000K utf8 1100 $c2021 1500 eng 2050 urn:nbn:de:gbv:8:3-2022-00254-9 2051 10.3390/plants10061156 3000 Berwal, Mukesh K 3010 Gora, Jagan S 3010 Haldhar, Shravan M 3010 Kumar, Manoj 3010 Kumar, Ramesh 3010 Mekhemar, Mohamed 3010 Ram, Chet 3010 Samadia, Dilip K 3010 Shil, Sandip 3010 Singh, Dhurendra 4000 Calligonum polygonoides L. as Novel Source of Bioactive Compounds in Hot Arid Regions: Evaluation of Phytochemical Composition and Antioxidant Activity [Berwal, Mukesh K] 4209 Calligonum polygonoides L. (Phog) is an endemic perennial herb that is highly resistant to all type of abiotic stresses and dominant biomass as well as phytochemicals producer in its natural habitat of the "Thar Desert" of Rajasthan, India. The present study was conducted to evaluate the effect of extreme environmental conditions on the phenolic, flavonoids, tannin content, and total antioxidant activities of C. polygonoides foliage harvested during different months. It exhibited a significant variation in the content of phenolic compounds, flavonoids, tannins, and antioxidant activity with harvesting time and all parameters are positively correlated to each other. The highest phenolic compounds and antioxidant activity was observed during severe winter and summer months, when monthly average environmental temperature was lowest and highest of the year, respectively. On the basis of the results, two harvests of C. polygonoides foliage during June and December are advised to maximize the phenolic compound production with highest antioxidant activity. These results demonstrate C. polygonoides, which is a dominant biomass producer under the harsh climatic conditions, can be an important source for the development of the functional foods rich in antioxidants in hot arid regions. 4950 https://doi.org/10.3390/plants10061156$xR$3Volltext$534 4950 https://nbn-resolving.org/urn:nbn:de:gbv:8:3-2022-00254-9$xR$3Volltext$534 4961 https://macau.uni-kiel.de/receive/macau_mods_00002665 5051 610 5550 Antioxidant activity 5550 Calligonum Polygonoids 5550 Seasonal variation 5550 Total Phenolic Content