抽出エ
キスから乾燥物を得るためには、凍結乾燥法、スプレー
ドライ法、等が用いうる。最終的に得られるエキス乾燥
物の重量は原料として用いる乾燥桑の実重量に対し5−
30%である。実際にエキス乾燥物を糖吸収抑制剤とし
て動物に摂取させる、またヒトが摂取するに際しては、
エキス乾燥物をそのまま摂取する、もしくは温水に再溶
解させて摂取する等でよい。 【0007】[実施例]次に実施例によって本発明を詳
細に説明する。 【0008】実施例1 (乾燥した桑の実の水抽出物の調製) 1.桑の実の乾燥したものを水で洗浄した後、細かく刻
み、この粉末100gに沸騰水5,000mlを加え弱
火で30分熱水抽出した。 2.この抽出エキスを120メッシュの金網に通し爽雑
物を除去した。 3.得られたエキスをスプレードライ法により乾燥物を
得た。 上記手段により原料に対し10%の収率で乾燥物が得ら
れた。 【0009】試験例1 体重280gから315gの雄のラット20匹を2群に
分け各群とも24時間絶食させた。第一群10匹には
0.75gの砂糖を5mlの水に溶かして胃中に投与し
た。第二群10匹には0.75gの砂糖と0.18gの
桑の実エキス乾燥物(実施例1によって得られた)を5
mlの水に溶かして胃中に投与した。投与直前、投与後
30分、60分、120分における血糖値を測定し各群
においてそれぞれ平均した。 【0010】得られた結果を第1図に示す。桑の実エキ
ス乾燥物を砂糖と同時投与した第二群において砂糖投与
後の血糖値の上昇が著しく抑えられているのが明らかで
ある。投与後、30分、60分における両群の血糖値の
平均値の差の検定を行ってみたところ、危険率1%レベ
ルで両者に差があるとの結論であった。 【0011】実施例2 沸騰水5,000mlの代わりに60℃に加温した水−
エタノール混合溶媒(体積比1:1)5,000mlを
用いる以外は実施例1と同様に抽出操作を行い得られた
エキスを減圧加熱し、濃縮後乾燥させエキス乾燥物を得
た。収率は12%であった。 【0012】試験例2 成人男子ボランティア2名(健常人、年齢25−28,
体重60−65kg)に一夜絶食後、100gのパンと
5gの砂糖を朝食として与えた。朝食直前、食後15
分、食後30分、食後45分の血糖値を測定した。翌々
日、同一人に上記の朝食と同時に実施例2によって得ら
れた桑の実乾燥エキスの1gを与え朝食直前、食後15
分、食後30分、食後45分の血糖値を測定した。 【0013】二人のボランティアにより得られた食事後
の血糖値の変化を第2、第3図に示す。桑の実乾燥エキ
スを食事と同時摂取した場合、食後における血糖値の上
昇が明瞭に小さくなっていることが明らかである。
Description: TECHNICAL FIELD [0001] The present invention relates to a natural product-derived sugar absorption inhibitor which can be used in the fields of foods, food additives, medicines and the like. . [PRIOR ART] In general, sugar is essential for living organisms, but when it is ingested excessively, it may cause harm to living organisms. It is coming. Under these circumstances, attention has been paid to substances that are difficult to be absorbed into the body even when sugar is orally ingested, so-called sugar absorption inhibitors. Recently, gymnema sylvestre, a vine plant native to India, has attracted attention. However, it is widely used due to its drawbacks such as (1) hot water extract is bitter and difficult to take internally, and (2) paralysis of sweetness after taking it. Has not been reached. On the other hand, in Chinese medicine, mulberry is a mulberry (Morace)
ae) in the plant of mulberry (Morusbombyls)
koidz. ), Kara mulberry (Morus alba)
L. ), Korean mulberry (Morus mongorik)
aSchned. ) And mulberry leaves and mulberry bark have been used clinically for Chinese medicine for depletion (equivalent to diabetes) for a long time. There have been many reports on the study of active ingredients in mulberry leaves, the mechanism of action as a sugar absorption inhibitor, application to diabetes model animals and diabetic patients, and the like. However, mulberry nuts have been edible for a long time, but little is known about their physiological effects. JP-A-8-143466 describes the antioxidant action of mulberry nuts. However, the sugar absorption inhibitory effect of mulberry has not yet been reported. [Problems to be Solved by the Invention] In recent years, the emergence of a simple and inexpensive sugar absorption inhibitor has been desired in view of safety and health. An object of the present invention is to provide a natural sugar absorption inhibitor that is highly safe, easy to ingest, and effective. [Means for Solving the Problems] The present invention provides:
In view of the above situation, the present invention has been made as a result of intensive studies, and is characterized by a sugar absorption inhibitor consisting of a component obtained by extracting natural mulberry nuts with water or a hydrophilic organic solvent. Mulberry seeds have long been popular in China and Japan as food and luxury goods, and there is no problem with their safety, and they are widely accepted without difficulty in terms of taste and aroma. It can be said that it has many conditions necessary for its general spread as a sugar absorption inhibitor. [Embodiment of the Invention] A well-dried mulberry nut is washed with water, finely chopped, and hot water or a mixed solution of heat (water-ethanol) is added to extract valuable components.
The ratio of the extract to the dried mulberry was 100 c. c to 1,000 c. c is desirable. 5 minutes to 60 with mild heating (60-90 ° C)
Extraction is performed, and mulberry seed powder and the like are filtered through a mesh to obtain an extracted extract. The extract can be used as a sugar absorption inhibitor only by heating and concentrating the extract, but it is preferable to use a dried product in consideration of the convenience of storage and ingestion. In order to obtain a dried product from the extracted extract, a freeze drying method, a spray drying method, or the like can be used. The weight of the dried extract finally obtained is 5 to the actual weight of the dried mulberry used as a raw material.
30%. Actually let the animal take the dried extract as a sugar absorption inhibitor, and when humans take it,
The dry extract may be ingested as it is, or may be redissolved in warm water and ingested. Next, the present invention will be described in detail with reference to examples. Example 1 (Preparation of an aqueous extract of dried mulberry berries) The dried mulberry washes were washed with water, finely chopped, and 5,000 ml of boiling water was added to 100 g of the powder, and extracted with hot water for 30 minutes over a low heat. 2. The extract was passed through a 120-mesh wire mesh to remove foreign matter. 3. A dried product was obtained from the obtained extract by a spray drying method. By the above means, a dried product was obtained in a yield of 10% based on the raw material. Test Example 1 Twenty male rats weighing 280 g to 315 g were divided into two groups, and each group was fasted for 24 hours. To the first group of 10 animals, 0.75 g of sugar was dissolved in 5 ml of water and administered to the stomach. In a second group of 10 animals, 0.75 g of sugar and 0.18 g of mulberry berry extract dried product (obtained according to Example 1) were added.
The drug was dissolved in water and administered into the stomach. Immediately before administration, blood sugar levels at 30, 60, and 120 minutes after administration were measured and averaged in each group. The results obtained are shown in FIG. It is clear that in the second group where the dried mulberry seed extract was administered simultaneously with sugar, the increase in blood sugar level after sugar administration was significantly suppressed. A test of the difference between the average values of the blood glucose levels of both groups at 30 minutes and 60 minutes after administration was performed, and it was concluded that there was a difference between them at the 1% risk level. Example 2 Water heated to 60 ° C. instead of 5,000 ml of boiling water
Extraction was performed in the same manner as in Example 1 except that 5,000 ml of an ethanol mixed solvent (volume ratio 1: 1) was used, and the obtained extract was heated under reduced pressure, concentrated and dried to obtain a dried extract. The yield was 12%. Test Example 2 Two adult male volunteers (healthy people, ages 25-28,
(60-65 kg body weight), after fasting overnight, 100g bread and 5g sugar were given as breakfast. Immediately before breakfast and after meals 15
Minutes, 30 minutes after the meal and 45 minutes after the meal. The next day, the same person was given 1 g of the dried mulberry berry extract obtained in Example 2 at the same time as the above breakfast, and immediately before breakfast and 15 minutes after meal.
Minutes, 30 minutes after the meal and 45 minutes after the meal. The changes in blood glucose level after meals obtained by two volunteers are shown in FIGS. 2 and 3. It is clear that when the dried mulberry berry extract is ingested simultaneously with the meal, the increase in blood glucose level after the meal is clearly reduced.

─────────────────────────────────────────────────────
【手続補正書】 【提出日】平成10年6月10日 【手続補正1】 【補正対象書類名】明細書 【補正対象項目名】図面の簡単な説明 【補正方法】追加 【補正内容】 【図面の簡単な説明】 【図1】本図は桑の実乾燥エキス投与のラット群と非投
与のラット群における食後の血糖値推移曲線である。縦
軸は血糖値(単位=ミリモル/リットル)を示してお
り、横軸は食事摂取からの時間(単位=分)を示す。 【符号の説明】 ■ 桑の実乾燥エキス投与のラット群 ● 桑の実乾燥エキス非投与のラット群 【図2】本図はボランティアAにおける桑の実乾燥エキ
ス投与と非投与の場合の食後の血糖値推移曲線である。
縦軸は血糖値(単位=ミリモル/リットル)を示してお
り、横軸は食事摂取からの時間(単位=分)を示す。 【符号の説明】 ■ 桑の実乾燥エキス投与の場合 ● 桑の実乾燥エキス非投与の場合 【図3】本図はボランティアBにおける桑の実乾燥エキ
ス投与と非投与の場合の食後の血糖値推移曲線である。
縦軸は血糖値(単位=ミリモル/リットル)を示してお
り、横軸は食事摂取からの時間(単位=分)を示す。 【符号の説明】 ■ 桑の実乾燥エキス投与の場合 ● 桑の実乾燥エキス非投与の場合
────────────────────────────────────────────────── ───
[Procedure amendment] [Submission date] June 10, 1998 [Procedure amendment 1] [Document name to be amended] Description [Item name to be amended] Brief explanation of drawings [Amendment method] Addition [Amendment content] [ BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a graph showing a postprandial blood glucose transition curve in a group of rats to which dried mulberry berry extract was administered and a group of rats to which no mulberry seed extract was administered. The vertical axis indicates the blood sugar level (unit = mmol / liter), and the horizontal axis indicates the time (unit = minute) from the meal intake. [Description of Signs] ■ Rat group to which mulberry berry dry extract was administered ● Rat group to which mulberry berry dry extract was not administered [Fig. It is a blood glucose level transition curve.
The vertical axis indicates the blood sugar level (unit = mmol / liter), and the horizontal axis indicates the time (unit = minute) from the meal intake. [Explanation of symbols] ■ In the case of administration of mulberry seed dry extract ● In the case of non-administration of mulberry seed dry extract [Fig. It is a transition curve.
The vertical axis indicates the blood sugar level (unit = mmol / liter), and the horizontal axis indicates the time (unit = minute) from the meal intake. [Explanation of symbols] ■ In case of administration of dried mulberry seed extract ● In case of non-administration of dried mulberry seed extract

Claims (1)

【特許請求の範囲】 1.桑の実由来の糖吸収抑制剤。 2.桑の実を水もしくは親水性有機溶媒で抽出して得ら
れる糖吸収抑制剤
[Claims] 1. Sugar absorption inhibitor derived from mulberry. 2. Sugar absorption inhibitor obtained by extracting mulberry with water or hydrophilic organic solvent
JP10101685A 1998-03-09 1998-03-09 Saccharide absorption inhibitor Pending JPH11255662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10101685A JPH11255662A (en) 1998-03-09 1998-03-09 Saccharide absorption inhibitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10101685A JPH11255662A (en) 1998-03-09 1998-03-09 Saccharide absorption inhibitor

Publications (1)

Publication Number Publication Date
JPH11255662A true JPH11255662A (en) 1999-09-21

Family

ID=14307203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10101685A Pending JPH11255662A (en) 1998-03-09 1998-03-09 Saccharide absorption inhibitor

Country Status (1)

Country Link
JP (1) JPH11255662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021006558A (en) * 2014-12-19 2021-01-21 ニューロボ ファーマシューティカルズ インコーポレイテッドNeurobo Pharmaceuticals,Inc. Composition containing mixed extract of mulberry and poria cocos peel for preventing, mitigating or treating degenerative neurological diseases

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021006558A (en) * 2014-12-19 2021-01-21 ニューロボ ファーマシューティカルズ インコーポレイテッドNeurobo Pharmaceuticals,Inc. Composition containing mixed extract of mulberry and poria cocos peel for preventing, mitigating or treating degenerative neurological diseases

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