Assertion: kelp's carbohydrate | /r/HasProperty | evans
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Source sentences:
text: Seaweeds are valuable alternative feeds for livestock, mostly as sources of valuable nutriments, notably chelated micro-minerals (which were found in the 1970s to be more available than inorganic ones), complex carbohydrates with prebiotic activities (since the 1990s), pigments and polyunsaturated fatty acids beneficial to consumer health (Evans et al., 2014; CEVA, 2005).