Safety assessment of genetically engineered potatoes with designed soybean glycinin: compositional analyses of the potato tubers and digestibility of the newly expressed protein in transgenic potatoes
The compositions of transgenic potatoes with intact and modified genes for soybean glycinin were compared with those of control potatoes; non‐transgenic or transgenic ones with a vector. The expression levels of glycinin proteins in the transgenic potato tubers were approximately 12–31 mg g−1‐total...
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| Veröffentlicht in: | Journal of the science of food and agriculture 1999-09, Vol.79 (12), p.1607-1612 |
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| container_title | Journal of the science of food and agriculture |
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| creator | Hashimoto, Wataru Momma, Keiko Katsube, Tomoyuki Ohkawa, Yasunobu Ishige, Teruo Kito, Makoto Utsumi, Shigeru Murata, Kousaku |
| description | The compositions of transgenic potatoes with intact and modified genes for soybean glycinin were compared with those of control potatoes; non‐transgenic or transgenic ones with a vector. The expression levels of glycinin proteins in the transgenic potato tubers were approximately 12–31 mg g−1‐total soluble protein. With reference to six major components, moisture, protein, lipid, fiber, ash and carbohydrate, there were no significant differences between transgenic and control potatoes. The levels of glycoalkaloids in transgenic potato tubers, as well as in transgenic controls, increased in comparison with those in non‐transgenic ones, though the level was within the permitted limit. The modified glycinin expressed in the transgenic potato tuber was digested under the simulated gastric conditions. From these results, the transgenic potatoes with intact and modified glycinin genes are considered to be as safety utilization for food as non‐transgenic potatoes.
© 1999 Society of Chemical Industry |
| doi_str_mv | 10.1002/(SICI)1097-0010(199909)79:12<1607::AID-JSFA408>3.0.CO;2-T |
| format | Article |
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© 1999 Society of Chemical Industry</description><subject>Biological and medical sciences</subject><subject>composition analysis</subject><subject>digestibility</subject><subject>Food industries</subject><subject>food safety</subject><subject>Fruit and vegetable industries</subject><subject>Fundamental and applied biological sciences. 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Sci. Food Agric</addtitle><date>1999-09</date><risdate>1999</risdate><volume>79</volume><issue>12</issue><spage>1607</spage><epage>1612</epage><pages>1607-1612</pages><issn>0022-5142</issn><eissn>1097-0010</eissn><coden>JSFAAE</coden><abstract>The compositions of transgenic potatoes with intact and modified genes for soybean glycinin were compared with those of control potatoes; non‐transgenic or transgenic ones with a vector. The expression levels of glycinin proteins in the transgenic potato tubers were approximately 12–31 mg g−1‐total soluble protein. With reference to six major components, moisture, protein, lipid, fiber, ash and carbohydrate, there were no significant differences between transgenic and control potatoes. The levels of glycoalkaloids in transgenic potato tubers, as well as in transgenic controls, increased in comparison with those in non‐transgenic ones, though the level was within the permitted limit. The modified glycinin expressed in the transgenic potato tuber was digested under the simulated gastric conditions. From these results, the transgenic potatoes with intact and modified glycinin genes are considered to be as safety utilization for food as non‐transgenic potatoes.
© 1999 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/(SICI)1097-0010(199909)79:12<1607::AID-JSFA408>3.0.CO;2-T</doi><tpages>6</tpages></addata></record> |
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| issn | 0022-5142 1097-0010 |
| language | eng |
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| source | Periodicals Index Online; Wiley Online Library All Journals |
| subjects | Biological and medical sciences composition analysis digestibility Food industries food safety Fruit and vegetable industries Fundamental and applied biological sciences. Psychology General aspects genetically engineered potato Hygiene and safety soybean glycinin |
| title | Safety assessment of genetically engineered potatoes with designed soybean glycinin: compositional analyses of the potato tubers and digestibility of the newly expressed protein in transgenic potatoes |
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