From concept to commercialization, development of new drug products is time consuming and costly. - Severe renal impairment (GFR less than 30 ml/min/1.73 m2). Happily, have concluded that the product is vegan I like to phone the manufacturer at this point just to be sure. International Journal of Pharmaceutics: X offers authors with high-quality research who want to publish in a gold open access journal the opportunity to make their work How? continued to rally in November. A specialty biopharma company that deals in innovation, reinvention and optimization of existing medications is looking for a FDA certified CDMO for Oral Liquid Solution. Introduction to Starch 1500 partially pregelatinized maize starch. 3. In the pharmaceutical industry, starch is also used as an excipient, as tablet disintegrant, and as binder. While the disintegrant action of starch is substantially determined by the response of the starch particle to water uptake leading to a ballooning before the leakage of its contents and complete rupture, its use as a binder will depend on the cohesiveness resulting from the series of events that result in increased viscosity of the starch paste. Maize starch. - Hypersensitivity to the active substance or to any of the excipients listed in section 6.1. United European Gastroenterol J. There is only limited documentation for an effect in children (age 6-18 years), see section 4.2. They result in opaque and low-viscosity pastes [31] significantly reducing the swelling capacity of starch particles [32]. However the dissociation enthalpy of the amylose-lipid complexes of small granules is higher than that of large granules [51, 52]. Swelling and coalescence behavior of HPMC and Starch 1500, in order to monitor the contribution to gel layer formation in matrices. Methacrylic acid methyl methacrylate copolymer (1:2). Technically, microcrystalline cellulose is an excipient an inactive material that is used as a vehicle for an active substance. Tablets produced by dry granulation with yam (a large granule) starch as disintegrant were more friable than those formulated with cocoyam (a small granule) starch which also had the highest hardness. There is significant correlation between apparent amylose content and viscosity parameters such as peak viscosity (PV), minimum viscosity (MV), final viscosity (FV), breakdown (BD), total setback viscosity (TSV), and setback viscosity (SV) [24]. window.addEventListener('load', function() { The total dose should not exceed 4 g/day. Publishing on IntechOpen allows authors to earn citations and find new collaborators, meaning more people see your work not only from your own field of study, but from other related fields too. The lipids contained in starches in the form of phospholipids and free fatty acids [30] tend to form complexes with amylose and the long branches of amylopectin resulting in starch granules with limited solubility [28]. The elevation of growth temperature increases the gelatinization temperature of wheat starch due primarily to the enhanced presence of amylopectin double helices and probably enhanced rigidity of the amorphous region [29]. As a consumer, how do you protect yourself when trying to obtain information regarding the gluten status of a drug when the information you are receiving is either incomplete or questionable? Excipients can be synthetic or from natural sources that are derived from either plants or animals. The pattern is similar for acid or enzyme hydrolysis with small granules hydrolyzing faster than do large granules [53, 54]. Shellac. console.log('it works'); Patients should be closely observed for signs of infection and myelosuppression. Starch particle size distribution is affected by the environment with the elevation of growth temperature tending to decrease the number and size of starch granules [41]. Excipient(s) with known effect: Each tablet contains 140.10 mg of lactose monohydrate. Lower total cost and reduce time to market, Life cycle management through modified delivery profiles and product line extensions, Reduce medication errors and improve patient adherence, Stable and consistent product performance, Assessment of Low Dose Content Uniformity of Indomethacin, Direct Compression Formulation of Loratadine (10 mg) Tablets, Formulating Veterinary Tablets for Palatability and Acceptance, Formulation of Veterinary Chewable Tablets, Increasing the Compactability of Echinacea Purpurea Powder using Starch 1500, Lactose Replacement with Starch 1500 in a direct compression formula, Replacement of Di Basic Calcium Phosphate with Starch 1500 in a DC Formula, Starch 1500 as a Binder and Disintegrant in XCH (Xiaochaihu) Herbal Extract/Powder Tablet, Starch 1500 used as a Binder Disintegrant in High Shear Wet Granulation Comparison to Povidone and Croscarmellose Sodium, Wet Granulation of Acetaminophen with Starch 1500, Free and Bound Water in Starch 1500 compared to other excipients, Improving the Stability of a Moisture-Sensitive Drug - Ranitidine HCl, Insights on Moisture Scavenging Properties of Starch 1500, AAPS 2005 - Particle Swelling and Coalescence to Gel Layer Formation, AAPS 2006 - Modulation of Drug Release from Hypromellose (HPMC) Matrices: Suppression of the Initial Burst Effect, AAPS 2008 - Narrowing the Gap Between Clinical and Commercial Formulations, AAPS 2010 - Effect of Filler Type on Low Dose Acetaminophen Hydrophilic Matrix Formulations, AAPS 2010 - Influence of Filler Type in the Blend Uniformity of Micronized Drugs, AAPS 2011 - Barrier Membrane Coating of Hydrophilic Matrices of Sparingly Soluble Drug, Acetaminophen: A Strategy to Reduce Possible Food Effect, AAPS 2011 - Effect of Drug Particle Size on Blend Segregation and Content Uniformity of Low Dose Tablets, AAPS 2012 - Barrier Membrane Coated Hydrophilic Matrices: Robustness of Metoprolol Tartrate Release under Biorelevant Test Conditions Impact of Media Composition, AAPS 2012 - Investigation of Synergistic Behavior of Excipients in Direct Compression Using a Rotary Press Simulator, AAPS 2012 - Stability of Ethylcellulose Barrier Membrane Coated Hydrochlorothiazide Matrices Comprising Starch 1500 or Lactose as Filler, AAPS 2015 - Eliminating Burst Release of Highly Soluble Drug from Hydrophilic Matrix Tablets Using Venlafaxine as a Model Drug, AAPS 2015 - Enhancing the Stability of a Famotidine Tablet Formulation through Use of Starch 1500, AAPS 2019 - Evaluation of Partially Pregelatinized Starch in a Continuous High Shear Wet Granulation Process, AAPS 2020 - Fundamental Evaluation of Moisture Scavenging Property of Partially Pregelatinized Maize Starch using Thermoanalytical Techniques, AAPS 2020 - Stability Improvement of a Moisture-Sensitive Drug, Ranitidine HCl, with the Inclusion of a Partially Pregelatinized Starch, AAPS 2021 - Dissolution of Glucosamine Veterinary Chewable Tablets Using Ultra High Performance Liquid Chromatography-Charged Aerosol Detection, AAPS 2022 - The Effect of a Clean-Label, Plant-Based Natural Glidant on the Flow Properties of Multiple Model Powders Compared to a Synthetic Glidant, CRS 2010 - Effect of Processing Conditions on Hypromellose Matrix Formulations of Acetaminophen Prepared by a High Shear Wet Granulation Process, CRS 2011 - Use of Starch 1500 to Minimize Variability on Drug Release from Hypromellose Matrices, Effect of Filler Type on the Stability of Polyethylene Oxide in a Hydrophilic Matrix Tablet, Excipient Science in Protecting Moisture Sensitive Drugs, Formulating Veterinary Chewable Tablets to Improve Palatability and Acceptance, Formulation of Acetylsalicylic Acid Tablets for Aqueous Enteric Film Coating, Formulation of Low Dose Medicines - Theory and Practice, From Core to Coating - A Supplement from The Medicine Maker, Influence of Excipients on Drug Release from Hydroxypropyl Methylcellulose Matrices, The Effect of Core Design and Formulation on the Quality of Film Coated Tablets. Ideally, excipients should be inert, however, recent reports of adverse reactions have suggested otherwise. window.addEventListener('load', function() { White to off-white round shaped tablets, debossed with LV1 on one side and plain on the other side. The extent of changes induced in the starch particle by heating depends on the temperature and duration [18] and has been reported to be greatly influenced by the starch species [1]. The current project is in Phase 3. The membranous structures and physical characteristics of plastids can affect the arrangement and association of the amylose and the amylopectin molecules within the granules [43] with amylose content increasing with granule maturity [44]. We are a community of more than 103,000 authors and editors from 3,291 institutions spanning 160 countries, including Nobel Prize winners and some of the worlds most-cited researchers. Vol. Overview of highly potent or high potency API (HPAPI) & more on Gentec's contract manufacturing services for high potency drugs on PharmaCompass. The conformation and the extent of branching of the molecules also determine the speed with which water can access and eventually disrupt the bonds within the molecule. While, in most cases, formulations containing novel starches meet the compendial quality standards, they differed from those containing the official starches. Octasa treatment was compared to sulfasalazine in three studies, to another proprietary oral mesalazine product in one study, and to placebo in one study. Lactose 48.86mg per tablet. Doi: 10.1177/2050640619844125.');jQuery(".footnote-list-item").each(function(i) { ()');jQuery(".footnote-list-item").each(function(i) { PHARMANEST PUBLICATIONS. Under co-administration of mesalazine with immunosuppressive drugs such as azathioprine, or 6-MP, or thioguanine, life threatening infection can occur, see section 4.5. Studies using starches obtained from diverse sources have shown that the source of a starch will affect its function as a sustained release excipient [61, 62, 63]. VOLUME 5(2) March - April 2014. intended suicide with high oral doses of mesalazine), which do not indicate renal or hepatic toxicity. This holds true especially for gastrointestinal undesirable effects, arthralgia, and alopecia. Though the gluten-free market has grown immensely over recent years, and is still growing, many gluten-free products are not enriched and have lower amounts of folate, iron, thiamin, niacin, fiber, and riboflavin. 6.1 List of excipients. Often, you are told that the company does not use any gluten in the manufacturing of their product, but they wont guarantee that its gluten-free. When the excipient listed for the product contains the single word starch, it can come from any starch source. No interaction studies have been performed. The specific source of starch, the environmental conditions during starch maturation, and the age of the plant affect the physicochemical composition of the starch. Lactose monohydrate. The required packaging is in glass or plastic bottle of 150 ml to 240 ml. The required quantity is 50 units. Poster Reprint from AAPS 2019 in San Antonio, TX, USA. }, false); Starch 1500 products are designed to meet regulatory needs worldwide. A company that deals in the import and distribution of various pharmaceutical products is looking for suppliers of 6-Aminopenicillanic Acid API for commercial purposes. The required packaging is clear and amber glass vial of 10 ml. Healthcare professionals are asked to report any suspected adverse reactions via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. Cytotec contains less than 1 mmol sodium (23 mg) per tablet, that is to say essentially 'sodium free'. All contributions are tax deductible to the extent allowable by law. This section will examine the effect that the specific plant sources have on some physicochemical properties of starch that are relevant to their use in pharmaceutical formulations. About 43% mesalazine and about 78% N-acetyl mesalazine are bound to plasma proteins. Pharmaceutical particulars. This conformational difference confers different properties on each of these polymers. ()');jQuery(".footnote-list-item").each(function(i) { Excipient with known effect: 76.4 mg lactose monohydrate see section 4.4. Examples of such are potato, corn, rice, and tapioca starches. Pharmaceutical form. A disintegrant is an excipient included in a pharmaceutical formulation to achieve the breakup of solid dosage forms such as tablets or granules into smaller discrete particles. Treatment must be stopped immediately if acute symptoms of intolerance occur such as abdominal cramps, acute abdominal pain, fever, severe headache and rash, see section 4.4. Get FREE access to USDMFs, Prices, Inspections, Patents, FDA Orange Book, CEPs, News, GDUFA Status, Written Confirmations and much more. Maintenance treatment: To be determined individually, starting with 15-30 mg/kg/day in divided doses. b) Tabulated summary of adverse reactions. Everyone is encouraged to see their own healthcare professional to review what is best for them. }, false); After treatment with a strict gluten-free diet, most patients small intestine recovers and are able to properly absorb nutrients again, and therefore do not require supplementation. Moisture sorption by starch which leads to particle swelling has been attributed to the interaction between the hydroxyl groups of the hexose moiety and water molecules. Weak associative forces in a starch could be an indication of its potential as a disintegrant [1]. By making research easy to access, and puts the academic needs of the researchers before the business interests of publishers. Based on urine drug excretion, plasma drug Cmax's and the combined plasma AUC's, there was a linear dose response for the 3 Octasa tablet doses. 6.3 Shelf life. Approximately 75 % of the administered dose remains in the gut lumen and the mucosal tissue. This section discusses the most commonly utilized functions of starches as an excipient. In patients who are concomitantly treated with azathioprine, 6-mercaptopurine or thioguanine, a possible increase in the myelosuppressive effects of azathioprine, or 6-mercaptopurine or thioguanine should be taken into account. Octasa has no or negligible influence on the ability to drive and use machines. Stabilizes moisture sensitive drugs and active ingredients Provides excellent low dose content uniformity Concerning N-acetyl mesalazine after concomitant food intake the Cmax-values increased 1.55-fold, whereas its extent of exposure increased about 1.1-fold only. Octasa contains mesalazine, also known as 5-aminosalicylic acid, which has an anti-inflammatory effect through a mechanism that has not yet been fully clarified. Choice of filler for a low-dose micronized drug to assist dispersibility and uniformity of the drug. Overview of PMC Isochem's Vitamin E TPGS (Tocophersolan), a multirole excipient for pharmaceutical drug delivery, on PharmaCompass. 1998-2021 Celiac Disease Foundation. Starch for use as an excipient is one that meets the official compendial standards of quality in the relevant official books (pharmacopeias) and is generally referred to as official starch. Active disease: To be determined individually, starting with 30-50 mg/kg/day in divided doses. series, we analyze AbbVie a company that was spun out ofAbbott The required quantity is 50,000 units/ annum. This should be taken into consideration in the choice of excipients in drug formulation and before the substitution of one starch for another in a formulation. Colorcon is a world leader in the design and development of specialty excipients for solid oral dosages for the pharmaceutical and nutritional industries. Based upon the absorption of 24.8% of the administered dose, this parameter is equal to 14.65 L/kg (geometric mean: 12.12 L/kg). To date no other relevant epidemiologic data are available. Mesalazine-induced cardiac hypersensitivity reactions (myo- and pericarditis) have rarely been reported with Octasa. This product contains less than 1 mmol of sodium (23 mg) per each film-coated tablet, that is to say essentially 'sodium-free'. You can eliminate all risks by effectively evaluating the ingredients in these products. This is the case irrespective of the particular use to which the starch was put in the formulation. Treatment with Octasa should be stopped immediately if there is evidence of renal impairment and patients should seek immediate medical advice. The suppliers must support this enquiry with CoA. The Lamb Clinic provides a comprehensive assessment and customized treatment plan for all new patients utilizing both interventional and non-interventional treatment methods. Method to minimize a burst of drug release typically observed in the early phases of release of highly soluble actives from METHOCEL matrices. (Search Online) 2006-2022 DrugFuture->Handbook of Pharmaceutical ExcipientsDrugFuture->Handbook of Pharmaceutical Excipients Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. It is associated with increased granular hydration and lowered crystallinity, yielding pastes with higher transparency, viscosity, and freeze-thaw stability [34]. The structure, reactivity, and functionality of the native starch can be modified by physical, A company that deals in the distribution of various pharmaceutical products is looking for suppliers of Salicylic Acid (150 kg) API for commercial purposes. A third type of starch is sodium starch glycolate. They must not be chewed, crushed or broken before swallowing. Octasa therapy should be stopped immediately if there is suspicion or evidence of blood dyscrasia (signs of unexplained bleeding, bruising, purpura, anemia, persistent fever or sore throat), and patients should seek immediate medical advice. Hypersensitivity reactions like diarrhoea in the infant cannot be excluded. This indication was also investigated in seven controlled and three open clinical trials including 787 patients, of whom 559 received Octasa 400 mg Modified Release Tablets. These studies established the safety and efficacy of Octasa for the maintenance of remission of UC at daily doses of 1.6 2.4 g mesalazine. Your continued use of this site indicates your acceptance of the terms and conditions specified. A limited number of reports of intact tablets in the stool have been received. Additionally, starch granule size is a factor in amylose content of a starch, with the level increasing with granule size [40, 41]. ++i; None known. Chinese Excipient Registration & Pharmacopeia Services, Excipient cGMP Certification Organisations, Contract Development|Contract Manufacturing. It would therefore imply that any factors that affect the viscosity of the starch paste would affect the functionality of the starch as a binder. Starch can also be modified chemically by the introduction of functional groups using derivatization techniques such as esterification, cationization, cross-linking, or hydrolysis and oxidation which are usually achieved by the replacement of all or some of the hydroxyl groups. Only about of each dose was absorbed and excreted in the urine, primarily as the metabolite. A company that focuses on research, development, manufacturing and marketing of natural nutritional supplement formulas is looking for a CMO for the Encapsulation of liquid fat in normal or vegan hard gelatin capsules. If you are told by the company that they do use gluten in their product, ask them to disclose what the source of the gluten is. PHARMANEST - An International journal of Advances in Pharmaceutical Sciences. These arehighly processed sugars that contain no wheat gluten, and therefore cannot cause a reaction. This database is called DailyMed, and can be accessed here. jQuery(this).find("sup").html(''); When the excipient listed for the product contains the single word starch, it can come from any starch source. The suppliers must support this enquiry with CoA. In addition to providing a unique range of functions and flexible performance in a variety of applications, Starch 1500 cuts process and material costs by reducing or eliminating binders, superdisintegrants, high levels of lubricants and glidants. The more viscous the paste, the stronger the bridges formed, and the larger the size of the particles formed up to a limit [4]. Vitamin and mineral therapy can be used in addition to the standard gluten-free diet to hasten a patients recovery from nutritional deficiency. Article published in Pharmaceutical Technology Europe - April 2005. Edited by 2022 - Pharma Excipients. Powdered acacia BP. Amylose is a straight chain -1,4-glycosidic bonds, while amylopectin is a branched polymer also made of -1,4-glycosodic with branched chain linked by -1,6-glycosidic bonds. The median elimination half-life was 20 h ranging from 5 to 77 h. About 25% of the total dose administered was recovered in the urine within 60 h after fasted administration mainly as N-acetyl mesalazine and as the parent compound (about 1 %). indicated that the delay in puberty in children with celiac disease may partially be due to low amounts of B vitamins, iron, and folate. Sodium Citrate BP. This product contains less than 1 mmol of sodium (23 mg) per each film-coated tablet, that is to say essentially 'sodium-free'. FV, TSV, and shorter time maintained at greater than 80% of peak viscosity than starch from plants grown at ambient temperature in the field due to the difference in amylose content [35]. The word excipient is derived from the Latin excipere, meaning 'to except', which is simply explained as 'other than'. However, certain ingredients in vitamins and supplements typically the inactive ingredients can contain gluten, so extra care must be taken to avoid any gluten exposure. If they tell you they use wheat starch, naturally you would avoid using the product. It therefore finds use as an absorbent in drug formulations to keep powders dry and ensure the stability of drugs that are liable to deteriorate by hydrolysis and other similar chemical reactions. Discovered that the product might be vegan (e.g. For the full list of excipients, see section 6.1. The relative quantities of amylose and amylopectin, the extent of branching, the conformation of the moieties, the presence of phospholipids, the interaction between the carbohydrates and lipid, the particle size, and the extent of phosphorylation, all of which are affected by environmental and genetic factors, influence starch fundamental (physicochemical) properties that relate to its functional properties as a pharmaceutical excipient. Currently, there is no law mandating that drug manufacturers disclose the source of these excipients in any public record or database, so we must rely on calling the manufacturer to obtain information. With reference to the presence of lactose monohydrate in the formulation, patients with rare hereditary problems of galactose intolerance, total lactase deficiency or glucose-galactose malabsorption should not take this medicine. Octasa should only be used during pregnancy if the potential benefit outweighs the possible risk. Not applicable. Microcrystalline cellulose is inert on its own and easy to compress. The tablets must be swallowed whole preferably with some liquid before food intake. After any initial disruption of the coating mesalazine will continue to be released irrespective of the pH. Gelatinization begins from portions of the granule where bonding is weakest, and so since the degree of association in individual particles differs and is influenced by factors such as plant source and some environmental conditions of growth, gelatinization temperature and pattern would differ from one starch source to another [14]. The country of distribution is US and Worldwide. Starch 1500 G: Meets PhEur and USP/NF specifications for pregelatinized starch and JPE requirements for partly pregelatinized starch. Each modified release tablet contains: 400 mg mesalazine. International Journal of Pharmaceutics: X is the open access companion journal of International Journal of Pharmaceutics and has the same aims and scope and peer-review process. Lactose BP. At least 90% of the drug recovered in the urine after oral administration is found as the main metabolite N-acetyl-mesalazine. The effect of growth conditions on the gelatinization behavior of starches is essentially through their effects on their amylose content. Effect of four commonly used fillers in formulation and processing of HPMC matrices utilizing a high shear wet granulation process. UNITED KINGDOM, Starch source and its pharmaceutically relevant properties, Effect of source on the pharmaceutical applications of starch. Three studies were placebo-controlled, one of which also compared the efficacy of Octasa to another proprietary oral mesalazine product. 6.3 Shelf life. Store below 25C. The deadline is 16-Jan-2023. Benicar, also known as Olmesartan (generic name), can cause celiac-like enteropathies. ++i; The use of starch as binder is dependent on its behavior when a suspension of starch powder is subjected to increased temperatures which cause the gradual weakening of the intermolecular bonding in the starch granule. Starches that have been investigated for their potential as pharmaceutical excipients differ in their granule morphology, amylose/amylopectin ratios, water sorption, swelling power, and gelatinization characteristics. This implies that it has more crystalline regions that are thermally and structurally less stable than maize starch [1]. Octasa tablets have been designed to minimize absorption in the digestive tract. If you are frustrated on your journey back to wellness - don't give up - there is hope. PharmaCompass delivers the pharmaceutical information you need to make your decisions. Medications are composed of many ingredients, both inside and outside of the product. In the food industry, plain starch must be derived from corn, but this regulation does not apply to the pharmaceutical industry. Starch is a widely available natural material. Granules of small granule starches are characterized by their very irregular, polygonal shape [43]. It is as a result of the long molecular chains and the numerous hydroxyl groups present causing a great tendency for bonding between chains, thus producing bundles of amylase molecules which are rigid resulting in rigid gels and insoluble precipitates. As a guideline, follow-up tests are recommended 14 days after commencement of treatment and then every 4 weeks for the following 12 weeks. This medicine contains less than 1 mmol sodium (23 mg) per dosage unit, i.e. Further illustrating the effect of temperature on the amylose content, it was found to differ significantly in plants grown at 15 from those grown at 20 and that the longer rice plants were exposed to cool temperatures, the greater the accumulation of amylose [46]. The country of distribution is US and Worldwide. 3 years. It essentially involves the weakening of the micellar network within the particle subjected to heat in a suspension by disrupting the hydrogen bonds which permits further hydration and irreversible starch particle swelling. Magnesium stearate. The extent of swelling is a function of the source or type of the starch which is reflective of the relative proportion and conformation of the amylose and amylopectin in the particular starch [6, 7]. Silica colloidal, anhydrous. Blood tests (differential blood count, liver function parameters such as ALT or AST; serum creatinine) and urinary status (dip sticks) should be determined prior to and during treatment, at the discretion of the treating physician. By looking at the excipients, you can get a pretty clear picture of the potential for contamination. The project will launch in 2024 - 2025. The process of encapsulation should be done without heat. Mesalazine has been shown to activate PPAR- receptors which counteract nuclear activation of intestinal inflammatory responses. Zinc deficiency is particularly associated with these skin lesions. These considerations are particularly important when considering changing from one type of starch to another as excipients and in formulary development. Personal care products may contain microcrystalline cellulose, too. Maintenance of remission of Crohn's ileo-colitis. The granulation process is used to improve the flow of APIs which tend to be very cohesive. For example, studies have shown that matured at 15 degrees had higher peak viscosity temperatures. These ingredients, also known as excipients, include the active component, absorbents (which absorb water to allow the tablet to swell and disintegrate), protectants, binders, coloring agents, lubricators, and bulking agents (which allow some products to dissolve slowly as they travel through the intestinal tract). Amylose/amylopectin ratio, molecular weight, and molecular fine structure influence the physicochemical properties of starch and are therefore major determinants of its functional properties such as flow and swelling properties [38]. 93, NO. Developing a single formula that can be encapsulated into hard gelatin capsules for clinical studies and compressed into tablets for commercialization. Excipient with known effect: lactose monohydrate. The complex polymeric structure and poor solubility of native starch in water limits their importance at pharmaceutical and industrial level. The amylose content of rice and maize were reduced at elevated growth temperatures [38, 45], while with wheat the amylose content increased slightly as a function of temperature [29] indicating that the specific plant is also important. Potato starch. 6.2 Incompatibilities. Excipient with known effect. The most common type of starch used is from corn, however potato, tapioca, and wheat derived starches are also used. Octasa tablets are coated with a pH responsive polymer which enables the release of mesalazine only at a pH above 7, i.e. 6.4 Special precautions for storage. Other factors such as amylose/amylopectin ratio and molecular weight and molecular fine structure also contribute [47] with amylose content increasing with granule size [44]. Amylose which is rigid due to packing resulting from its straight chain is insoluble in water but soluble in hot water without gel formation. The blister strips are packed in cartons containing either 90 or 120 tablets (9 or 12 strips). Only limited experience in women during lactation is available to date. It is one of the most widely distributed chemical substances in nature being the energy storage form of plant materials. Pharmaceutical excipients are basically everything other than the active pharmaceutical ingredient. 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starch as pharmaceutical excipient