{"id":2977,"date":"2026-06-16T21:39:10","date_gmt":"2026-06-16T13:39:10","guid":{"rendered":"http:\/\/www.cabinet-equilibre.com\/blog\/?p=2977"},"modified":"2026-06-16T21:39:10","modified_gmt":"2026-06-16T13:39:10","slug":"do-hpmc-capsules-degrade-over-time-446b-e1d2df","status":"publish","type":"post","link":"http:\/\/www.cabinet-equilibre.com\/blog\/2026\/06\/16\/do-hpmc-capsules-degrade-over-time-446b-e1d2df\/","title":{"rendered":"Do HPMC capsules degrade over time?"},"content":{"rendered":"<p>HPMC (Hydroxypropyl Methylcellulose) capsules have gained significant popularity in the pharmaceutical and nutraceutical industries due to their numerous advantages, such as being vegetarian-friendly, having good compatibility with a wide range of active ingredients, and offering excellent stability. As a supplier of HPMC capsules, one question that frequently arises from our customers is whether HPMC capsules degrade over time. In this blog, we will delve into this topic, exploring the factors that can influence the degradation of HPMC capsules and how we, as a supplier, ensure the quality and stability of our products. <a href=\"https:\/\/www.kornnaccaps.com\/vegetable-capsules\/hpmc-capsules\/\">HPMC Capsules<\/a><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.kornnaccaps.com\/uploads\/44204\/small\/liquid-in-capsules5a746.jpg\"><\/p>\n<h3>Understanding HPMC Capsules<\/h3>\n<p>Before we discuss the degradation of HPMC capsules, it is essential to understand what HPMC is and why it is used in capsule manufacturing. HPMC is a semi-synthetic, inert, viscoelastic polymer that is derived from cellulose. It is widely used in the pharmaceutical and food industries because of its excellent film-forming properties, solubility, and biocompatibility.<\/p>\n<p>HPMC capsules are made by dissolving HPMC in water and then dipping a mold into the solution to form a thin film. The film is then dried and removed from the mold, resulting in a capsule shell. These capsules are available in various sizes and colors and can be filled with a variety of active ingredients, including powders, granules, and liquids.<\/p>\n<h3>Factors Affecting the Degradation of HPMC Capsules<\/h3>\n<p>Several factors can influence the degradation of HPMC capsules over time. These factors can be broadly categorized into environmental factors and chemical factors.<\/p>\n<h4>Environmental Factors<\/h4>\n<ul>\n<li><strong>Temperature<\/strong>: Temperature plays a crucial role in the stability of HPMC capsules. High temperatures can accelerate the degradation process by increasing the rate of chemical reactions. For example, at elevated temperatures, the HPMC polymer chains can break down, leading to a decrease in the mechanical strength of the capsules. On the other hand, low temperatures can cause the capsules to become brittle and more prone to cracking.<\/li>\n<li><strong>Humidity<\/strong>: Humidity is another important environmental factor that can affect the degradation of HPMC capsules. HPMC is a hygroscopic material, which means it can absorb moisture from the surrounding environment. When the capsules absorb moisture, they can become soft and sticky, making them difficult to handle and fill. In addition, high humidity can also promote the growth of microorganisms, which can further degrade the capsules.<\/li>\n<li><strong>Light<\/strong>: Exposure to light, especially ultraviolet (UV) light, can cause the degradation of HPMC capsules. UV light can break down the chemical bonds in the HPMC polymer, leading to a change in the physical and chemical properties of the capsules. This can result in a decrease in the transparency of the capsules and an increase in the formation of yellowing or discoloration.<\/li>\n<\/ul>\n<h4>Chemical Factors<\/h4>\n<ul>\n<li><strong>pH<\/strong>: The pH of the environment can also affect the stability of HPMC capsules. HPMC is stable in a wide range of pH values, but extreme pH conditions can cause the degradation of the polymer. For example, in acidic or alkaline environments, the HPMC polymer can undergo hydrolysis, which can lead to a decrease in the molecular weight of the polymer and a loss of its mechanical properties.<\/li>\n<li><strong>Oxidation<\/strong>: Oxidation is another chemical process that can cause the degradation of HPMC capsules. Oxidation can occur when the capsules are exposed to oxygen in the air or when they come into contact with oxidizing agents. Oxidation can lead to the formation of free radicals, which can damage the HPMC polymer and cause it to degrade.<\/li>\n<\/ul>\n<h3>How We Ensure the Quality and Stability of Our HPMC Capsules<\/h3>\n<p>As a supplier of HPMC capsules, we are committed to providing our customers with high-quality products that are stable and reliable. To ensure the quality and stability of our HPMC capsules, we take several measures at every stage of the manufacturing process.<\/p>\n<h4>Raw Material Selection<\/h4>\n<p>We carefully select the raw materials used in the production of our HPMC capsules. We source our HPMC from reputable suppliers who adhere to strict quality control standards. Before using the raw materials, we conduct thorough quality checks to ensure that they meet our specifications.<\/p>\n<h4>Manufacturing Process<\/h4>\n<p>Our manufacturing process is designed to minimize the exposure of the HPMC capsules to environmental factors that can cause degradation. We use state-of-the-art equipment and technology to control the temperature, humidity, and light conditions during the manufacturing process. In addition, we follow strict Good Manufacturing Practices (GMP) to ensure the consistency and quality of our products.<\/p>\n<h4>Packaging and Storage<\/h4>\n<p>We package our HPMC capsules in high-quality packaging materials that provide protection against moisture, light, and oxygen. We also provide detailed instructions on how to store the capsules to ensure their stability. Our capsules are typically stored in a cool, dry place away from direct sunlight.<\/p>\n<h4>Quality Control<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.kornnaccaps.com\/uploads\/44204\/page\/small\/brown-pearl-gelatin-capsulesd1590.jpg\"><\/p>\n<p>We have a comprehensive quality control system in place to monitor the quality of our HPMC capsules at every stage of the manufacturing process. We conduct regular tests and inspections to ensure that our products meet the highest quality standards. Our quality control team uses advanced analytical techniques to test the physical and chemical properties of the capsules, including their dissolution rate, moisture content, and mechanical strength.<\/p>\n<h3>Conclusion<\/h3>\n<p><a href=\"https:\/\/www.kornnaccaps.com\/gelatin-capsules\/enteric-coated-capsules\/\">Enteric Coated Capsules<\/a> In conclusion, HPMC capsules can degrade over time due to various environmental and chemical factors. However, by taking appropriate measures to control these factors, we can ensure the quality and stability of our HPMC capsules. As a supplier of HPMC capsules, we are committed to providing our customers with high-quality products that meet their needs. If you are interested in purchasing HPMC capsules, we invite you to contact us to discuss your requirements. We look forward to working with you to provide you with the best possible solutions for your capsule needs.<\/p>\n<h3>References<\/h3>\n<ul>\n<li>Pharmaceutical Dosage Forms: Tablets, Volume 1, Third Edition, Edited by Herbert A. Lieberman, Leon Lachman, and Joseph B. Schwartz.<\/li>\n<li>Handbook of Pharmaceutical Excipients, Sixth Edition, Edited by Raymond C. Rowe, Paul J. Sheskey, and Marian E. Quinn.<\/li>\n<li>The Theory and Practice of Industrial Pharmacy, Fourth Edition, By Lachman, Lieberman, and Kanig.<\/li>\n<\/ul>\n<hr>\n<p><a href=\"https:\/\/www.kornnaccaps.com\/\">Hubei Kornnac Pharmaceutical Co., Ltd.<\/a><br \/>Hubei Kornnac Pharmaceutical Co., Ltd. is one of the most professional hpmc capsules manufacturers and suppliers in China, specialized in providing high quality OEM service. Welcome you to buy bulk customized hpmc capsules at competitive price from our factory. Also, samples are available.<br \/>Address: No.439 Hebei Avenue, Chibi, Hubei Province, 437300, China.<br \/>E-mail: service@kornnaccaps.com<br \/>WebSite: <a href=\"https:\/\/www.kornnaccaps.com\/\">https:\/\/www.kornnaccaps.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HPMC (Hydroxypropyl Methylcellulose) capsules have gained significant popularity in the pharmaceutical and nutraceutical industries due to &hellip; <a title=\"Do HPMC capsules degrade over time?\" class=\"hm-read-more\" href=\"http:\/\/www.cabinet-equilibre.com\/blog\/2026\/06\/16\/do-hpmc-capsules-degrade-over-time-446b-e1d2df\/\"><span class=\"screen-reader-text\">Do HPMC capsules degrade over time?<\/span>Read more<\/a><\/p>\n","protected":false},"author":640,"featured_media":2977,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2940],"class_list":["post-2977","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-hpmc-capsules-4798-e215a5"],"_links":{"self":[{"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/posts\/2977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/users\/640"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/comments?post=2977"}],"version-history":[{"count":0,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/posts\/2977\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/posts\/2977"}],"wp:attachment":[{"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/media?parent=2977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/categories?post=2977"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cabinet-equilibre.com\/blog\/wp-json\/wp\/v2\/tags?post=2977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}