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Light Acquisition02:16

Light Acquisition

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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Tomato Analyzer: A Useful Software Application to Collect Accurate and Detailed Morphological and Colorimetric Data from Two-dimensional Objects
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用支持向量回归预测热水处理和暴露在高温乙烯中的西红的颜色发育和质地变化.

G Madasamy Raja1, P Selvaraju2, P Pathmanaban3

  • 1Department of Information Technology, Paavai Engineering College, Namakkal, Tamilnadu, India.

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此摘要是机器生成的。

热水处理 (HWT) 增强了番茄的抗氧化能力,并保持了颜色. 联合HWT和高温乙烯 (HTE) 暴露会影响成熟,酸度和干物质,对抗氧化化合物产生复杂的影响.

关键词:
颜色预测 颜色预测机器学习是机器学习.不使用化学处理的非化学处理.收获后的质量质量.储存温度 储存温度 储存温度

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科学领域:

  • 园艺科学 园艺科学
  • 收获后生理学 收获后生理学
  • 食品化学 食品化学

背景情况:

  • 成熟的绿色番茄需要收获后处理,以管理质量和延长保质期.
  • 热水处理 (HWT) 和高温乙烯 (HTE) 是探索影响水果成熟和质量的方法.

研究的目的:

  • 研究HWT和HTE对成熟绿色番茄的收获后质量和抗氧化性能的单独和综合影响.
  • 评估颜色,物理化学特性,抗氧化化合物和抗氧化能力的变化.

主要方法:

  • 番茄经过HWT (50°C或25°C5分钟),然后经过HTE (20°C,30°C或35°C24小时,48小时或72小时).
  • 评估的参数包括颜色指标 (L*,a*,b*,色彩,色调),物理化学特性 (酸度,干物质),抗氧化化合物 (例如β-胡卜素) 和氧基吸收能力 (ORAC).
  • 使用支持向量回归 (SVR) 模型来预测颜色参数.

主要成果:

  • HWT显著增加了β-胡卜素和ORAC,同时保持了理想的颜色属性,即使在随后的HTE暴露后.
  • 暴露于HTE延迟了成熟,增加了可定位酸度,并降低了干物质含量.
  • HTE对特定抗氧化化合物的影响取决于暴露的温度和持续时间. 对于颜色参数,SVR模型显示出高预测精度 (R2>0.85).

结论:

  • HWT作为提高番茄质量的收获后策略,尤其是在提高抗氧化剂水平和颜色稳定性方面,显示出前景.
  • HWT和HTE之间的相互作用对番茄成熟,物理化学特征和抗氧化剂概况具有复杂的影响,需要仔细考虑以优化应用.