Results of chemical analyses

Concentration of 12 phenolic acids (gallic, 2,5-dihydroxobenzoic, 4-hydroxobenzoic, caffeic, syringic, p-coumaric, ferulic, chlorogenic, sinapic, t-cinnamic, vanillic, salicylic), 7 flavonoids (naringenin, vitexin, rutin, quercitin , apigenin, campferol, luteolin) values expressed in mg/kg, 6 organic acids (LMOWAs): oxalic, maleic, citric, malic, quinic, shikimate expressed in mg/kg; chlorophyll a, b expressed in mg/kg, sugar profile (glucose, fructose, galactose/arabinose, sucrose, raffinose/melibiose, starch) expressed in μmol/g, antioxidant activity (will be assessed by two methods: reaction with the cation radical ABTS expressed in mg Trolox with equivalent antioxidant capacity/L of 80% EtOH extract and DPPH reagent expressed in mg N,N-dimethyl-p-phenylenediamine radical scavengers/L 80% EtOH), total polyphenols (Total phenolic content - TPC - expressed in mg of gallic acid/ kg DM, terpene profile (by liquid chromatography methods - UPLC/DAD/MS/IR, gas chromatography coupled with a mass spectrometer (GC/MS) in pine needle samples from healthy stands and stands with Panolis flammea outbreak.

本数据集包含健康林分及受松尺蠖（Panolis flammea）爆发影响林分的松针样本中以下化学成分的浓度测定结果：12种酚酸（phenolic acids）（没食子酸、2,5-二羟基苯甲酸、4-羟基苯甲酸、咖啡酸、丁香酸、对香豆酸、阿魏酸、绿原酸、芥子酸、反式肉桂酸、香草酸、水杨酸），浓度单位为mg/kg；7种黄酮类（flavonoids）（柚皮素、牡荆素、芦丁、槲皮素、芹菜素、山奈酚、木犀草素），浓度单位为mg/kg；6种有机酸（低分子量有机酸，LMOWAs）：草酸、马来酸、柠檬酸、苹果酸、奎宁酸、莽草酸，浓度单位为mg/kg；叶绿素a、b，浓度单位为mg/kg；糖谱（葡萄糖、果糖、半乳糖/阿拉伯糖、蔗糖、棉子糖/蜜二糖、淀粉），浓度单位为μmol/g；抗氧化活性（采用两种方法评估：其一为与阳离子自由基ABTS的反应，结果以每升80%乙醇提取物中相当于mg Trolox的抗氧化能力表示；其二为DPPH试剂反应，结果以每升80%乙醇提取物中mg N,N-二甲基对苯二胺自由基清除剂表示）；总多酚（总酚含量，TPC，结果以每千克干物质中mg没食子酸表示）；萜烯谱（通过液相色谱法——超高效液相色谱/二极管阵列检测器/质谱/红外光谱（UPLC/DAD/MS/IR），以及气相色谱-质谱联用（GC/MS）技术测定）。