Starch Grains (image) PLOS Share Print E-Mail Caption This image shows modern starch grains from sago palms and ancient phytolith and starch grains recovered from Neolithic tools. Credit Xiaoyan Yang Usage Restrictions With credit to source. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.