Cuevas Francisco Julián, Pradas Inmaculada, Ruiz-Moreno María José, Arroyo Francisco Teodoro, Perez-Romero Luis Felipe, Montenegro José Carlos, Moreno-Rojas José Manuel
Postharvest Technology and Agrifood Industry Area, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA), Alameda del Obispo, Córdoba, Spain.
Organic Production and Natural Resources, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA), Las Torres-Tomejil, Seville, Spain.
PLoS One. 2015 Aug 27;10(8):e0136596. doi: 10.1371/journal.pone.0136596. eCollection 2015.
In this study, thirteen Japanese plum cultivars (Prunus salicina Lindl.) grown under conventional and organic conditions were compared to evaluate the influence of the culture system on bioactive compounds. Their organic acids content (malic, citric, tartaric, succinic, shikimic, ascorbic and fumaric acid), total polyphenols, total anthocyanins, total carotenoids and antioxidant capacity (FRAP, ABTS) were evaluated. The study was performed during two consecutive seasons (2012 and 2013) in two experimental orchards located at the IFAPA centre Las Torres-Tomejil (Seville, SW Spain). The culture system affected all the studied parameters except for total carotenoid content. The organic plums had significantly higher polyphenol and anthocyanin concentrations and a greater antioxidant capacity. Additionally, significant differences between cultivars were also found. 'Showtime' and 'Friar' were the cultivars with the highest polyphenol concentration and antioxidant capacity. 'Black Amber' had the highest anthocyanin content and 'Larry Ann' and 'Songold' the highest carotenoid content. 'Sapphire' and 'Black amber' were the cultivars with the highest concentration of ascorbic acid. Our results showed a strong year effect. In conclusion, organic management had an impact on the production of phytochemical compounds in plums.
在本研究中，对13个在常规和有机种植条件下生长的日本李品种（Prunus salicina Lindl.）进行了比较，以评估种植系统对生物活性化合物的影响。测定了它们的有机酸含量（苹果酸、柠檬酸、酒石酸、琥珀酸、莽草酸、抗坏血酸和富马酸）、总多酚、总花青素、总类胡萝卜素和抗氧化能力（铁离子还原抗氧化能力法、2,2'-联氮-双-3-乙基苯并噻唑啉-6-磺酸阳离子自由基清除能力法）。该研究在位于IFAPA中心拉斯托雷斯 - 托梅吉尔（西班牙西南部塞维利亚）的两个试验果园中连续两个季节（2012年和2013年）进行。种植系统对除总类胡萝卜素含量外的所有研究参数均有影响。有机种植的李子多酚和花青素浓度显著更高，抗氧化能力更强。此外，还发现品种之间存在显著差异。‘Showtime’和‘Friar’是多酚浓度和抗氧化能力最高的品种。‘Black Amber’花青素含量最高，‘Larry Ann’和‘Songold’类胡萝卜素含量最高。‘Sapphire’和‘Black amber’是抗坏血酸浓度最高的品种。我们的结果显示出强烈的年份效应。总之，有机管理对李子中植物化学化合物的产生有影响。
