Quality Parameters, Empirical and Kinetic Models of Lycopene and Beta-carotene Bioformation in Tomatoes (Solanum lycopersicum)

IF 1.4 Q3 CHEMISTRY, MULTIDISCIPLINARY
M. Abdul-Hammed, M. Olajide, A. J. Adepoju, Ebhohimen Ehizuelen Israel, I. O. Adedotun
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引用次数: 1

Abstract

This study modelled a kinetic for estimating geranyl geranyl pyrophosphate (GGPP) concentration in the carotenoid pathway in tomatoes (Solanum lycopersicon). Kinetics of bioformation of carotenoids in tomatoes of different cultivars (Cherry-Nasmata, VAR-10 and 4-lobes) at different ripening stages and conditions served as a model system in estimating the GGPP concentration in the kinetic model. Physicochemical parameters, lycopene and beta-carotene contents were assessed and compared under the two ripening conditions using standard laboratory procedures. The solid contents in the three cultivars of tomato range from 5.61% to 6.85% and 5.83% to 7.16% at field and ambient temperature ripening, respectively, the pH values were all in the acidic region. Highest lycopene and beta-carotene concentrations were observed in 4-lobes cultivar at field ripening. The obtained data subjected to empirical and kinetic modeling favoured the exponential models as a first order kinetics for both lycopene and beta-carotene bioformation in Cherry-Nasmata and 4-lobes cultivars. This suggests that beta-carotene bioformation is dependent on the pathway of lycopene in the tomato cultivars under study. The quality parameters of the tomato cultivars showed that ripening conditions have influence on their quality contents and the GGPP concentrations of some of the tomatoes were successfully estimated using the kinetic model.
番茄(Solanum lycopersicum)中番茄红素和β -胡萝卜素生物形成的质量参数、经验和动力学模型
本研究模拟了估算番茄类胡萝卜素途径中香叶基-焦磷酸香叶基(GGPP)浓度的动力学。不同品种(Cherry-Nasmata、VAR-10和4-叶)番茄在不同成熟阶段和条件下类胡萝卜素的生物形成动力学可作为动力学模型估计GGPP浓度的模型系统。采用标准实验室程序对两种成熟条件下的理化参数、番茄红素和β -胡萝卜素含量进行了评估和比较。3个番茄品种在田间和环境温度催熟时固含量分别为5.61% ~ 6.85%和5.83% ~ 7.16%,pH值均在酸性区。4叶番茄红素和β -胡萝卜素含量在田间成熟时最高。实验和动力学模型均支持指数模型作为樱桃和四叶樱桃品种番茄红素和β -胡萝卜素生物形成的一级动力学。这表明β -胡萝卜素的生物形成依赖于所研究番茄品种中番茄红素的途径。番茄品种的品质参数表明,成熟条件对其品质含量有影响,并利用动力学模型成功估算了部分番茄的GGPP浓度。
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来源期刊
Physical Chemistry Research
Physical Chemistry Research CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
2.70
自引率
8.30%
发文量
18
期刊介绍: The motivation for this new journal is the tremendous increasing of useful articles in the field of Physical Chemistry and the related subjects in recent years, and the need of communication between Physical Chemists, Physicists and Biophysicists. We attempt to establish this fruitful communication and quick publication. High quality original papers in English dealing with experimental, theoretical and applied research related to physics and chemistry are welcomed. This journal accepts your report for publication as a regular article, review, and Letter. Review articles discussing specific areas of physical chemistry of current chemical or physical importance are also published. Subjects of Interest: Thermodynamics, Statistical Mechanics, Statistical Thermodynamics, Molecular Spectroscopy, Quantum Chemistry, Computational Chemistry, Physical Chemistry of Life Sciences, Surface Chemistry, Catalysis, Physical Chemistry of Electrochemistry, Kinetics, Nanochemistry and Nanophysics, Liquid Crystals, Ionic Liquid, Photochemistry, Experimental article of Physical chemistry. Mathematical Chemistry.
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