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Articles by W. Kongbuntad
Total Records ( 2 ) for W. Kongbuntad
  T. Srikhun , W. Aengwanich and W. Kongbuntad
  The purpose of this experiment was to investigate the effects of polyphenols extracted from tamarind (Tamarindus indica L.) seed coat on total body weight, white blood cells, bursa of Fabricius and NDV-HI titer of broilers maintained in high environmental temperature. The broilers under study were divided into two main groups. Those in the first group were maintained at 26"2oC and the second group at 38"2oC. The broilers in the second group were subdivided into six sub-groups, each of which received polyphenols at 0, 100, 200, 300, 400 and 500 mg/kg in their diets. The results revealed that the body weights of the broilers in all groups were not different. The total white blood cell counts and lymphocyte counts of the broilers in all sub-groups of the second group were higher than that of the broilers in the first group (p<0.05). On day 21 of the experimental period, the total number of white blood cells and lymphocytes of the broilers in the first group was not different from those of the broilers in the first, second, fifth and sixth sub-groups of the second group (p>0.05). The relative bursa of Fabricius weight of the broilers in the first group and the third sub-group of the second group were not different (p>0.05). Furthermore, lesion scores of the bursa of Fabricius of the first group and the third and fourth sub-groups of the second group were not different (p>0.05). Moreover, NDV-HI titer of the broilers in the first group and all sub-groups of the second group were not also different (p>0.05). These phenomena indicated that polyphenols could increase the number of lymphocytes and relative bursa of Fabricius weight. On the other hand, the extract could decrease lesion scores of bursa of Fabricius in heat stressed broilers.
  W. Kongbuntad and S. Saenphet
  This study researched the effects of red rice produced from San-Pah-Tong sticky rice (Oryzae sativa Niew San-pah-tawng) and Monascus purpureus (Specie CMU002U). The study was divided into two parts. The first part consisted of a phytochemistry test and tests to determine ascorbic acid and phenolics. Terpenoids, triterpenoids, flavonoids, phenols, phlobatannins and coumarins were found. Phenolic and ascorbic acid levels were 3.00 μg ascorbic acid equivalent/g extract and 1.89 mg Gallic acid equivalent/g extract, respectively. The second part was an experiment using 75 Japanese quails in egg stage randomly divided into four groups as follows: the control group and groups in which each quail was fed with 6, 12 and 24 mg. red rice powder in capsules per day, respectively for 8 weeks. The Manlondialdehyde (MDA) from the serum and liver was then checked. It was found that the serum of the group which received 24 mg a day had reduced levels of MDA in the serum and liver. Compared with the control group, the difference was statistically significant at (p<0.05). After evaluation of body weight, consumption and survival rate of eggs in each group, no difference was found in body weight, but the control group consumed significantly more food than the others (p<0.05). Meanwhile, the group which received 12 mg a day produced significantly more eggs than the control group (p<0.05). Therefore, the antioxidants in red rice can reduce the amount of MDA in the serum and liver of Japanese quails. The fermentation of red rice can affect growth and production and it might be effective to decrease the toxicity of substances in Japanese quail.
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