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Joint Study on The Utilization of Biological Resources

生物资源利用联合研究

基本信息

批准号：
05045039
负责人：
KAKO Shunji
金额：
$ 3.84万
依托单位：
FACULTY OF AGRICULTURE,YAMAGUCHI UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for international Scientific Research
财政年份：
1993
资助国家：
日本
起止时间：
1993 至 1995
项目状态：
已结题

项目摘要

Cooperative studies between Yamaguchi and kasetsart universities, on the detection and utilization of biological resources in Thailand, especially in the fields of horticulture, microbiology, food chemistry and soil organic science were conducted from 1993 to 1995.Distribution of Curcuma species and other zingibers was surveyed in central, western and southeastern areas in Thailand and about 300 plants were conserved in the nurseries of Kasetsart University. Vanda and its group in Thailand, valuable as pot flowers, were almost lost in the wild state and thus 24 kinds of species and 30 plants of the hybrids were collected from commercial nurseries and were found possible to cultivate in Japan, after observations of their growth and flwering behaviors. Propagation by sawing immature seeds of endangered Thailand orchids, especially Paphiopedilum and Vanda coerulea, resulted to improve percent success.Both emulsifying property and emlusion stabillity of the protein, which was obtained from the Thailand soybeans and treated to conjugation with galactomannan under the conditions of 60ﾟC and 65% relative humidity, were found 2.5 and 7 times higher respectively, than those of soy protein proper and these characteristics are useful for heat-processing foods as a protein emulsifier.Addition of any kind of tropical plants in soil is favorable for the increase of microbial biomass. Azolla was proved effective for N abailability and rice straw was useful for longterm fertility level of tropical soil although both plants were equally efficient in biomass formation.Thermotolerant acetic acid bacteria, collected in Thailand and also having a property to grow at 37-40ﾟC,were able to divide into several groups according to their phenotypic characteristics. Some of them revealed to be useful for vinegar fermentation at high temperature and some other strains were found useful as sources for alcohol and aldehyde dehydrogenases for off-favor elimination from food materials.

1993 ~ 1995年，山口大学与泰国Kasetsart大学合作开展了泰国生物资源的调查与利用研究，特别是在园艺学、微生物学、食品化学和土壤有机科学等领域。在泰国西部和东南部地区，大约有300种植物被保存在泰国农业大学的苗圃里。由于泰国万代兰及其属植物在野生状态下几乎绝迹，因此从商业苗圃中收集了24种30株万代兰的杂种，通过观察其生长和开花特性，发现它们在日本有栽培的可能。通过锯割濒危泰国兰花尤其是兜兰和蓝色万代兰的未成熟种子进行繁殖，结果表明，在60 ℃和65%相对湿度条件下，从泰国大豆中获得的蛋白质与半乳甘露聚糖结合后，其乳化性和乳化稳定性分别提高了2.5倍和7倍，这些特性可作为蛋白质乳化剂应用于热加工食品中。在土壤中添加任何热带植物都有利于微生物生物量的增加。红萍被证明是有效的N abailability和稻草是有用的热带土壤的长期肥力水平，虽然这两种植物是同样有效的生物量形成.耐热醋酸细菌，收集在泰国，也有属性，生长在37-40 ° C，能够分为几个组根据其表型特征。其中一些菌株被发现在高温下用于醋发酵，而另一些菌株被发现可作为用于从食品材料中去除不利成分的乙醇和乙醛脱氢酶的来源。