Fig. 3: Abundances of sugars in Bennu sample OREX-800107-108 and meteorites. | Nature Geoscience

Fig. 3: Abundances of sugars in Bennu sample OREX-800107-108 and meteorites.

From: Bio-essential sugars in samples from asteroid Bennu

Fig. 3

a, Identified sugars. b, Relative abundances of pentoses in Bennu and formose-type reaction products. Formose-type reaction product (1) is from formaldehyde and glycolaldehyde in an alkaline solution for 360 min (ref. 7) and (2) is from the reaction of formaldehyde with olivine in a neutral solution for 7 days (FO7)23. c, Abundances of pentoses in the Bennu sample and meteorites7. Data for the Bennu sugars present mean values ± standard deviation in triplicate measurements. The analytical errors for the meteorites were not reported7.

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