Dyduch-Siemińska Magdalena, Najda Agnieszka, Dyduch Jan, Gantner Magdalena, Klimek Kamila
Department of Genetics and Horticultural Plant Breeding, University of Life Sciences in Lublin, Akademicka Street 15, 20-068 Lublin, Poland.
Department of Vegetable and Medicinal Plants, University of Life Sciences in Lublin, K. Leszczyńskiego Street 58, 20-068 Lublin, Poland.
J Anal Methods Chem. 2015;2015:831238. doi: 10.1155/2015/831238. Epub 2015 Oct 11.
Chemical analyses carried out in 2011-2013 aimed at evaluating the contents of flavonoids, free phenolic acids, tannins, anthocyanins, and antioxidant activity (%) by means of DPPH radical neutralization ability in fresh and air-dried fruits of three wild strawberry cultivars. Examinations revealed differences in contents of biologically active substances determined in raw versus dried material depending on the cultivar. Mean concentrations of flavonoids and tannins were highest in raw fruits of "Baron von Solemacher" cv., which amounted to 1.244 mg·g(-1) and 6.09%, respectively. Fresh fruits of "Regina" cv. were characterized by the highest average content of phenolic acids and anthocyanins: 4.987 mg·g(-1) and 0.636 mg·100 g(-1). The pattern of mean contents of biologically active substances analyzed in air-dried fruits was similar. Significant differences in abilities to neutralize the DPPH radical to diphenylpicrylhydrazine by extracts made of examined wild strawberry fruits were also indicated.
2011年至2013年进行的化学分析旨在通过DPPH自由基中和能力评估三种野生草莓品种新鲜果实和风干果实中黄酮类化合物、游离酚酸、单宁、花青素的含量以及抗氧化活性（%）。检测发现，根据品种不同，生鲜材料和干燥材料中生物活性物质的含量存在差异。“Baron von Solemacher”品种的生鲜果实中黄酮类化合物和单宁的平均浓度最高，分别为1.244毫克·克-1和6.09%。“Regina”品种的新鲜果实中酚酸和花青素的平均含量最高：分别为4.987毫克·克-1和0.636毫克·100克-1。风干果实中分析的生物活性物质平均含量模式相似。研究还表明，所检测的野生草莓果实提取物对DPPH自由基（二苯基苦味酰基肼）的中和能力存在显著差异。
