{"doi":"10.1016/j.ajcnut.2025.06.011","title":"Plant to animal protein ratio in the diet of the elderly: potential for increase and impacts on nutrient adequacy and long-term health—a diet optimization study","abstract":null,"journal":"The American Journal of Clinical Nutrition","year":2025,"id":625359,"datarank":0.38474240361923057,"base_score":2.5649493574615367,"endowment":2.5649493574615367,"self_citation_contribution":0.38474240361923057,"citation_network_contribution":0.0,"self_endowment_contribution":0.38474240361923057,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":12,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1617121,"name":"Jean-François Huneau","orcid":null,"position":1,"is_corresponding":false},{"id":1617122,"name":"Elie Perraud","orcid":null,"position":2,"is_corresponding":false},{"id":1617123,"name":"Alison Dussiot","orcid":null,"position":3,"is_corresponding":false},{"id":1617124,"name":"Juhui Wang","orcid":null,"position":4,"is_corresponding":false},{"id":1572045,"name":"Emmanuelle Kesse-Guyot","orcid":null,"position":5,"is_corresponding":false},{"id":1617126,"name":"François Mariotti","orcid":null,"position":6,"is_corresponding":false},{"id":1617120,"name":"Hélène Fouillet","orcid":"0000-0003-3932-251X","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Plant to animal protein ratio in the diet of the elderly: potential for increase and impacts on nutrient adequacy and long-term health—a diet optimization study","abstract":"<h4>Background</h4>The percentage of plant protein in the diet (%PP) is increasing in high-income countries, but concerns exist regarding the elderly, who may require more protein and indispensable amino acids (IAA) than younger adults, although this remains debated.<h4>Objectives</h4>We aimed to assess how much %PP can be safely increased in older adults depending on estimated protein requirement, and identify nutritional issues and dietary levers as %PP increases.<h4>Methods</h4>Observed diets were extracted from dietary intakes of ≥65 y French adults (INCA3, n = 433). Using diet optimization, we modeled diets with graded %PP values ensuring full nutrient adequacy-applying constraints on energy and 34 nutrient intakes (accounting for bioavailability) and considering standard or higher protein requirements (reference intakes of 0.83 or 1 g/kg/d, respectively)-while minimizing chronic disease risk from specific food group over- or underconsumption (based on Global Burden of Disease data), with only as much departure from dietary habits as necessary.<h4>Results</h4>All modeled diets differed markedly from the current unhealthy diet. Whatever the protein requirement considered, the same ∼25%-70% %PP range was compatible with minimal chronic disease risk and full nutrient adequacy. As %PP increased, iodine, calcium, eicosapentaenoic acid+docosahexaenoic acid, bioavailable iron, vitamins A, B12, and riboflavin became critical; protein was only a concern at high requirement; IAA were never problematic under protein adequacy. Sensitivity analysis revealed that raising consumption limits for legumes, nuts, vegetables, and fruit could broaden the adequate %PP range by supplying more limiting nutrients.<h4>Conclusions</h4>Diets must be sufficiently rich in protein to ensure protein adequacy at higher requirements, with no risk of IAA inadequacy when protein intake is sufficient. For sustainability, %PP can potentially increase from the current ∼1/3 to ∼2/3 in an aging population while improving health and nutrient adequacy, provided sufficient seafood and dairy products remain. Further increases would require nutrient fortification/supplementation and/or new foods.","is_dataset_classified":null,"base_score":2.3978952727983707,"endowment":2.3978952727983707,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"40523431","pmcid":null,"openalex_id":"https://openalex.org/W4411297731","authors":[],"funders":[],"total_grants":0,"fwci":9.489,"citation_percentile":0.98278684,"influential_citations":0,"citation_trend":[{"year":2025,"count":3},{"year":2026,"count":7}],"oa_status":"closed","license":"https://www.elsevier.com/legal/tdmrep-license","oa_locations":[{"url":"https://api.elsevier.com/content/article/PII:S0002916525003338?httpAccept=text/xml","host_type":"publisher"},{"url":"https://api.elsevier.com/content/article/PII:S0002916525003338?httpAccept=text/plain","host_type":"publisher"},{"url":"https://doi.org/10.1016/j.ajcnut.2025.06.011","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/40523431","host_type":"repository"},{"url":"https://hal.inrae.fr/hal-05166884","host_type":"repository"}],"fields_of_study":["Agriculture Sustainability and Environmental Impact","Nutritional Studies and Diet","Muscle metabolism and nutrition","Humans","Aged","Male","Female","Diet","Dietary Proteins","Plant Proteins","Nutritional Requirements","Animal Proteins, Dietary","Aged, 80 and over","Nutritional Status","France","Nutritive Value"],"mesh_terms":["Animal Proteins, Dietary","Aged","Aged, 80 and over","Diet","Dietary Proteins","Female","France","Humans","Male","Nutritional Requirements","Nutritional Status","Nutritive Value","Plant Proteins"],"keywords":["Nutrient","Term (time)","Gerontology","Environmental health","Biology","Medicine","Ecology","Elderly","Health risk","Protein requirement","Nutrient Adequacy","Diet Optimization"],"sdg_mappings":[{"sdg_number":0,"sdg_label":"Zero hunger"}],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-04T06:32:39.024846Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}