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Lin YH, Nien CJ, Chen LG, Lee SY, Chang WJ, Pan YH, Hsieh SC, Huang HM. Sapindus mukorossiSeed Oil Changes Tyrosinase Activity of α-MSH-Induced B16F10 Cells Via the Antimelanogenesic Effect of Eicosenoic Acid. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20972295] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Melanogenesis is a complex process that can lead to pigmentation defects. Various chemical skin-lightening products have been developed to treat pigmentation disorders. However, these chemical products can cause harmful adverse effects. Therefore, the development of safer, natural bleaching ingredients is a trend for sustainability. It has been reported that unsaturated fatty acids exhibit significant antimelanogenic effects. Sapindus mukorossi seed oils contain abundant unsaturated fatty acids; however, these have not yet been investigated for beneficial effects on skin tone evenness. In this study, we tested the possibility of using S. mukorossi oil for the treatment of hyperpigmentation in an in vitro model. Free fatty acid compositions and β-sitosterol were determined by gas chromatography-mass spectrometry and high-pressure liquid chromatography, respectively. The effect of S. mukorossi oil on melanoma B16F10 cell viability was detected using the 3-(4,5-dimethylthiazol-2-yl)- 2,5-diphenyl-tetrazolium bromide assay. The inhibitive effects of fatty acids and β-sitosterol in S. mukorossi oil on α-melanocyte-stimulating hormone (MSH)-induced melanogenesis was evaluated by detecting melanin formation and tyrosinase activity. Our results showed that S. mukorossi oil produced no significant cytotoxicity in B16F10 cells at various concentrations compared with the control group. The enhancement of melanin formation induced by α-MSH was reduced by S. mukorossi oil. We also found that the primary fatty acid contributing to the antimelanogenesis effect was eicosenoic acid. These results suggest that S. mukorossi seed oil can effectively inhibit melanogenesis and has the potential for future development as a de-hyperpigmentation product within a waste utilization context.
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Affiliation(s)
- Yu-Hsiang Lin
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
- Department of Dentistry, Wan-Fang Medical Center, Taipei Medical University, Taipei
| | - Chia-Jen Nien
- Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei
| | - Lih-Geeng Chen
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi
| | - Sheng-Yang Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
- Department of Dentistry, Wan-Fang Medical Center, Taipei Medical University, Taipei
| | - Wei-Jen Chang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
| | - Yu-Hwa Pan
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
- Department of General Dentistry, Chang Gung Memorial Hospital, Taipei
- Graduate Institute of Dental & Craniofacial Science, Chang Gung University, Taoyuan
- School of Dentistry, College of Medicine, China Medical University, Taichung
| | - Sung-Chih Hsieh
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
- Department of Dentistry, Wan-Fang Medical Center, Taipei Medical University, Taipei
| | - Haw-Ming Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei
- Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei
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Sarruf FD, Sauce R, Candido TM, Oliveira CA, Rosado C, Velasco MVR, Baby AR. Butyrospermum parkii
butter increased the photostability and in vivo SPF of a molded sunscreen system. J Cosmet Dermatol 2020; 19:3296-3301. [DOI: 10.1111/jocd.13429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 03/31/2020] [Accepted: 04/03/2020] [Indexed: 01/24/2023]
Affiliation(s)
- Fernanda D. Sarruf
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
| | - Rafael Sauce
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
| | - Thalita M. Candido
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
| | - Camila A. Oliveira
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
| | - Catarina Rosado
- CBIOS – Universidade Lusófona's Research Center for Biosciences and Health Technologies Lisbon Portugal
| | - Maria V. R. Velasco
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
| | - André R. Baby
- Department of Pharmacy Faculty of Pharmaceutical Sciences University of São Paulo São Paulo Brazil
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Zhang T, Xie L, Liu R, Chang M, Zhang H, Jin Q, Wang X. Revisiting the 4,4-dimethylsterols profile from different kinds of vegetable oils by using GC-MS. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109163] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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4
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Definitive evidence of the presence of 24-methylenecycloartanyl ferulate and 24-methylenecycloartanyl caffeate in barley. Sci Rep 2019; 9:12572. [PMID: 31467350 PMCID: PMC6715696 DOI: 10.1038/s41598-019-48985-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 08/15/2019] [Indexed: 12/17/2022] Open
Abstract
γ-Oryzanol (OZ), which has a lot of beneficial effects, is a mixture of ferulic acid esters of triterpene alcohols (i.e., triterpene alcohol type of OZ (TTA-OZ)) and ferulic acid esters of plant sterols (i.e., plant sterol type of OZ (PS-OZ)). Although it has been reported that OZ is found in several kinds of cereal typified by rice, TTA-OZ (e.g., 24-methylenecycloartanyl ferulate (24MCA-FA)) has been believed to be characteristic to rice and has not been found in other cereals. In this study, we isolated a compound considered as a TTA-OZ (i.e., 24MCA-FA) from barley and determined the chemical structure using by HPLC-UV-MS, high-resolution MS, and NMR. Based on these results, we proved for the first time that barley certainly contains 24MCA-FA (i.e., TTA-OZ). During the isolation and purification of 24MCA-FA from barley, we found the prospect that a compound with similar properties to OZ (compound-X) might exist. To confirm this finding, the compound-X was also isolated, determined the chemical structure, and identified as a caffeic acid ester of 24-methylenecycloartanol (24MCA-CA), which has rarely been reported before. We also quantified these compounds in various species of barley cultivars and found for the first time the existence of 24MCA-FA and 24MCA-CA in various barley. Through these findings, it opens the possibility to use barley as a new source of 24MCA-FA and 24MCA-CA.
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Münger LH, Jutzi S, Lampi AM, Nyström L. Comparison of Enzymatic Hydrolysis and Acid Hydrolysis of Sterol Glycosides from Foods Rich in Δ7-Sterols. Lipids 2015; 50:735-48. [DOI: 10.1007/s11745-015-4002-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 01/30/2015] [Indexed: 12/12/2022]
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6
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Lee ST, Radu S, Ariffin A, Ghazali HM. Physico-Chemical Characterization of Oils Extracted from Noni, Spinach, Lady’s Finger, Bitter Gourd and Mustard Seeds, and Copra. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2015. [DOI: 10.1080/10942912.2014.986577] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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7
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Akihisa T, Kojima N, Katoh N, Kikuchi T, Fukatsu M, Shimizu N, Masters ET. Triacylglycerol and triterpene ester composition of shea nuts from seven African countries. J Oleo Sci 2012; 60:385-91. [PMID: 21768739 DOI: 10.5650/jos.60.385] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The compositions of the triacylglycerol (TAG) and triterpene ester (TE) fractions of the kernel fats (n-hexane extracts; shea butter) of the shea tree (Vitellaria paradoxa; Sapotaceae) were determined for 36 samples from seven sub-Saharan countries, i.e., Cote d' Ivoire, Ghana, Nigeria, Cameroun, Chad, Sudan, and Uganda. The principal TAGs are stearic-oleic-stearic (SOS; mean 31.2%), SOO (27.7%), and OOO (10.8%). The TE fractions contents are in the range of 0.5-6.5%, and contain α-amyrin cinnamate (1c; mean 29.3%) as the predominant TE followed by butyrospermol cinnamate (4c; 14.8%), α-amyrin acetate (1a; 14.1%), lupeol cinnamate (3c; 9.0%), β-amyrin cinnamate (2c; 7.6%), lupeol acetate (3a; 7.2%), butyrospermol acetate (4a; 5.8%), and β-amyrin acetate (2a; 4.9%). Shea kernel fats from West African provenances contained, in general, higher levels of high-melting TAGs such as SOS, and higher amount of TEs than those from East African provenances. No striking regional difference in the composition of the TE fractions was observed.
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Akihisa T, Kojima N, Katoh N, Ichimura Y, Suzuki H, Fukatsu M, Maranz S, Masters ET. Triterpene alcohol and fatty acid composition of shea nuts from seven African countries. J Oleo Sci 2010; 59:351-60. [PMID: 20513968 DOI: 10.5650/jos.59.351] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The content and composition of triterpene alcohol fractions of the non-saponifiable lipids (NSL) along with the fatty acid composition of the kernel fats (n-hexane extracts) of the shea tree (Vitellaria paradoxa; Sapotaceae) were determined for 36 samples from seven sub-Saharan countries: Cote d' Ivoire, Ghana, Nigeria, Cameroun, Chad, Sudan, and Uganda. The fat content of the kernels, proportion of NSL in the fats, and triterpene alcohols in the NSL are in the range of 30-54, 2-12, and 22-72%, respectively. The triterpene alcohol fractions contained alpha-amyrin (1), beta-amyrin (2), lupeol (3), and butyrospermol (4) as the major constituents along with minor or trace amounts of psi-taraxasterol (5), taraxasterol (6), parkeol (7), 24-methylene-24-dihydroparkeol (8), 24-methylenecycloartanol (9), dammaradienol (10), and 24-methylenedammarenol (11). Fatty acid composition is dominated by stearic (28-56%) and oleic (34-61%) acids. Shea butters from West African provenances contained in general higher levels of triterpene alcohols and stearic acid than those from East African provenances. Both stearic acid and total triterpene alcohol contents were significantly correlated to the latitude and elevation of the source population, indicating that higher levels of these compounds are found at higher ambient temperatures.
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Akihisa T, Kojima N, Kikuchi T, Yasukawa K, Tokuda H, T. Masters E, Manosroi A, Manosroi J. Anti-Inflammatory and Chemopreventive Effects of Triterpene Cinnamates and Acetates from Shea Fat. J Oleo Sci 2010; 59:273-80. [DOI: 10.5650/jos.59.273] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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10
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Ulberth F, Buchgraber M. Analytical platforms to assess the authenticity of cocoa butter. EUR J LIPID SCI TECH 2003. [DOI: 10.1002/ejlt.200390003] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Beveridge THJ, Li TSC, Drover JCG. Phytosterol content in American ginseng seed oil. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2002; 50:744-750. [PMID: 11829639 DOI: 10.1021/jf010701v] [Citation(s) in RCA: 109] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
North American ginseng (Panax quinquefolium L.) oil was saponifed and the unsaponifiable matter trimethylsilylated. The phytosterol fraction of hexane-extracted, air-dried seed was quantified and identified by GC and GC-MS. Phytosterol contents (milligrams per 100 g of oil) were as follows: squalene (514-569), oxidosqualene (8.97-48.2), campesterol (9.96-12.4), stigmasterol (93.2-113), clerosterol (1.91-2.14), beta-sitosterol (153-186), beta-amyrin (11.7-19.5), delta(5)-avenasterol (12.4-20.5), delta(5,24(25))-stigmasterol (3.70-.76), lupeol (14.4-15.2), delta(7)-sitosterol (12.5-14.6), delta(7)-avenasterol (4.11-8.09), 24-methylenecycloartanol (1.94-4.76), and citrostadienol (2.50-3.81). Seed stratification lowered the phytosterol levels. Oven-drying gave mixed results, and phytosterols varied slightly between the 1999 and 2000 harvests.
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Affiliation(s)
- Thomas H J Beveridge
- Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada, Summerland, British Columbia, Canada.
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Abstract
This article describes the most commonly used procedures and recent laboratory methodologies using gas and liquid chromatography developed for separation and quantitation of non-saponifiable steroidal lipids from clinical (human) studies, edible fats and oils or fatty foods.
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Affiliation(s)
- P Volin
- Caloniuksenk. 10 C 47, Helsinki, Finland
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13
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Abstract
This paper reviews recently published chromatographic methods for the analysis of plant sterols in various sample matrices with emphasis on vegetable oils. An overview of structural complexities and biological/nutritional aspects including hypocholesterolemic activities of phytosterols is provided in the Section 1. The principal themes of the review highlight the development and application of chromatographic techniques for the isolation, purification, separation and detection of the title compounds. Pertinent gas chromatographic and high-performance liquid chromatographic methods from the literature are tabulated to illustrate common trends and methodological variability. The review also covers specific analyses of natural/synthetic standard mixtures to shed light on potential applicability in plant sample assays. Examples of combined chromatographic techniques linked in tandem for the analysis of complex samples are included. Elution characteristics of sterol components are discussed in the context of analyte substituent effects, structural factors and stationary/mobile phase considerations.
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Affiliation(s)
- S L Abidi
- National Center for Agricultural Utilization Research, Agricultural Research Service, US Department of Agriculture, Peoria, IL 61604, USA.
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14
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Kamm W, Dionisi F, Hischenhuber C, Engel KH. AUTHENTICITY ASSESSMENT OF FATS AND OILS. FOOD REVIEWS INTERNATIONAL 2001. [DOI: 10.1081/fri-100104702] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Lercker G, Rodriguez-Estrada MT. Chromatographic analysis of unsaponifiable compounds of olive oils and fat-containing foods. J Chromatogr A 2000; 881:105-29. [PMID: 10905697 DOI: 10.1016/s0021-9673(00)00455-6] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The analysis of the "minor components" present in food lipids is usually hampered by the large diversity of compounds found in this fraction. High-purity degree reagents and solvents, good collection techniques and highly sensitive analysis are required in order to accurately identify and quantify these components. Chromatographic techniques have proven to be particularly suitable for these determinations, especially capillary gas chromatography. This study reports several analytical cases of the main classes of components of the unsaponifiable matter obtained from olive oils or food matrices.
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Affiliation(s)
- G Lercker
- Department of Food Science, Istituto di Industrie Agrarie, Università di Bologna, Italy
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16
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LI JIANGANG, HO CHITANG, LI HE, TAO HAIRONG, TAO LUQUILIU. SEPARATION OF STEROLS AND TRITERPENE ALCOHOLS FROM UNSAPONIFIABLE FRACTIONS OF THREE PLANT SEED OILS. ACTA ACUST UNITED AC 2000. [DOI: 10.1111/j.1745-4522.2000.tb00156.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Lanzón A, Albi T, Guinda A. Formation of a Δ7
triterpene alcohol in refined olive oils. J AM OIL CHEM SOC 1999. [DOI: 10.1007/s11746-999-0178-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- A. Lanzón
- ; Instituto de la Grasa, CSIC; Avda, Padre García Tejero, 4 41012 Sevilla Spain
| | - T. Albi
- ; Instituto de la Grasa, CSIC; Avda, Padre García Tejero, 4 41012 Sevilla Spain
| | - A. Guinda
- ; Instituto de la Grasa, CSIC; Avda, Padre García Tejero, 4 41012 Sevilla Spain
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Akihisa T, Arai K, Kimura Y, Koike K, Kokke WCMC, Shibata T, Nikaido T. Camelliols A-C, three novel incompletely cyclized triterpene alcohols from sasanqua oil (Camellia sasanqua). JOURNAL OF NATURAL PRODUCTS 1999; 62:265-268. [PMID: 10075756 DOI: 10.1021/np980336a] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Three novel triterpene alcohols, camelliols A (1), B (3), and C (5), possessing a mono-, bi-, and tricyclic ring system, respectively, have been isolated, along with achilleol A, a known monocyclic triterpene alcohol, from the nonsaponifiable lipids of sasanqua oil (Camellia sasanqua). The structures of these new alcohols were determined on the basis of spectroscopic methods.
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Affiliation(s)
- T Akihisa
- College of Science and Technology, Nihon University, 1-8 Kanda Surugadai, Chiyoda-ku, Tokyo 101-8308, Japan, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado-shi, Saitama 350-0283, Japan, College of Pharmacy, Nihon University
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20
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Lipp M, Anklam E. Review of cocoa butter and alternative fats for use in chocolate—Part A. Compositional data. Food Chem 1998. [DOI: 10.1016/s0308-8146(97)00160-x] [Citation(s) in RCA: 133] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Akihisa T, Yasukawa K, Kimura Y, Yamanouchi S, Tamura T. Sasanquol, a 3,4-seco-triterpene alcohol from sasanqua oil, and its anti-inflammatory effect. PHYTOCHEMISTRY 1998; 48:301-305. [PMID: 9637065 DOI: 10.1016/s0031-9422(97)01107-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
A novel 3,4-seco-triterpene alcohol, named sasanquol, was isolated from the non-saponifiable lipid of sasanqua oil from the seeds of Camellia sasanqua. Its structure was established to be 3,4-seco-D:B-friedobacchara-4,21-dien-3-ol by spectroscopic methods. This is the first example of naturally occurring triterpene with a D:B-friedobaccharane skeleton. The 50% inhibitory dose of this compound against 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced ear inflammation (1 microgram per ear) in mice was 0.4 mg per ear.
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Affiliation(s)
- T Akihisa
- College of Science and Technology, Nihon University, Tokyo, Japan
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Akihisa T, Kimura Y, Koike K, Shibata T, Yoshida Z, Nikaido T, Tamura T. Isohelianol: A 3,4-seco-Triterpene Alcohol from Sasanqua Oil. JOURNAL OF NATURAL PRODUCTS 1998; 61:409-412. [PMID: 9548886 DOI: 10.1021/np970490h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The structure of isohelianol isolated from the seeds of Camellia sasanqua Thunb. was established to be 3,4-seco-19(10-->9)-abeo-8alpha,9beta,10alpha-eupha-4,24-dien-3-ol (1) on the basis of spectroscopic methods.
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Affiliation(s)
- T Akihisa
- College of Science and Technology, Nihon University, 1-8, Kanda Surugadai, Chiyoda-ku, Tokyo, 101 Japan, College of Pharmacy, Nihon University, 7-7-1, Narashinodai, Funabashi-shi, Chiba, 274 Japan, and School of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi-shi, Chiba, 274 Japan
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23
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Unsaponifiable substances of the lipids of the leaves ofHibiscus sp. Chem Nat Compd 1997. [DOI: 10.1007/bf02273918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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Affiliation(s)
- E A de Deckere
- Unilever Nutrition Centre, Unilever Research Laboratorium Vlaardingen, The Netherlands
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28
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Salt TA, Xu S, Patterson GW, Adler JH. Diversity of sterol biosynthetic capacity in the caryophyllidae. Lipids 1991. [DOI: 10.1007/bf02536424] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Differences in the sterol composition of Heliothis zea fed Zea mays versus Medicago sativa. ACTA ACUST UNITED AC 1990. [DOI: 10.1016/0020-1790(90)90065-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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30
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Xu S, Patterson GW, Lusby WR, Schmid KM, Salt TA. The distribution and phylogenetic significance of desmethylsterols inChenopodium andAtriplex: Coexistence of Δ7- and Δ5 -sterols. Lipids 1990. [DOI: 10.1007/bf02562429] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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31
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Triterpene alcohols, 4-methylsterols and 4-desmethylsterols of eggplant seed oil: A new phytosterol. Lipids 1988; 23:349-54. [DOI: 10.1007/bf02537347] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/1987] [Accepted: 12/21/1987] [Indexed: 11/30/2022]
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32
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Raederstorff D, Rohmer M. The action of the systemic fungicides tridemorph and fenpropimorph on sterol biosynthesis by the soil amoeba Acanthamoeba polyphaga. EUROPEAN JOURNAL OF BIOCHEMISTRY 1987; 164:421-6. [PMID: 3569273 DOI: 10.1111/j.1432-1033.1987.tb11074.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Tridemorph and fenpropimorph, two systemic fungicides known by their inhibitory effects on sterol biosynthesis in fungi and plants, were administered in vivo to the amoeba Acanthamoeba polyphaga. The compounds did not kill the cells, but modified completely their sterol pattern. Fungicide-exposed cells accumulated cyclopropylsterols indicating a partial blockage of the cyclopropane isomerase as in higher plants and delta 8-sterols indicating an inhibition of the delta 8----delta 7 isomerase as in fungi. Three new sterols, 4 alpha-methylergosta-9(11),24(28)-dienol, ergosta-6,8,22-trienol and poriferasta-6,8,22-trienol were isolated and identified, the former from control cells, the two latter from fungicide-treated cells. These results are in accordance with our previous results on the presence of cycloartenol as sterol precursor and confirm our hypothesis on a phylogenetic relationship of Acanthamoeba polyphaga with photosynthetic phyla.
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33
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Willuhn G, Schneider R. Sesquiterpene, Triterpene und Sterine aus Blüten von Heterotheca inuloides (“Mexikanische Arnikablüten”). Arch Pharm (Weinheim) 1987. [DOI: 10.1002/ardp.19873200503] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Akihisa T, Thakur S, Rosenstein FU, Matsumoto T. Sterols of cucurbitaceae: The configurations at C-24 of 24-Alkyl-Δ5-,Δ7- and Δ8-sterols. Lipids 1986; 21:39-47. [DOI: 10.1007/bf02534301] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/1985] [Indexed: 11/24/2022]
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Nes WD, Wong RY, Benson M, Landrey JR, Nes WR. Rotational isomerism about the 17(20)-bond of steroids and euphoids as shown by the crystal structures of euphol and tirucallol. Proc Natl Acad Sci U S A 1984; 81:5896-900. [PMID: 6592593 PMCID: PMC391822 DOI: 10.1073/pnas.81.18.5896] [Citation(s) in RCA: 36] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The influence of configuration at C-20 on rotation about the 17(20)-bond in steroids and euphoids was examined by x-ray crystallographic studies of the C-20 epimers euphol and tirucallol. The H atom on C-20 was in back next to C-18 in the crystal structures of both of the compounds, and C-22 was found to be cis-oriented ("left-handed") to C-13 in euphol and trans-oriented to it ("right-handed") in tirucallol. The results, which are consistent with the known left-handed crystal structure of 24(25)-dihydroeuphol and right-handed crystal structure of cholesterol and other natural sterols, lend further credence to the earlier suggestion that rotational isomerism at the 17(20)-bond can arise in C-20 epimers and that there is preference for an arrangement with the 20-H atom adjacent to C-18.
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Cooccurrence of C-24 alkylated Δ7- and Δ5-Sterols in the leaves ofBeta vulgarisin the leaves ofBeta vulgaris. Lipids 1983; 18:229-32. [DOI: 10.1007/bf02534553] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/1982] [Indexed: 10/23/2022]
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Ul'chenko NT, Gigienova EI, Abdullaev UA, Seitanidi KL, Umarov AU. Seed oil ofCousinia severzovii. Chem Nat Compd 1981. [DOI: 10.1007/bf00566429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Characterization of triterpene alcohols of seed oils from some species of theaceae, phytolaccaceae and sapotaceae. Lipids 1980. [DOI: 10.1007/bf02534064] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Iida T, Tamura T, Matsumoto T. Proton nuclear magnetic resonance identification and discrimination of side chain isomers of phytosterols using a lanthanide shift reagent. J Lipid Res 1980. [DOI: 10.1016/s0022-2275(20)39812-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Iida T, Jeong TM, Tamura T, Matsumoto T. Identification of chondrillasterol in twoCucurbitaceae seed oils by proton nuclear magnetic resonance spectroscopy. Lipids 1980. [DOI: 10.1007/bf02534122] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Nonglyceride complex of the seed oil ofOnopordum acanthium. Chem Nat Compd 1979. [DOI: 10.1007/bf00565918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Binnemann P, Jahr D. Einsatzmöglichkeiten der Massenspektrometrie bei der Überwachung von Lebensmitteln und Bedarfsgegenständen. I. ACTA ACUST UNITED AC 1979. [DOI: 10.1007/bf00480888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Itoh T, Tamura T, Matsumoto T. Triterpene Alcohols and Sterols in the Seeds of Brassica napus. ACTA ACUST UNITED AC 1978. [DOI: 10.1002/lipi.19780801002] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Affiliation(s)
- M. Bastić
- Faculty of Technology and Metallurgy, University of Belgrade; Yugoslav Institute of Meat Technology; Belgrade
- ; University of Bayreuth; F.G.R
| | - Lj. Bastić
- Faculty of Technology and Metallurgy, University of Belgrade; Yugoslav Institute of Meat Technology; Belgrade
- ; University of Bayreuth; F.G.R
- Faculty of Technology and Metallurgy; Department of Organic Chemistry; Karnegijeva 4 11000 Beograd Yugoslavia
| | - J. A. Jovanović
- Faculty of Technology and Metallurgy, University of Belgrade; Yugoslav Institute of Meat Technology; Belgrade
- ; University of Bayreuth; F.G.R
| | - G. Spiteller
- Faculty of Technology and Metallurgy, University of Belgrade; Yugoslav Institute of Meat Technology; Belgrade
- ; University of Bayreuth; F.G.R
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