Characterization of a new Camellia plant resource with low caffeine and high theobromine for production of a novel natural low-caffeine tea

Chen, Taolin; Ge, Zhiwen; Yang, Xuemei; Wang, Xifu; Zuo, Hao; Liao, Yinping; Chen, Zhiping; Zhang, Zheng; Chen, Meili; Zhao, Jian; Luo, Junwu

doi:10.1016/j.fochx.2024.101586

Food Chemistry: X

2024

DOI: 10.1016/j.fochx.2024.101586

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Characterization of a new Camellia plant resource with low caffeine and high theobromine for production of a novel natural low-caffeine tea

Taolin Chen,

Zhiwen Ge,

Xuemei Yang

et al.

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Real-Time In Situ Tracking of the Penetration and Uptake Behavior of Nano-pesticides in Tea Plants Using Surface-Enhanced Raman Spectroscopy

Wang,

Cui

et al. 2024

J. Agric. Food Chem.

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In situ monitoring of the uptake and transportation process of nano-pesticides during crop growth remains challenging thus far. In this report, the different three sizes of surface-enhanced Raman spectroscopy probes of nano-pesticides loaded with ferbam and acetamiprid are representative non-systemic or systemic pesticides, respectively. The probes were verified to have strong signals of the Raman spectrum enhancement effect. They were further applied on the leaves and roots of tea plants. Within 5 h, the nano-pesticides of 50 nm and 100 nm except 150 nm probes could rapidly penetrate young tea leaves to a depth of about 150−290 μm. Whereas none of the probes were observed to penetrate mature leaves and roots of tea plants. The result showed that the penetration rate depended on the size of the nano-pesticides and the structure or maturity of the plant tissue rather than the loaded pesticides. The penetration rate of small-sized nano-pesticides in young tea leaves is the fastest.

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Real-Time In Situ Tracking of the Penetration and Uptake Behavior of Nano-pesticides in Tea Plants Using Surface-Enhanced Raman Spectroscopy

Wang,

Cui

et al. 2024

J. Agric. Food Chem.

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show abstract

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Characterization of a new Camellia plant resource with low caffeine and high theobromine for production of a novel natural low-caffeine tea

Cited by 1 publication

References 24 publications

Real-Time In Situ Tracking of the Penetration and Uptake Behavior of Nano-pesticides in Tea Plants Using Surface-Enhanced Raman Spectroscopy

Real-Time In Situ Tracking of the Penetration and Uptake Behavior of Nano-pesticides in Tea Plants Using Surface-Enhanced Raman Spectroscopy

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