Antioxidant activity and chemical composition of Colombian propolis.

Abstract

This chapter reviews the physical, chemical and biological characterization of propolis from Colombia. The botanical origin and chemical profile of propolis from South America and Colombia are described. The total phenolic content, total flavonoid content and antioxidant activity of propolis are discussed.

Isolation of Carbazole Alkaloids and Coumarins from Aegle marmelos and Murraya koenigii and Their Antioxidant Properties

“…Different composition of constituents contributed to different activity of an extract. The studies on the bioactivity of propolis by Pereira et al stated that the biological activities of the propolis are strongly related to their chemical constituents (Gil-González et al 2013).…”

Botanical Origins and Antioxidant Activities of Two Types of Flavonoid-Rich Poplar-Type Propolis

“…Consequently, we speculate that the plant origins of Chinese propolis can be traced back to Populus nigra L. (a hybrid poplar). Several Populus species worldwide have been identified as sources of popular propolis, including Populus suaveolens [ 17 ], Populus italica [ 18 ], Populus tremuloides [ 19 ], Populus nigra L. [ 8 ], Populus alba [ 20 ], Populus pyramidalis [ 21 ], and Populus fremontii . Among these, Populus italica , Populus nigra L., and Populus fremontii [ 22 ] belong to the Aigeiros Duby section, while Populus alba , Populus fremontii , and Populus pyramidalis are included in the Leuce Duby section, and Populus suaveolens is part of the Tacamahaca Spach section.…”

“…The following were purchased from Sigma-Aldrich Co. (St. Louis, MO, USA): 3,4-Dihydroxybenzylaldehyde (1), caffeic acid (2), vanillin (3), p-coumaric acid (4), ferulic acid (5), isoferulic acid (6), benzoic acid (7), 3, 4-dimethoxy cinnamic acid (8), cinnamic acid (9), 4-methoxy cinnamic acid (10), quercetin (13), alpinetin (14), kaempferol (15), apigenin (17), isorhamnetin (18), pinocembrin (19), benzyl caffeate (20), chrysin (22), phenethyl caffeate (23), galangin (24), benzyl p-coumarate (25), benzyl ferulate (26), pinostrobin (28), tectochrysin (29), cinnamyl cinnamate (31), trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2carboxylic acid), randomly methylated β-cyclodextrin (RMCD), fluorescein and 2,2 -Azobis-(2-amidinopropane) dihydrochloride (AAPH), luminol, pyrogallol, sodium bicarbonate, and sodium carbonate. Cinnamylideactic acid (16) was purchased from Funakoshi Chemical Co. (Tokyo, Japan), while 5-Methoxy pinobanksin (11), pinobanksin (12), pinobanksin-3-acetate (21), cinnamyl caffeate (27), cinnamyl p-cinnamate (30), and 4-methoxycinnamyl cinnamate (32) were collected by preparative HPLC.…”