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Discrimination of Lycium chinense and Lycium barbarum by taste pattern and betaine analysis

机译:味觉模式和甜菜碱分析鉴别枸杞和枸杞。

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Lycii Fructus was used as natural products with therapeutic properties for a long time. Betaine is a natural amino acid and one of the major constituents of Lycii Fructus. It is reported that this fruit plays a role in reducing blood levels of homocysteine, a toxic byproduct of the amino acid metabolism. This study was used to establish infra based on oriental medicine through the analysis of correlation of taste, contents of betaine, %Brix and physico-chemical properties of Lycii Fructus. To investigate betaine, quantitative analysis was performed using HPLC separation system. In addition, %Brix and saccharide were estimated. Taste pattern analysis was measured using the taste sensing system, SA402B equipped with six taste sensors including newly developed sweetness sensor. Betaine quantitative analysis showed that emL. barbarum/em 0.64 ± 0.15% (n = 6) was significantly higher than emL. chinense/em 0.55 ± 0.1% (n = 12). And %Brix and saccharide composition of Lycii Fructus analysis showed that emL. barbarum/em was significantly higher than emL. chinense/em. The results of taste pattern analysis between emL. barbarum/em and emL. chinense/em showed a significant difference in almost every taste. In contrast, sweetness of emL. barbarum/em was higher than emL. chinense/em. When clustering with sweetness and bitterness, the two species are distinctly separated. In conclusion, these taste patterns, %Brix, betaine, and saccharide composition analysis could be applied to the establishment of herbal medicine marker for identification of different species in various regions.
机译:枸杞被用作具有治疗性质的天然产物已有很长时间。甜菜碱是一种天然氨基酸,是枸杞的主要成分之一。据报道,这种水果在降低血液中高半胱氨酸的水平上起作用,高半胱氨酸是氨基酸代谢的有毒副产物。本研究通过分析枸杞子的口味,甜菜碱含量,%白利糖度和理化特性之间的相关性,建立了一种基于东方医学的基础知识。为了研究甜菜碱,使用HPLC分离系统进行了定量分析。另外,估计了白利糖度和糖。使用配备有六个口味传感器(包括新开发的甜味传感器)的口味感测系统SA402B测量了口味模式分析。甜菜碱的定量分析表明, L。野蛮人 0.64± 0.15%(n = 6)显着高于 L。 chinense 0.55± 0.1%(n = 12)。并用枸杞的%Brix和糖类成分分析表明, L。野蛮明显高于 L。中国。 L之间的味道模式分析结果。野蛮 L。 chinense 几乎在每种口味上都表现出显着差异。相反, L的甜度。野蛮高于 L。中国。当带着甜味和苦味聚在一起时,这两个物种是明显分开的。总之,这些味觉模式,白利糖度,甜菜碱和糖类成分分析可用于建立草药标记物,以鉴定不同地区的不同物种。

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