{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T12:56:39Z","timestamp":1774616199837,"version":"3.50.1"},"reference-count":25,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2019,9,4]],"date-time":"2019-09-04T00:00:00Z","timestamp":1567555200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>N\u00fc-Er-Cha, produced from the leaves of Rhamnus heterophylla Oliv., is known as an herbal tea and used in the treatment of bleeding, irregular menstruation and dysentery. A method was developed for the quality assessment of herbal tea, N\u00fc-Er-Cha, adopting physical parameters, chemical constituents and sensory profiles as various potential factors. Their inner relationship was mined by multivariate statistical analysis tools, and the three factors were integrated by a technique for order preference by a similarity to ideal solution (TOPSIS) approach to comprehensively analyze the characters of N\u00fc-Er-Cha. Viscosity was also introduced to the physical parameter determination besides conductivity, pH and color. Seven common peaks of eight batches of N\u00fc-Er-Cha were marked by a high performance liquid chromatography (HPLC) fingerprint. They were further identified by HPLC mass spectrometry\/mass spectrometry (HPLC-MS\/MS) as hydroxybenzoic acids and flavanol glycosides. Fifty trained members participated in the sensory evaluation. Significant correlations between total sensory scores and conductivity, viscosity as well as pH were observed, a relatively innovative result for the quality assessment of herbal teas. The common peaks, belonging to hydroxybenzoic acids and flavanol glycosides, were mainly related to the color of infusions and leaves. The result of the TOPSIS analysis showed that S3 and S4 ranked as the top two in the comprehensive quality assessment. This may be related to rhamnetin triglycoside with a galactose\/glucose and two rhamnoses, which had a higher peak response in S3 and S4 than that in the other samples. The present study may contribute to a better understanding of the relationship regarding physical properties, chemical composition and sensory profiles, and it may supply ideas for the comprehensive quality assessment of the herbal tea N\u00fc-Er-Cha.<\/jats:p>","DOI":"10.3390\/molecules24183211","type":"journal-article","created":{"date-parts":[[2019,9,5]],"date-time":"2019-09-05T03:22:36Z","timestamp":1567653756000},"page":"3211","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Physicochemical Aspects and Sensory Profiles as Various Potential Factors for Comprehensive Quality Assessment of N\u00fc-Er-Cha Produced from Rhamnus heterophylla Oliv."],"prefix":"10.3390","volume":"24","author":[{"given":"Le","family":"Wang","sequence":"first","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shusheng","family":"Fan","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaoping","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiuhuan","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dongjie","family":"Shan","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wuqing","family":"Xiao","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiamu","family":"Ma","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanran","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiao","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1754-2140","authenticated-orcid":false,"given":"Gaimei","family":"She","sequence":"additional","affiliation":[{"name":"School of Chinese Materia Medica, Beijing University of Chinese Medicine, Fangshan District, Beijing 102488, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2019,9,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1016\/j.indcrop.2016.04.044","article-title":"Antioxidant properties and color parameters of herbal teas in China","volume":"87","author":"Jin","year":"2016","journal-title":"Ind. 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