{"id":1913,"date":"2026-10-14T13:50:38","date_gmt":"2026-10-14T05:50:38","guid":{"rendered":"https:\/\/uredanaturals.com\/?post_type=product&p=1913"},"modified":"2026-10-14T13:50:39","modified_gmt":"2026-10-14T05:50:39","slug":"l-theanine-manufacturer","status":"publish","type":"product","link":"https:\/\/uredanaturals.com\/es\/producto\/l-theanine-manufacturer\/","title":{"rendered":"L-Theanine"},"content":{"rendered":"

Ureda Naturals manufactures high-assay crystalline L-Theanine and tea-source L-Theanine powders for dietary supplements, powdered beverages, functional foods and beverage formulations. Available specifications include 98.5%\u2013101.5%, TH40, TH30 and TH20.<\/p>\n

These specifications are not interchangeable on a weight-for-weight basis. Their different L-Theanine concentrations affect raw-material dosage, capsule or tablet loading, beverage colour, sensory contribution and the cost of delivering a specified amount of L-Theanine.<\/p>\n

L-Theanine Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n
Specification<\/th>\nL-Theanine Assay<\/th>\nAppearance<\/th>\nPractical Selection<\/th>\n<\/tr>\n<\/thead>\n
98.5%\u2013101.5%<\/td>\n98.5%\u2013101.5%<\/td>\nWhite or slightly yellowish crystalline powder<\/td>\nLow-dose formulas, capsules, tablets and products requiring minimal non-active powder contribution<\/td>\n<\/tr>\n
TH40<\/td>\n\u226540.0%<\/td>\nPale yellow to light brown or tea-brown powder<\/td>\nConcentrated tea-source positioning with lower inclusion than TH20 or TH30<\/td>\n<\/tr>\n
TH30<\/td>\n\u226530.0%<\/td>\nPale yellow to light brown or tea-brown powder<\/td>\nPowdered beverages, solid drinks and supplement blends requiring a middle assay range<\/td>\n<\/tr>\n
TH20<\/td>\n\u226520.0%<\/td>\nPale yellow to light brown or tea-brown powder<\/td>\nFormulas prioritising tea-source positioning where higher powder inclusion is acceptable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

The 98.5%\u2013101.5% grade provides the highest concentration and the lowest raw-material contribution for a given L-Theanine target. TH20, TH30 and TH40 provide tea-source options at different assay levels, allowing formulators to balance ingredient positioning, dosage, appearance and available formula space.<\/p>\n

Comparing Specifications by Delivered L-Theanine<\/h2>\n

A kilogram price alone does not show the actual formulation cost. Buyers should compare the amount and cost of powder required to deliver the same quantity of L-Theanine.<\/p>\n

Powder Required to Deliver 100 mg L-Theanine<\/h3>\n
\n\n\n\n\n\n\n\n\n
Specification<\/th>\nCalculation Basis<\/th>\nPowder Required<\/th>\n<\/tr>\n<\/thead>\n
98.5% minimum assay<\/td>\n100 mg \u00f7 0.985<\/td>\nApproximately 101.5 mg<\/td>\n<\/tr>\n
TH40<\/td>\n100 mg \u00f7 0.40<\/td>\n250 mg<\/td>\n<\/tr>\n
TH30<\/td>\n100 mg \u00f7 0.30<\/td>\nApproximately 333.3 mg<\/td>\n<\/tr>\n
TH20<\/td>\n100 mg \u00f7 0.20<\/td>\n500 mg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Delivering 100 mg of L-Theanine from TH20 requires nearly five times as much powder as the 98.5% minimum-assay grade. This difference affects capsule capacity, tablet weight, sachet weight, excipient space and the amount of flavour adjustment required in a beverage.<\/p>\n

For capsules, tablets and compact stick packs, the higher-assay grade leaves more room for other active ingredients and excipients. For powdered beverages and larger serving formats, TH20\u2013TH40 may remain practical when tea-source positioning and the resulting sensory profile fit the product concept.<\/p>\n

98.5%\u2013101.5% L-Theanine Quality Specification<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Test Item<\/th>\nSpecification<\/th>\nResult<\/th>\n<\/tr>\n<\/thead>\n
Appearance<\/td>\nWhite or slightly yellowish crystalline granules or crystalline powder<\/td>\nWhite crystalline powder<\/td>\n<\/tr>\n
Specific rotation<\/td>\n+7.7\u00b0 to +8.5\u00b0<\/td>\n+8.0\u00b0<\/td>\n<\/tr>\n
Solution appearance<\/td>\nClear and colourless<\/td>\nClear and colourless<\/td>\n<\/tr>\n
Loss on drying<\/td>\n\u22641.5%<\/td>\n0.21%<\/td>\n<\/tr>\n
Residue on ignition<\/td>\n\u22640.2%<\/td>\n0.01%<\/td>\n<\/tr>\n
Assay<\/td>\n98.5%\u2013101.5%<\/td>\n99.65%<\/td>\n<\/tr>\n
pH<\/td>\n4.5\u20136.0<\/td>\n5.07<\/td>\n<\/tr>\n
Chloride<\/td>\n\u22640.02%<\/td>\n<0.02%<\/td>\n<\/tr>\n
Sulphate<\/td>\n\u22640.02%<\/td>\n<0.02%<\/td>\n<\/tr>\n
Particle size<\/td>\n\u226590% through 80 mesh<\/td>\n92.4%<\/td>\n<\/tr>\n
Heavy metals<\/td>\n\u226410 ppm<\/td>\n<10 ppm<\/td>\n<\/tr>\n
Arsenic<\/td>\n\u22641 ppm<\/td>\nNot detected<\/td>\n<\/tr>\n
Total plate count<\/td>\n\u22643,000 CFU\/g<\/td>\n400 CFU\/g<\/td>\n<\/tr>\n
Yeast and mould<\/td>\n\u2264100 CFU\/g<\/td>\n20 CFU\/g<\/td>\n<\/tr>\n
Coliforms<\/td>\nNegative<\/td>\nNot detected<\/td>\n<\/tr>\n
Salmonella<\/td>\nNegative<\/td>\nNot detected<\/td>\n<\/tr>\n
Staphylococcus aureus<\/td>\nNegative<\/td>\nNot detected<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Quality Parameters That Affect Product Selection<\/h2>\n

Assay and Formula Space<\/h3>\n

Assay determines how much raw material must be added to reach the declared L-Theanine level. A higher-assay grade reduces total powder loading, which is particularly valuable in capsules, tablets, concentrated sachets and multi-active formulas.<\/p>\n

The lower-assay TH grades contribute more material at the same L-Theanine target. Their higher inclusion rate should therefore be considered when calculating serving size, excipient space and finished-product weight.<\/p>\n

Specific Rotation and Ingredient Identity<\/h3>\n

Specific rotation is an identity-related parameter used to confirm the L-form of the amino acid. It supports incoming-material identification when assessed with assay, appearance and the other release parameters. It is a raw-material quality attribute rather than a finished-product performance claim.<\/p>\n

Solution Appearance and Clear Formulations<\/h3>\n

The clear and colourless solution result of the 98.5%\u2013101.5% grade is relevant when screening ingredients for transparent or lightly coloured beverages.<\/p>\n

After the complete formula is prepared, check clarity, colour, sediment and L-Theanine content through the intended mixing, thermal-processing and storage sequence.<\/p>\n

Particle Size and Blend Distribution<\/h3>\n

The particle-size specification is particularly relevant when L-Theanine is used at a low inclusion rate in a dry blend. Differences in particle size or density between L-Theanine and the main carrier can encourage segregation during transfer, vibration or hopper discharge.<\/p>\n

For tablets, capsules and small-dose sachets, assess particle size together with the carrier system, premixing sequence, blender loading and final blend-uniformity results.<\/p>\n

Formulation and Manufacturing Guidance<\/h2>\n

Capsules, Tablets and Low-Dose Dry Blends<\/h3>\n

High-assay L-Theanine is the more efficient option when the target dose must fit inside a restricted tablet weight or capsule volume.<\/p>\n

When L-Theanine represents only a small proportion of a multi-ingredient formula, direct addition to the complete blend can produce local concentration differences. Premix it with a compatible portion of the carrier using geometric dilution before incorporating the premix into the main batch.<\/p>\n

During pilot production, monitor:<\/p>\n

    \n
  • L-Theanine distribution at different blender sampling points;<\/li>\n
  • powder flow into the tablet press or capsule filler;<\/li>\n
  • tablet-weight or capsule-fill variation;<\/li>\n
  • segregation after transfer and hopper residence;<\/li>\n
  • finished-unit L-Theanine uniformity.<\/li>\n<\/ul>\n

    These observations determine whether the selected grade and blending sequence are suitable for production scale.<\/p>\n

    Powdered Beverages and Stick Packs<\/h3>\n

    The 98.5%\u2013101.5% grade minimises powder loading and leaves more formulation space for flavours, acids, sweeteners and other active ingredients. TH20\u2013TH40 require higher addition levels and can make a greater contribution to powder colour and sensory character.<\/p>\n

    A practical trial should compare:<\/p>\n

      \n
    • dispersion in the intended water temperature;<\/li>\n
    • beverage colour at the target use level;<\/li>\n
    • flavour compatibility with the complete system;<\/li>\n
    • sediment or visible particles after standing;<\/li>\n
    • moisture pickup and caking in the packaged powder;<\/li>\n
    • L-Theanine content per finished serving.<\/li>\n<\/ul>\n

      Ready-to-Drink Beverages<\/h3>\n

      Add L-Theanine under the intended water composition, pH and ingredient order. Evaluate the complete formula before and after the actual thermal process rather than relying only on the appearance of a simple raw-material solution.<\/p>\n

      The pilot evaluation should record:<\/p>\n

        \n
      • dissolution during the selected addition step;<\/li>\n
      • clarity and colour after full formulation;<\/li>\n
      • filtration behaviour when filtration is used;<\/li>\n
      • sediment formation after processing;<\/li>\n
      • appearance during storage;<\/li>\n
      • L-Theanine content after processing and at selected stability intervals.<\/li>\n<\/ul>\n

        How to Compare L-Theanine Quotations<\/h2>\n

        A reliable quotation comparison should use delivered L-Theanine rather than raw-material price alone. For each offer, calculate:<\/p>\n

          \n
        1. the powder required for the target L-Theanine dose;<\/li>\n
        2. the raw-material cost per finished serving;<\/li>\n
        3. the effect on capsule fill, tablet weight or sachet weight;<\/li>\n
        4. the excipient or flavour adjustments required at the selected inclusion level;<\/li>\n
        5. the specification and quality documentation included with the material.<\/li>\n<\/ol>\n

          A lower price per kilogram can produce a higher cost per delivered gram of L-Theanine when the assay is substantially lower. It may also increase finished-product weight and reduce the space available for other ingredients.<\/p>\n

          Applications<\/h2>\n
            \n
          • capsules and tablets;<\/li>\n
          • multi-ingredient supplement blends;<\/li>\n
          • powdered beverages and solid drinks;<\/li>\n
          • stick packs and sachets;<\/li>\n
          • ready-to-drink beverage formulations;<\/li>\n
          • functional food formulations.<\/li>\n<\/ul>\n

            The appropriate specification depends on the required active dose, formula space, desired source positioning, finished-product colour and processing format.<\/p>\n

            Quality and Documentation Support<\/h2>\n

            Available quality and technical documentation may include:<\/p>\n

              \n
            • Certificate of Analysis;<\/li>\n
            • Technical Data Sheet;<\/li>\n
            • Safety Data Sheet;<\/li>\n
            • product specification;<\/li>\n
            • allergen statement;<\/li>\n
            • GMO statement;<\/li>\n
            • manufacturing and quality-system documentation;<\/li>\n
            • applicable regulatory support documents.<\/li>\n<\/ul>\n

              Ureda Naturals supports quality and supply-chain review through GMP, FSSC 22000, ISO 9001 and HACCP systems, together with applicable Halal and Kosher documentation.<\/p>\n

              MOQ, Packaging and Storage<\/h2>\n
                \n
              • MOQ:<\/strong> 1 kg<\/li>\n
              • Bag options:<\/strong> 1 kg, 5 kg and 10 kg, using a PE inner bag, aluminium-foil barrier bag and outer carton<\/li>\n
              • Drum options:<\/strong> 5 kg, 10 kg and 25 kg, using a PE inner bag, aluminium-foil barrier layer and fibre drum<\/li>\n
              • Storage:<\/strong> Keep sealed in a cool, dry place and protect from moisture, heat and direct light<\/li>\n
              • Shelf life:<\/strong> Two years under the specified storage conditions<\/li>\n<\/ul>\n

                Frequently Asked Questions<\/h2>\n
                \n
                \nWhat is the practical difference between 98.5%\u2013101.5%, TH40, TH30 and TH20 L-Theanine?<\/summary>\n

                The main difference is the amount of powder required to deliver the same L-Theanine dose. At their minimum assay values, approximately 101.5 mg of the 98.5% grade, 250 mg of TH40, 333.3 mg of TH30 or 500 mg of TH20 is required to provide 100 mg of L-Theanine. This changes formula space, finished-unit weight, sensory contribution and cost per unit of delivered L-Theanine.<\/p>\n<\/details>\n

                \nWhich L-Theanine specification is more suitable when formula space is limited?<\/summary>\n

                The 98.5%\u2013101.5% grade is generally the more efficient choice for compact capsules, tablets and multi-active formulas because it delivers the target amount with the lowest raw-material weight. TH20\u2013TH40 are more appropriate when tea-source positioning is required and the formulation can accommodate a higher inclusion rate.<\/p>\n<\/details>\n

                \nHow should low-dose L-Theanine be introduced into a tablet or capsule blend?<\/summary>\n

                Premix L-Theanine with a compatible portion of the carrier using geometric dilution before adding it to the main blend. During pilot production, sample the blend from multiple locations and check finished-unit content uniformity, powder flow and fill-weight variation. These results show whether the premixing sequence and selected material grade are suitable for production scale.<\/p>\n<\/details>\n

                \nWhat should be checked when using L-Theanine in a clear beverage?<\/summary>\n

                Check dissolution during the actual addition step, followed by clarity, colour and sediment after the complete formula is prepared. Repeat these observations after the intended thermal process and during storage, while measuring L-Theanine content at the stages relevant to the product\u2019s release and stability programme.<\/p>\n<\/details>\n<\/div>","protected":false},"excerpt":{"rendered":"

                Ureda Naturals manufactures L-Theanine in 98.5%\u2013101.5%, TH40, TH30 and TH20 specifications. The available grades support capsules, tablets, powdered beverages, functional foods and beverage formulations with different requirements for active concentration, formula space, colour and source positioning.<\/p>","protected":false},"featured_media":1914,"template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[173,175,174,176],"class_list":["post-1913","product","type-product","status-publish","has-post-thumbnail","product_cat-matcha-tea-ingredients","product_tag-l-theanine","product_tag-l-theanine-98-5","product_tag-l-theanine-powder","product_tag-tea-amino-acid","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nL-Theanine Manufacturer | 98.5%, TH40, TH30 | Ureda Naturals<\/title>\n<meta name=\"description\" content=\"Ureda Naturals manufactures L-Theanine 98.5%\u2013101.5%, TH40, TH30 and TH20 for supplements, powdered drinks and beverage formulations.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, 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