Results 31 to 40 of about 7,131,586 (306)

Study on extraction of total flavonoids from Galinsoga parviflora Cav. using alcohol-ammonium sulfate two-phase aqueous and antioxidant activity of total flavonoids extract

Siliao yanjiu, 2022
In the experiment, total flavonoids of achyranthes bidentata were extracted with ethanol-ammonium sulfate aqueous two-phase system as solvent. The effect of extraction conditions on yield of total flavonoids and the antioxidant activity of total ...
Hui YANG, Zhi-bao WANG
doaj  

Comparative Evaluation of the Content of Antioxidant Polyphenolic Compounds in Selected Bulgarian Medicinal Plants

Acta Medica Bulgarica, 2022
Polyphenols are strong antioxidants of plant origin that exhibit protective role against the development of several chronic degenerative diseases. Quantitative data on the content of polyphenolic antioxidants in Bulgarian medicinal plants are sporadic ...
Tsanova-Savova S., Velikov S., Paneva S., Koleva P., Nikolchova P., Etugov D., Savova Z.   +6 more
doaj   +1 more source

Optimization of Flavonoid Extraction from Salix babylonica L. Buds, and the Antioxidant and Antibacterial Activities of the Extract

Molecules, 2022
The present study was designed to evaluate the chemical extraction, chemical composition, and antioxidant and antibacterial properties of the total flavonoids in Willow Buds (TFW).
Peng Zhang, Yuwen Song, Hongling Wang, Yujie Fu, Yingying Zhang, Korotkova Irina Pavlovna   +5 more
doaj   +1 more source

Egger’s Publication Bias Plot for total flavonoids.

, 2016
Egger’s Publication Bias Plot for total flavonoids.
Dongsheng Chen (12321), Lixiu Yu (2558290), Lili Yu (149552), Jing Liao (193197), Ruxu You (2558287), Yu Yang (83671), Xiaoli Hua (2558284)   +6 more
core   +1 more source

Total flavonoids and total phenol content and their antioxidant activities of fern Adiantum flabellulatum

上海师范大学学报. 自然科学版, 2017
The contents of total flavonoids and total phenol of fern Adiantum flabellulatum L. were determined. The DPPH and ABTS free radical scavenging activities and Fe reduction force were determined and analyzed as well.
Zhang Xin, Wang Mengying, Li Yichen, Cao Jianguo, Dai Xiling   +4 more
doaj   +1 more source

Ultrasonically Assisted Extraction of Total Phenols and Flavonoids from

Natural Product Communications, 2009
This work deals with ultrasonically assisted extraction (UAE) of biologically active compounds from rhizomes of Rhodiola rosea , a popular medicinal plant.
Jordanka Staneva, Milka Todorova, Neyko Neykov, Ljuba Evstatieva   +3 more
doaj   +1 more source

Quantitative Analysis of Total Phenolic and Flavonoid Contents from Stachys mouretii Leaf Extracts

Chemistry Proceedings, 2021
Stachys mouretii leaf extracts were analyzed for total phenolic and flavonoid contents. These components are responsible for antioxidant activity. The plant material was collected in April 2018 at the forest of Talasemtane in the region of Ouazzane ...
Abdelmoughite Ouakil, Soumaya El Ismaili, Ouafaa El Mahdi, Amal Maurady, Brahim El Bali, Mohammed Lachkar   +5 more
doaj   +1 more source

Regulation of Cbfa1 Expression by Total Flavonoids of Herba Epimedii

Endocrine Journal, 2006
Core binding factor alpha1 (Cbfa1) is a member of the runt family of transcription factors, which appears to play a pivotal role in regulating the differentiation of osteoblastic precursors and the activity of mature osteoblasts. Total flavonoids of Herba epimedii (HEF) is a recognized bone anabolic agent, but there is lack of reports on the modulation
QIAN, Guofeng, ZHANG, Xiuzhen, LU, Lixia, WU, Xinjiang, LI, Shumei, MENG, Jian   +5 more
openaire   +3 more sources

Effect of SA on the total phenol and flavonoids content.

, 2015
(a) Total phenols; (b) Total flavonoids. The total phenol and flavonoid levels were increased in the 2mM SA treated fruit when compared to the control fruit (unpaired t test, t = 7.38, df = 4, P = 0.0009 [phenols], t = 24.92, df = 4, P = 0.0001 ...
Ravindra Mahadappa Aurade (513353), Kamala Jayanthi Pagadala Damodaram (513351), Vivek Kempraj (513352), Tapas Kumar Roy (802017), Abraham Verghese (513356), Kodthalu Seetharamaiah Shivashankara (802018)   +5 more
core   +1 more source

Evaluation of Total Flavonoid, Total Phenolic Contents, and Antioxidant Activity of Strychnobiflavone

Indonesian Journal of Chemistry, 2020
This work evaluates the antioxidant activity of strychnobiflavone due to the increasing demand of the antioxidant agents day by day. Various in vitro antioxidants assays such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) were used to investigate the antioxidant activity of strychnobiflavone ...
Ullah, Sana, Hyun, Chang-Gu
openaire   +4 more sources