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当前位置: 首页 > 文章 > Fe~(2+)和Fe~(3+)对长茎葡萄蕨藻生长、铁含量和生理特性的影响 广东海洋大学学报 2020 (2) 20-27
Position: Home > Articles > Effects of Two Types of Inorganic Iron on the Growth, Iron Content and Physiological Characteristics of Caulerpa lentillifera Journal of Guangdong Ocean University 2020 (2) 20-27

Fe~(2+)和Fe~(3+)对长茎葡萄蕨藻生长、铁含量和生理特性的影响

作  者：
王晓梁;刘东超;徐日升;陈海昇
单  位：
广东海洋大学水产学院;广东省藻类养殖及应用工程技术中心
关键词：
长茎葡萄蕨藻;生长;铁含量;抗氧化酶;营养成分
摘  要：
【目的】探索两种无机铁对长茎葡萄蕨藻(Caulerpa lentillifera)的生长、铁含量及生理特性的影响。【方法】分别以三氯化铁(FeCl_3)和硫酸亚铁(FeSO_4)作为铁源,采用单因素实验方法,研究在不同浓度Fe~(2+)、Fe~(3+)条件下,长茎葡萄蕨藻的生长、光合色素含量、铁含量、两种过氧化酶(CAT、T-SOD)活性,以及总蛋白、维生素C和可溶性糖含量。【结果】在水体中无论是添加Fe~(2+)还是Fe~(3+),藻体的特定生长率(SGR)、光合色素含量、铁含量、过氧化物酶活性和维生素C含量均显著高于对照组(P <0.05)。藻体的铁含量随着培养液中铁离子浓度的升高而增加,以Fe~(2+)和Fe~(3+)处理后,藻体铁最高值分别可达到1 522.54μg/g和1 373.93μg/g,增幅为1 369.34%和1 225.92%;藻体维生素C最高质量分数分别可达15.41μg/mg和12.89μg/mg,增幅为107.56%和73.58%。Fe~(2+)实验组对藻体的可溶性糖含量有显著影响(P <0.05)。实验藻体的总蛋白含量显著低于对照组(P <0.05)。【结论】藻体在3 mg/L Fe~(2+)或者6 mg/L Fe~(3+)的条件下,长茎葡萄蕨藻生长最佳,其营养品质可得以改善。
译  名：
Effects of Two Types of Inorganic Iron on the Growth, Iron Content and Physiological Characteristics of Caulerpa lentillifera
作  者：
WANG Xiao-liang;LIU Dong-chao;XU Ri-sheng;CHEN Hai-sheng;Fisheries College of Guangdong Ocean University;Engineering Technology Research Center for Algae Breeding and Application of Guangdong Province;
关键词：
Caulerpa lentillifera;;growth;;iron content;;antioxidative enzymes;;nutrient content
摘  要：
【Objective】The effects of two types of inorganic ferrum on the growth, photosynthetic pigment, iron content, antioxidative enzymes activity and nutrient components of Caulerpa lentillifera.【Method】Ferric chloride(FeCl_3) and ferrous sulfate(FeSO_4) were added as iron sources in diet and their effects on growth, photosynthetic pigment content, iron content, enzymatic activity(CAT, T-SOD) and total protein, Vitamin C and soluble sugar content of C. lentillifera were studied in a single factor experiment.【Result】The specific growth rate, photosynthetic pigment concentration, iron content, antioxidative enzymes activity(CAT, T-SOD) and Vitamin C concentration of algae were significantly higher than the control group under Fe~(2+) or Fe~(3+) treatment(P<0.05). The iron content of algae is significantly increased with the increase of Fe~(2+) or Fe~(3+) concentration in the culture solution with the highest values 1 522.54 μg/g and 1 373.93 μg/g respectively and the increase was by 1 369.34% and 1 225.92%respectively. The highest Vitamin C concentration of algae reached 15.41 μg/mg(for Fe~(2+)) and 12.89 μg/mg(for Fe~(3+)), increasing by 107.56% and 73.586%, respectively. Fe~(2+) group had a significant effect on the soluble sugar content of algae(P<0.05). The total protein content of algae was significantly lower than that of the control group(P<0.05). 【Conclusion】When the algae was under 3 mg/L Fe~(2+) or 6 mg/L Fe~(3+) treatment, the algae achieved the best growth and improvement in nutritional quality.

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