Medicinal plants and medical plant materials that contain tannic substances

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Medicinal plants and medical plant materials that contain tannic substances 

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Tannins are astringent, bitter plant polyphenols that either bind and precipitate or shrink proteins. مر جو[ *" ص ا 0 ‎Decca‏ BU eee eR ‏ل‎ ‎NN ‏و‎ a Poe om PE aR Cy ‏اس او‎ a ca De em aS NCA ‏ارام ان رون وه وا‎ 

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The word tannin is very old and reflects a traditional technology. "Tanning" (waterproofing and preserving) was the word used to describe the process of transforming animal hides into leather by using plant extracts ‏و‎ different plant 1 CS a 

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Complex tannins أ ‎TANNINS. ———>‏ هم ‎۳ ‎Gallotannins (Catoctin moiety | oy Ellagitannins How OX al ‎on ‎I ‎ja J ‏تب‎ ‎OH (Catachin moiety, ‎Condensed tannins ‎ 

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Pedunecalagin اس سس هم ۱۳۹۱ 

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oH ‏بسن رن‎ ‏دس لكي‎ ‏اس‎ Epivatechin Galata Epigallocatechin 

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oH fechin Gallate Gallocatechir 2 OH Gallocatechin Gallate 

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Classification of tannins 4. Provter’s chissificaiod (JOO): DNS ‏اه و‎ ‏لصوم , امامپحصوو بر وه‎ 

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On the basis of their structural characteristics it is therefore possible to divide the tannins into four major groups: Gallo- tannins, ellagitannins, complex tannins, and condensed tannins (Fig. 1). (1) Gallotannins are all those tannins in which galloyl units or their meta-depsidic derivatives are bound to diverse polyol-, catechin-, or triterpenoid units. (2) Ellagitannins are those tannins in which at least two galloyl units are C-C coupled to each other, and do not contain a glycosidically linked catechin unit. (3) Complex tannins are tannins in which a catechin unit is bound glycosidically to a gallotannin or an ellagitannin unit. (4) Condensed tannins are all oligomeric and polymeric proanthocyanidins formed by linkage of C-4 of one catechin with C-8 or C-6 of the next monomeric catechin. 

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Tannins Gallotannins Ellagitannins Complex Tannins Condensed Tannins ‎ofthe tnnins‏ تنس او ‎ 

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Two main groups of tannins are usually recognized; these are the hydrolysable tannins and the condensed tannins (proanthocyanidins). 

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Hydrolysable tannins 

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They may be hydrolysed by acids or enzymes such as tannase. They are formed from several molecules of phenolic acids such as gallic and hexahydroxydiphenic acids which are united by ester linkages to a central glucose molecule. ‎ae‏ ها 

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‎na‏ همیمض مس سس ‎eat ciao‏ ی ‎۱ icici (2 eee ces Cae as aS Ca ‏یس‎ laza ‎2 cg 0000 

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Condensed tannins (proanthocyanidins) 

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Unlike hydrolysable tannins, these are not readily hydrolysed to simpler molecules and they do not contain a sugar moiety. They are related to the flavonoid pigments and have polymeric flavan-3-ol structures. 

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They ae divided cto 9S ycvups ws welt Nc ‏ا‎ rs ceeds 55700101000006 . (عدسارواد اه جمادرلك) حدوججالادرور *أم جدر فول - 5 

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Occurrence of tannins Cee Ne aN ee BOD Ne em PASE SNS ARS 00 2 ‏ا ل‎ aes rs Ne ‏ا ا‎ PC e eee EAS Pe ie DRS EAS VACA a CASAS ars ice ee erent ISM AS a AROS MLD cas DELL 

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Properties and tests BS Nc anc a cca AN CL ce ‏ا‎ ARS ca ۳ RSI ‏ی‎ Exc elec Daca] OA ‏عصكاص جز عأحان امك برإبعو مومع‎ Pata hPa Aca 6 2 ‏,نات‎ ‎ND aie NSN RS EIS he ® Docces vot be extraned wits hot water, ard ‏ل ل ةا‎ AL cad ‏رس ار دای دح سم‎ 

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Identification OF eye cea A Cod NU DA cae eee ema ete ese can] ‏ا لك‎ ANS Nes ل 0 40 ‎Cha LEAS ed‏ الل ا ل امه ری را ‎CALAN‏ ۳ ام مر رم ی ‎cas‏ 200 ص ار ل ا ۱ ۳ 

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‎eA Pane PAS aes DezaeI EL em Neha had‏ ا رز( ‎PANS 2 eS‏ ا 0 ‎eA Pe EDP, oe‏ رو ی رت و یا ص و ‎LEAL OOD)‏ ا 40 ‎OG‏ ی و مراک دراک ارت ‎VOL Nee PAs‏ 

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Biological action and uses of tannins 0 ‏ا‎ Eas ahs ARS SS ba ENS ACh omc ‏جلعد م مكمه لول ادج صم جه لاسي‎ ن اص مر 2 نا ‎ae oa‏ عرص راک و ی ‎Se‏ ‎ce‏ ۱ ‎DOA Ae pcan a NS aero Cas esl eee ap‏ مس رم 0 ssc Cas Aas A Ae RNS eA cca anced ۱ ‏ا لي‎ SC ‏ا‎ ‎00 ‏ی‎ eC eca ca cee ce bCcee Fee Ec Se ‏ا‎ ‎0 ‏ا ل‎ SACL 

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A NA cn eA er ax CANS UL ecm mcr OAS UAC ‏ا ل‎ eDOCS] LOS ng CACASI Ens EL CAC ‏ل‎ hea Nem. ace ce ce NA sys cal ach car mca cP ALAN cd ca Casal CS ea TAS DC el CASA CACC Nahe A ‏ا‎ ca NSS SNe =A nc! CANS x DOA AU IRS a Shc CA ‏و‎ CL ae 

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MP and MPM containing tannins 

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5۵۱ ۱6۵۴ - ۳۳۵5 6۵۲۱۵۲۱۵۵ 02 Rhus coriaria- Sumach, Sicilian ‏رات‎ ۳ Anacardiaceae (cashew or sumac4 ~~ family) مس سسست سس م9 ‎sss is AS Pca CLs‏ 0 ‎a‏ ۳ ۳ 2020700 a ca ed 0 ‏ا ا‎ cas a cL Mea aie MY ena ‏مر‎ 

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otinus coggygria- Common Smoketree, Smokebush 0 ها ‎IND all‏ 1212 ی رم 5 مره رس مرک سح ‎CAS‏ سب رس ی رک ۱ 7 رم مس ما ‎AIT. ‎ 

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رتیت رت ‎Bergeniae Rhizomata‏ ‎Bergenia crassifolia - Badan,‏ ‎Elephant’s ears, Siberian tea‏ ‎Saxifragaceae‏ یم ‎someon) ۳‏ سس ا ,(90© صاسك) ماه 2 

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۱۰۱۱ ae ie ‏ییاه‎ Alnus incana, alnus glutinosa - Grey or Speckled Alder Alnus glutinosa- Black Alder, European Alder or Common ‏و۱‎ Betulaceae مک مت سم ‎ak ea cal eee‏ ل لك On A at ca a Rec ane ace Ne SENS CASAS ICL ‏جاه سود له‎ ‏اك‎ Ans cal Pas a ee CSCS ez wixes, “Koil” (supposiivries). ۱ eS CAAT Bef CAC NSN (ala CAL Exe ANSI toa Cah 

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هه فد وا ها ‎VAR‏ Quercus robur- Pedunculate Oak or English oak زرح هریت ‎Ofc as Ae a ass SaaS here‏ Se eee cen een ‏كاده جعولا لمه عنادي وص‎ ‏بعواوصدك ,بعل امومورواة‎ ‏وا ماو‎ 0 ee Ol ee ee Rr 

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را وروت ولاز Myrtilli Fructus Myrtilli Folia Vaccinium myrtillus- Bilberry Ericaceae (Heather family) سم سس ما ره ‎focus (IG Ay Se es‏ 2 ‎Sass cal (A‏ ۱ ا ‎CSO) cin cas es ain ac ea RS Sd‏ مرول ‎ne OA‏ ,)%©( ‎Cee a ane aeRO ANG era ashe anf‏ جه مجصءاجاص جز مصجاءصموتك أمصما جا اوجن كلسم () .جحلل ما جامد دمصاوج عانجهد ‎Cc ca‏ 0 ‎ara Let cael‏ اعوج ‎Me nae sche‏