JP2020090517A - Maillard reaction inhibitor - Google Patents
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Abstract
Description
本発明は、植物エキスを有効成分として含有する新規なメイラード反応阻害剤に関する。 The present invention relates to a novel Maillard reaction inhibitor containing a plant extract as an active ingredient.
メイラード反応は、還元糖のカルボニル基と蛋白質又はアミノ酸のアミノ基が非酵素的に縮合する反応で、シッフ塩基を経由して、アマドリ転移産物を生成する前期反応と、その後、アマドリ転移産物が分解され、さらに脱水、酸化、縮合、転移等の過程を経て、終末糖化産物群(AGE)へと変化する後期反応とに分けられる。食品の加工、貯蔵の際に起こる褐変反応として食品科学の分野では古くからよく知られる現象である。 The Maillard reaction is a non-enzymatic condensation of the carbonyl group of a reducing sugar and the amino group of a protein or amino acid, and a pre-reaction that produces an Amadori transfer product via a Schiff base, followed by decomposition of the Amadori transfer product. And further undergoes processes such as dehydration, oxidation, condensation, transfer, and the like, and is divided into a late-stage reaction that changes into a group of advanced glycation end products (AGE). This phenomenon has long been well known in the field of food science as a browning reaction that occurs during processing and storage of food.
この反応は生体内でも起こっており、AGEが加齢に依存して種々の生体組織に蓄積すること、また、糖尿病合併症、アルツハイマーや動脈硬化などの加齢関連疾患で、AGEの蓄積が有意に増加していることが報告されている。さらに、メイラード反応は、加齢に伴って生じる白内障や軟骨の弾力低下、皮膚の老化の原因となり、特に常時高血糖状態である糖尿病患者においてその進行が早いことが報告されている。 This reaction also occurs in vivo, and AGE accumulates in various living tissues depending on aging, and AGE accumulation is significant in age-related diseases such as diabetic complications, Alzheimer's disease and arteriosclerosis. It has been reported to be increasing. Furthermore, it has been reported that the Maillard reaction causes cataract, decreased elasticity of cartilage, and aging of the skin that occur with age, and that the progression thereof is particularly rapid in diabetic patients who are constantly in a hyperglycemic state.
このため、メイラード反応を阻害する物質は、生体内の様々な加齢関連疾患の抑制や糖尿病合併症を抑制し得ると考えられ、そのような物質を求めて種々の研究がされている。 Therefore, substances that inhibit the Maillard reaction are considered to be able to suppress various age-related diseases in vivo and diabetic complications, and various studies have been conducted in search of such substances.
例えば、アミノグアニジンは強力なメイラード反応阻害剤として知られている(例えば、特許文献1参照)。一方でこの化合物は強い副作用を有することが知られている。また、メイラード反応阻害作用を有する植物素材がいくつか知られているが、十分満足のいく効果は得られていない(例えば、特許文献2および特許文献3参照)。 For example, aminoguanidine is known as a potent Maillard reaction inhibitor (see, for example, Patent Document 1). On the other hand, this compound is known to have strong side effects. Further, some plant materials having a Maillard reaction inhibitory action are known, but a sufficiently satisfactory effect has not been obtained (see, for example, Patent Documents 2 and 3).
平均寿命の延びや少子高齢化の進行に伴い、健康を維持しつつ長生きするために、抗加齢いわゆるアンチエイジングへの関心が高まっている中、優れたアンチエイジング効果を有し、かつ安全性の高い機能性食品や化粧品素材等の開発が切望されている。 With increasing life expectancy and declining birthrate and aging population, there is increasing interest in anti-aging, so-called anti-aging, in order to maintain longevity while maintaining good health. Development of highly functional foods and cosmetic materials is highly desired.
本発明は、植物エキスを有効成分として含有する新規なメイラード反応阻害剤を提供することを主な目的とする。また、本発明は、当該メイラード反応阻害剤を含有する経口剤、外用剤および飲食品を提供する。 The main object of the present invention is to provide a novel Maillard reaction inhibitor containing a plant extract as an active ingredient. The present invention also provides an oral preparation, an external preparation, and a food or drink containing the Maillard reaction inhibitor.
本発明者らは、上記課題を解決すべく鋭意検討した結果、特定の植物エキスが優れたメイラード反応阻害作用を有することを見出し、本発明を完成した。 As a result of intensive studies to solve the above problems, the present inventors have found that a specific plant extract has an excellent Maillard reaction inhibitory action, and completed the present invention.
本発明として、例えば下記のものを挙げることができる。
(1)ピンポンノキ属(Sterculia)に属する植物、チャンチンモドキ属(Choerospondias)に属する植物、マンゴー属(Mangifera)に属する植物、ウルシ属(Rhus)に属する植物、フクギ属(Garcinia)に属する植物、クロモジ属(Lindera)に属する植物、イヌタデ属(Persicaria)に属する植物、ギシギシ属(Rumex)に属する植物、ミズヒキ属(Antenoron)に属する植物、アブラギリ属(Aleurites)に属する植物、アカシア属(Acacia)に属する植物、ヒシ属(Trapa)に属する植物、エウゲニア属(Eugenia)に属する植物、ナツフジ属(Millettia)に属する植物、ミズキ属(Cornus)に属する植物、ビンロウ属(Areca)に属する植物、ヤマモモ属(Myrica)に属する植物からなる植物群から選択される1種又は2種以上の植物のエキスを有効成分として含有するメイラード反応阻害剤(以下、「本発明阻害剤」という)。
(2)上記(1)のメイラード反応阻害剤を含有する経口剤(以下、「本発明経口剤」という)。
(3)上記(1)のメイラード反応阻害剤を含有する飲食品(以下、「本発明飲食品」という)。
(4)上記(1)のメイラード反応阻害剤を含有する外用剤(以下、「本発明外用剤」という)。
(5)上記(1)のメイラード反応阻害剤を含有する老化抑制用組成物(以下、「本発明組成物」という)。
(6)上記(1)のメイラード反応阻害剤を含有する、糖尿病合併症の予防又は治療用組成物。
Examples of the present invention include the following.
(1) Plants belonging to the genus Pterponsia (Sterculia), plants belonging to the genus Choerospondias, plants belonging to the genus Mangofer, plants belonging to the genus Rhus, plants belonging to the genus Garcinia; To plants belonging to the genus (Lindera), plants belonging to the genus Persicaria, plants belonging to the genus Rumex, plants belonging to the genus Antenoron, plants belonging to the genus Aleurites, genus Acacia Plants belonging to the genus (Trapa), plants belonging to the genus Eugenia, plants belonging to the genus Milletia, plants belonging to the genus Cornus, plants belonging to the genus Areca, genus Prunus A Maillard reaction inhibitor (hereinafter referred to as "inhibitor of the present invention") containing, as an active ingredient, an extract of one or more plants selected from the group of plants consisting of plants belonging to (Myrica).
(2) An oral preparation containing the Maillard reaction inhibitor of the above (1) (hereinafter referred to as "the oral preparation of the present invention").
(3) A food or drink containing the Maillard reaction inhibitor of the above (1) (hereinafter referred to as "the food or drink of the present invention").
(4) An external preparation containing the Maillard reaction inhibitor of the above (1) (hereinafter referred to as "the external preparation of the present invention").
(5) A composition for suppressing aging containing the Maillard reaction inhibitor of the above (1) (hereinafter, referred to as "the composition of the present invention").
(6) A composition for preventing or treating diabetic complications, comprising the Maillard reaction inhibitor according to (1) above.
本発明阻害剤は、優れたメイラード反応阻害作用を有し、老化に伴って生じる現象、例えば、白内障、軟骨の弾力低下、皮膚の老化(皮膚の弾力低下、しわやたるみの原因となるコラーゲンの架橋形成、肌のくすみの原因となる色素沈着等)の抑制に有用である。また、本発明阻害剤は、食経験があり、副作用が少ない植物のエキスを有効成分として含有し、安全性が高いものである。 The inhibitor of the present invention has an excellent Maillard reaction inhibitory action, and a phenomenon that occurs with aging, for example, cataract, decreased elasticity of cartilage, aging of skin (decreased elasticity of skin, reduction of wrinkles and sagging collagen) It is useful for suppressing cross-linking and pigmentation that causes dull skin. In addition, the inhibitor of the present invention is highly safe because it contains an extract of a plant that has been eaten and has few side effects as an active ingredient.
また、本発明阻害剤は、メイラード反応が関与することが知られている糖尿病合併症の予防又は治療用組成物として用いることもできる。 The inhibitor of the present invention can also be used as a composition for preventing or treating diabetic complications known to be involved in the Maillard reaction.
植物エキス
本発明に係る植物エキスは、ピンポンノキ属(Sterculia)に属する植物、チャンチンモドキ属(Choerospondias)に属する植物、マンゴー属(Mangifera)に属する植物、ウルシ属(Rhus)に属する植物、フクギ属(Garcinia)に属する植物、クロモジ属(Lindera)に属する植物、イヌタデ属(Persicaria)に属する植物、ギシギシ属(Rumex)に属する植物、ミズヒキ属(Antenoron)に属する植物、アブラギリ属(Aleurites)に属する植物、アカシア属(Acacia)に属する植物、ヒシ属(Trapa)に属する植物、エウゲニア属(Eugenia)に属する植物、ナツフジ属(Millettia)に属する植物、ミズキ属(Cornus)に属する植物、ビンロウ属(Areca)に属する植物、ヤマモモ属(Myrica)に属する植物からなる植物群から選択される植物からの抽出エキスである。
Plant Extract The plant extract according to the present invention includes a plant belonging to the genus Pterponsia (Sterculia), a plant belonging to the genus Choerospondias, a plant belonging to the genus Mango (Mangifera), a plant belonging to the genus Rhus, and a genus Aster ( Plants belonging to Garcinia, plants belonging to the genus Lindera, plants belonging to the genus Persicaria, plants belonging to the genus Rumex, plants belonging to the genus Antenoron, plants belonging to the genus Aleurites. , Plants belonging to genus Acacia, plants belonging to genus Trapa, plants belonging to genus Eugenia, plants belonging to genus Milletia, plants belonging to genus Cornus, genus Areca ), a plant selected from the group consisting of plants belonging to the genus Myrica (Myrica).
本発明に係るピンポンノキ属(Sterculia)に属する植物としては、特に限定されないが、例えば、ヤツデアオギリ(Sterculia foetida L.)、ピンポンノキ(Sterculia nobilis Smith)、ハンタイカイ(Sterculia scaphigera Wall.)を挙げることができ、中でもヤツデアオギリ(Sterculia foetida L.)が好ましい。 The plant belonging to the genus Pterponcia (Sterculia) according to the present invention is not particularly limited, and examples thereof include, but are not limited to, St. Among them, Yatsudeaogiri (Sterculia foetida L.) is preferable.
本発明に係るチャンチンモドキ属(Choerospondias)に属する植物としては、特に限定されないが、例えば、チャンチンモドキ(Choerospondias axillaris (Roxb.) Burtt et Hill)が好ましい。 The plant belonging to the genus Choerospondias according to the present invention is not particularly limited, but, for example, Chanchospodias axillaris (Roxb.) Burtt et Hill) is preferable.
本発明に係るマンゴー属(Mangifera)に属する植物としては、特に限定されないが、例えば、マンゴー(Mangifera indica L.)、ニオイマンゴー(Mangifera odorata Griff.)、ビンジャイマンゴー(Mangifera caesia Jack.)、ウママンゴー(Mangifera foetida Lour.)を挙げることができ、中でもマンゴー(Mangifera indica L.)が好ましい。 The plant belonging to the genus Mangifera according to the present invention is not particularly limited, but examples thereof include mango (Mangifera indica L.), odorant mango (Mangifera odorata Griff.), binjai mango (Mangifera caca. Mengo (Mangifera foetida Lour.) can be mentioned, and among them, mango (Mangifera indica L.) is preferable.
本発明に係るウルシ属(Rhus)に属する植物としては、特に限定されないが、例えば、ヌルデ(Rhus javanica L.)、ハゼノキ(Rhus succedanea L.)、ナンヨウハゼノキ(Rhustaitensis Guill.)、ウルシ(Rhus verniciflua Stokes)、ヤマウルシ(Rhus trichocarpa Miq.)を挙げることができ、中でもヌルデ(Rhus javanica L.)が好ましい。 The plant belonging to the genus Rhus according to the present invention is not particularly limited, and examples thereof include Rhus javanica L., Rhus succedanea L., Rhustaitensis Guill., and Rhus lucifer. Stokes) and porcupine (Rhus trichocarpa Miq.), among which Nulde (Rhus javanica L.) is preferable.
本発明に係るフクギ属(Garcinia)に属する植物としては、特に限定されないが、例えば、マンゴスチン(Garcinia mangostana L.)、ゴラカ(Garcinia cambogia Desr.)、ムムンジン(Garcinia dioica Blume)、グルグル(Garcinia atroviridis Griff. ex T. Anderson)、オオバノマンゴスチン(Garcinia dulcis (Roxb.) Kurz)、インドマンゴスチン(Garcinia indica Choisy)、フクギ(Garcinia subelliptica Merr.)、タマゴノキ(Garcinia xanthochymus Hook. f. ex T. Anders.)を挙げることができ、中でもマンゴスチン(Garcinia mangostana L.)が好ましい。 The plant belonging to the genus Garcinia according to the present invention is not particularly limited, but examples thereof include mangosteen (Garcinia mangostana L.), goraka (Garcinia cambogia gludia der.), and mumundine (Garcinia glucia diar). Ex T. Anderson), Obana mangosteen (Garcinia dulcis (Roxb. Kurz), Indian mangosteen (Garcinia indica Choisy) A. guinea chrysanthemum (Garcinia subelliptica) G. Among them, mangosteen (Garcinia mangostana L.) is preferable.
本発明に係るクロモジ属(Lindera)に属する植物としては、特に限定されないが、例えば、クロモジ(Lindera umbellata Thunb.)、アメリカクロモジ(Lindera benzoin (L.)Blume)、テンダイウヤク(Lindera strychnifolia (Sieb. et Zucc.) F. Vill.)、ヤマコウバシ(Lindera glauca Blume)、ダンコウバイ(Lindera obtusiloba Blume)、シロモジ(Lindera triloba (Sieb.et Zucc.)Blume)を挙げることができ、中でもクロモジ(Lindera umbellata Thunb.)が好ましい。 The plant belonging to the genus Lindera according to the present invention is not particularly limited, but examples thereof include Lindera umbellata Thunb., American black locust (Lindera benzoin (L.) Blume), and Linda strychnif. Zucc.) F. Vill.), Yamabushi (Lindera glauca Blume), Dankobai (Lindera obtusiloba Blume), Shiromoji (Lindera tribala moth) (Sieb. et Zunda moth) can be mentioned. Is preferred.
本発明に係るイヌタデ属(Persicaria)に属する植物としては、特に限定されないが、例えば、アイ(Persicaria tinctoria (Lour.) H. Gross)、ヤナギタデ(Persicaria hydropiper (L.) Spach)、オオイヌタデ(Persicaria lapathifolia (L.) S. F. Gray)、オオケタデ(Persicaria orientalis (L.) Assenov)、ツルソバ(Persicaria chinensis (L.) Nakai)、ミゾソバ(Persicaria thunbergii (Sieb. et Zucc.) H. Gross)を挙げることができ、中でもアイ(Persicaria tinctoria (Lour.) H. Gross)が好ましい。 The plant belonging to the genus Persicaria according to the present invention is not particularly limited, and examples thereof include eye (Persicaria tinctoria (Lour.) H. Gross), willow tree (Persicaria hydropiper (L.) spatia (P.) sapach), and O. (L.) SF Gray, Persimmonia orientalis (L.) Assenov, Persicaria chinensis (L.) Nakai, and Persicaria thunberge.. Persicaria thunbergi. Among them, eye (Persicaria tinctoria (Lour.) H. Gross) is preferable.
本発明に係るギシギシ属(Rumex)に属する植物としては、特に限定されないが、例えば、キブネダイオウ(Rumex nepalensis Spreng.)、スイバ(Rumex acetosa L.)、ヒメスイバ(Rumex acetosella L.)、ギシギシ(Rumex japonicus Houtt.)、ナガバギシギシ(Rumex crispus L.)を挙げることができ、中でもキブネダイオウ(Rumex nepalensis Spreng.)が好ましい。 The plant belonging to the genus Rumex according to the present invention is not particularly limited, but examples thereof include Rumex nepalensis Spreng., Sorrel (Rumex acetosa L.), Rumex acetosella Lp. Houtt.) and Rumex crispus L.), and among them, Rumex nepalensis Spreng.) is preferable.
本発明に係るミズヒキ属(Antenoron)に属する植物としては、特に限定されないが、例えば、ミズヒキ(Antenoron filiforme (Thunb.) Roberty et Vautier)、シンミズヒキ(Antenoron neofiliforme (Nakai) Hara)を挙げることができ、中でもミズヒキ(Antenoron filiforme (Thunb.) Roberty et Vautier)が好ましい。 Examples of plants belonging to the genus Antenoron according to the present invention include, but are not limited to, citrus albacore (Antenoron filiforme (Thunb.) Roberty et Vautier) and cinnamon cypress (Antenoron neofiliforme (Nakai)). Of these, Mizunohiki (Antenoron filiform (Thunb.) Roberty et Vautier) is preferable.
本発明に係るアブラギリ属(Aleurites)に属する植物としては、特に限定されないが、例えば、ククイノキ(Aleurites moluccana (L.) Willd.)、アブラギリ(Aleurites cordata (Thunb) R.Br. ex Steud.)、シナアブラギリ(Aleurites fordii Hemsl.)、カントンアブラギリ(Aleurites montana (Lour.) Wils.)を挙げることができ、中でもククイノキ(Aleurites moluccana (L.) Willd.)が好ましい。 The plant belonging to the genus Aleurites according to the present invention is not particularly limited, and examples thereof include, for example, Kukuoki (Aleurites moluccana (L.) Wild.), Abragitiri (Aleurites cordata (Thunb) R. Br. ex Steed.), There can be mentioned Chinese abragiri (Aleurites fordii Hemsl.) and canton abragili (Aleurites montana (Lour.) Wils.), and among them, Kukuinooki (Aleurites moluccana (L.) Wild.) is preferable.
本発明に係るアカシア属(Acacia)に属する植物としては、特に限定されないが、例えば、アセンヤクノキ(Acacia catechu Willd.)、リウコフロエアアカシア(Acacia leucophloea Willd.)、ミモサアカシア(Acacia decurrens Willd.)、モリシマアカシア(Acacia mearnsii De Wild.)、アラビアゴムノキ(Acacia senegal (L.) Willd.)を挙げることができ、中でもアセンヤクノキ(Acacia catechu Willd.)、リウコフロエアアカシア(Acacia leucophloea Willd.)が好ましい。 The plant belonging to the genus Acacia according to the present invention is not particularly limited, but examples thereof include Acacia catechu Wild., Acacia leucophloea Wild., and Mimosa Acacia dec. , Acacia marnsii De Wild., and Gum acacia (Acacia senegal (L.) Willd.), and among them, Acacia catechu Willd. and Riuco floea acacia. preferable.
本発明に係るヒシ属(Trapa)に属する植物としては、特に限定されないが、例えば、ツノナシビシ(Trapa acornis Nakano)、ヒメビシ(Trapa incisa Sieb. et Zuc.)、ヒシ(Trapa japonica Flerov)、トウビシ(Trapa bispinosa Roxb.)、トラパ・ナタンス(Trapa natans L.)、オニビシ(Trapa natans L.var.japonica Nakai )を挙げることができ、中でもヒシ(Trapa japonica Flerov)、トウビシ(Trapa bispinosa Roxb.)、オニビシ(Trapa natans L.var.japonica Nakai )が好ましい。 The plant belonging to the genus (Trapa) according to the present invention is not particularly limited, and examples thereof include Trapa aconis Nakano, Trapa incisa Sieb. et Zuc., Trapa japonica Trova, Levi. bispinosa Roxb.), Trapa natans L., and Onibishi (Trapa natans L. var. japonica Nakai). Among them, Trapa japonica flesh (Trapa japonica flesh), Trapa japonica fleb. Trapa natans L. var. japonica Nakai) is preferred.
本発明に係るエウゲニア属(Eugenia)に属する植物としては、特に限定されないが、例えば、ピタンガ(Eugenia uniflora L.)、タイワンアデク(Eugenia formosana Hayata),セイロンアデク(Eugenia spicata Lam.)を挙げることができ、中でもピタンガ(Eugenia uniflora L.)が好ましい。 The plant belonging to the genus Eugenia according to the present invention is not particularly limited, but examples thereof include Pitanga (Eugenia uniflora L.), Taiwan Adekku (Eugenia formosana Hayata), and Ceylon Adekaku (Eugenia spicata). Of these, pitanga (Eugenia uniflora L.) is preferable.
本発明に係るナツフジ属(Millettia)に属する植物としては、特に限定されないが、例えば、ムラサキナツフジ(Millettia reticulata Benth.)、ミレッティア・ニティダ(Millettia nitida Benth.)を挙げることができ、中でもムラサキナツフジ(Millettia reticulata Benth.)が好ましい。 The plant belonging to the genus Milletia according to the present invention is not particularly limited, and examples thereof include purple azalea (Millettia reticulata Benth.) and Milletia nitida Benth. Fuji (Millettia reticulata Benth.) is preferred.
本発明に係るミズキ属(Cornus)に属する植物としては、特に限定されないが、例えば、サンシュユ(Cornus officinalis Sieb. et Zucc.)、セイヨウサンシュユ(Cornus mas L.)、ヤマボウシ(Cornuskousa Buerg. ex Hance)、ミズキ(Cornuscontroversa Hemsl.)を挙げることができ、中でもサンシュユ(Cornus officinalis Sieb. et Zucc.)が好ましい。 The plant belonging to the genus Cornus according to the present invention is not particularly limited, but examples thereof include Sanshuyu (Cornus officinalis Sieb. et Zuccc.), Cornus masyu (Cornus mas L.), Cornus kousa burg. , Cornus (Cornus controversa Hemsl.), among which Sanshuyu (Cornus officinalis Sieb. et Zuccc.) is preferable.
本発明に係るビンロウ属(Areca)に属する植物としては、特に限定されないが、例えば、ビンロウジュ(Areca catechu L.)が好ましい。 The plant belonging to the genus Areca (Areca) according to the present invention is not particularly limited, but for example, areca catechu L. is preferred.
本発明に係るヤマモモ属(Myrica)に属する植物としては、特に限定されないが、例えば、シロコヤマモモ(Myrica cerifera L.)、ヤマモモ(Myrica rubra Sieb. et Zucc.)、カロライナヤマモモ(Myrica carolinensis Mill.)を挙げることができ、中でもシロコヤマモモ(Myrica cerifera L.)が好ましい。 The plant belonging to the genus Myrica (Myrica) according to the present invention is not particularly limited, but for example, white bayberry (Myrica cerifera L.), bayberry (Myrica rubra Sieb. et Zucc.), carolina bayberry is cis (Mariric). Among them, Shiroko bayberry (Myrica cerifera L.) is preferable.
上記の植物の中で、ヤツデアオギリ、チャンチンモドキ、マンゴー、ヌルデ、マンゴスチン、クロモジ、アイ、キブネダイオウ、ミズヒキ、ククイノキ、アセンヤクノキ、リウコフロエアアカシア、ヒシ、ピタンガ、ムラサキナツフジ、サンシュユ、ビンロウジュ、シロコヤマモモからなる植物群から選ばれる植物からの抽出エキスが特に好ましい。
植物エキスの製造方法
本発明に係る植物エキスの製造には、上記植物の各部位、例えば、花、花穂、果皮、果実、果肉、茎、葉、枝、枝葉、幹、樹皮、根茎、根皮、根、種子、虫えい、心材、地上部、地下部又は全草を用いることができる。
Among the above-mentioned plants, yatudeaogiri, chanchinoki, mango, nurude, mangosteen, kuromoji, ai, kibunedaiou, mizuhiki, kukuinoki, acacia cypress, ryukofuroea acacia, hishi, pitanga, murasakinathuji, sanshyu, areca, shiroko Extracted extracts from plants selected from the group consisting of bayberry are particularly preferred.
Method for producing plant extract For producing the plant extract according to the present invention, each part of the above plant, for example, flower, spike, pericarp, fruit, pulp, stem, leaf, branch, branch, stem, bark, Rhizome, root bark, roots, seeds, insects, heartwood, aboveground parts, belowground parts or whole plants can be used.
本発明に係る植物エキスの製造方法は、特に限定されず、例えば、通常用いられる方法により製造することができる。具体的には、植物の各部位をそのまま又は適当な大きさに切断し、搾汁又は溶媒で抽出することにより製造することができる。抽出溶媒としては、例えば、水、各種有機溶媒、あるいはそれらの混合溶媒を用いることができる。抽出のための有機溶媒としては、例えば、低級アルコール(例えば、メタノール、エタノール)、クロロホルム、酢酸エチル、n−ヘキサンを挙げることができる。抽出溶媒の中で、特に水、メタノール、エタノールが好ましい。また、これらの溶媒を一種又は二種以上混合して用いることもできる。 The method for producing the plant extract according to the present invention is not particularly limited, and for example, it can be produced by a commonly used method. Specifically, it can be produced by cutting each part of the plant as it is or cutting it into an appropriate size and extracting it with juice or a solvent. As the extraction solvent, for example, water, various organic solvents, or a mixed solvent thereof can be used. Examples of the organic solvent for extraction include lower alcohols (eg, methanol, ethanol), chloroform, ethyl acetate, n-hexane. Among the extraction solvents, water, methanol and ethanol are particularly preferable. Further, these solvents may be used alone or in combination of two or more.
抽出溶媒の使用量は、用いる植物原料や抽出溶媒等により異なるが、重量比で、1:2〜1:30(植物原料:抽出溶媒)の範囲内が適当であり、1:3〜1:20の範囲内が好ましく、1:5〜1:10の範囲内がより好ましい。抽出時間は、1時間〜15日の範囲内が適当である。抽出温度は、5〜100℃の範囲内が適当である。抽出方法については特に制限されず、バッチ抽出、カラムを用いた連続抽出等、任意の方法を適用することができる。 The amount of the extraction solvent used varies depending on the plant raw material used, the extraction solvent, etc., but the weight ratio is preferably within the range of 1:2 to 1:30 (plant raw material: extraction solvent), and 1:3 to 1:1. The range of 20 is preferable, and the range of 1:5 to 1:10 is more preferable. The extraction time is appropriately within the range of 1 hour to 15 days. The extraction temperature is appropriately in the range of 5 to 100°C. The extraction method is not particularly limited, and any method such as batch extraction or continuous extraction using a column can be applied.
得られた植物エキスは、そのままの状態で用いることもできるが、必要に応じ、その活性に影響のない範囲内で更に精製処理を加えてもよい。このような精製処理は、通常の方法によって行えばよく、例えば、植物エキスを常法によりろ過することにより行うことができる。その後、得られたろ液を減圧濃縮、凍結乾燥して、本発明に係る植物エキスとすることができる。
本発明阻害剤、本発明組成物
本発明阻害剤は、上記のようにして得られた植物エキスを1種又は2種以上含有するものである。本発明阻害剤は、例えば、上記のようにして得られた植物エキスを、そのまま又は担体として使用することのできる素材と混合し、次いで、常法により粉末状、塊状、液状などの各種形態に加工することにより製造することができる。
The obtained plant extract can be used as it is, but may be further purified if necessary within a range that does not affect its activity. Such a purification treatment may be carried out by an ordinary method, for example, by filtering the plant extract by an ordinary method. Then, the obtained filtrate can be concentrated under reduced pressure and freeze-dried to obtain the plant extract according to the present invention.
Inhibitor of the present invention, composition of the present invention The inhibitor of the present invention contains one kind or two or more kinds of the plant extract obtained as described above. The inhibitor of the present invention is, for example, a plant extract obtained as described above, mixed with a material that can be used as it is or as a carrier, and then, in various forms such as a powder, a lump, and a liquid by a conventional method. It can be manufactured by processing.
本発明組成物は、本発明阻害剤を含有するものである。本発明組成物は、例えば、本発明阻害剤をそのまま用いることもできるし、又は、本発明阻害剤と、担体として使用することのできる素材とを混合し、次いで、常法により粉末状、塊状、液状などの各種形態に加工することにより製造することができる。 The composition of the present invention contains the inhibitor of the present invention. In the composition of the present invention, for example, the inhibitor of the present invention can be used as it is, or the inhibitor of the present invention can be mixed with a material that can be used as a carrier, and then powdered or lumped by a conventional method. It can be manufactured by processing into various forms such as liquid form.
本発明阻害剤及び本発明組成物には、任意に医薬上又は食品上許容される添加物を配合することができる。かかる添加剤としては、例えば、結合剤、崩壊剤、滑沢剤、分散剤、懸濁剤、乳化剤、緩衝剤、酸化防止剤、賦形剤、界面活性剤、紫外線防止剤、金属イオン封鎖剤、増粘剤、防腐剤、抗菌剤、保湿剤、色素を挙げることができ、これらの1種又は2種以上を適当量使用することができる。 The inhibitor of the present invention and the composition of the present invention may optionally contain pharmaceutically or food-acceptable additives. Examples of such additives include binders, disintegrants, lubricants, dispersants, suspending agents, emulsifiers, buffers, antioxidants, excipients, surfactants, UV inhibitors, sequestering agents. , Thickeners, antiseptics, antibacterial agents, moisturizers, and dyes, and one or more of these can be used in an appropriate amount.
本発明阻害剤及び本発明組成物における植物エキスの配合量は、特に限定されず、0.01重量%(以下、単に「%」という)以上、好ましくは、0.05〜50%である。
本発明阻害剤及び本発明組成物は、常法により、錠剤、散剤、顆粒剤、カプセル剤、液剤、シロップ剤、ドロップ錠、トニック、ローション、軟膏、クリーム等の剤型に適宜調製することができる。
The content of the plant extract in the inhibitor of the present invention and the composition of the present invention is not particularly limited and is 0.01% by weight (hereinafter, simply referred to as “%”) or more, preferably 0.05 to 50%.
The inhibitor of the present invention and the composition of the present invention can be appropriately prepared into a dosage form such as tablets, powders, granules, capsules, solutions, syrups, drops, tonics, lotions, ointments and creams by a conventional method. it can.
本発明阻害剤及び本発明組成物の摂取量は、含有されている植物エキスの種類、剤型、投与対象者の年齢、体重等により異なるが、通常、成人1日当り、植物エキスの重量として、0.1〜100gの範囲内とするのが適当であり、1〜60gの範囲内とするのが好ましいが、必ずしもこの範囲に限られるものではない。かかる1日当りの摂取量は、1回で摂取してもよく、また、2〜4回に分割して摂取してもよい。 The intake amount of the inhibitor of the present invention and the composition of the present invention varies depending on the type of the plant extract contained, the dosage form, the age, weight and the like of the administration subject, but usually, as the weight of the plant extract per adult day, The amount is suitably in the range of 0.1 to 100 g, preferably 1 to 60 g, but not necessarily limited to this range. The daily intake amount may be one time or may be divided into 2 to 4 times and may be ingested.
本発明阻害剤及び本発明組成物は、優れたメイラード反応阻害作用を有するため、老化に伴って生じる現象、例えば、白内障、軟骨の弾力低下、皮膚の老化(皮膚の弾力低下、しわやたるみの原因となるコラーゲンの架橋形成、肌のくすみの原因となる色素沈着等)の抑制に用いることができる。また、本発明阻害剤は、メイラード反応が関与することが知られている、糖尿病合併症(例えば、心筋梗塞、糖尿病性腎症、糖尿病性網膜症、糖尿病性神経症)の予防又は治療に用いることもできる。
経口剤
本発明経口剤は、本発明阻害剤を含有する、経口摂取が可能な組成物を意味する。本発明経口剤は、本発明阻害剤をそのまま又は必要に応じて、経口剤を製造する際に用いられる医薬上又は食品上許容される添加剤とを適量配合したものを、常法により製剤化することにより得ることができる。かかる添加剤としては、賦形剤、充填剤、増量剤、結合剤、崩壊剤、界面活性剤、調味料、香料、滑沢剤等を挙げることができる。
Since the inhibitor of the present invention and the composition of the present invention have an excellent Maillard reaction inhibitory action, a phenomenon that occurs with aging, for example, cataract, a decrease in elasticity of cartilage, aging of skin (a decrease in elasticity of skin, wrinkles and sagging It can be used for suppressing the formation of cross-linkage of collagen, which is a cause, and the pigmentation that causes dullness of skin). Further, the inhibitor of the present invention is used for the prevention or treatment of diabetic complications (for example, myocardial infarction, diabetic nephropathy, diabetic retinopathy, diabetic neuropathy), which are known to involve Maillard reaction. You can also
Oral agent The oral agent of the present invention means a composition containing the inhibitor of the present invention and capable of being taken orally. The oral preparation of the present invention is obtained by formulating an appropriate amount of the inhibitor of the present invention as it is or, if necessary, with a pharmaceutically or food-acceptable additive used in the production of an oral preparation by a conventional method. Can be obtained by Examples of such additives include excipients, fillers, fillers, binders, disintegrants, surfactants, seasonings, fragrances, lubricants and the like.
本発明経口剤の製剤化に際して、他の生理機能を有する素材を配合することもできる。本発明経口剤の剤型は特に限定されず、例えば、錠剤、散剤、顆粒剤、カプセル剤、液剤、シロップ剤、ドロップ剤を挙げることができる。 When formulating the oral preparation of the present invention, other materials having physiological functions can be blended. The dosage form of the oral preparation of the present invention is not particularly limited, and examples thereof include tablets, powders, granules, capsules, solutions, syrups, and drops.
本発明経口剤における本発明阻害剤の含有量としては、含有されている本発明に係る植物エキスの種類、剤型等に合わせて適宜調製すればよいが、例えば、製剤全量中、本発明阻害剤を固形分換算で、0.5〜60%、好ましくは3〜50%、特に好ましくは5〜10%の範囲内で配合すれば良い。 The content of the inhibitor of the present invention in the oral preparation of the present invention may be appropriately adjusted according to the type of the plant extract according to the present invention contained, the dosage form, and the like. The agent may be added in a range of 0.5 to 60%, preferably 3 to 50%, and particularly preferably 5 to 10% in terms of solid content.
本発明経口剤の摂取量は、含有されている本発明に係る植物エキスの種類、剤型、投与対象者の年齢、体重等により異なるが、通常、成人1日当り、本発明に係る植物エキスの重量として、0.1〜100gの範囲内とするのが適当であり、1〜60gの範囲内とするのが好ましいが、必ずしもこの範囲に限られるものではない。かかる1日当りの摂取量は、1回で摂取してもよく、また、2〜4回に分割して摂取してもよい。
外用剤
本発明外用剤は、本発明阻害剤を含有する、外用で使用することが可能な組成物を意味する。
The intake amount of the oral preparation of the present invention varies depending on the type, dosage form, age, body weight, etc. of the contained plant extract according to the present invention, but usually the adult plant extract of the present invention per day The weight is appropriately in the range of 0.1 to 100 g, preferably in the range of 1 to 60 g, but not necessarily limited to this range. The daily intake amount may be one time or may be divided into 2 to 4 times and may be ingested.
External preparation The external preparation of the present invention means a composition containing the inhibitor of the present invention, which can be used externally.
本発明外用剤は、本発明阻害剤をそのまま又は必要に応じて、外用剤を製造する際に用いられる医薬上、化粧上又は食品上許容される添加剤とを適量配合したものを常法により製剤化することにより得ることができる。かかる添加剤としては、軟膏用基材、アルコール、多価アルコール、水溶性高分子、酸化防止剤、pH調整剤、紫外線防止剤、金属イオン封鎖剤、増粘剤、界面活性剤、精製水、防腐剤、抗菌剤、油剤、高級脂肪酸、脂肪酸エステル、保湿剤、色素、ビタミン類、アミノ酸類等を挙げることができる。 The external preparation of the present invention, the inhibitor of the present invention as it is or, if necessary, a mixture of an appropriate amount of a pharmaceutically, cosmetically or food-acceptable additive used in the preparation of an external preparation is prepared by a conventional method. It can be obtained by formulating. Examples of such additives include bases for ointments, alcohols, polyhydric alcohols, water-soluble polymers, antioxidants, pH adjusters, UV inhibitors, sequestering agents, thickeners, surfactants, purified water, Preservatives, antibacterial agents, oils, higher fatty acids, fatty acid esters, humectants, pigments, vitamins, amino acids and the like can be mentioned.
さらに、本発明阻害剤を、公知の医薬部外品、化粧品に配合して本発明外用剤として用いることもできる。 Furthermore, the inhibitor of the present invention can be used as the external preparation of the present invention by blending it with known quasi drugs and cosmetics.
本発明外用剤には、本発明阻害剤のほか、老化抑制効果を高めるための成分を更に配合したり、他の生理機能を有する素材を配合することもできる。かかる成分としては、例えば、紫外線防止剤、酸化防止剤、保湿剤、細胞賦活剤、血流促進剤を挙げることができる。これらの1種又は2種以上を適当量使用することができる。 In addition to the inhibitor of the present invention, the external preparation of the present invention can be further blended with a component for enhancing the effect of suppressing aging, or can be blended with another material having a physiological function. Examples of such components include a UV inhibitor, an antioxidant, a moisturizer, a cell activator, and a blood flow promoter. One or more of these can be used in an appropriate amount.
本発明外用剤の具体的な使用態様としては、特に限定されず、例えば、化粧水、乳液、クリーム、軟膏、ローション、オイル、パックを挙げることができる。 A specific use mode of the external preparation of the present invention is not particularly limited, and examples thereof include lotion, emulsion, cream, ointment, lotion, oil, and pack.
本発明外用剤における本発明阻害剤の含有量としては、含有されている本発明に係る植物エキスの種類、剤型等に合わせて適宜調製すればよいが、例えば、製剤全量中、固形分換算で、0.0001〜30%、好ましくは0.001〜25%、特に好ましくは0.5〜20%の範囲で配合すればよい。 The content of the inhibitor of the present invention in the external preparation of the present invention may be appropriately adjusted according to the type of the plant extract according to the present invention contained, the dosage form, etc., for example, in the total amount of the preparation, in terms of solid content. Then, it may be added in an amount of 0.0001 to 30%, preferably 0.001 to 25%, and particularly preferably 0.5 to 20%.
本発明外用剤の使用量は、含有されている本発明に係る植物エキスの種類、剤型、投与対象者の年齢、体重等により異なるが、通常、成人1日当り、植物エキスの重量として、0.1〜100gの範囲内とするのが適当であり、1〜60gの範囲内とするのが好ましいが、必ずしもこの範囲に限られるものではない。かかる1日当りの使用量は、1回で使用してもよく、また、2〜4回に分割して使用してもよい。
飲食品
本発明飲食品は、本発明阻害剤と公知の食材又は飲食品とを混合して、常法により、食品に加工することにより得ることができる。
The amount of the external preparation of the present invention to be used varies depending on the type of the plant extract contained in the present invention, the dosage form, the age and weight of the administration subject, etc. It is suitable to be in the range of 1 to 100 g, preferably in the range of 1 to 60 g, but it is not necessarily limited to this range. The amount used per day may be used once, or may be divided into 2 to 4 times and used.
Food and Beverage The food and drink of the present invention can be obtained by mixing the inhibitor of the present invention with a known food material or food and drink and processing it into food by a conventional method.
本発明飲食品の形態は特に限定されず、例えば、粉末状、塊状、液状、シロップ状、ゼリー状を挙げることができる。 The form of the food or drink of the present invention is not particularly limited, and examples thereof include powder, mass, liquid, syrup, and jelly.
本発明飲食品には、食品上許容される他の成分を配合することができる。かかる成分としては、例えば、栄養素、賦形剤、増量剤、甘味料、香味剤、着色剤、防腐剤、乳化剤、可溶化剤、多価アルコール、有機酸、無機酸、水溶性高分子を挙げることができる。これらの1種又は2種以上を適当量使用することができる。 The food or drink of the present invention may be mixed with other food-acceptable components. Examples of such components include nutrients, excipients, bulking agents, sweeteners, flavoring agents, coloring agents, preservatives, emulsifiers, solubilizers, polyhydric alcohols, organic acids, inorganic acids, water-soluble polymers. be able to. One or more of these can be used in an appropriate amount.
本発明飲食品の種類としては、例えば、飲料(清涼飲料、乳飲料、ジュース、茶類等)、粉末飲料(粉末ジュース、粉末スープ等)、練製品(畜肉ソーセージ、魚肉ソーセージ、かまぼこ、竹輪等)、惣菜(オムレツ、卵焼、ハンバーグ、コロッケ、ミーとボール、酢の物、酢豚、サラダ、餃子、しゅうまい、ロールキャベツ、豆腐、筑前煮、煮豆、ひじき煮、唐揚、天ぷら、フライ、茶碗蒸、胡麻和え、サラダ、カレー、シチュー、スープ、チャーハン、おにぎり、餅、ふりかけ、味噌汁等)、麺類(うどん、そうめん、そば、スパゲッティ、マカロニ、ラーメン等)、調理パン(ハンバーガー、ホットドッグ、サンドイッチ等)、パン(食パン、フランスパン等)、菓子(ケーキ、クッキー、ウエハース、クレープ、ヨーグルト、プリン、キャンディー、ガム、アイスクリーム、キャラメル、チョコレート、ドーナツ、せんべい、ようかん、ういろう、もなか、まんじゅう、大福餅、おはぎ、団子、甘納豆、中華まん等)を挙げることができる。この他、マヨネーズ、サラダドレッシング等も挙げることができる。 The types of food and drink of the present invention include, for example, beverages (soft drinks, milk drinks, juices, teas, etc.), powdered drinks (powdered juice, powdered soup, etc.), paste products (live meat sausage, fish sausage, kamaboko, bamboo rings, etc. ), side dish (omelet, omelet, hamburger, croquette, me and balls, vinegared food, vinegared pork, salad, dumplings, shimai, roll cabbage, tofu, boiled chikuzen, boiled beans, hijiki boiled, fried chicken, tempura, fry, chawanmushi, sesame sauce. , Salad, curry, stew, soup, fried rice, rice ball, rice cake, sprinkle, miso soup), noodles (udon, somen, soba, spaghetti, macaroni, ramen, etc.), cooked bread (hamburger, hot dog, sandwich, etc.), bread (Bread, French bread, etc.), confectionery (cake, cookie, wafer, crepe, yogurt, pudding, candy, gum, ice cream, caramel, chocolate, donut, rice cracker, yokan, uiro, monaka, manju, daifuku mochi, ohagi, Examples include dumplings, natto, Chinese buns, etc.). In addition, mayonnaise, salad dressing, etc. can be mentioned.
本発明飲食品への本発明阻害剤の添加量は、添加剤の有無や食品の種類等により異なるが、含有されている本発明に係る植物エキスの固形分換算で0.01〜50%の範囲内とするのが適当であり、0.1〜30%の範囲内とするのが好ましいが、必ずしもこの範囲に限られるものではない。 The amount of the inhibitor of the present invention added to the food or drink of the present invention varies depending on the presence or absence of the additive, the type of food, etc., but is 0.01 to 50% in terms of the solid content of the contained plant extract of the present invention. It is suitable to be within the range, preferably 0.1 to 30%, but not necessarily limited to this range.
本発明飲食品の摂取量は、摂取者の性別、年齢、体重等によって異なる。かかる摂取量は、成人1日当り、本発明に係る植物エキスの重量として、0.1〜100gの範囲内とするのが適当であり、1〜60gの範囲内とするのが好ましいが、必ずしもこの範囲に限られるものではない。かかる1日当りの使用量は、1回で使用してもよく、また、2〜4回に分割して使用してもよい。 The intake amount of the food or drink of the present invention varies depending on the sex, age, weight, etc. of the recipient. Such an amount of intake is appropriately in the range of 0.1 to 100 g, preferably in the range of 1 to 60 g, as the weight of the plant extract according to the present invention per day for an adult, but this is not always necessary. It is not limited to the range. The amount used per day may be used once, or may be divided into 2 to 4 times and used.
以下に参考例、抽出例、試験例、実施例を掲げて本発明をさらに詳述する。但し、本発明が下記実施例に限定されないことは言うまでもない。
参考例1 ケイシエキス(50%エタノール抽出)の製造
ケイシ粉末(前忠株式会社製)5gを50%エタノール100mLに浸漬し、常温で5日間静置した後、濃縮、凍結乾燥し、ケイシエキスを得た。
抽出例1 各植物エキス(メタノール抽出)の製造
表1に記載の番号1〜19の各植物を風乾後、60℃で一晩乾燥させた。ブレンダーにて粉砕後、得られた粉砕物 100gをメタノール500mLに浸漬し、常温で一週間静置した。得られた抽出液をろ過して得られたろ液はロータリーエバポレーターでメタノールを留去して乾固し、番号1〜19の各植物エキスを得た。
Hereinafter, the present invention will be described in more detail with reference to Reference Examples, Extraction Examples, Test Examples, and Examples. However, it goes without saying that the present invention is not limited to the following examples.
Reference Example 1 Production of cabbage extract (50% ethanol extraction) 5 g of cabbage powder (manufactured by Maeda Corporation) was immersed in 100 mL of 50% ethanol, allowed to stand at room temperature for 5 days, then concentrated and freeze-dried to obtain a caustic extract. ..
Extraction Example 1 Production of Plant Extracts (Methanol Extraction) The plants of Nos. 1 to 19 shown in Table 1 were air-dried and then dried at 60° C. overnight. After pulverizing with a blender, 100 g of the obtained pulverized product was immersed in 500 mL of methanol and allowed to stand at room temperature for 1 week. The filtrate obtained by filtering the obtained extract was evaporated to dryness by removing the methanol with a rotary evaporator to obtain each plant extract of Nos. 1 to 19.
試験例1 メイラード反応阻害活性の測定
参考例1、抽出例1で得られた各植物エキスはジメチルスルホキシド(DMSO)に30mg/mLとなるように溶解した。なお、参考例1のケイシエキスを陽性対照として用いた。また、陰性対照には、検体の代わりにDMSOを用いた。
Test Example 1 Measurement of Maillard Reaction Inhibitory Activity Each plant extract obtained in Reference Example 1 and Extraction Example 1 was dissolved in dimethyl sulfoxide (DMSO) at 30 mg/mL. In addition, the caustic extract of Reference Example 1 was used as a positive control. Further, DMSO was used as a negative control instead of the sample.
各検体はDMSOで、試験溶液中の植物エキスの最終濃度が10、5、2.5、1.25、0.625μg/mLとなるように調製した。各検体20μL、100mMリン酸バッファー500μL、蒸留水180μL、2Mグルコース溶液100μL、4mg/mL BSA溶液200μLを1.5mLマイクロテストチューブ(アズワン社製)に入れて混合し、試験溶液とした。その後、試験溶液及び陰性対照を60℃下30時間インキュベートした。 Each sample was prepared with DMSO so that the final concentration of the plant extract in the test solution was 10, 5, 2.5, 1.25, 0.625 μg/mL. 20 μL of each sample, 500 μL of 100 mM phosphate buffer, 180 μL of distilled water, 100 μL of 2M glucose solution, 200 μL of 4 mg/mL BSA solution were placed in a 1.5 mL microtest tube (manufactured by AS ONE) and mixed to prepare a test solution. Then, the test solution and the negative control were incubated at 60°C for 30 hours.
次に、この反応液1mLへトリクロロ酢酸(TCA)100mLを添加し、4℃下、15000rpmで4分間遠心分離した。上清を除去後、残った沈殿物を0.25N 水酸化ナトリウム−PBS溶液1mLにて溶解した。得られた試験溶液を、蛍光プレートリーダー(インフィニットM200FAL、552−82631、TECAN社製)を用いて、励起波長360nm、蛍光波長440nmにて蛍光測定した。 Next, 100 mL of trichloroacetic acid (TCA) was added to 1 mL of this reaction liquid, and the mixture was centrifuged at 15000 rpm for 4 minutes at 4°C. After removing the supernatant, the remaining precipitate was dissolved in 1 mL of a 0.25N sodium hydroxide-PBS solution. The obtained test solution was subjected to fluorescence measurement at an excitation wavelength of 360 nm and a fluorescence wavelength of 440 nm using a fluorescence plate reader (Infinite M200FAL, 552-82631, manufactured by TECAN).
ブランク1として、陰性対照と同組成の溶液であって、インキュベートしていないものを用いた。また、試験溶液と同組成の溶液であって、インキュベートしていないものをブランク2とした。 As blank 1, a solution having the same composition as the negative control but not incubated was used. Further, a solution having the same composition as the test solution and not incubated was designated as blank 2.
メイラード反応阻害活性(%)は、以下の数式に従い算出した。 The Maillard reaction inhibitory activity (%) was calculated according to the following mathematical formula.
横軸に試料の濃度(mg/mL)、縦軸にメイラード反応阻害活性(%)をとった対数グラフを作成し、50%阻害活性を示す濃度(IC50)を算出した。その結果を表2に示す。 A logarithmic graph in which the horizontal axis represents the sample concentration (mg/mL) and the vertical axis represents the Maillard reaction inhibitory activity (%) was prepared, and the concentration showing 50% inhibitory activity (IC 50 ) was calculated. The results are shown in Table 2.
表2に示したとおり、本発明に係る植物エキスは、強力なメイラード反応阻害作用が報告されているケイシのIC50と同等またはそれ以上の阻害活性を示し、優れたメイラード反応阻害作用を有することが示された。 As shown in Table 2, the plant extract according to the present invention exhibits an inhibitory activity equal to or higher than the IC 50 of Keishi, which has been reported to have a strong inhibitory effect on Maillard reaction, and has an excellent inhibitory effect on Maillard reaction. It has been shown.
抽出例2 アセンヤクノキおよびヌルデの植物エキスの製造
表1および2に記載の番号4(ヌルデ、虫えい)および番号12(アセンヤクノキ、心材)について、各植物を風乾後、60℃で一晩乾燥させ、ブレンダーにて粉砕した。得られた粉砕物 2gおよび30mLの各抽出溶媒(99.5%エタノール、70%含水エタノールまたは水)を50mL容のスクリューキャップ付試験管に入れて攪拌した後、80℃で30分間静置した。得られた抽出液をろ過して得られたろ液はロータリーエバポレーターで濃縮乾固し、表3に記載の番号20〜25の各植物エキスを得た。
試験例2 メイラード反応阻害活性の測定
抽出例2で得られた各植物エキスは、試験例1の方法に従って、メイラード反応阻害活性を測定した。ただし、各植物エキスはDMSOの代わりに各抽出溶媒に溶解し、検体調製には、DMSOの代わりに各抽出溶媒を用いた。試料溶液中の植物エキスの最終濃度は10、5、2、0.2、0.1μg/mLとなるよう調製した。また、陽性対照として、アセンヤクノキ(心材)およびヌルデ(虫えい)のメタノール抽出エキスを用い、陰性対照として、検体の代わりに抽出溶媒を用いた。
Extraction Example 2 Production of plant extract of Acacia catechu and Nurude With respect to No. 4 (Nurude, insect gall) and No. 12 (Acacia catechu, heartwood) described in Tables 1 and 2, each plant was air-dried and then dried at 60° C. overnight. It was crushed with a blender. 2 g of the obtained pulverized product and 30 mL of each extraction solvent (99.5% ethanol, 70% water-containing ethanol or water) were put into a test tube with a screw cap of 50 mL and stirred, and then allowed to stand at 80° C. for 30 minutes. .. The filtrate obtained by filtering the obtained extract was concentrated to dryness with a rotary evaporator to obtain each plant extract of Nos. 20 to 25 shown in Table 3.
Test Example 2 Measurement of Maillard reaction inhibitory activity For each plant extract obtained in Extraction Example 2, Maillard reaction inhibitory activity was measured according to the method of Test Example 1. However, each plant extract was dissolved in each extraction solvent instead of DMSO, and each sample extraction solvent was used instead of DMSO. The final concentration of the plant extract in the sample solution was adjusted to be 10, 5, 2, 0.2, 0.1 μg/mL. As a positive control, a methanol extract of Acacia catechu (heartwood) and nullde (insect worm) was used, and as a negative control, an extraction solvent was used instead of the sample.
その結果を表3に示す。 The results are shown in Table 3.
表3に示したとおり、本発明に係る植物エキスは、試験例2で用いたいずれの溶媒で抽出したエキスであっても、優れたメイラード反応阻害作用を有することが示された。 As shown in Table 3, it was shown that the plant extract according to the present invention had an excellent Maillard reaction inhibitory action regardless of the extract extracted with any of the solvents used in Test Example 2.
抽出例3 ヒシ属の植物エキスの製造
ヒシ(Trapa japonica Flerov)の果実、トウビシ(Trapa bispinosa Roxb.)の果実および果皮、オニビシ(Trapa natans L.var.japonica Nakai )の果実および果皮について、抽出例2と同様の方法に従って植物エキスの製造を行い、各植物エキスを得た。
試験例3 メイラード反応阻害活性の測定
試験例2と同様の方法に従って、表4に記載の番号26〜37の各植物エキスについてメイラード反応阻害活性の測定を行った。ただし、陽性対照として、ヒシ(果実)のメタノール抽出エキスを用いた。
Extraction Example 3 Production of a plant extract of the genus Rhizome The fruit of Trapa (Trapa japonica Flerov), the fruit and pericarp of Trapa bispinosa Roxb. A plant extract was produced in the same manner as in 2 to obtain each plant extract.
Test Example 3 Measurement of Maillard reaction inhibitory activity According to the same method as in Test Example 2, the Maillard reaction inhibitory activity was measured for each plant extract of Nos. 26 to 37 shown in Table 4. However, as a positive control, a methanol-extracted extract of Hishi (fruit) was used.
その結果を表4に示す。 The results are shown in Table 4.
表4に示したとおり、本発明に係る植物エキスは、優れたメイラード反応阻害作用を有することが示された。 As shown in Table 4, it was shown that the plant extract according to the present invention has an excellent Maillard reaction inhibitory action.
次に、本発明阻害剤を含有する経口剤、外用剤、飲食品の実施例を示す。
実施例1 経口剤(錠剤)の調製
以下の配合割合に従い、各成分を混合して、常法に従って錠剤を製造する。
Next, examples of oral preparations, external preparations and foods and drinks containing the inhibitor of the present invention will be shown.
Example 1 Preparation of oral preparation (tablet) The components are mixed according to the following compounding ratio to produce tablets according to a conventional method.
実施例2 経口剤(顆粒剤)の調製
以下の配合割合に従い、各成分を混合して、常法に従って顆粒剤を製造する。
Example 2 Preparation of Oral Agent (Granule) Granules are manufactured according to a conventional method by mixing the components in the following mixing ratio.
実施例3 経口剤(ソフトカプセル剤)の調製
以下の配合割合に従い、各成分を混合して、常法に従ってソフトカプセル剤を製造する。
Example 3 Preparation of Oral Formulation (Soft Capsule) Each component is mixed according to the following blending ratio to produce a soft capsule according to a conventional method.
実施例4 外用剤(クリーム)の調製
以下の配合割合に従い、各成分を混合して、常法に従ってクリームを製造する。
Example 4 Preparation of external preparation (cream) The ingredients are mixed in the following mixing ratio to produce a cream according to a conventional method.
実施例5 外用剤(化粧水)の調製
以下の配合割合に従い、各成分を混合して、常法に従って化粧水を製造する。
Example 5 Preparation of external preparation (lotion) Tonic lotion is produced according to a conventional method by mixing the components in the following blending ratio.
実施例6 飲食品(飲料)の調製
以下の配合割合に従い、各成分を混合して、常法に従って飲料を製造する。
Example 6 Preparation of Food and Beverage (Beverage) Beverages are manufactured according to a conventional method by mixing the components according to the following blending ratios.
実施例7 飲食品(キャンデー)の調製
以下の配合割合に従い、各成分を混合して、常法に従ってキャンディーを製造する。
Example 7 Preparation of food and drink (candy) According to the following blending ratio, the respective components are mixed to produce a candy according to a conventional method.
Claims (7)
A composition for preventing or treating diabetic complications, comprising the Maillard reaction inhibitor according to claim 1 or 2.
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JP5805226B2 (en) | 2015-11-04 |
JP6674001B2 (en) | 2020-04-01 |
JP2014094964A (en) | 2014-05-22 |
JP6420376B2 (en) | 2018-11-07 |
JP2017095492A (en) | 2017-06-01 |
JP2010077123A (en) | 2010-04-08 |
JP2015232025A (en) | 2015-12-24 |
JP6131993B2 (en) | 2017-05-24 |
JP2019023215A (en) | 2019-02-14 |
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