Science news articles about 'starch grains'

... Dolores Piperno and her colleagues have established a number of criteria for distinguishing the starch grains of different grasses and found that those of maize and teosinte could be reliably ...

... 39 human teeth, probably from six to eight individuals. “Some teeth were dirtier than others. We found starch grains on most of the teeth. About a third of the teeth contained large numbers of starch ...

... of soluble sugars and higher starch concentration than ground cuttings; the starch grains appeared smaller in microgravity samples. Despite these differences, the study was successful in showing ...

... age, excavated them and analyzed the stone tools and plant remains they retrieved. Microfossil (starch grain and phytolith) analysis from a rock shelter called Xihuatoxtla, conducted in part with ...

... containers. Residue analysis can help determine the specific use." In the study, researchers recovered starch grains from squash and gourd artifacts by a method that currently is used to recover ...