Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2046988002', 'doi': 'https://doi.org/10.1515/znc-2007-9-1003', 'title': 'Phenolic Compound Profiles and their Corresponding Antioxidant Capacity of Purple Pitaya (Hylocereus sp.) Genotypes', 'display_name': 'Phenolic Compound Profiles and their Corresponding Antioxidant Capacity of Purple Pitaya (Hylocereus sp.) Genotypes', 'publication_year': 2007, 'publication_date': '2007-10-01', 'ids': {'openalex': 'https://openalex.org/W2046988002', 'doi': 'https://doi.org/10.1515/znc-2007-9-1003', 'mag': '2046988002', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/18069234'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1515/znc-2007-9-1003', 'pdf_url': 'https://www.degruyter.com/document/doi/10.1515/znc-2007-9-1003/pdf', 'source': {'id': 'https://openalex.org/S67401564', 'display_name': 'Zeitschrift für Naturforschung C', 'issn_l': '0939-5075', 'issn': ['0939-5075', '1865-7125'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313990', 'host_organization_name': 'De Gruyter', 'host_organization_lineage': ['https://openalex.org/P4310313990'], 'host_organization_lineage_names': ['De Gruyter'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'hybrid', 'oa_url': 'https://www.degruyter.com/document/doi/10.1515/znc-2007-9-1003/pdf', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5047786415', 'display_name': 'Patricia Esquivel', 'orcid': 'https://orcid.org/0000-0002-2555-9535'}, 'institutions': [{'id': 'https://openalex.org/I110079840', 'display_name': 'University of Hohenheim', 'ror': 'https://ror.org/00b1c9541', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I110079840']}, {'id': 'https://openalex.org/I31944674', 'display_name': 'Universidad de Costa Rica', 'ror': 'https://ror.org/02yzgww51', 'country_code': 'CR', 'type': 'education', 'lineage': ['https://openalex.org/I31944674']}], 'countries': ['CR', 'DE'], 'is_corresponding': False, 'raw_author_name': 'Patricia Esquivel', 'raw_affiliation_strings': ['Escuela de Tecnología de Alimentos, Universidad de Costa Rica, 2060 San Pedro, Costa Rica', 'Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany'], 'affiliations': [{'raw_affiliation_string': 'Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany', 'institution_ids': ['https://openalex.org/I110079840']}, {'raw_affiliation_string': 'Escuela de Tecnología de Alimentos, Universidad de Costa Rica, 2060 San Pedro, Costa Rica', 'institution_ids': ['https://openalex.org/I31944674']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040461752', 'display_name': 'Florian C. Stintzing', 'orcid': 'https://orcid.org/0000-0001-7006-6804'}, 'institutions': [{'id': 'https://openalex.org/I110079840', 'display_name': 'University of Hohenheim', 'ror': 'https://ror.org/00b1c9541', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I110079840']}, {'id': 'https://openalex.org/I4210148253', 'display_name': 'Wala Heilmittel (Germany)', 'ror': 'https://ror.org/046tk5b58', 'country_code': 'DE', 'type': 'company', 'lineage': ['https://openalex.org/I4210148253']}], 'countries': ['DE'], 'is_corresponding': True, 'raw_author_name': 'Florian C. Stintzing', 'raw_affiliation_strings': ['Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany', 'Present address: WALA Heilmittel GmbH, Dorfstraße 3, D-73087 Bad Boll/Eckwälden'], 'affiliations': [{'raw_affiliation_string': 'Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany', 'institution_ids': ['https://openalex.org/I110079840']}, {'raw_affiliation_string': 'Present address: WALA Heilmittel GmbH, Dorfstraße 3, D-73087 Bad Boll/Eckwälden', 'institution_ids': ['https://openalex.org/I4210148253']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5061988838', 'display_name': 'Reinhold Carle', 'orcid': 'https://orcid.org/0000-0003-2942-2920'}, 'institutions': [{'id': 'https://openalex.org/I110079840', 'display_name': 'University of Hohenheim', 'ror': 'https://ror.org/00b1c9541', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I110079840']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Reinhold Carle', 'raw_affiliation_strings': ['Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany'], 'affiliations': [{'raw_affiliation_string': 'Institute of Food Science and Biotechnology, Section Plant Foodstuff Technology, Hohenheim University, August-von-Hartmann-Straße 3, D-70599 Stuttgart, Germany', 'institution_ids': ['https://openalex.org/I110079840']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5040461752'], 'corresponding_institution_ids': ['https://openalex.org/I110079840', 'https://openalex.org/I4210148253'], 'apc_list': None, 'apc_paid': None, 'fwci': 1.846, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 75, 'citation_normalized_percentile': {'value': 0.929528, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '62', 'issue': '9-10', 'first_page': '636', 'last_page': '644'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12330', 'display_name': 'Botanical Research and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1106', 'display_name': 'Food Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12330', 'display_name': 'Botanical Research and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1106', 'display_name': 'Food Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T12539', 'display_name': 'Pharmacology and Obesity Treatment', 'score': 0.9184, 'subfield': {'id': 'https://openalex.org/subfields/2736', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12657', 'display_name': 'Phytochemistry Medicinal Plant Applications', 'score': 0.9131, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/betalain', 'display_name': 'Betalain', 'score': 0.7862724}, {'id': 'https://openalex.org/keywords/trolox', 'display_name': 'Trolox', 'score': 0.61844265}], 'concepts': [{'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.8095412}, {'id': 'https://openalex.org/C2779146885', 'wikidata': 'https://www.wikidata.org/wiki/Q423717', 'display_name': 'Betalain', 'level': 3, 'score': 0.7862724}, {'id': 'https://openalex.org/C2778362808', 'wikidata': 'https://www.wikidata.org/wiki/Q375837', 'display_name': 'Gallic acid', 'level': 3, 'score': 0.7043878}, {'id': 'https://openalex.org/C31903555', 'wikidata': 'https://www.wikidata.org/wiki/Q1637030', 'display_name': 'Food science', 'level': 1, 'score': 0.63695294}, {'id': 'https://openalex.org/C2781150145', 'wikidata': 'https://www.wikidata.org/wiki/Q7845304', 'display_name': 'Trolox equivalent antioxidant capacity', 'level': 4, 'score': 0.6321371}, {'id': 'https://openalex.org/C2776231299', 'wikidata': 'https://www.wikidata.org/wiki/Q245489', 'display_name': 'Trolox', 'level': 4, 'score': 0.61844265}, {'id': 'https://openalex.org/C2778004101', 'wikidata': 'https://www.wikidata.org/wiki/Q133948', 'display_name': 'Antioxidant', 'level': 2, 'score': 0.5330492}, {'id': 'https://openalex.org/C2993539680', 'wikidata': 'https://www.wikidata.org/wiki/Q902552', 'display_name': 'Antioxidant capacity', 'level': 3, 'score': 0.47103506}, {'id': 'https://openalex.org/C64584667', 'wikidata': 'https://www.wikidata.org/wiki/Q161179', 'display_name': 'Pigment', 'level': 2, 'score': 0.3555985}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.144544}], 'mesh': [{'descriptor_ui': 'D000975', 'descriptor_name': 'Antioxidants', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D029421', 'descriptor_name': 'Cactaceae', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D010636', 'descriptor_name': 'Phenols', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D000975', 'descriptor_name': 'Antioxidants', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D000975', 'descriptor_name': 'Antioxidants', 'qualifier_ui': 'Q000145', 'qualifier_name': 'classification', 'is_major_topic': False}, {'descriptor_ui': 'D000975', 'descriptor_name': 'Antioxidants', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D050858', 'descriptor_name': 'Betalains', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D050858', 'descriptor_name': 'Betalains', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D029421', 'descriptor_name': 'Cactaceae', 'qualifier_ui': 'Q000235', 'qualifier_name': 'genetics', 'is_major_topic': False}, {'descriptor_ui': 'D029421', 'descriptor_name': 'Cactaceae', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003364', 'descriptor_name': 'Costa Rica', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005838', 'descriptor_name': 'Genotype', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010636', 'descriptor_name': 'Phenols', 'qualifier_ui': 'Q000145', 'qualifier_name': 'classification', 'is_major_topic': False}, {'descriptor_ui': 'D010636', 'descriptor_name': 'Phenols', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D010636', 'descriptor_name': 'Phenols', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1515/znc-2007-9-1003', 'pdf_url': 'https://www.degruyter.com/document/doi/10.1515/znc-2007-9-1003/pdf', 'source': {'id': 'https://openalex.org/S67401564', 'display_name': 'Zeitschrift für Naturforschung C', 'issn_l': '0939-5075', 'issn': ['0939-5075', '1865-7125'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313990', 'host_organization_name': 'De Gruyter', 'host_organization_lineage': ['https://openalex.org/P4310313990'], 'host_organization_lineage_names': ['De Gruyter'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/18069234', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1515/znc-2007-9-1003', 'pdf_url': 'https://www.degruyter.com/document/doi/10.1515/znc-2007-9-1003/pdf', 'source': {'id': 'https://openalex.org/S67401564', 'display_name': 'Zeitschrift für Naturforschung C', 'issn_l': '0939-5075', 'issn': ['0939-5075', '1865-7125'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310313990', 'host_organization_name': 'De Gruyter', 'host_organization_lineage': ['https://openalex.org/P4310313990'], 'host_organization_lineage_names': ['De Gruyter'], 'type': 'journal'}, 'license': 'cc-by-nc-nd', 'license_id': 'https://openalex.org/licenses/cc-by-nc-nd', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 32, 'referenced_works': ['https://openalex.org/W1544976548', 'https://openalex.org/W1559903407', 'https://openalex.org/W1652931451', 'https://openalex.org/W1976070096', 'https://openalex.org/W1984218916', 'https://openalex.org/W1989109407', 'https://openalex.org/W1990207658', 'https://openalex.org/W1994421922', 'https://openalex.org/W2006587463', 'https://openalex.org/W2013194529', 'https://openalex.org/W2018033798', 'https://openalex.org/W2019763774', 'https://openalex.org/W2023335813', 'https://openalex.org/W2027618967', 'https://openalex.org/W2029117284', 'https://openalex.org/W2036796436', 'https://openalex.org/W2040399576', 'https://openalex.org/W2042216139', 'https://openalex.org/W2046627676', 'https://openalex.org/W2049947577', 'https://openalex.org/W2051545339', 'https://openalex.org/W2053908818', 'https://openalex.org/W2087031552', 'https://openalex.org/W2096662184', 'https://openalex.org/W2097208176', 'https://openalex.org/W2098526247', 'https://openalex.org/W2108400556', 'https://openalex.org/W2164867369', 'https://openalex.org/W2322444217', 'https://openalex.org/W2950429477', 'https://openalex.org/W4232135728', 'https://openalex.org/W94717509'], 'related_works': ['https://openalex.org/W2891215273', 'https://openalex.org/W2843461300', 'https://openalex.org/W2182272672', 'https://openalex.org/W2156127357', 'https://openalex.org/W2101381919', 'https://openalex.org/W2093284241', 'https://openalex.org/W2077256180', 'https://openalex.org/W2049660859', 'https://openalex.org/W1988968579', 'https://openalex.org/W1481294787'], 'abstract_inverted_index': {'Folin-Ciocalteu': [0], 'and': [1, 23, 41, 51, 124, 187], 'TEAC': [2], '(Trolox': [3], 'equivalent': [4], 'antioxidant': [5, 28, 47, 76], 'capacity)': [6], 'assay': [7], 'together': [8], 'with': [9, 177], 'the': [10, 19, 27, 57, 74, 108, 133, 153, 160], 'spectrophotometric': [11], 'determination': [12], 'of': [13, 30, 36, 42, 78, 86, 132, 136, 170, 174, 182], 'betalains': [14, 70, 111, 126], 'were': [15, 54, 71, 120, 127, 139], 'applied': [16], 'to': [17, 26, 66, 97, 107, 179], 'investigate': [18], 'correlation': [20], 'between': [21, 165], 'phenolics': [22], 'their': [24], 'contribution': [25], 'capacity': [29, 77], 'five': [31], 'different': [32], 'Costa': [33], 'Rican': [34], 'genotypes': [35], 'purple': [37, 79], 'pitaya': [38, 80, 157], '(Hylocereus': [39], 'sp.)': [40], 'H.': [43, 175], 'polyrhizus': [44, 176], 'fruits.': [45, 158], 'Maximum': [46], 'capacity,': [48], 'total': [49, 180], 'phenolic': [50, 62, 84, 161, 167], 'betalain': [52], 'contents': [53, 181], 'observed': [55], 'in': [56, 114, 156], 'genotype': [58, 88], "'Lisa'.": [59], 'While': [60, 159], 'non-betalainic': [61], 'compounds': [63, 131, 138], 'contributed': [64], 'only': [65], 'a': [67], 'minor': [68], 'extent,': [69], 'responsible': [72], 'for': [73, 152], 'major': [75], 'juices': [81], 'evaluated.': [82], 'The': [83], 'pattern': [85], 'each': [87], 'was': [89, 150], 'also': [90], 'thoroughly': [91], 'investigated': [92], 'using': [93], 'liquid': [94], 'chromatography': [95], 'coupled': [96], 'positive': [98], 'electrospray': [99], 'ionization': [100], '(ESI)': [101], 'tandem': [102], 'mass': [103], 'spectrometry.': [104], 'In': [105], 'addition': [106], 'well': [109], 'known': [110], 'previously': [112, 140], 'reported': [113], 'Hylocereus': [115], 'fruits,': [116], 'several': [117], 'biosynthetic': [118], 'precursors': [119], 'detected.': [121], 'Notably,': [122], 'decarboxylated': [123], 'dehydrogenated': [125], 'identified': [128, 151], 'as': [129, 142], 'genuine': [130], 'juices.': [134], 'Some': [135], 'these': [137], 'described': [141], 'artifacts': [143], 'upon': [144], 'heat': [145], 'exposure.': [146], 'Moreover,': [147], 'gallic': [148], 'acid': [149], 'first': [154], 'time': [155], 'profiles': [162], 'generally': [163], 'differed': [164], 'genotypes,': [166], 'compound': [168], 'composition': [169], "'Rosa'": [171], 'resembled': [172], 'that': [173], 'respect': [178], 'betacyanins,': [183], 'betalainic': [184], 'precursors,': [185], 'phyllocactin': [186], 'cyclo-Dopa': [188], 'malonyl-glucosides.': [189]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2046988002', 'counts_by_year': [{'year': 2024, 'cited_by_count': 5}, {'year': 2023, 'cited_by_count': 7}, {'year': 2022, 'cited_by_count': 9}, {'year': 2021, 'cited_by_count': 13}, {'year': 2020, 'cited_by_count': 8}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 5}, {'year': 2016, 'cited_by_count': 3}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 6}, {'year': 2013, 'cited_by_count': 2}], 'updated_date': '2025-01-09T17:03:26.386906', 'created_date': '2016-06-24'}