{"title":"过滤婴儿食品中的游离叶酸和总叶酸活性","authors":"K. Hoppner","doi":"10.1016/S0008-3860(71)74168-3","DOIUrl":null,"url":null,"abstract":"<div><p>Samples of 40 strained baby foods were obtained on the Canadian market and assayed microbiologically for “free” and “total” folate activity using <strong>L. casei</strong>.</p><p>The “free” and “total” folate activity, respectively, ranged from 0.1-1.0<!--> <!-->μg/100<!--> <!-->g and 0.4-2.9<!--> <!-->μg/100<!--> <!-->g for strained fruits, 0.3-3.4<!--> <!-->μg/100<!--> <!-->g and 1.6-11.6<!--> <!-->μg/100<!--> <!-->g for strained vegetables, and 0.2-8.0<!--> <!-->μg/100<!--> <!-->g and 1.3-12.6<!--> <!-->μg/100<!--> <!-->g for strained meats and meat combinations.</p><p>On general comparison with published values of fresh foods, the strained fruits and vegetables show much lower folate activity. The values for the strained meats were only slightly lower than published values. The contribution of folate activity from strained baby foods as part of the total daily intake is estimated and discussed.</p></div>","PeriodicalId":100211,"journal":{"name":"Canadian Institute of Food Technology Journal","volume":"4 2","pages":"Pages 51-54"},"PeriodicalIF":0.0000,"publicationDate":"1971-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0008-3860(71)74168-3","citationCount":"10","resultStr":"{\"title\":\"Free and Total Folate Activity in Strained Baby Foods\",\"authors\":\"K. Hoppner\",\"doi\":\"10.1016/S0008-3860(71)74168-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Samples of 40 strained baby foods were obtained on the Canadian market and assayed microbiologically for “free” and “total” folate activity using <strong>L. casei</strong>.</p><p>The “free” and “total” folate activity, respectively, ranged from 0.1-1.0<!--> <!-->μg/100<!--> <!-->g and 0.4-2.9<!--> <!-->μg/100<!--> <!-->g for strained fruits, 0.3-3.4<!--> <!-->μg/100<!--> <!-->g and 1.6-11.6<!--> <!-->μg/100<!--> <!-->g for strained vegetables, and 0.2-8.0<!--> <!-->μg/100<!--> <!-->g and 1.3-12.6<!--> <!-->μg/100<!--> <!-->g for strained meats and meat combinations.</p><p>On general comparison with published values of fresh foods, the strained fruits and vegetables show much lower folate activity. The values for the strained meats were only slightly lower than published values. The contribution of folate activity from strained baby foods as part of the total daily intake is estimated and discussed.</p></div>\",\"PeriodicalId\":100211,\"journal\":{\"name\":\"Canadian Institute of Food Technology Journal\",\"volume\":\"4 2\",\"pages\":\"Pages 51-54\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1971-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S0008-3860(71)74168-3\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Canadian Institute of Food Technology Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0008386071741683\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Institute of Food Technology Journal","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0008386071741683","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Free and Total Folate Activity in Strained Baby Foods
Samples of 40 strained baby foods were obtained on the Canadian market and assayed microbiologically for “free” and “total” folate activity using L. casei.
The “free” and “total” folate activity, respectively, ranged from 0.1-1.0 μg/100 g and 0.4-2.9 μg/100 g for strained fruits, 0.3-3.4 μg/100 g and 1.6-11.6 μg/100 g for strained vegetables, and 0.2-8.0 μg/100 g and 1.3-12.6 μg/100 g for strained meats and meat combinations.
On general comparison with published values of fresh foods, the strained fruits and vegetables show much lower folate activity. The values for the strained meats were only slightly lower than published values. The contribution of folate activity from strained baby foods as part of the total daily intake is estimated and discussed.
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