The use of yam peel for growth of locally isolated Aspergillus niger and amylase production

Purification and characterization of a novel alkali-stable α-amylase from Chryseobacterium taeanense TKU001, and application in antioxidant and prebiotic

“…The flours of different grains such as wheat, barley and rice can be used in the fermentation medium to increase the productivity of amylase by the bacterium [23,27]. Several substances have also been indicated in the literatures as suitable carbon sources for amylase-producing microorganisms; they were yam peel [13], potato [6], cassava peel [4,10], starch [14], or rice [2]. In this study, it was found that mung bean was more suitable as the sole carbon/nitrogen source for the production of TKU001 amylase.…”

“…3). Most amylases known today were active at acidic or neutral pHs [3,7,9,[12][13][14]28,29]. However, alkaline-tolerant amylases have also been characterized recently [11,30].…”

“…Therefore, screening of amylase producing microorganisms could facilitate the discovery of novel amylases for different purposes. Many species of microorganisms are known to produce amylase [2][3][4][5][6][7][8][9][10][11][12][13][14]. These amylases are used in a variety of industrial processes which require efficient saccharification of raw starch.…”

Effect of the medium composition on formation of amylase by Bacillus sp

“…Bacterial ∝-amylases have several applications in the food industry and are potentially useful in the pharmaceutical and fine chemical industries if enzymes with suitable properties can be found (Roychoudhury et al, 1975;Hewitt and Solomons, Hillier et al, 1996;Abou-Zeid, 1997;Igarashi et al, 1998;Lin et al, 1998). The starch processing industry requires the use of amylolytic enzymes at high temperatures (Uguru et al, 1997;Bolton et al, 1997). Thermophilic organisms are therefore of special interest as a source of novel thermostable enzymes (Chandra et al, 1980;McMahon et al, 1997;McMahon et al, 1999).…”

Sweet Potato Starch as a Carbon Source for Growth and Glucoamylase Production from <i>Aspergillus niger</i>

“…The observed maximum activities coincided with 48 h of incubation (Figure 1) which corresponded to the organisms early stationary phase. Sani et al [9] and Uguru et al [10] observed highest amylase activity in Aspergillus sp. grown on starches from cassava peel and yam peel at the late and early stationary phase respectively.…”