{"public_id":"co_774f448d47833e6cce9d36bb49241348","status":"active","merged_into_public_id":null,"resolved_public_id":"co_774f448d47833e6cce9d36bb49241348","name":"DPPH free radical scavenging assay","description":"A colorimetric assay measuring a sample's ability to scavenge the stable DPPH free radical, used here to evaluate antioxidant activity of the extracts.","aliases":["DPPH assay"],"types":["method"],"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"concept","status":"active","confidence":null,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":1,"user_agent":1},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"mixed","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","concept.status"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"papers":[{"corpus_id":40640361,"title":"Antibacterial and Antioxidant Activities of Typhonium Flagelliforme (Lodd.) Blume Tuber","citation_count":40,"url":"https://sah.borca.ai/papers/40640361"}],"claims":[{"public_id":"cl_8fb7d56f4411879e51ce96cc6b996783","text":"Ethyl acetate extract (77.6±0.9% inhibition) and dichloromethane extract (70.5±1.7% inhibition) of Typhonium flagelliforme tuber show comparatively strong DPPH free radical scavenging activity relative to the BHT positive control (95.3±1.3% inhibition).","corpus_id":40640361,"url":"https://sah.borca.ai/claims/cl_8fb7d56f4411879e51ce96cc6b996783"}],"related_concepts":[],"resolved_url":"https://sah.borca.ai/concepts/co_774f448d47833e6cce9d36bb49241348","url":"https://sah.borca.ai/concepts/co_774f448d47833e6cce9d36bb49241348"}