化学良性压力引发定制化反应并提高新型食品的功能质量。
Chemical Eustress Elicits Tailored Responses and Enhances the Functional Quality of Novel Food .
机构信息
Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy.
Department of Vegetable Crops, Agricultural Research Institute, Nicosia 1516, Cyprus.
出版信息
Molecules. 2019 Jan 6;24(1):185. doi: 10.3390/molecules24010185.
Consumer demand for fresh and functional horticultural products is on the rise. , L. Britt () is a potential specialty/niche crop for consumption and therapeutic uses with high contents of phenolic and volatile compounds. Plant growth, mineral composition, polyphenol profile and aroma volatile components of two perilla genotypes in response to salinity (non-salt control, 10, 20 or 30 mM NaCl) applied as chemical eustressor were assessed. Salinity suppressed growth and yield of both genotypes, although the red-pigmented genotype was less sensitive than the green-pigmented one. Mild (10 mM NaCl) and moderate (20 and 30 mM NaCl) salinity suppressed foliar potassium, magnesium, nitrate and chlorophyll a concentrations of both genotypes and increased the levels of rosmarinic acid, total polyphenols and target aroma volatile components. Green perilla showed higher yield and biomass production and higher content of protein, dry matter, calcium, magnesium, perilla ketone and -jasmone, whereas red perilla exhibited higher content of potassium, chlorophyll a, rosmarinic acid, total polyphenols, perilla aldehyde and benzaldehyde. Our findings support that chemical eustressors such as mild to moderate salinity offer valuable means to manipulate phytochemical and aroma profiles.
消费者对新鲜和功能性园艺产品的需求正在上升。紫苏(L. Britt)是一种具有高含量酚类和挥发性化合物的潜在特色/利基作物,可用于消费和治疗用途。评估了两种紫苏基因型对盐度(非盐对照、10、20 或 30 mM NaCl)作为化学胁迫的反应,盐度抑制了两种基因型的生长和产量,尽管红色素基因型比绿色素基因型不那么敏感。轻度(10 mM NaCl)和中度(20 和 30 mM NaCl)盐度抑制了两种基因型叶片的钾、镁、硝酸盐和叶绿素 a 浓度,并增加了迷迭香酸、总多酚和目标香气挥发性成分的水平。绿紫苏表现出更高的产量和生物量生产,以及更高的蛋白质、干物质、钙、镁、紫苏酮和 - 茉莉酮含量,而红紫苏表现出更高的钾、叶绿素 a、迷迭香酸、总多酚、紫苏醛和苯甲醛含量。我们的研究结果表明,化学胁迫剂(如轻度至中度盐度)为操纵植物化学物质和香气特征提供了有价值的手段。