{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T03:56:44Z","timestamp":1790567804680,"version":"4.1.0"},"reference-count":32,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T00:00:00Z","timestamp":1790380800000},"content-version":"vor","delay-in-days":25,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100023981","name":"CSIR-North East Institute of Science and Technology","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100023981","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001409","name":"Department of Science and Technology, Ministry of Science and Technology, India","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001409","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["ift.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Food Science"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:label\/>\n                    <jats:p>\n                      Postharvest drying can differentially volatilize, oxidize, or thermally degrade plant constituents, thereby shifting the relative proportions of chemical classes within an essential oil, a phenomenon termed chemotypic modulation. This study aimed to determine how five drying methods: shade drying (SD), microwave drying (MW), freeze drying (FD), and oven drying at 40\u00b0C (OD\u201040) and 60\u00b0C (OD\u201060) differentially modulate the chemotype, physicochemical properties, antioxidant activity, volatile composition, and essential oil yield of\n                      <jats:italic>Zanthoxylum oxyphyllum<\/jats:italic>\n                      leaves. Significant variations were observed across treatments. FD resulted in the highest rehydration ratio (6.18), essential oil yield (0.156%), chlorophyll retention (1150.80\u00a0\u00b5g\/g dw), and monoterpene preservation (\u223c10.6%), while high\u2010temperature drying (OD\u201060) markedly reduced oil yield (0.106%) and antioxidant activity. Essential oil composition was dominated by 2\u2010nonanone (39.44%\u201358.54%) and 2\u2010undecanone (17.45%\u201332.63%), establishing a consistent ketone\u2010dominant chemotype across treatments. Monoterpenes were highly sensitive to thermal exposure, whereas sesquiterpenes exhibited comparatively greater stability. Strong positive correlations were observed between oil yield and rehydration ratio (\n                      <jats:italic>r<\/jats:italic>\n                      \u2248 0.83) and between oil yield and monoterpene content (\n                      <jats:italic>r<\/jats:italic>\n                      \u2248 0.82), indicating that both structural preservation and chemical stability govern volatile retention. Antioxidant loss under high\u2010temperature drying was disproportionately greater than oil loss, suggesting higher thermal sensitivity of phenolic constituents. Overall, FD best preserved structural integrity and bioactive quality, whereas oven drying at 40\u00b0C offered a practical balance between quality retention and process feasibility. These findings highlight drying temperature as a critical determinant of chemotypic modulation and functional performance in\n                      <jats:italic>Z. oxyphyllum<\/jats:italic>\n                      leaves.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Practical Applications<\/jats:title>\n                    <jats:p>\n                      This study provides evidence\u2010based postharvest guidelines for\n                      <jats:italic>Zanthoxylum oxyphyllum<\/jats:italic>\n                      , a commercially important aromatic leaf spice from Northeast India. Freeze drying is recommended for premium aroma\u2010rich and bioactive applications, while oven drying at 40\u00b0C offers a scalable and economically feasible alternative for commercial spice production. High\u2010temperature drying (60\u00b0C) and microwave drying compromise volatile and antioxidant quality and are less suitable for value\u2010added botanical products. These findings can directly guide drying protocol optimization in small\u2010to\u2010medium spice enterprises operating in the Eastern Himalayan region.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1750-3841.71494","type":"journal-article","created":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:48:26Z","timestamp":1790419706000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Drying\u2010Induced Chemotypic Modulation and Structure\u2013Volatile Interplay in\n                    <i>Zanthoxylum oxyphyllum<\/i>"],"prefix":"10.1111","volume":"91","author":[{"given":"Debasish","family":"Baruah","sequence":"first","affiliation":[{"name":"CSIR\u2010North East Institute of Science and Technology, Branch Itanagar  Arunachal Pradesh India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hage","family":"Sonia","sequence":"additional","affiliation":[{"name":"CSIR\u2010North East Institute of Science and Technology, Branch Itanagar  Arunachal Pradesh India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7396-2460","authenticated-orcid":false,"given":"Chandan","family":"Tamuly","sequence":"additional","affiliation":[{"name":"CSIR\u2010North East Institute of Science and Technology, Branch Itanagar  Arunachal Pradesh India"},{"name":"Academy of Scientific and Innovative Research (AcSIR)  Ghaziabad India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,26]]},"reference":[{"issue":"5","key":"e_1_2_12_2_1","first-page":"123","article-title":"Phytochemical Analysis of Plant Species of Genus Zanthoxylum","volume":"5","author":"Ayangla N. 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