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. 2008 Jan 17;105(5):1431–1435. doi: 10.1073/pnas.0709005105

Table 1.

Labeling efficiency of radioactive and stable calcium isotopes in hydroponically grown carrots

Carrot type 45Ca activity, %* 42Ca enrichment, %†
Control 14.86 2.5
sCAX1-expressing carrot 30.83 2.4

*45Ca isotope activity in edible portion of carrot.

†42Ca in edible portion of carrot.