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Gutiérrez-Hellín J, Del Coso J. Acute p-synephrine ingestion increases fat oxidation rate during exercise. Br J Clin Pharmacol 2016; 82:362-8. [PMID: 27038225 DOI: 10.1111/bcp.12952] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 02/26/2016] [Accepted: 03/23/2016] [Indexed: 12/30/2022] Open
Abstract
AIMS p-Synephrine is a protoalkaloid widely used in dietary supplements for weight management because of its purported thermogenic effects. However, there is a lack of scientific information about its effectiveness to increase fat metabolism during exercise. The purpose of this investigation was to determine the effects of an acute ingestion of p-synephrine on fat oxidation at rest and during exercise. METHODS In a double-blind, randomized and counterbalanced experimental design, 18 healthy subjects performed two acute experimental trials after the ingestion of p-synephrine (3 mg kg(-1) ) or after the ingestion of a placebo (cellulose). Energy expenditure and fat oxidation rates were measured by indirect calorimetry at rest and during a cycle ergometer ramp exercise test (increases of 25 W every 3 min) until volitional fatigue. RESULTS In comparison with the placebo, the ingestion of p-synephrine did not change energy consumption (1.6 ± 0.3 vs. 1.6 ± 0.3 kcal min(-1) ; P = 0.69) or fat oxidation rate at rest (0.08 ± 0.02 vs. 0.10 ± 0.04 g min(-1) ; P = 0.15). However, the intake of p-synephrine moved the fat oxidation-exercise intensity curve upwards during the incremental exercise (P < 0.05) without affecting energy expenditure. Moreover, p-synephrine increased maximal fat oxidation rate (0.29 ± 0.15 vs. 0.40 ± 0.18 g min(-1) ; P = 0.01) during exercise although it did not affect the intensity at which maximal fat oxidation was achieved (55.8 ± 7.7 vs. 56.7 ± 8.2% VO2peak ; P = 0.51). CONCLUSIONS The acute ingestion of p-synephrine increased the fat oxidation rate while it reduced the carbohydrate oxidation rate when exercising at low-to-moderate exercise intensities.
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Affiliation(s)
- Jorge Gutiérrez-Hellín
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Juan Del Coso
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
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Stohs SJ, Badmaev V. A Review of Natural Stimulant and Non-stimulant Thermogenic Agents. Phytother Res 2016; 30:732-40. [PMID: 26856274 PMCID: PMC5067548 DOI: 10.1002/ptr.5583] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 01/11/2016] [Accepted: 01/14/2016] [Indexed: 01/19/2023]
Abstract
Obesity and overweight are major health issues. Exercise and calorie intake control are recognized as the primary mechanisms for addressing excess body weight. Naturally occurring thermogenic plant constituents offer adjunct means for assisting in weight management. The controlling mechanisms for thermogenesis offer many intervention points. Thermogenic agents can act through stimulation of the central nervous system with associated adverse cardiovascular effects and through metabolic mechanisms that are non-stimulatory or a combination thereof. Examples of stimulatory thermogenic agents that will be discussed include ephedrine and caffeine. Examples of non-stimulatory thermogenic agents include p-synephrine (bitter orange extract), capsaicin, forskolin (Coleus root extract), and chlorogenic acid (green coffee bean extract). Green tea is an example of a thermogenic with the potential to produce mild but clinically insignificant undesirable stimulatory effects. The use of the aforementioned thermogenic agents in combination with other extracts such as those derived from Salacia reticulata, Sesamum indicum, Lagerstroemia speciosa, Cissus quadrangularis, and Moringa olifera, as well as the use of the carotenoids as lutein and fucoxanthin, and flavonoids as naringin and hesperidin can further facilitate energy metabolism and weight management as well as sports performance without adverse side effects. © 2016 The Authors Phytotherapy Research published by John Wiley & Sons Ltd.
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Affiliation(s)
- Sidney J. Stohs
- School of Pharmacy and Health ProfessionsCreighton UniversityOmahaNE68178USA
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Shara M, Stohs SJ, Mukattash TL. Cardiovascular Safety of Oralp-Synephrine (Bitter Orange) in Healthy Subjects: A Randomized Placebo-Controlled Cross-over Clinical Trial. Phytother Res 2016; 30:842-7. [DOI: 10.1002/ptr.5590] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 01/21/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Mohd Shara
- Faculty of Pharmacy; Jordan University of Science and Technology; Irbid Jordan
| | - Sidney J. Stohs
- Dean Emeritus; Creighton University Medical Center; Omaha NE 68178 USA
| | - Tareq L. Mukattash
- Faculty of Pharmacy; Jordan University of Science and Technology; Irbid Jordan
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da Silva-Pereira JF, Bubna GA, Gonçalves GDA, Bracht F, Peralta RM, Bracht A. Fast hepatic biotransformation of p-synephrine and p-octopamine and implications for their oral intake. Food Funct 2016; 7:1483-91. [DOI: 10.1039/c6fo00014b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Orally ingested p-synephrine, due to its fast transformation, may be acting primarily in the periportal region of the liver and only marginally in other tissues.
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Affiliation(s)
| | | | | | - Fabrício Bracht
- Department of Biochemistry
- University of Maringá
- 87020900 Maringá
- Brazil
| | | | - Adelar Bracht
- Department of Biochemistry
- University of Maringá
- 87020900 Maringá
- Brazil
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Gutiérrez-Hellín J, Salinero JJ, Abían-Vicen J, Areces F, Lara B, Gallo C, Puente C, Del Coso J. Acute consumption of p-synephrine does not enhance performance in sprint athletes. Appl Physiol Nutr Metab 2016; 41:63-9. [DOI: 10.1139/apnm-2015-0299] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
P-Synephrine is a protoalkaloid widely used as an ergogenic aid in sports. This substance has been included in the World Anti-Doping Agency monitoring program, although scientific information about its effects on performance and athletes’ well-being is scarce. The purpose of this investigation was to determine the effectiveness of p-synephrine to increase performance in sprint athletes. In a randomized and counterbalanced order, 13 experienced sprinters performed 2 acute experimental trials after the ingestion of p-synephrine (3 mg·kg−1) or after the ingestion of a placebo (control trial). Forty-five minutes after the ingestion of the substances, the sprinters performed a squat jump, a countermovement jump, a 15-s repeated jump test, and subsequently performed 60-m and 100-m simulated sprint competitions. Self-reported questionnaires were used to assess side-effect prevalence. In comparison with the control trial, the ingestion of p-synephrine did not change countermovement jump height (37.4 ± 4.2 vs 36.7 ± 3.3 cm, respectively; P = 0.52), squat jump height (34.4 ± 3.6 vs 33.9 ± 3.7 cm; P = 0.34), or average 15-s repeated jumps height (31.8 ± 4.1 vs 32.2 ± 3.6 cm; P = 0.18). P-Synephrine did not modify maximal running speed during the 60-m (9.0 ± 0.5 vs 9.0 ± 0.4 m·s−1, respectively; P = 0.55) and 100-m sprint competitions (8.8 ± 0.5 vs 8.8 ± 0.5 m·s−1, respectively; P = 0.92). The ingestion of p-synephrine did not alter the prevalence of headache, gastrointestinal discomforts, muscle pain, or insomnia during the hours following the tests. Acute consumption of 3 mg·kg−1 of p-synephrine was ineffective to increase performance in competitive sprint athletes. Moreover, p-synephrine did not increase the occurrence of side effects after the competition.
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Affiliation(s)
- Jorge Gutiérrez-Hellín
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Juan José Salinero
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Javier Abían-Vicen
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Francisco Areces
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Beatriz Lara
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Cesar Gallo
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Carlos Puente
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
| | - Juan Del Coso
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
- Exercise Physiology Laboratory, Sport Science Institute, Camilo José Cela University, Madrid, Spain
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Cercato LM, White PAS, Nampo FK, Santos MRV, Camargo EA. A systematic review of medicinal plants used for weight loss in Brazil: Is there potential for obesity treatment? JOURNAL OF ETHNOPHARMACOLOGY 2015; 176:286-96. [PMID: 26520790 DOI: 10.1016/j.jep.2015.10.038] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 10/24/2015] [Accepted: 10/26/2015] [Indexed: 05/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Obesity is a pandemic disease and its prevalence is still increasing. Moreover, it has important costs to public health. In Brazil, many plants are used for weight loss by overweight or obese people, but there is a lack of scientific basis for this practice. Many ethnobotanical studies aiming to characterize this usage have been published, but they are still limited by the region considered and the diversity of the popular knowledge. AIM OF THE STUDY The present study was undertaken to systematically review the ethnobotanical surveys regarding the species utilized to reduce body weight in overweight or obese people in Brazil. METHODS Ethnobotanical surveys related to this usage and performed in Brazilian regions were systematically found in MEDLINE, LILACS and Scopus. RESULTS Thirty-three studies were included in this review. Fifty species were popularly utilized to lose weight. The most cited species were Baccharis trimera (Less.) DC, Annona muricata L. and Hancornia speciosa Gomes. Camellia sinensis (L.) Kuntze and Hibiscus sabdariffa L. were also cited and are supported by either animal or human investigations that indicate some beneficial activity against obesity. However, for the majority of species cited in the included studies, there is no scientific basis that assures the biological effects of this usage. Many studies have demonstrated important effects of these plants on glycemia, serum lipid levels or body weight control in non-obese conditions, which is not sufficient to recommend the use of these plants to reduce body weight in overweight or obese people. CONCLUSIONS Although many plants are popularly used to reduce weight in overweight or obese people in Brazil, there is little scientific evidence corroborating its usage. Based on the ethnobotanical data presented, this review indicates the plants that should be considered for scientifically controlled studies devoted to investigating their effects on obesity.
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Affiliation(s)
- Luana M Cercato
- Department of Physiology, Federal University of Sergipe, (UFS), São Cristóvão 49100-000, SE, Brazil
| | - Pollyanna A S White
- Department of Physiology, Federal University of Sergipe, (UFS), São Cristóvão 49100-000, SE, Brazil
| | - Fernando K Nampo
- Department of Physiology, Federal University of Sergipe, (UFS), São Cristóvão 49100-000, SE, Brazil
| | - Márcio R V Santos
- Department of Physiology, Federal University of Sergipe, (UFS), São Cristóvão 49100-000, SE, Brazil
| | - Enilton A Camargo
- Department of Physiology, Federal University of Sergipe, (UFS), São Cristóvão 49100-000, SE, Brazil.
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Ratamess NA, Bush JA, Kang J, Kraemer WJ, Stohs SJ, Nocera VG, Leise MD, Diamond KB, Faigenbaum AD. The effects of supplementation with P-Synephrine alone and in combination with caffeine on resistance exercise performance. J Int Soc Sports Nutr 2015; 12:35. [PMID: 26388707 PMCID: PMC4573476 DOI: 10.1186/s12970-015-0096-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 09/02/2015] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Little is known concerning the potential ergogenic effects of p-synephrine supplementation. Therefore, the purpose of the present study was to examine the effects of supplementation with p-synephrine alone and in combination with caffeine on free-weight resistance exercise performance. METHODS Twelve healthy, college-aged men performed a control (CT) resistance exercise protocol consisting of 6 sets of squats for up to 10 repetitions per set using 80% of their one repetition-maximum (1RM) with 2 min of rest in between sets. Each subject was randomly assigned (in double-blind, balanced manner) to a treatment sequence consisting of use of 3 supplements: p-synephrine (S; 100 mg), p-synephrine + caffeine (SCF; 100 mg of p-synephrine plus 100 mg of caffeine), or a placebo (P). For each supplement treatment (separated by 1 week), subjects consumed the supplement for 3 days prior to each protocol and the morning of each protocol, and subsequently did not consume any supplements for 3 days following (i.e. wash-out period). On each protocol day, subjects reported to the lab at a standard time, consumed a supplement, sat quietly for 45 min, performed the resistance exercise protocol, and sat quietly for 30 min post exercise. Performance (repetition number, force, velocity and power), blood lactate, and ratings of perceived exertion (RPE) data were collected during each protocol. RESULTS Supplements SCF and S produced a significantly (P < 0.05) greater number of repetitions performed than CT (by 11.0 ± 8.0%) and P (by 6.0 ± 7.0%) and a 10.6 ± 12.0% greater increase in volume load per protocol than CT and P. Most of the differences were seen during the last 3 sets. Mean power and velocity for all 6 sets were significantly higher in SCF compared to CT and P by ~6.2 ± 8.0%. No supplement effects were observed in RPE or blood lactate, and no adverse side effects were observed or reported. CONCLUSIONS S and SCF augmented resistance exercise performance (total repetitions, volume load) without increasing blood lactate or RPE. The addition of caffeine in SCF increased mean power and velocity of squat performance. These results indicate supplementation with S and SCF can enhance local muscle endurance during resistance exercise.
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Affiliation(s)
- Nicholas A. Ratamess
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - Jill A. Bush
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - Jie Kang
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - William J. Kraemer
- />Department of Human Sciences, The Ohio State University, Columbus, OH 43210 USA
| | - Sidney J. Stohs
- />School of Pharmacy and Health Professions, Creighton University, Omaha, NE 68178 USA
| | - Vincenzo G. Nocera
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - Megan D. Leise
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - Keith B. Diamond
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
| | - Avery D. Faigenbaum
- />Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ 08628 USA
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Cui Z, Lee Y, Lee Y, Park D. p-Synephrine suppresses glucose production but not lipid accumulation in H4IIE liver cells. J Med Food 2015; 18:76-82. [PMID: 25379695 DOI: 10.1089/jmf.2013.3133] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
p-Synephrine, the primary protoalkaloid in the extract of bitter orange and other citrus species, has gained interest due to its lipolytic activity in adipose tissues. We previously found that p-synephrine stimulates glucose consumption via AMP-activated protein kinase (AMPK) in L6 skeletal muscle cells. This study investigated the effect of p-synephrine on glucose production and lipid accumulation in H4IIE rat liver cells. Glucose production was increased in H4llE cells that were incubated in glucose-free medium but decreased dose dependently (1-100 μM) with p-synephrine treatment. Protein levels of glucose-6-phosphatase (G6Pase) and phosphoenol pyruvate carboxykinase (PEPCK) were also decreased by treatment (4 h) with p-synephrine. Antagonists against α- and β-adrenergic receptors (phentolamine and propranolol) and other inhibitors against signaling molecules did not interrupt p-synephrine-induced suppression in glucose production. However, H7 (an inhibitor of serine/threonine kinases PKA, PKC, and PKG) significantly blocked p-synephrine-induced suppression of glucose production and further increased basal glucose production. Unlike the suppressive effect on glucose production, p-synephrine failed to affect palmitic acid-induced cytoplasmic lipid accumulation. Protein levels of fatty acid synthase (FAS) and phosphorylation levels of AMPK and ACC were not changed by p-synephrine. Altogether, p-synephrine can suppress glucose production but does not affect lipid accumulation in H4IIE liver cells.
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Affiliation(s)
- Zhigang Cui
- 1 Department of Histology and Embryology, Hainan Medical University , Haikou, China
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59
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Suroowan S, Mahomoodally F. Common phyto-remedies used against cardiovascular diseases and their potential to induce adverse events in cardiovascular patients. CLINICAL PHYTOSCIENCE 2015. [DOI: 10.1186/s40816-015-0002-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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61
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Hassan HA, El-Gharib NE. Obesity and Clinical Riskiness Relationship: Therapeutic Management by Dietary Antioxidant Supplementation—a Review. Appl Biochem Biotechnol 2015; 176:647-69. [DOI: 10.1007/s12010-015-1602-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 03/31/2015] [Indexed: 01/03/2023]
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Sobolev AP, Mannina L, Proietti N, Carradori S, Daglia M, Giusti AM, Antiochia R, Capitani D. Untargeted NMR-based methodology in the study of fruit metabolites. Molecules 2015; 20:4088-108. [PMID: 25749679 PMCID: PMC6272596 DOI: 10.3390/molecules20034088] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/17/2015] [Accepted: 02/26/2015] [Indexed: 12/15/2022] Open
Abstract
In this review, fundamental aspects of the untargeted NMR-based methodology applied to fruit characterization are described. The strategy to perform the structure elucidation of fruit metabolites is discussed with some examples of spectral assignments by 2D experiments. Primary ubiquitous metabolites as well as secondary species-specific metabolites, identified in different fruits using an untargeted 1H-NMR approach, are summarized in a comprehensive way. Crucial aspects regarding the quantitative elaboration of spectral data are also discussed. The usefulness of the NMR-based metabolic profiling was highlighted using some results regarding quality, adulteration, varieties and geographical origin of fruits and fruit-derived products such as juices.
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Affiliation(s)
- Anatoly Petrovich Sobolev
- Magnetic Resonance Laboratory "Annalaura Segre", Institute of Chemical Methodologies, National Research Council (CNR), I-00015 Monterotondo (RM), Italy.
| | - Luisa Mannina
- Magnetic Resonance Laboratory "Annalaura Segre", Institute of Chemical Methodologies, National Research Council (CNR), I-00015 Monterotondo (RM), Italy.
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, I-00185 Rome, Italy.
| | - Noemi Proietti
- Magnetic Resonance Laboratory "Annalaura Segre", Institute of Chemical Methodologies, National Research Council (CNR), I-00015 Monterotondo (RM), Italy.
| | - Simone Carradori
- Department of Pharmacy, "G. D'Annunzio" University of Chieti-Pescara, Via dei Vestini 31, 66100 Chieti Scalo (CH), Italy.
| | - Maria Daglia
- Department of Drug Sciences, Medicinal Chemistry and Pharmaceutical Technology Section, Pavia University, Via Taramelli 12, 27100 Pavia, Italy.
| | - Anna Maria Giusti
- Department of Experimental Medicine, Sapienza University of Rome, Piazzale Aldo Moro 5, I-00185 Rome, Italy.
| | - Riccarda Antiochia
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, Piazzale Aldo Moro 5, I-00185 Rome, Italy.
| | - Donatella Capitani
- Magnetic Resonance Laboratory "Annalaura Segre", Institute of Chemical Methodologies, National Research Council (CNR), I-00015 Monterotondo (RM), Italy.
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Gurley BJ, Steelman SC, Thomas SL. Multi-ingredient, Caffeine-containing Dietary Supplements: History, Safety, and Efficacy. Clin Ther 2015; 37:275-301. [DOI: 10.1016/j.clinthera.2014.08.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 08/19/2014] [Accepted: 08/23/2014] [Indexed: 02/07/2023]
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Sarnoski PJ. EFFECT OF SOLVENT ON AFLATOXIN CONTENT IN EXTRACTS OF VIRGINIA TYPE PEANUT SKINS. ACTA ACUST UNITED AC 2015. [DOI: 10.3153/jfhs15007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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65
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Stohs SJ, Hartman MJ. A Review of the Receptor Binding and Pharmacological Effects of
N
‐methyltyramine. Phytother Res 2014; 29:14-6. [DOI: 10.1002/ptr.5231] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 08/04/2014] [Accepted: 08/29/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Sidney J. Stohs
- School of Pharmacy and Health Professions Creighton University Omaha NE 68178 USA
- AdvoCare International Plano TX 75074 USA
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66
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Ulbricht C, Costa D, Giese N, Isaac R, Liu A, Liu Y, Osho O, Poon L, Rusie E, Stock T, Weissner W, Windsor RC. An evidence-based systematic review of bitter orange (Citrus aurantium) by the Natural Standard Research Collaboration. J Diet Suppl 2014; 10:391-431. [PMID: 24237193 DOI: 10.3109/19390211.2013.830821] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
An evidence-based systematic review of bitter orange (Citrus aurantium) by the Natural Standard Research Collaboration consolidates the safety and efficacy data available in the scientific literature using a validated, reproducible grading rationale. This article includes written and statistical analysis of clinical trials, plus a compilation of expert opinion, folkloric precedent, history, pharmacology, kinetics/dynamics, interactions, adverse effects, toxicology, and dosing.
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67
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Stohs SJ. Unsupported conclusions in the article "Synephrine-containing dietary supplement precipitating apical ballooning syndrome in a young female". Korean J Intern Med 2014; 29:388-92. [PMID: 24851076 PMCID: PMC4028531 DOI: 10.3904/kjim.2014.29.3.388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 07/17/2013] [Accepted: 09/17/2013] [Indexed: 11/27/2022] Open
Affiliation(s)
- Sidney J. Stohs
- School of Pharmacy and Health Professions, Creighton University Medical Center, Omaha, NE, USA
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Saqib Z, Mahmood A, Naseem Malik R, Mahmood A, Hussian Syed J, Ahmad T. Indigenous knowledge of medicinal plants in Kotli Sattian, Rawalpindi district, Pakistan. JOURNAL OF ETHNOPHARMACOLOGY 2014; 151:820-828. [PMID: 24286963 DOI: 10.1016/j.jep.2013.11.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 11/05/2013] [Accepted: 11/17/2013] [Indexed: 06/02/2023]
Abstract
AIM OF STUDY The present study aimed to report the ethnomedicinal information from Kotli Sattian, district Rawalpindi for detailed medicinal uses and to inform the community about conservation of medicinal plant diversity and ethnomedicinal knowledge of plants. MATERIAL AND METHODS Ethnomedicinal data were collected via Rapid Appraisal Approach (RAA) along with interview, group meetings with local people having awareness about medicinal knowledge of plants and individual meetings with local healers. RESULTS AND DISCUSSIONS This study reported eighty seven (87) indigenous medicinal plants, distributed among fifty five (55) families and seventy nine (79) genera. Among these, herbs contributed 43%, trees 28%, shrubs 21% and climbing plants 8%. About 34% of herbal preparations were made from whole plants followed by the leaves (27%), fruits (08%), bark (06%), seeds (05%), root (05%), rhizome (04%), stem, flower, gum, pod and tubers (02%) and milky latex (01%). Justicia adhatoda showed the maximum use value (0.91) while Cuscuta reflexa showed the least use value (0.11). CONCLUSION Elder people in the study area still rely on herbal remedies although the modern heath care facilities are present in the study area; thus, the indigenous plants remain important medicines in solving health problems.
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Affiliation(s)
- Zafeer Saqib
- Department of Environmental Science, International Islamic University, Islamabad, Pakistan.
| | - Adeel Mahmood
- Environmental Biology and Ecotoxicology Laboratory, Department of Plant Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, PO 45320, Pakistan.
| | - Riffat Naseem Malik
- Environmental Biology and Ecotoxicology Laboratory, Department of Environmental Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, PO 45320, Pakistan
| | - Aqeel Mahmood
- Faculty of Pharmacy, University of Sargodha, Sargodha, Pakistan
| | - Jabir Hussian Syed
- Department of Environmental Science, International Islamic University, Islamabad, Pakistan
| | - Tahira Ahmad
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, PO 45320, Pakistan
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Effects of commercially available dietary supplements on resting energy expenditure: a brief report. ISRN NUTRITION 2014; 2014:650264. [PMID: 24967272 PMCID: PMC4045300 DOI: 10.1155/2014/650264] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 10/10/2013] [Indexed: 12/31/2022]
Abstract
Commercially available dietary products advertised to promote weight loss are an underresearched but heavily purchased commodity in the United States. Despite only limited evidence, interest in dietary supplements continues to increase. This work uniquely summarizes the current evidence evaluating the efficacy of several over-the-counter thermogenic products for their effects on resting energy expenditure. Currently, there is some evidence suggesting dietary products containing select ingredients can increase energy expenditure in healthy young people immediately following consumption (within 6 hours). It is unclear if supplement-induced increases in metabolic rate provide additional benefit beyond that provided by dietary constituents that contain similar ingredients. It is also unclear if dietary supplements are effective for weight loss in humans.
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71
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Investigating herb–drug interactions: The effect of Citrus aurantium fruit extract on the pharmacokinetics of amiodarone in rats. Food Chem Toxicol 2013; 60:153-9. [DOI: 10.1016/j.fct.2013.07.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 07/09/2013] [Accepted: 07/15/2013] [Indexed: 11/19/2022]
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72
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Stohs SJ. Problems with Citrus aurantium information in "A review on botanical species and chemical compounds with appetite suppressing properties for body weight control". PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2013; 68:329-331. [PMID: 23904205 DOI: 10.1007/s11130-013-0376-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Various botanical extracts are used as adjuncts in treating obesity. A recent review concerning botanical products used to suppress appetite has included a discussion of Citrus aurantium and p-synephrine. The authors have incorrectly equated the actions of C. aurantium with ephedra in terms of adrenergic receptor binding, pharmacological effects and safety. Current research literature is reviewed which clarifies these issues.
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Affiliation(s)
- Sidney J Stohs
- Creighton University Medical Center, Frisco, TX 75034, USA.
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Verpeut JL, Walters AL, Bello NT. Citrus aurantium and Rhodiola rosea in combination reduce visceral white adipose tissue and increase hypothalamic norepinephrine in a rat model of diet-induced obesity. Nutr Res 2013; 33:503-12. [PMID: 23746567 DOI: 10.1016/j.nutres.2013.04.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 03/29/2013] [Accepted: 04/02/2013] [Indexed: 01/02/2023]
Abstract
Extracts from the immature fruit of Citrus aurantium are often used for weight loss but are reported to produce adverse cardiovascular effects. Root extracts of Rhodiola rosea have notable antistress properties. The hypothesis of these studies was that C aurantium (6% synephrine) and R rosea (3% rosavins, 1% salidroside) in combination would improve diet-induced obesity alterations in adult male Sprague-Dawley rats. In normal-weight animals fed standard chow, acute administration of C aurantium (1-10 mg/kg) or R rosea (2-20 mg/kg) alone did not reduce deprivation-induced food intake, but C aurantium (5.6 mg/kg) + R rosea (20 mg/kg) produced a 10.5% feeding suppression. Animals maintained (13 weeks) on a high-fat diet (60% fat) were exposed to 10-day treatments of C aurantium (5.6 mg/kg) or R rosea (20 mg/kg) alone or in combination. Additional groups received vehicle (2% ethanol) or were pair fed to the C aurantium + R rosea group. Although high-fat diet intake and weight loss were not influenced, C aurantium + R rosea had a 30% decrease in visceral fat weight compared with the other treatments. Only the C aurantium group had an increased heart rate (+7%) compared with vehicle. In addition, C aurantium + R rosea administration resulted in an elevation (+15%) in hypothalamic norepinephrine and an elevation (+150%) in frontal cortex dopamine compared with the pair-fed group. These initial findings suggest that treatments of C aurantium + R rosea have actions on central monoamine pathways and have the potential to be beneficial for the treatment of obesity.
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Affiliation(s)
- Jessica L Verpeut
- Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
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74
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Lopez HL, Ziegenfuss TN, Hofheins JE, Habowski SM, Arent SM, Weir JP, Ferrando AA. Eight weeks of supplementation with a multi-ingredient weight loss product enhances body composition, reduces hip and waist girth, and increases energy levels in overweight men and women. J Int Soc Sports Nutr 2013; 10:22. [PMID: 23601452 PMCID: PMC3639826 DOI: 10.1186/1550-2783-10-22] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 04/09/2013] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Numerous natural products are marketed and sold claiming to decrease body weight and fat, but few undergo finished product-specific research demonstrating their safety and efficacy. OBJECTIVE To determine the safety and efficacy of a multi-ingredient supplement containing primarily raspberry ketone, caffeine, capsaicin, garlic, ginger and Citrus aurantium (Prograde Metabolism™ [METABO]) as an adjunct to an eight-week weight loss program. METHODS Using a randomized, placebo-controlled, double-blind design, 70 obese but otherwise healthy subjects were randomly assigned to METABO or a placebo and underwent 8 weeks of daily supplementation, a calorie restricted diet, and exercise training. Subjects were tested for changes in body composition, serum adipocytokines (adiponectin, resistin, leptin, TNF-α, IL-6) and markers of health including heart rate and blood pressure. RESULTS Of the 45 subjects who completed the study, significant differences were observed in: body weight (METABO -2.0% vs. placebo -0.5%, P < 0.01), fat mass (METABO -7.8 vs. placebo -2.8%, P < 0.001), lean mass (METABO +3.4% vs. placebo +0.8%, P < 0.03), waist girth (METABO -2.0% vs. placebo -0.2%, P < 0.0007), hip girth (METABO -1.7% vs. placebo -0.4%, P < 0.003), and energy levels per anchored visual analogue scale (VAS) (METABO +29.3% vs. placebo +5.1%, P < 0.04). During the first 4 weeks, effects/trends for maintaining elevated serum leptin (P < 0.03) and decreased serum resistin (P < 0.08) in the METABO group vs. placebo were also observed. No changes in systemic hemodynamics, clinical blood chemistries, adverse events, or dietary intake were noted between groups. CONCLUSIONS METABO administration is a safe and effective adjunct to an eight-week diet and exercise weight loss program by augmenting improvements in body composition, waist and hip girth. Adherence to the eight-week weight loss program also led to beneficial changes in body fat in placebo. Ongoing studies to confirm these results and clarify the mechanisms (i.e., biochemical and neuroendocrine mediators) by which METABO exerts the observed salutary effects are being conducted.
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Affiliation(s)
- Hector L Lopez
- The Center for Applied Health Sciences, 4302 Allen Road, STE 120, Stow, OH, 44224, USA.
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Questionable conclusions in the article "Cardiovascular toxicity of Citrus aurantium in exercised rats". Cardiovasc Toxicol 2013; 13:180-1. [PMID: 23568750 DOI: 10.1007/s12012-013-9210-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kaats GR, Miller H, Preuss HG, Stohs SJ. A 60day double-blind, placebo-controlled safety study involving Citrus aurantium (bitter orange) extract. Food Chem Toxicol 2013; 55:358-62. [PMID: 23354394 DOI: 10.1016/j.fct.2013.01.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 01/08/2013] [Accepted: 01/10/2013] [Indexed: 10/27/2022]
Abstract
Bitter orange (Citrus aurantium) extract and its primary protoalkaloid p-synephrine are widely consumed in dietary supplements for weight management and sports performance. p-Synephrine is also present in foods derived from a variety of Citrus species. Bitter orange extract is commonly used in combination with multiple herbal ingredients. Most clinical studies conducted on bitter orange extract alone have involved single doses. The purpose of this study was to assess the safety of bitter orange extract (approximately 49mg p-synephrine) alone or in combination with naringin and hesperidin twice daily given to 25 healthy subjects per group for 60days in a double-blinded, placebo-controlled protocol. No significant changes occurred in systolic or diastolic blood pressures, blood chemistries or blood cell counts in control or p-synephrine treated groups. Small, clinically insignificant differences in heart rates were observed between the p-synephrine plus naringin and hesperidin group and the p-synephrine alone as well as the placebo group. No adverse effects were reported in the three groups. Bitter orange extract and p-synephrine appear to be without adverse effects at a dose of up to 98mg daily for 60days based on the parameters measured.
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Affiliation(s)
- Gilbert R Kaats
- Integrative Health Technologies, Inc., 5170 Broadway, San Antonio, TX 78209, USA
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