Establishment and Single Laboratory Validation for Quantitative Determination of Tamarind Seed Polysaccharide by Iodine Staining
Tamarind seed polysaccharide (TSP) belongs to the galactoxyloglucan family and is used as a thickener or stabilizer in the food industry. To establish a quantitative method for TSP, the iodine-staining method was implemented and validated using various marketed TSP products in terms of selectivity,...
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| Veröffentlicht in: | FOOD SCIENCE AND TECHNOLOGY RESEARCH 2017, Vol.23(4), pp.551-560 |
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| creator | Tabuchi, Akira Baba, Yohei Inoue, Yasunao Yamatoya, Kazuhiko |
| description | Tamarind seed polysaccharide (TSP) belongs to the galactoxyloglucan family and is used as a thickener or stabilizer in the food industry. To establish a quantitative method for TSP, the iodine-staining method was implemented and validated using various marketed TSP products in terms of selectivity, linearity, range, trueness, precision, and uncertainty. Good linearity was confirmed for the TSP reference standard (RS) over the concentration range of 5 – 449 µg/g. The tested method yielded good recovery from the spiked test (99 – 107%) and precision using RS and various marketed TSP products (repeatability precision (RSDr): 1.0 – 1.9%, intermediate precision (RSDi): 1.5 – 3.5%), suggesting the validity of the quantitative method. The quantitative method was applicable to currently marketed TSP products. We conclude that this method is a simple and practical method with high trueness and precision for the determination of TSP concentration to certify marketed TSP products as food additives. |
| doi_str_mv | 10.3136/fstr.23.551 |
| format | Article |
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The tested method yielded good recovery from the spiked test (99 – 107%) and precision using RS and various marketed TSP products (repeatability precision (RSDr): 1.0 – 1.9%, intermediate precision (RSDi): 1.5 – 3.5%), suggesting the validity of the quantitative method. The quantitative method was applicable to currently marketed TSP products. We conclude that this method is a simple and practical method with high trueness and precision for the determination of TSP concentration to certify marketed TSP products as food additives.</description><subject>Economic conditions</subject><subject>food additive</subject><subject>Food additives</subject><subject>Food industry</subject><subject>Food processing industry</subject><subject>Food production</subject><subject>Iodine</subject><subject>iodine staining</subject><subject>Linearity</subject><subject>quantitative method</subject><subject>Selectivity</subject><subject>single laboratory validation</subject><subject>Staining</subject><subject>Tamarind</subject><subject>tamarind seed polysaccharide</subject><subject>xyloglucan</subject><issn>1344-6606</issn><issn>1881-3984</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpFUcGKFDEQDaLgOnryBwIepcekK53uXARZ13VhQGVXryHpruxm6E7WJCPMzU83Qy_jpaqoevUe9YqQt5xtgYP84HJJ2xa2XcefkQs-DLwBNYjntQYhGimZfEle5bxnjHdqaC_I36tcjJ19flgwFGrCRG99uJ-R7oyNyZSYjvSXmf1kio-Bupjoj4MJxZfa-IP0MxZMiw_rODp6ZxaT_IkHcaLf43zMZhwfam9Cao_0Jk4-IL0txoeq9Jq8cGbO-OYpb8jPL1d3l1-b3bfrm8tPu2bsBlEay5XruwmAWexExx30TgJYoWTreIvOGefU2IKQQnXSctb3dhCDG-3AOsZgQ96tvI8p_j5gLnofDylUSc2V6EH0vMYNeb-ixhRzTuj0Y_L1nqPmTJ8s1ieLdQu6WlzR1yt6wcmPZo5hrqf9J3aLcDFOWbeM95qxFpioSWlWt2uQDFR9EqjK9HFl2td33ONZ1aTixxnPquJJ-jw4GasxwD_KS55c</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Tabuchi, Akira</creator><creator>Baba, Yohei</creator><creator>Inoue, Yasunao</creator><creator>Yamatoya, Kazuhiko</creator><general>Japanese Society for Food Science and Technology</general><general>The Japanese Society for Food Science and Technology</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QR</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope></search><sort><creationdate>2017</creationdate><title>Establishment and Single Laboratory Validation for Quantitative Determination of Tamarind Seed Polysaccharide by Iodine Staining</title><author>Tabuchi, Akira ; Baba, Yohei ; Inoue, Yasunao ; Yamatoya, Kazuhiko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c584t-b19f75d330be5451f37f633b4962f12effaff9c23464956b1077b848fcb805003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Economic conditions</topic><topic>food additive</topic><topic>Food additives</topic><topic>Food industry</topic><topic>Food processing industry</topic><topic>Food production</topic><topic>Iodine</topic><topic>iodine staining</topic><topic>Linearity</topic><topic>quantitative method</topic><topic>Selectivity</topic><topic>single laboratory validation</topic><topic>Staining</topic><topic>Tamarind</topic><topic>tamarind seed polysaccharide</topic><topic>xyloglucan</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tabuchi, Akira</creatorcontrib><creatorcontrib>Baba, Yohei</creatorcontrib><creatorcontrib>Inoue, Yasunao</creatorcontrib><creatorcontrib>Yamatoya, Kazuhiko</creatorcontrib><creatorcontrib>DSP Gokyo Food & Chemical Co. 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The tested method yielded good recovery from the spiked test (99 – 107%) and precision using RS and various marketed TSP products (repeatability precision (RSDr): 1.0 – 1.9%, intermediate precision (RSDi): 1.5 – 3.5%), suggesting the validity of the quantitative method. The quantitative method was applicable to currently marketed TSP products. We conclude that this method is a simple and practical method with high trueness and precision for the determination of TSP concentration to certify marketed TSP products as food additives.</abstract><cop>Tsukuba</cop><pub>Japanese Society for Food Science and Technology</pub><doi>10.3136/fstr.23.551</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Economic conditions food additive Food additives Food industry Food processing industry Food production Iodine iodine staining Linearity quantitative method Selectivity single laboratory validation Staining Tamarind tamarind seed polysaccharide xyloglucan |
| title | Establishment and Single Laboratory Validation for Quantitative Determination of Tamarind Seed Polysaccharide by Iodine Staining |
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