Industrial Crops and Products最新文献

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Polyethylenimine-grafted sodium alginate Fe-MOFs bifunctional hydrogel for simultaneous Cr and Cd immobilization and nitrogen retention in co-contaminated farmland soil 聚乙烯亚胺接枝海藻酸钠fe - mof双功能水凝胶在共污染农田土壤中同时固定Cr、Cd和保持氮
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-10-16 DOI: 10.1016/j.indcrop.2026.124500
Jiale Zhao, Qingsong Zeng, Yihang Xu, Yunjie Feng, Danni Jiang, Yonghua Chen
{"title":"Polyethylenimine-grafted sodium alginate Fe-MOFs bifunctional hydrogel for simultaneous Cr and Cd immobilization and nitrogen retention in co-contaminated farmland soil","authors":"Jiale Zhao,&nbsp;Qingsong Zeng,&nbsp;Yihang Xu,&nbsp;Yunjie Feng,&nbsp;Danni Jiang,&nbsp;Yonghua Chen","doi":"10.1016/j.indcrop.2026.124500","DOIUrl":"10.1016/j.indcrop.2026.124500","url":null,"abstract":"<div><div>Aiming at farmland Cd(II)/Cr(VI) co-contamination and nitrogen fertilizer leaching pollution, we synthesized a bifunctional amino-grafted sodium alginate-MIL-101(Fe)@polyethylenimine (SA-MIL@PEI) composite hydrogel with a degradable sodium alginate matrix embedded MIL-101(Fe) and glutaraldehyde-crosslinked PEI. Orthogonal and PEI gradient experiments confirmed the optimal formulation: 4 wt% SA, 10 wt% MIL-101(Fe), 5 wt% CaCl<sub>2</sub>, and 1.5 g PEI. SEM, FTIR, and XPS jointly validated the successful construction of amino-enriched composite structure. Static adsorption tests demonstrated Langmuir maximum adsorption capacities of 177.57 mg/g for Cr(VI) and 72.60 mg/g, relying on coordination, electrostatic attraction and redox reactions. The material exhibited 71.58% cumulative nitrogen release within 30 days, which relieved soil acidification and elevated soil organic matter to 9.58 g/kg. In 60-day pot experiments, bioavailable Cr(VI) was reduced by more than 84% from 0.32 mg/kg to 0.049 mg/kg, and crop oxidative stress was greatly mitigated. However, continuous nitrogen supply stimulated root proliferation and rhizosphere organic-acid exudation, slightly increasing Cd (0.115 mg/kg) and Cr (0.284 mg/kg) accumulation in pakchoi shoots. Consistently, the Cd target hazard quotient (THQ) under SA-MIL@PEI treatment reached 2.19, exceeding the values of blank (1.87) and urea (1.62), implying transiently elevated Cd dietary risk within short-term pot incubation, while Cr carcinogenic risk was lowered into safe range.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124500"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149210518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Understanding and optimizing xylose conversion to furfural for biomass valorization using experimental-machine learning methods 利用实验机器学习方法了解和优化木糖转化为糠醛的生物质增值
IF 5.9 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 DOI: 10.1016/j.indcrop.2026.124382
Nitchakul Hongloi,Sagar Kafle,Farshad Feyzbar-Khalkhali-Nejad,Islam Elsayed,El Barbary Hassan,Sushil Adhikari
{"title":"Understanding and optimizing xylose conversion to furfural for biomass valorization using experimental-machine learning methods","authors":"Nitchakul Hongloi,Sagar Kafle,Farshad Feyzbar-Khalkhali-Nejad,Islam Elsayed,El Barbary Hassan,Sushil Adhikari","doi":"10.1016/j.indcrop.2026.124382","DOIUrl":"https://doi.org/10.1016/j.indcrop.2026.124382","url":null,"abstract":"","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"30 1","pages":"124382"},"PeriodicalIF":5.9,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149049189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phosphorus-driven physiological, biochemical, and metabolomic reprogramming in sweetpotato cultivars: Insights from root architecture to root exudate signatures 甘薯品种中磷驱动的生理、生化和代谢组学重编程:从根结构到根分泌物特征的见解
IF 5.9 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 DOI: 10.1016/j.indcrop.2026.124336
Baochen Liu,Afsheen Zehra,Jinhua Zhou,Zulfiqar Ali Sahito,Yan Yang,Wei Jiang,Lili Lu,Wanlin Yang,Lei Zhang
{"title":"Phosphorus-driven physiological, biochemical, and metabolomic reprogramming in sweetpotato cultivars: Insights from root architecture to root exudate signatures","authors":"Baochen Liu,Afsheen Zehra,Jinhua Zhou,Zulfiqar Ali Sahito,Yan Yang,Wei Jiang,Lili Lu,Wanlin Yang,Lei Zhang","doi":"10.1016/j.indcrop.2026.124336","DOIUrl":"https://doi.org/10.1016/j.indcrop.2026.124336","url":null,"abstract":"","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"27 1","pages":"124336"},"PeriodicalIF":5.9,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149021270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Light-regime-dependent modulation of biomass allocation and oxygenated sesquiterpene balance in vetiver root essential oil 香根草精油中生物量分配和含氧倍半萜平衡的光态依赖性调节
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-09-30 DOI: 10.1016/j.indcrop.2026.124483
Niloofar Aryanasl, Ali Sonboli, Ayyub Rezghiyan, Ghasem Eghlima, Mohammad Hossein Mirjalili
{"title":"Light-regime-dependent modulation of biomass allocation and oxygenated sesquiterpene balance in vetiver root essential oil","authors":"Niloofar Aryanasl,&nbsp;Ali Sonboli,&nbsp;Ayyub Rezghiyan,&nbsp;Ghasem Eghlima,&nbsp;Mohammad Hossein Mirjalili","doi":"10.1016/j.indcrop.2026.124483","DOIUrl":"10.1016/j.indcrop.2026.124483","url":null,"abstract":"<div><div>Light is increasingly used as a management tool in controlled cultivation of aromatic plants, but its effects on root-derived, sesquiterpene-rich essential oils remain poorly defined. Rooted slips of <em>Chrysopogon zizanioides</em> were cultivated for 13 months under natural greenhouse daylight, Red-Blue LED, or White LED. Growth traits, root biomass, and essential oil (EO) content were evaluated, and EO composition was characterized by GC–FID and GC–MS. Plants grown under White LED showed the greatest shoot elongation, whereas Red-Blue LED favored root elongation without a corresponding increase in root dry biomass. Control plants under natural daylight produced the greatest root biomass and numerically highest EO content (0.88%), although EO content did not differ significantly among treatments. The oil remained dominated by oxygenated sesquiterpenes under all light regimes. Red-blue LED increased the relative contribution of khusimol and khusiol while decreasing α- and β-vetivone. Dry-root-mass-based semi-quantitative estimates indicated that the higher relative abundance of khusimol did not correspond to greater estimated accumulation, whereas lower estimated contents of α- and β-vetivone remained evident. Exploratory CLR-PCA was consistent with this compositional contrast, and the selected alcohol-to-ketone ratio was highest under Red-Blue LED. Overall, the results indicate that light regime was associated more strongly with changes in the relative balance of selected oxygenated sesquiterpenes than with enhancement of EO content.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124483"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149085418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chitosan oligosaccharides in antibacterial applications: Decoupling material properties, antimicrobial mechanisms, and host responses 壳聚糖在抗菌中的应用:解耦材料特性、抗菌机制和宿主反应
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-10-06 DOI: 10.1016/j.indcrop.2026.124524
Yipeng Wang, Meng Zhang, Yihan Wang, Tianshu Wang, Jiayun Zou, Ying Xi, Yibo Bai
{"title":"Chitosan oligosaccharides in antibacterial applications: Decoupling material properties, antimicrobial mechanisms, and host responses","authors":"Yipeng Wang,&nbsp;Meng Zhang,&nbsp;Yihan Wang,&nbsp;Tianshu Wang,&nbsp;Jiayun Zou,&nbsp;Ying Xi,&nbsp;Yibo Bai","doi":"10.1016/j.indcrop.2026.124524","DOIUrl":"10.1016/j.indcrop.2026.124524","url":null,"abstract":"<div><div>Chitosan oligosaccharide (COS) is a low-molecular-weight hydrolysate derived from chitin and chitosan through chemical hydrolysis or enzymatic degradation. Compared with its parent polymers (chitin and chitosan) and other common natural polysaccharides, COS displays prominent water solubility, favorable biocompatibility, and multiple biofunctions including antibacterial, antioxidant and anti-inflammatory. Derivatization strategies for COS effectively strengthen its performance as carriers for drugs and genes, further expanding its applicable scope within pharmaceutics, food science and biomaterial engineering. This article reviews the preparation methods, structural characteristics, physicochemical properties, antimicrobial mechanisms, and clinical applications of COS as an antimicrobial agent. Integrating recent literature, it comprehensively analyzes and discusses the antimicrobial mechanisms of COS, key factors influencing its antimicrobial activity, and future development trends, aiming to evaluate its medical value and provide direction for its fundamental research and clinical translation.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124524"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149090501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The influence mechanism of tung oil and paraffin oil heat modification on the acoustic vibration characteristics of Jinghu soundboxes 桐油和石蜡油热改性对镜湖音箱声振动特性的影响机理
IF 5.9 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 DOI: 10.1016/j.indcrop.2026.124511
Yiyang Ge,Wen Fu,Rongzhen Song,Ying Li,Xiang Zhao,Shanyu Han,Zehui Jiang,Fuming Chen
{"title":"The influence mechanism of tung oil and paraffin oil heat modification on the acoustic vibration characteristics of Jinghu soundboxes","authors":"Yiyang Ge,Wen Fu,Rongzhen Song,Ying Li,Xiang Zhao,Shanyu Han,Zehui Jiang,Fuming Chen","doi":"10.1016/j.indcrop.2026.124511","DOIUrl":"https://doi.org/10.1016/j.indcrop.2026.124511","url":null,"abstract":"","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"43 1","pages":"124511"},"PeriodicalIF":5.9,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149151578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Engineering cornstalk-derived cellulose through multicycle carboxymethylation enables high-swelling superabsorbent polymers at high cellulose loading 工程玉米秆衍生纤维素通过多循环羧甲基化使高溶胀高吸水性聚合物在高纤维素负载
IF 5.9 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 DOI: 10.1016/j.indcrop.2026.124533
Fatemeh Dodangeh,Mohammad Amin Ghanavati,Sohrab Rohani,Chunbao Xu
{"title":"Engineering cornstalk-derived cellulose through multicycle carboxymethylation enables high-swelling superabsorbent polymers at high cellulose loading","authors":"Fatemeh Dodangeh,Mohammad Amin Ghanavati,Sohrab Rohani,Chunbao Xu","doi":"10.1016/j.indcrop.2026.124533","DOIUrl":"https://doi.org/10.1016/j.indcrop.2026.124533","url":null,"abstract":"","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"169 1","pages":"124533"},"PeriodicalIF":5.9,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149151585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microwave–rotary reflux extraction of nervonic acid-containing samara oil from Acer tegmentosum using ethyl formate: Operating window, extraction kinetics and energy intensity 甲酸乙酯微波旋转回流提取含神经酸翅果油:操作窗口、提取动力学和能量强度
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-10-08 DOI: 10.1016/j.indcrop.2026.124521
Guangyu Shi, Yang Yang, Xinyu Yang, Lei Yang
{"title":"Microwave–rotary reflux extraction of nervonic acid-containing samara oil from Acer tegmentosum using ethyl formate: Operating window, extraction kinetics and energy intensity","authors":"Guangyu Shi,&nbsp;Yang Yang,&nbsp;Xinyu Yang,&nbsp;Lei Yang","doi":"10.1016/j.indcrop.2026.124521","DOIUrl":"10.1016/j.indcrop.2026.124521","url":null,"abstract":"<div><div>A microwave–rotary reflux extraction (MRE) process using ethyl formate was developed as an intensified solid–liquid route for recovering samara oil from <em>Acer tegmentosum</em> Maxim. Solvent screening identified ethyl formate as the highest-yielding solvent among those that produced a free-flowing oil within the tested panel. Key operating variables were first evaluated by single-factor experiments and then optimized by Box–Behnken response surface methodology. The best operating conditions within the investigated domain (700 W, 28 mL/g, 9.1 min; rotation speed fixed at 56 r/min) achieved an oil yield of 13.0%, in good agreement with the model prediction. The fitted quadratic model was highly significant (<em>p</em> &lt; 0.0001) with nonsignificant lack-of-fit, supporting its use for process-domain mapping. The RSM model further delineated an operating window satisfying predicted oil yield ≥ 12.0% and direct extraction electricity ≤ 0.12 kWh per 10-g batch within the tested factor ranges. Kinetic analysis using a pseudo-first-order model further parameterized intensification: MRE delivered the highest equilibrium yield (Ye = 12.6671%) together with a high rate constant (<em>k</em> = 0.3680 min<sup>−1</sup>), indicating simultaneous improvements in extraction capacity and rate relative to reference methods. Under the defined boundary of direct microwave and rotary-motor electricity use during extraction, MRE required 0.112 kWh and corresponded to 58.56 g CO₂ while providing an electricity-normalized performance of 110.04%/kWh. GC–MS analysis of fatty acid methyl esters confirmed that the oil was dominated by linoleic acid (35.19%) and oleic acid (25.87%), with nervonic acid (C24:1) present at 5.83%. The proposed MRE approach combines microwave heating with controlled mixing under reflux, providing an engineering-relevant framework for operating-domain definition and future process scale-up.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124521"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149142082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-omics analysis reveals flavonoid metabolic changes and hormonal responses associated with seed dormancy release during cold stratification in Fritillaria unibracteata 多组学分析揭示了贝母冷分层过程中黄酮类代谢变化和激素响应与种子休眠释放的关系
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-10-13 DOI: 10.1016/j.indcrop.2026.124548
Xue Yang, Jianan Li, Bo Wang, Yongshang Tong, Xinyu Yang, Shenglin Fei, Guoying Zhou
{"title":"Multi-omics analysis reveals flavonoid metabolic changes and hormonal responses associated with seed dormancy release during cold stratification in Fritillaria unibracteata","authors":"Xue Yang,&nbsp;Jianan Li,&nbsp;Bo Wang,&nbsp;Yongshang Tong,&nbsp;Xinyu Yang,&nbsp;Shenglin Fei,&nbsp;Guoying Zhou","doi":"10.1016/j.indcrop.2026.124548","DOIUrl":"10.1016/j.indcrop.2026.124548","url":null,"abstract":"<div><div><em>Fritillaria unibracteata</em>, an endangered medicinal plant endemic to the Qinghai–Tibet Plateau, produces seeds characterized by prolonged dormancy and low germination rates, thereby severely limiting artificial propagation, germplasm conservation, and sustainable cultivation. This study optimized a two-stage low-temperature stratification treatment and integrated physiological, transcriptomic (RNA-seq), and non-targeted metabolomic (LC–MS) analyses to investigate the physiological and molecular changes during seed dormancy release. Seeds began to germinate after 180 days of stratification, reaching a germination rate of 92.63%, indicating that prolonged low-temperature stratification effectively promoted seed dormancy release under the experimental conditions used in this study. During stratification, gibberellic acid (GA₃) content increased, whereas abscisic acid (ABA) content and the ABA/GA₃ ratio decreased. Starch, soluble protein, and soluble sugar contents declined markedly. Key enzyme activities involved in glycolysis, the tricarboxylic acid (TCA) cycle, and the pentose phosphate pathway increased, whereas catalase (CAT) and peroxidase (POD) activities decreased. Transcriptome analysis and WGCNA revealed significant enrichment of pathways related to lipid storage, energy metabolism, and hormone signaling. The diterpenoid biosynthesis pathway and GA signaling were consistently enriched across stratification stages. WGCNA identified GA2ox as a hub gene, while multi-omics integration revealed significant correlations between flavonoid biosynthesis genes and metabolite accumulation. <em>CCoAOMT</em> expression was positively correlated with the accumulation of multiple flavonoids, including quercetin, epicatechin, and xanthohumol. Collectively, the results indicate that seed dormancy release during cold stratification is associated with coordinated changes in hormone balance, reserve mobilization, energy metabolism, and flavonoid metabolism. These findings provide an effective strategy for seed treatment and cultivation, thereby facilitating the large-scale propagation, sustainable cultivation, and industrial utilization of <em>F. unibracteata</em>.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124548"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149200461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated electronic tongue, metabolomic and transcriptomic analyses link tyramine-conjugated phenylpropanoid amides to spatial bitterness in Pleioblastus maculatus bamboo shoots 综合电子舌学、代谢组学和转录组学分析表明酪胺偶联苯丙酰胺与斑竹竹笋空间苦味有关
IF 6.4 1区 农林科学
Industrial Crops and Products Pub Date : 2026-10-01 Epub Date: 2026-10-12 DOI: 10.1016/j.indcrop.2026.124499
Wanqi Zhao, Shuyan Lin, Weixin Yan, Haixiang Yuan, Mingzhen Lv, Xu Zhang, Saixue Hu, Feiyi Huang
{"title":"Integrated electronic tongue, metabolomic and transcriptomic analyses link tyramine-conjugated phenylpropanoid amides to spatial bitterness in Pleioblastus maculatus bamboo shoots","authors":"Wanqi Zhao,&nbsp;Shuyan Lin,&nbsp;Weixin Yan,&nbsp;Haixiang Yuan,&nbsp;Mingzhen Lv,&nbsp;Xu Zhang,&nbsp;Saixue Hu,&nbsp;Feiyi Huang","doi":"10.1016/j.indcrop.2026.124499","DOIUrl":"10.1016/j.indcrop.2026.124499","url":null,"abstract":"<div><div>Bamboo shoots are widely consumed vegetables in East and Southeast Asia, but the metabolites responsible for spatial bitterness variation within a single shoot and the underlying transcriptional mechanisms have not been identified. We combined electronic tongue phenotyping with metabolomics (885 metabolites) and transcriptomics (33,709 transcripts) across the tip, middle and basal sections of <em>Pleioblastus maculatus</em> shoots. Light exclusion and soil-mulching treatments were applied to separate photic from non-photic environmental signals. Bitterness peaked in the middle section. Two tyramine-conjugated hydroxycinnamic acid amides, <em>N</em>-feruloyltyramine and <em>N</em>-coumaroyltyramine, accumulated preferentially in the middle section and correlated with the measured bitterness pattern. Expanded phenylpropanoid gene families showed paralog-level expression divergence along the shoot axis. Two BAHD acyltransferases, PmAT15 and PmAT15-like, were preferentially expressed in the middle section, whereas paralogs directing monolignol biosynthesis predominated in the base. Total phenolic content correlated most strongly with bitterness among all physiological indicators measured. Soil mulching reduced middle-section bitterness by 69.7%, whereas light exclusion alone had no significant effect. These results showed that paralog-level expression divergence within phenylpropanoid gene families was associated with the spatial distribution of bitter metabolites in bamboo shoots. Non-photic signals associated with soil burial, rather than light deprivation, were the primary environmental cues regulating this distribution.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"252 ","pages":"Article 124499"},"PeriodicalIF":6.4,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149200464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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