scholarly journals Improvement of viscous substance production during Cheonggukjang fermentation added with glycine

2020 ◽  
Vol 29 (7) ◽  
pp. 953-959
Author(s):  
Ha Gyoon Na ◽  
Min-Ah Kim ◽  
Ji Woo Shin ◽  
Yun Ju Cha ◽  
Beom Soon Park ◽  
...  
Keyword(s):  
Author(s):  
Dong Sun Shin ◽  
In Duck Choi ◽  
Seuk Ki Lee ◽  
Ji Young Park ◽  
Nam Geol Kim ◽  
...  

The enzymatic activity (EA) and amino-type nitrogen (ATN), viscous substance (VS), organic acid (OA), free amino acid (FAA), and volatile compound (VC) content in fermented soybeans of six cultivars (Glycine max L. ‘Taekwangkong’ [TKK], ‘Daechankong’ [DCK], ‘Misokong’ [MSK], ‘Seonpungkong’ [SPK], ‘Uramkong’ [URK], and ‘Chamolkong’ [COK]) were compared. Fermentation increased the quality indices such as EA, ATN and VS in soybean, and their highest content were observed in DCK. The content of major OAs decreased in the following order: lactic acid > acetic acid > fumaric acid. The essential amino acid (EAA) content was increased by fermentation, and FAA production had a positive effect on the abundance of the fermentation metabolites ã-amino-n-butyric acid and ornithine. The content of the VS pyrazine differed with cultivar. Overall, soybean cultivars showed differences in the composition and fermentation properties, with raw DCK soybeans being particularly suitable for fermentation.


The paper presents the experimental studies of coal-water fuel viscosity and suspensions with addition of small amount of various liquid combustible components (isopropyl alcohol, liquid wastes of rubber products processing, and used engine oil) performed. The results show that a liquid combustible component introduced into the suspension causes an increase in the viscosity of the fuel, since the viscosity of the considered liquid combustible components is higher than the viscosity of water. It has been established that the viscosity of slurry fuels based on 3B, D, and T grade coals increases with the increase in the combustible components concentration in the liquid, as less viscous water is replaced by a more viscous substance. Slurry fuel based on 3B grade coal has been determined to have the highest viscosity among the three studied grades, while the slurry fuel based on T grade coal has the smallest viscosity. It has been established that coal-water fuels with addition of a small amount of various liquid combustible components can be used for combustion in boiler units furnaces, since their viscosity and fluidity remain within acceptable limits.


2021 ◽  
Vol 4 (6) ◽  
pp. 28084-28092
Author(s):  
Alexandre Piccinini ◽  
Matheus Henrique Oliveira De Sousa ◽  
Robelli Cassia Santos Do Amaral ◽  
Marta dos Santos Diniz Freitas ◽  
Carlos Roberto de Menezes Peixoto ◽  
...  

Propolis is a viscous substance produced and collected from plant shoots or exudates by worker bees. This study aimed to identify phenolic compounds, carotenoids, volatile compounds, and antiradical activity of propolis obtained from two stingless bees (SB), Scaptotrigona bipunctata (Tubuna) and Scaptotrigona depilis (Canudo), all native from Rio Grande do Sul. The two propolis showed a similar qualitative composition, but with quantitative differences. Catechin was the major phenolic compound found in propolis from S. bipuncata and S. depilis. The propolis from S. depilis showed a higher concentration of carotenoids, mainly lutein. The α-pinene was the volatile compound found in greater concentration in the two propolis. 


1890 ◽  
Vol s2-30 (120) ◽  
pp. 421-479
Author(s):  
FRANK E. BEDDARD

The more important new facts contained in the present paper are the following: (1) Description of Acanthodrilus antarcticus, A. Rosæ, A. Dalei, nn. spp. (2) The ciliation of the spermathecal appendix iu A. Rosæ. (3) The presence in Eudrilus of two pairs of ovaries, connected by oviducts with a single aperture on each side; the oviducts are continuous with the ovaries. (4) The description of Perichæta intermedia, n. sp., which differs from most species of Perichseta in having a single pair of nephridia in each segment, and in having a tubular atrium like that of Acanthodrilus. (5) The presence of functional egg-sacs in the same species, in which the ova undergo their development surrounded by a follicular epithelium and with a mass of germinal cells attached to one pole, as in certain "Limicolæ," &c. (6) The presence of a peripheral nerve plexus in Perichæta, specially developed in the neighbourhood of the setæ. (7) The presence of a subintestinal blood-vessel in Acanthodrilus. (8) The presence of a subneural blood-vessel in Perichæta. (9) Description of the minute structure of the spermathecæ and the spermathecal appendices in Perichæta and Acanthodrilus; spermatozoa are only found in the appendices, the epithelium of which has largely undergone degeneration into a viscous substance, in which the spermatozoa are embedded. (10) Description of some epidermic glands in Perichæta, which are possibly equivalent to the capsulogenous glands of Lumbricus. (11) Description of certain organs in Perichæta and Acan-thodrilus which probably correspond to the "pericardial glands" of Lumbriculus. These consist of anetwork of capillaries with numerous spherical dilations crowded with cells; the whole network forms a compact series of organs clothed with chloragogen cells; they are found in the anterior segments only, and exhibit a more or less perfectly metameric arrangement. (12) Description of a series of paired sacs attached to the septa of Acanthodrilus georgianus, which appear to be special glycogenic organs.


Author(s):  
Miguel Tinker Salas

When was oil discovered? Petroleum and natural gas seeps, produced by fissures in the earth, dot the landscape in various regions of eastern and western Venezuela. The indigenous people labeled these occurrences menes, and they used the viscous substance to weatherproof structures,...


Sign in / Sign up

Export Citation Format

Share Document