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and in the retro peritoneal WAT, the Ki (min } Optimization of cultural condition for the
values were 3.1 ± 0.62 and 4.0 ± 0.17 for leptin- production of Glucoamylase by Rhizopus sp. in
treated and control rats respectively.Injection of solid state fermentation. Bang. J. Life Sci., 2008,
-1
leptin into the VMH produced the Ki (min ) value 20 (1), 37-44.
in BAT was 4.6 ± 0.49 and that of the control was
3.6 ±0.19. After surgical denervalion of BAT, the Solid state fermentation was carried out with 20
1
Ki (min ) value was 4.6 ± 0.34 and 3.5 ± 0.48 for isolates of Rhizopus sp. to optimize the condition
leptin-trcated and control rats respectively. No for producing maximum glucoamylase activity.
significant changes in the Ki values (P<0.l) among The solid medium contains rice husk and wheat
the leptin-treated and control rats were observed in bran as substratc. Among 20 isolates Rhizopus sp.
the heart, spleen, WAT and BAT suggesting that RM was found as effective enzyme producer in
leptin stimulation on glucose uptake is partly solid state fermentation. Glucoamylase activity
dependent on the appropriate physiological was observed for seven days incubation in flask
condition of the rats. culture. The maximum glucoamylase activity
1552.06 U/g was found after six days of
102 KHATUN, R.; ISLAM, M.N.; inoculation using 10% potato starch and 70%
BHUIYAN, A.A. & AZMAL, S.A. (Poultry moisture contain. 0.4% urea was found better
Production Research Division, Bangladesh nitrogen source for glucoamylase activity. It is also
Livestock Research Institute, Savar, Dhaka). Effect observed that glucoamylase activity was higher in
of enzyme on growth performance and carcass bigger flask than the smaller one. The optimum
quality of broiler. Bang. J. Life Sci., 2008, 20 (1), temperature for maximum glucoamylase activity
75-81. was found to be 40°C.
The experiment was conducted to study the effect 581 : BOTANY : PLANT BIOLOGY
of enzyme on growth performance and carcass
quality of broilers and to assess the economic 104 AREMU, M.O.; OLONISAKIN, A.;
feasibility of enzyme based diet. A total of 192 ATOLAYE, B.O. & OGBU, C.F. (Dept. of
straight run day old chicks were reared with 4 Chemistry, Nasarawa State University, Nigeria).
dietary treatments (T 0: control, T 1: containing Some Nutritional Composition and Functional
phytase, T 2: containing kemzyme, and T 3 Properties of Prosopis Afracana. Bang. J. Sci. Ind.
containing phytase ami kemzyme) for a period of Res., 2007, 42 (3), 269-280.
42 days.The study revealed that the growth
performance, carcass quality (Dressing yield, The nutritional composition and functional
Breast meat, Wing meat and Tibia weight), feed properties of Prosopis is Africana were studied
conversion ratio and profit of each kg broiler using standard analytical techniques. The results
production was significantly (P>0.01) higher in gave proximate composition as follows: moisture,
phytase and kemzyme containing diet compared to total ash, ether extract, crude protein, crude fibre
others. Even the diet had positive effects on and carbohydrate were 1.9, 4.4, 12.8, 23.6, 3.3 and
dressing yield, breast meat, shank weight, thigh 54.0g% respectively. The predominant mineral
meat, wing meat and tibia weight. Thus, it may be was K (6l7.5mg/100g sample) followed in the
concluded that the enzyme either alone or in highest rank by Mg (420.1 mg/10mg sample).
combination with phytase could improve the Other minerals such as Na, Ca, P, Mn, Cu, Zn, Fe
growth performance and carcass quality of broiler. and Cr were 110.7, 362.5, 196.4, 36.2, 46.2, 22.4,
15.5 and O.2mg/I00g sample respectively while Cd
103 NAHAR, S.; HOSSAIN, F.; HALIM, and Pb were not detected. Amino acid analysis
M.A. (Plant Physiology and Biochemistry revealed that the sample contained nutritionally
Laboratory, Dept. of Botany, Jahangirnagar useful quantities of most of the essential amino
University, Savar, Dhaka) & FEROZA, B. acids. The first limiting amino acid was Thr and
(Industrial Microbilogy Section, Institute of Food predicted isoelectric point was 5.4. Functional
Science and Technology, BCSIR, Dhaka). properties results were: foaming capacity, 3.9 %,
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