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绿茶及其纳米粒子溶致液晶在运动适应中的作用：一项高强度间歇训练的临床前研究。

Effects of Green Tea and Green Tea Incorporated in Nanoparticle Lyotropic Liquid Crystal on Exercise Adaptations: A High-Intensity Interval Training Pre-Clinical Study.

机构信息

Laboratory of Toxicologycal Research, University of Sorocaba, UNISO, Sorocaba 18023-000, SP, Brazil.

Laboratory of Biomaterials and Nanotechnology, University of Sorocaba, UNISO, Sorocaba 18023-000, SP, Brazil.

出版信息

Nutrients. 2022 Aug 7;14(15):3226. doi: 10.3390/nu14153226.

DOI:10.3390/nu14153226
PMID:35956402
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9370762/
Abstract

Green tea (GT) is a natural antioxidant, sensitive to oxidation after preparation. Lyotropic liquid crystals (LLCs) are nanostructured systems used to incorporate bioactive compounds. High-intensity interval training (HIIT) is a workout modality that increases the production of reactive oxygen species (ROS). Thus, this research aimed to compare the effects of GT and GT loaded in LLC in animals subjected to HIIT, considering hematological, biochemical and histological parameters, redox status, and body mass. Monoolein, GT in infusion and Poloxamer 407 were mixed to obtain nanoparticles of LLC (NP-LLC). Healthy male rats were randomized into six groups ( = 6/group): Control (C), GT, GT-NP-LLC, Exercise (Ex), GT+Ex, GT-NP-LLC+Ex. Body weight was significantly lower in all groups subjected to HIIT compared to C. The percentages of body mass reduction were 11.3, 13.0, 10.0 and 11.0% for Ex, GT+Ex, GT-NP-LLC and GT-NP-LLC+Ex, respectively, compared to control. GT-NP-LLC and Ex reduced triglycerides compared to C. GT and GT-NP-LLC supplementation combined with HIIT presented higher muscle hypertrophy (25 and 21%, respectively), better physical conditioning, and reduced body weight gain rate compared to HIIT by itself. Moreover, the effects of GT-NP-LLC itself on body mass and biochemical parameters are promising, suggesting NP-LLC could improve the bioavailability of GT.

摘要

绿茶（GT）是一种天然抗氧化剂，制备后容易氧化。溶致液晶（LLC）是一种纳米结构系统，用于包埋生物活性化合物。高强度间歇训练（HIIT）是一种增加活性氧（ROS）产生的锻炼方式。因此，本研究旨在比较 GT 和负载在 LLC 中的 GT 在接受 HIIT 的动物中的作用，考虑血液学、生化和组织学参数、氧化还原状态和体重。单油酸甘油酯、输注中的 GT 和泊洛沙姆 407 混合以获得 LLC 的纳米颗粒（NP-LLC）。健康雄性大鼠随机分为六组（每组 n = 6）：对照组（C）、GT、GT-NP-LLC、运动组（Ex）、GT+Ex、GT-NP-LLC+Ex。与 C 相比，所有接受 HIIT 的组的体重均显著降低。与对照组相比，Ex、GT+Ex、GT-NP-LLC 和 GT-NP-LLC+Ex 组的体重减轻百分比分别为 11.3%、13.0%、10.0%和 11.0%。与 C 相比，GT-NP-LLC 和 Ex 降低了甘油三酯。与 HIIT 相比，GT 和 GT-NP-LLC 联合补充 HIIT 表现出更高的肌肉肥大（分别为 25%和 21%）、更好的身体适应能力和降低体重增长率。此外，GT-NP-LLC 本身对体重和生化参数的影响很有希望，表明 NP-LLC 可以提高 GT 的生物利用度。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/165ecd7c1191/nutrients-14-03226-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/212e54c7ac99/nutrients-14-03226-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/a66e204f3bce/nutrients-14-03226-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/05ba4417ef8d/nutrients-14-03226-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/4f41d9ecfe75/nutrients-14-03226-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/165ecd7c1191/nutrients-14-03226-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/212e54c7ac99/nutrients-14-03226-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/3872df47dc80/nutrients-14-03226-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/a66e204f3bce/nutrients-14-03226-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/05ba4417ef8d/nutrients-14-03226-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/4f41d9ecfe75/nutrients-14-03226-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445d/9370762/165ecd7c1191/nutrients-14-03226-g006.jpg

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本文引用的文献

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Antioxidants and Exercise Performance: With a Focus on Vitamin E and C Supplementation.抗氧化剂与运动表现：以维生素 E 和 C 补充为例。
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Does green tea extract enhance the anti-inflammatory effects of exercise on fat loss?绿茶提取物会增强运动对减脂的抗炎作用吗？
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Structural Features and the Anti-Inflammatory Effect of Green Tea Extract-Loaded Liquid Crystalline Systems Intended for Skin Delivery.用于皮肤给药的绿茶提取物负载液晶系统的结构特征及抗炎作用
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