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Peer-reviewedCC BY-NC-NDFood Chemistry: X

Double-layer curtain canopy systems modulate volatile compounds and sensory attributes of ‘Syrah’ grapes and wines in hot-arid regions

  • Xiaoqing Tao1
  • Jinge Hu2
  • Yang Tang1
  • Yaowen Zhang1
  • Zhaoning Wei1
  • Haochen Wang1
  • Feng Xue3
  • Guoyuan Fan3
  • Yulin Fang4
  • Tengfei Xu5
  • Shijian Bai6
  • Jiangfei Meng7
7 affiliations
  1. 1Shaanxi Key Laboratory for Viti-Viniculture, College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China
  2. 2Shaanxi Key Laboratory for Viti-Viniculture, College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China; Xinjiang Uygur Autonomous Region Facility Agriculture and Characteristic Agriculture R&D Center, Shanshan, Xinjiang 838200, China
  3. 3Turpan LouLan Chateau Co., Ltd. Shanshan, Xinjiang 838200, China
  4. 4Shaanxi Key Laboratory for Viti-Viniculture, College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China; Xinjiang Research Institute of Agriculture in Arid Areas, Urumqi, Xinjiang 830091, China
  5. 5State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China
  6. 6Xinjiang Uygur Autonomous Region Facility Agriculture and Characteristic Agriculture R&D Center, Shanshan, Xinjiang 838200, China; Corresponding authors at: College of Enology, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, China.
  7. 7Shaanxi Key Laboratory for Viti-Viniculture, College of Enology, Northwest A&F University, Yangling, Shaanxi 712100, China; Xinjiang Research Institute of Agriculture in Arid Areas, Urumqi, Xinjiang 830091, China; Corresponding authors at: College of Enology, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, China.
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Abstract

Climate change threatens wine quality in hot-arid regions. This two-year study (2023 and 2024) evaluated double-layer curtain (DLC) canopy systems in the Turpan-Hami Basin using Vitis vinifera ‘Syrah’, with vertical shoot positioning (VSP) as control. DLC-100V moderated cluster-zone temperature and humidity, delayed sugar accumulation, and increased titratable acidity and tartaric acid in grapes, leading to lower ethanol and higher acidity in wines. DLC treatments increased ester and C6/C9 concentrations in grapes in 2023, with the highest terpenes under DLC-100V; norisoprenoids did not differ. Wine volatile profiles showed similar vintage-dependent responses. Aroma series and sensory attributes were altered, with DLC-100V showing consistent improvements in acidity, aroma intensity, and balance. Overall, DLC-100V was the most effective configuration for ‘Syrah’ under these conditions. These findings suggest that optimizing canopy architecture can mitigate heat stress and improve grape and wine quality in hot-arid regions.

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Cite

BibTeXRIS
BibTeX
@article{tao2026doublelayer,
  title = {{Double-layer curtain canopy systems modulate volatile compounds and sensory attributes of ‘Syrah’ grapes and wines in hot-arid regions}},
  author = {Xiaoqing Tao and Jinge Hu and Yang Tang and Yaowen Zhang and Zhaoning Wei and Haochen Wang and Feng Xue and Guoyuan Fan and Yulin Fang and Tengfei Xu and Shijian Bai and Jiangfei Meng},
  journal = {Food Chemistry: X},
  year = {2026},
  month = oct,
  doi = {10.1016/j.fochx.2026.104667},
  url = {https://doi.org/10.1016/j.fochx.2026.104667},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Double-layer curtain canopy systems modulate volatile compounds and sensory attributes of ‘Syrah’ grapes and wines in hot-arid regions
AU  - Xiaoqing Tao
AU  - Jinge Hu
AU  - Yang Tang
AU  - Yaowen Zhang
AU  - Zhaoning Wei
AU  - Haochen Wang
AU  - Feng Xue
AU  - Guoyuan Fan
AU  - Yulin Fang
AU  - Tengfei Xu
AU  - Shijian Bai
AU  - Jiangfei Meng
PY  - 2026
DA  - 2026/10/22
JO  - Food Chemistry: X
DO  - 10.1016/j.fochx.2026.104667
UR  - https://doi.org/10.1016/j.fochx.2026.104667
AB  - Climate change threatens wine quality in hot-arid regions. This two-year study (2023 and 2024) evaluated double-layer curtain (DLC) canopy systems in the Turpan-Hami Basin using Vitis vinifera ‘Syrah’, with vertical shoot positioning (VSP) as control. DLC-100V moderated cluster-zone temperature and humidity, delayed sugar accumulation, and increased titratable acidity and tartaric acid in grapes, leading to lower ethanol and higher acidity in wines. DLC treatments increased ester and C6/C9 concentrations in grapes in 2023, with the highest terpenes under DLC-100V; norisoprenoids did not differ. Wine volatile profiles showed similar vintage-dependent responses. Aroma series and sensory attributes were altered, with DLC-100V showing consistent improvements in acidity, aroma intensity, and balance. Overall, DLC-100V was the most effective configuration for ‘Syrah’ under these conditions. These findings suggest that optimizing canopy architecture can mitigate heat stress and improve grape and wine quality in hot-arid regions.
SN  - 2590-1575
ER  -