{"cited_by_count":124546,"description":"This cluster of papers focuses on the analysis of trace elements, heavy metals, and mineral content in medicinal plants and teas, with a particular emphasis on Ilex paraguariensis. It explores the health implications, antioxidant activity, and potential toxic contaminants associated with these elements in herbal medicines and beverages.","display_name":"Heavy Metals in Plants","domain_id":"3","external_ids":{"openalex":"https://openalex.org/T13079","wikipedia":"https://en.wikipedia.org/wiki/Trace_element_analysis"},"field_id":"16","id":"T13079","keywords":[{"display_name":"trace element content","id":"trace-element-content","score":0.2739,"url":"https://openalex.org/keywords/trace-element-content"},{"display_name":"plant mineral composition","id":"plant-mineral-composition","score":0.2037,"url":"https://openalex.org/keywords/plant-mineral-composition"},{"display_name":"elemental content","id":"elemental-content","score":0.2211,"url":"https://openalex.org/keywords/elemental-content"},{"display_name":"trace elements in plants","id":"trace-elements-in-plants","score":0.284,"url":"https://openalex.org/keywords/trace-elements-in-plants"},{"display_name":"nitric acid-perchloric acid digestion","id":"nitric-acid-perchloric-acid-digestion","score":0.3338,"url":"https://openalex.org/keywords/nitric-acid-perchloric-acid-digestion"},{"display_name":"medicinal plant analysis","id":"medicinal-plant-analysis","score":0.3125,"url":"https://openalex.org/keywords/medicinal-plant-analysis"},{"display_name":"heavy metals in vegetables","id":"heavy-metals-in-vegetables","score":0.2264,"url":"https://openalex.org/keywords/heavy-metals-in-vegetables"},{"display_name":"tea safety","id":"tea-safety","score":0.2146,"url":"https://openalex.org/keywords/tea-safety"},{"display_name":"plant metal content","id":"plant-metal-content","score":0.5093,"url":"https://openalex.org/keywords/plant-metal-content"},{"display_name":"wet acid digestion","id":"wet-acid-digestion","score":0.337,"url":"https://openalex.org/keywords/wet-acid-digestion"},{"display_name":"nitric acid-peroxide digestion","id":"nitric-acid-peroxide-digestion","score":0.3082,"url":"https://openalex.org/keywords/nitric-acid-peroxide-digestion"},{"display_name":"characteristic elements","id":"characteristic-elements","score":0.2558,"url":"https://openalex.org/keywords/characteristic-elements"},{"display_name":"tea contamination","id":"tea-contamination","score":0.2373,"url":"https://openalex.org/keywords/tea-contamination"},{"display_name":"suspension sampling","id":"suspension-sampling","score":0.2035,"url":"https://openalex.org/keywords/suspension-sampling"}],"legacy_keywords":["Trace Elements","Medicinal Plants","Tea","Heavy Metals","Mineral Content","Antioxidant Activity","Ilex paraguariensis","Chemical Composition","Health Implications","Toxic Contaminants"],"openalex_id":"https://openalex.org/T13079","source_created_date":"2024-01-23T15:27:16","source_updated_date":"2026-10-17T03:02:00","subfield_id":"1602","url":"/topics/T13079","works_api_url":"https://api.openalex.org/works?filter=topics.id:T13079","works_count":20427,"label":"Heavy Metals in Plants","provider":"openalex","revision":"7c8f32e36d72ce71","taxonomy_revision":"f050b5d4780b1289","title":"Heavy Metals in Plants","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"38285853940386009","address_version":"morton4x16-v1","coordinates":[3,16,1602,13079],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}