Testing procedures for galactomannan purification

Evaluation of Caesalpinia pulcherrima endospermic gum as affinity matrices for galactose-binding lectins interaction

“…The EG spectrum showed bands similar to standard galactomannans. The result agreed with those reported by Andrade et al (1999) and Azero and Andrade (2002). The spectra of the purified and cross-linked gum showed differences in the bands in some spectral regions.…”

“…The approximate chemical composition is shown in Table 2. The gum purification was obtained similar as by Azero and Andrade (2002) who obtained 99% of galactomannans. The EG purification with ethanol reduced to 45% the protein content.…”

Adenanthera pavonina galactomannan for controlled delivery of rutin – a preliminary study

“…This value is similar to the galactomannan yields reported in the literature obtained from A. pavonina (17.1 wt.%) in work by Cerqueira et al 23 and other seeds such as Caesalpinia pulcherrima (25 wt.%), 24 Gleditsia triacanthos (15.4 wt.%), 25 Gleditsia ferox (18.9 wt.%) 26 and Prosopis juliflora (10-14 wt.% and 16 wt.%). 14,27 We are looking for substitutes for the commercial gums mentioned using plants that can produce these polysaccharides locally. Even with lower yields it would still be easier and cheaper to use them than to use commercial gums.…”

Pharmaceutical use of galactomannans

“…In Latin America, the number of known sources of galactomannans is small, despite the rich biodiversity of the local flora and the favorable climate for their production. [31][32][33][34][35][36][37][38][39][40][41][42][43][44] In 2008, Brazil imported approximately US$ 142,000 of total polysaccharides but exported only U$ 68,000. Guar imports represented US$ 18,000 over the five-year period of 1993-2007 and around 10,000 tons, at a price of U$ 1.9/kg.…”

“…45 Over the last few decades, many reports have appeared on the composition and physiochemical properties of galactomannans from different plant sources. 6,33,[36][37][38][40][41][42][43][44][46][47][48][49][50][51][52][53][54][55][56][57][58][59] However, only guar, locust bean, tara and cassia gum are manufactured on a large scale, and these are being extensively investigated by various researchers. 5,11,12,19,21,[60][61][62][63][64][65][66] Srivastava and Kapoor 6 described, in their overview of galactomannans, chemical screening of more than 300 Indian species of water-soluble gums.…”