scholarly journals Comparative Analysis of Major Flavonoids among Parts of Lactuca indica during Different Growth Periods

Molecules ◽  
2021 ◽  
Vol 26 (24) ◽  
pp. 7445
Author(s):  
Junfeng Hao ◽  
Yuyu Li ◽  
Yushan Jia ◽  
Zhijun Wang ◽  
Rong Rong ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Dynamic Change ◽  
Optimal Time ◽  
Total Flavonoids ◽  
Flowering Period ◽  
Total Flavonoids Content ◽  
Development And Utilization ◽  
Different Parts

L. indica L. cv. Mengzao, a medicinal plant of the Ixeris genus, is rich in flavonoids. In order to thoroughly analyze the the distribution and dynamic change of major flavonoids in its various parts from different growth periods, the flavonoids extracted from L. indica L. cv. Mengzao were identified and quantitatively analyzed by ultra-high-performance liquid chromatography mass spectrometer (LC-MS/MS). Results indicated that 15 flavonoids were identified from L. indica L. cv. Mengzao, and rutin, luteolin, luteolin-7-O-glucoside, kaempferol, quercetin, and apigenin are the major flavonoids in L. indica L. cv. Mengzao. In general, the total flavonoids’ content in different parts of L. indica L. cv. Mengzao followed the order flowers > leaves > stems > roots. Flowers and leaves are the main harvesting parts of L. indica L. cv. Mengzao, and the flowering period is the most suitable harvesting period. This study provides valuable information for the development and utilization of L. indica L. cv. Mengzao and determined the best part to harvest and the optimal time for harvesting.

scholarly journals Stinging Nettle (Urtica simensis) as Potential Resource of Vitamin E

2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 1815-1815
Author(s):  
Tibebeselassie Keflie
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Vitamin E ◽  
High Performance ◽  
Wild Plant ◽  
Stinging Nettle ◽  
Funding Sources ◽  
Potential Resource ◽  
Central Highlands ◽  
Different Parts

Abstract Objectives The aim of the current study was to assay the content of vitamin E in stinging nettle (Urtica simensis) Methods Urtica simensis type of stinging nettle is an indigenous wild plant which is widely growing in different parts of Ethiopia. Samples of leaves were collected from Chacha, one of the central highlands in Ethiopia and portioned into sun dried, shade dried and lyophilized groups. For comparison, samples of leaves were also taken from spinach. Vitamin E family such as tocopherols ((α, β, γ, and λ) and tocotrienols (α, β, γ, and λ) were determined using high performance liquid chromatography (HPLC) at department of Food Biofunctionality, University of Hohenheim, Stuttgart, Germany. Results The results showed that the total tocols of stinging nettle in sun-dried, shade dried, and lyophilized groups were 14.1 ± 1.1 mg, 13.8 ± 1.1 mg and 16.9 ± 1.2 mg per 100 g, respectively. In spinach, this value was 3.04 ± 0.7 mg/100 g. Of all vitamin E family, α- tocopherol was the maximum and identified in shade dried group (16.5 ± 1.2 mg/100 g). As compared to stinging nettle, spinach contained very small amount of α- tocopherol (1.7 ± 0.5 mg/100 g). Conclusions In conclusion, Urtica simensis type of stinging nettle contains considerable amount of tocols and can serve as potential resource of vitamin E. Further research is warranted on the nutritional and medicinal values of Urtica simensis stinging nettle. Funding Sources None.

Determination of purine contents in different parts of pork and beef by high performance liquid chromatography

2015 ◽  
Vol 170 ◽  
pp. 303-307 ◽  
Author(s):  
Shengzhong Rong ◽  
Lina Zou ◽  
Yannan Zhang ◽  
Guangteng Zhang ◽  
Xiaoxia Li ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
High Performance ◽  
Different Parts
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