1
|
Kaur S, Bains K. Aloe Barbadensis Miller (Aloe Vera). INT J VITAM NUTR RES 2024; 94:308-321. [PMID: 37915246 DOI: 10.1024/0300-9831/a000797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Aloe Barbadensis Miller (Aloe Vera, AV) is a widely recognized for its diverse health-promoting, skin care, and medicinal properties. This narrative review provides a comprehensive overview of AV's bioactive compounds, pharmacological activities, potential applications, its toxic and adverse effects, as well as the clinical evidence supporting AV's efficacy in disease prevention. AV contains over 200 bioactive compounds, with the inner clear gel of the leaves containing the majority of these compounds. These include phenolic acids (274.5-307.5 mg/100 g), flavonoids. (3.63-4.70 g/kg), polysaccharides (3.82-6.55 g/kg), saponins, alkaloids, terpenoids, and anthraquinone derivatives. Findings from clinical studies involving both humans and animals highlight the therapeutic potential of AV across diverse health domains. The studies demonstrate AV's efficacy in reducing blood glucose levels, exhibiting antioxidant and immunomodulatory effects, inducing apoptosis in cancer cells, protecting the liver from damage, and displaying antimicrobial properties. In the fields of dermatology and dentistry, AV has also been observed to promote skin and oral health. However, it is imperative to acknowledge potential risks, adhere to recommended dosages, and seek guidance from healthcare experts before employing AV as a natural therapeutic option. Moreover, considering safety concerns, further well-designed randomized controlled trials are necessary to substantiate the potential benefits of AV and comprehensively assess any associated risks.
Collapse
Affiliation(s)
- Sukhdeep Kaur
- Department of Food & Nutrition, Punjab Agricultural University, Ludhiana, Punjab, India
| | - Kiran Bains
- Department of Food & Nutrition, Punjab Agricultural University, Ludhiana, Punjab, India
| |
Collapse
|
2
|
Ushasree MV, Jia Q, Do SG, Lee EY. New opportunities and perspectives on biosynthesis and bioactivities of secondary metabolites from Aloe vera. Biotechnol Adv 2024; 72:108325. [PMID: 38395206 DOI: 10.1016/j.biotechadv.2024.108325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/10/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024]
Abstract
Historically, the genus Aloe has been an indispensable part of both traditional and modern medicine. Decades of intensive research have unveiled the major bioactive secondary metabolites of this plant. Recent pandemic outbreaks have revitalized curiosity in aloe metabolites, as they have proven pharmacokinetic profiles and repurposable chemical space. However, the structural complexity of these metabolites has hindered scientific advances in the chemical synthesis of these compounds. Multi-omics research interventions have transformed aloe research by providing insights into the biosynthesis of many of these compounds, for example, aloesone, aloenin, noreugenin, aloin, saponins, and carotenoids. Here, we summarize the biological activities of major aloe secondary metabolites with a focus on their mechanism of action. We also highlight the recent advances in decoding the aloe metabolite biosynthetic pathways and enzymatic machinery linked with these pathways. Proof-of-concept studies on in vitro, whole-cell, and microbial synthesis of aloe compounds have also been briefed. Research initiatives on the structural modification of various aloe metabolites to expand their chemical space and activity are detailed. Further, the technological limitations, patent status, and prospects of aloe secondary metabolites in biomedicine have been discussed.
Collapse
Affiliation(s)
- Mrudulakumari Vasudevan Ushasree
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Qi Jia
- Unigen, Inc., 2121 South street suite 400 Tacoma, Washington 98405, USA
| | - Seon Gil Do
- Naturetech, Inc., 29-8, Yongjeong-gil, Chopyeong-myeon, Jincheon-gun, Chungcheongbuk-do 27858, Republic of Korea
| | - Eun Yeol Lee
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
| |
Collapse
|
3
|
Elkomy NMIM, El-Shaibany A, Elnagar GM, Abdelkhalek AS, Al-Mahbashi H, Elaasser MM, Raweh SM, Aldiyarbi MA, Raslan AE. Evaluation of acute oral toxicity, anti-diabetic and antioxidant effects of Aloe vera flowers extract. JOURNAL OF ETHNOPHARMACOLOGY 2023; 309:116310. [PMID: 36863642 DOI: 10.1016/j.jep.2023.116310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aloe vera (L.) Burm.f. is widely used in various traditional systems of medicine worldwide. Since over 5000 years ago, several cultures have used A. vera extract medicinally for conditions ranging from diabetes to eczema. It has been shown to reduce the symptoms of diabetes by enhancing insulin secretion and protecting pancreatic islets. AIM OF THE WORK This research study aimed to investigate the in-vitro antioxidant effect, the acute oral toxicity, and the possible pharmacological in-vivo anti-diabetic activity with histological examination of the pancreas of the standardized deep red A. vera flowers methanolic extracts (AVFME). MATERIALS AND METHODS The liquid-liquid extraction procedure and TLC technique were used to investigate chemical composition. Total phenolics and flavonoids in AVFME were quantified by Folin-Ciocalteu and AlCl3 colorimetric methods, respectively. The present study involved evaluating the in-vitro antioxidant effect of AVFME using ascorbic acid as the reference standard, an acute oral toxicity study by using thirty-six albino rats and different concentrations of AVFME (200 mg/kg, 2, 4, 8 and 10 g/kg b.w.). Furthermore, the in-vivo anti-diabetic study was performed on alloxan-induced diabetes in rats (120 mg/kg, I.P.) and two doses of AVFME (200 and 500 mg/kg b.w., orally) were used as compared to glibenclamide (5 mg/kg, orally) as a standard hypoglycemic sulfonylurea medication. A histological examination of the pancreas was performed. RESULTS AVFME resulted in the highest phenolic content of 150.44 ± 4.62 mg gallic acid equivalent per gram (GAE/g) along with flavonoid content of 70.38 ± 0.97 mg of quercetin equivalent per gram (QE/g). An in-vitro study revealed that the antioxidant effect of AVFME was strong as ascorbic acid. The results of the in-vivo studies showed that the AVFME didn't cause any apparent toxicity signs or death in all groups at different doses which proves the safety of this extract with a wide therapeutic index. The antidiabetic activity of AVFME demonstrated a considerable drop in blood glucose levels as glibenclamide, without severe hypoglycemia or significant weight gain which is considered an advantage of AVFME over glibenclamide use. The histopathological study of pancreatic tissues confirmed the protective effect of AVFME on the pancreatic beta-cells. The extract is proposed to have antidiabetic activity through inhibition of α-amylase, α-glucosidase, and dipeptidyl peptidase IV (DPP-IV). Molecular docking studies were conducted to understand possible molecular interactions with these enzymes. CONCLUSION AVFME represents a promising alternative source of active constituents against diabetes mellitus (DM) based on its oral safety, antioxidant, anti-hyperglycemic activities, and pancreatic protective effects. These data revealed the antihyperglycemic activity of AVFME is mediated by pancreatic protective effects while significantly enhancing insulin secretion through increasing functioning beta cells. This suggests that AVFME has the potential as a novel antidiabetic therapy or a dietary supplement for the treatment of type 2 diabetes (T2DM).
Collapse
Affiliation(s)
- Nesreen M I M Elkomy
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Zagazig University, Egypt.
| | - Amina El-Shaibany
- Pharmacognosy Department, University of Sana'a, Pharmacy College, Yemen.
| | - Gehad M Elnagar
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Egypt.
| | - Ahmed S Abdelkhalek
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Hassan Al-Mahbashi
- Department of Forensic Medicine and Clinical Toxicology, College of Medicine, Sana'a University, Sanaa, Yemen.
| | - Mahmoud M Elaasser
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, 11787, Nasr City, Cairo, Egypt.
| | - Salwa M Raweh
- Pharmacognosy Department, University of Sana'a, Pharmacy College, Yemen.
| | - Maha A Aldiyarbi
- Zagazig University Hospitals, Zagazig University, Zagazig, Egypt
| | - Ali E Raslan
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt.
| |
Collapse
|
4
|
Valorization of Aloe vera Skin By-Products to Obtain Bioactive Compounds by Microwave-Assisted Extraction: Antioxidant Activity and Chemical Composition. Antioxidants (Basel) 2022; 11:antiox11061058. [PMID: 35739955 PMCID: PMC9220353 DOI: 10.3390/antiox11061058] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 02/04/2023] Open
Abstract
Aloe vera skin (AVS) is a major by-product of Aloe processing plants all over the world. In this study, response surface methodology was used to optimize microwave-assisted extraction (MAE) of bioactive compounds from AVS. The influence of extraction parameters, such as ethanol concentration (%Et), extraction temperature (T), time (t) and solvent volume (V), on extraction yield (Y), total phenolic content (TPC), antioxidant activity (DPPH and FRAP methods) and aloin content, was studied. Optimum extraction conditions were determined as 80% ethanol, 80 °C, 36.6 min and 50 mL and optimized extracts showed interesting contents of polyphenols and antioxidant performance. The phenolic profile was determined by HPLC-DAD/MS and some major phenolic compounds, such as aloin A, aloin B, aloesin, aloe-emodin, aloeresin D, orientin, cinnamic acid and chlorogenic acid, were quantified while eight other compounds were tentatively identified. Moreover, structural and thermal properties were studied by FTIR and TGA analyses, respectively. The obtained results suggested the potential of AVS as a promising source of bioactive compounds, thus increasing the added value of this agricultural waste.
Collapse
|
5
|
Razia S, Park H, Shin E, Shim KS, Cho E, Kang MC, Kim SY. Synergistic effect of Aloe vera flower and Aloe gel on cutaneous wound healing targeting MFAP4 and its associated signaling pathway: In-vitro study. JOURNAL OF ETHNOPHARMACOLOGY 2022; 290:115096. [PMID: 35182666 DOI: 10.1016/j.jep.2022.115096] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/30/2022] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aloe vera (L.) Burm. f. (Liliaceae family) is a well-known traditional medicinal plant, that has been used to treat a variety of illnesses, for decades ranging from cancer to skin disorders including wounds. It has been included in the traditional and herbal healthcare systems of many cultures around the world, as well as the pharmacopeia of different countries. Several in vitro and in vivo studies have also confirmed its potential antioxidant, anti-inflammatory, and wound-healing activities, etc. in the consistency of its historical and traditional uses. However, most studies to date are based on the A. vera gel and latex including its wound-healing effects. Very few studies have been focused on its flower, and rarely with its effects on cutaneous wound healing and its molecular mechanism. AIM OF THE STUDY To the best of our knowledge, this is the first study to report on the synergistic effect of the A. vera flower (AVF) and Aloe gel (PAG) on cutaneous wound-healing, as well as revealing its molecular mechanism targeting microfibril-associated glycoprotein 4 (MFAP4) and its associated signaling pathway. METHODS To investigate the synergistic effect of A. vera flower and Aloe gel in cutaneous wound healing, cell viability, and cell migration, as well proliferation assay was performed. This was followed by quantitative real-time polymerase chain reaction and Western blot analyses in wounded conditions to check the effects of this mixture on protein and mRNA levels in normal human dermal fibroblast (NHDF) cells. Moreover, small interfering RNA (siRNA) -mediated knockdown of MFAP4 in NHDF cells was performed followed by migration assay and cell cycle analysis, to confirm its role in cutaneous wound healing. Additionally, HaCaT cells were included in this study to evaluate its migratory and anti-inflammatory effects. RESULTS Based on our obtained results, the PAG and AVF mixture synergistically induced the proliferation, migration, and especially ECM formation of NHDF cells by enhancing the expression of MFAP4. Other extracellular components associated with MFAP4 signaling pathway, such as fibrillin, collagen, elastin, TGF β, and α-SMA, also increased at both the protein and mRNA levels. Subsequently, this mixture initiated the phosphorylation of the extracellular signal-regulated kinase (ERK) and AKT signaling pathways, and the S-phase of the cell cycle was also slightly modified. Also, the mixture induced the migration of HaCaT cells along with the suppression of inflammatory cytokines. Moreover, the siRNA-mediated knockdown highlighted the crucial role of MFAP4 in cutaneous wound healing in NHDF cells. CONCLUSION This study showed that the mixture of PAG and AVF has significant wound healing effects targeting MFAP4 and its associated signaling pathway. Additionally, MFAP4 was recognized as a new potential biomarker of wound healing, which can be confirmed by further in vivo studies.
Collapse
Affiliation(s)
- Sultana Razia
- Department of Life Science, University of Seoul, Seoul, 02504, South Korea; Department of Pharmacy, Jagannath University, Dhaka, 1100, Bangladesh
| | - Hyunsung Park
- Department of Life Science, University of Seoul, Seoul, 02504, South Korea
| | - Eunju Shin
- Univera Co., Ltd., Seoul, 04782, Republic of Korea
| | - Kyu-Suk Shim
- Univera Co., Ltd., Seoul, 04782, Republic of Korea
| | - Eunae Cho
- Univera Co., Ltd., Seoul, 04782, Republic of Korea
| | - Min Chol Kang
- College of Pharmacy, Gachon University, 191 Hambakmoero, Yeonsu-gu, Incheon, 21936, South Korea
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, 191 Hambakmoero, Yeonsu-gu, Incheon, 21936, South Korea.
| |
Collapse
|
6
|
Effects of Monascus purpureus-fermented tartary buckwheat extract on the blood lipid profile, glucose tolerance and antioxidant enzyme activities in KM mice. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
|
7
|
Nalimu F, Oloro J, Peter EL, Ogwang PE. Acute and sub-acute oral toxicity of aqueous whole leaf and green rind extracts of Aloe vera in Wistar rats. BMC Complement Med Ther 2022; 22:16. [PMID: 35031035 PMCID: PMC8760731 DOI: 10.1186/s12906-021-03470-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 11/23/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Several local communities in Central, Western, Eastern, and Northern regions of Uganda have been using the whole leaf extracts of Aloe vera (L.) Burm. f. (Asphodelaceae) in the treatment of various ailments. Also, several commercial companies sell A. vera as soft drinks in Uganda. However, there are inadequate reports on the toxicities of such preparations. This paper reports the acute and sub-acute oral toxicity of aqueous extracts of whole leaf and green rind of A. vera in Wistar rats. METHODS Acute oral toxicity test was carried out in female Wistar rats at doses of 175, 550, 1750, and 5000 mg/kg, p.o. The animals were observed for signs of toxicity for 14 days. Similarly, a sub-acute oral toxicity test was performed in both sexes of rats at doses of 200, 400, and 800 mg/kg, p.o. daily for 28 days. All the groups of animals were monitored for behavioral, morphological, biochemical, and physiological changes, including mortality and compared with respective controls. Body weights were measured weekly while the animals' relative organ weights, hematological, biochemical, gross, and microscopic pathology were examined on day 29. RESULTS There was no mortality or apparent behavioral changes at the doses tested in acute and sub-acute oral toxicity tests. Thus, the Median Lethal Dose (LD50) of green rind and whole leaf aqueous extracts was above 5000 mg/kg. Gross anatomy revealed that the rats' relative spleen weight in green rind extract at 200 mg/kg significantly decreased compared to the control group. The creatinine levels in female rats that received green rind extract and the chloride ion levels in male rats administered whole leaf extract were significantly elevated. Conversely, Mean Corpuscular Hemoglobin Concentration (MCHC) levels significantly decreased at lower doses of the green rind extract compared to the control. Histopathology of the kidney revealed the renal interstitium's inflammation at doses of 200 and 800 mg/kg of the whole leaf extract. CONCLUSION The findings demonstrated that A. vera green rind and whole leaf extracts are non-toxic at relatively high doses when used for a short duration. Prolonged use of the aqueous whole leaf extract might be associated with kidney toxicity.
Collapse
Affiliation(s)
- Florence Nalimu
- Department of Pharmaceutical Sciences, Faculty of Medicine, Mbarara University of Science and Technology, P.O. Box 1410, Mbarara, Uganda.
| | - Joseph Oloro
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Mbarara University of Science and Technology, P.O Box 1410, Mbarara, Uganda
| | - Emanuel L Peter
- Department of Innovation, Technology Transfer & Commercialization, National Institute for Medical Research, Dar es Salaam, Tanzania.,Department of Pharmacy, Faculty of Medicine, Mbarara University of Science and Technology, P.O Box 1410, Mbarara, Uganda
| | - Patrick Engeu Ogwang
- Department of Pharmacy, Faculty of Medicine, Mbarara University of Science and Technology, P.O Box 1410, Mbarara, Uganda
| |
Collapse
|
8
|
Nalimu F, Oloro J, Kahwa I, Ogwang PE. Review on the phytochemistry and toxicological profiles of Aloe vera and Aloe ferox. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021; 7:145. [PMID: 34307697 PMCID: PMC8294304 DOI: 10.1186/s43094-021-00296-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/05/2021] [Indexed: 12/11/2022] Open
Abstract
Background Aloe vera and Aloe ferox have over the years been among the most sought-after Aloe species in the treatment of ailments worldwide. This review provides categorized literature on the phytochemical and scientifically proven toxicological profiles of A. vera and A. ferox to facilitate their exploitation in therapy. Main body of the abstract Original full-text research articles were searched in PubMed, ScienceDirect, Research gate, Google Scholar, and Wiley Online Library using specific phrases. Phenolic acids, flavonoids, tannins, and anthraquinones were the main phytochemical classes present in all the two Aloe species. Most of the phytochemical investigations and toxicity studies have been done on the leaves. Aloe vera and Aloe ferox contain unique phytoconstituents including anthraquinones, flavonoids, tannins, sterols, alkaloids, and volatile oils. Aloe vera hydroalcoholic leaf extract showed a toxic effect on Kabir chicks at the highest doses. The methanolic, aqueous, and supercritical carbon dioxide extracts of A. vera leaf gel were associated with no toxic effects. The aqueous leaf extract of A. ferox is well tolerated for short-term management of ailments but long-term administration may be associated with organ toxicity. Long-term administration of the preparations from A. vera leaves and roots was associated with toxic effects. Short conclusion This review provides beneficial information about the phytochemistry and toxicity of A. vera and A. ferox and their potential in the treatment of COVID-19 which up to date has no definite cure. Clinical trials need to be carried out to clearly understand the toxic effects of these species.
Collapse
Affiliation(s)
- Florence Nalimu
- Pharm-Bio Technology and Traditional Medicine Centre of Excellence, Mbarara University of Science and Technology, Mbarara, Uganda.,Department of Pharmaceutical Sciences, Faculty of Medicine, Mbarara University of Science and Technology, P.O. Box 1410, Mbarara, Uganda
| | - Joseph Oloro
- Pharm-Bio Technology and Traditional Medicine Centre of Excellence, Mbarara University of Science and Technology, Mbarara, Uganda.,Department of Pharmacology and Therapeutics, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Ivan Kahwa
- Pharm-Bio Technology and Traditional Medicine Centre of Excellence, Mbarara University of Science and Technology, Mbarara, Uganda.,Department of Pharmacy, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Patrick Engeu Ogwang
- Pharm-Bio Technology and Traditional Medicine Centre of Excellence, Mbarara University of Science and Technology, Mbarara, Uganda.,Department of Pharmacy, Faculty of Medicine, Mbarara University of Science and Technology, Mbarara, Uganda
| |
Collapse
|
9
|
Andrea B, Dumitrița R, Florina C, Francisc D, Anastasia V, Socaci S, Adela P. Comparative analysis of some bioactive compounds in leaves of different Aloe species. BMC Chem 2020; 14:67. [PMID: 33292458 PMCID: PMC7602344 DOI: 10.1186/s13065-020-00720-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/21/2020] [Indexed: 11/13/2022] Open
Abstract
Although a vast number of Aloe species are known, only the Aloe vera and Aloe arborescens species are currently used by cosmetic and pharmaceutical industries. Therefore, the current study aims to complete the existent literature data with new information on the phytochemical composition of some lesser-known Aloe species, with the main focus on carotenoids and fatty acids. Among the analyzed species, Aloe aculeata and Aloe ferox had the highest content in carotenoids, the major pigments being lutein and β-carotene (according to HPLC analysis). The fatty acid profile of each Aloe species was analysed by GC–MS. Linolenic and linoleic acids were the major polyunsaturated fatty acids found in higher percent in Aloe ferox, Aloe spectabilis and Aloe marlothii. Instead, Aloe aculeata proved to have a distinct fatty acid profile, rich in monounsaturated fatty acids. Species such as Aloe arborescens and Aloe marlothii proved to have the highest antioxidant potential according to data of DPPH, ORAC, HPS assays, even if the richest one in vitamin C was found to be Aloe spectabilis. Though the scientific research is mainly focused on the common species Aloe barbadensis, the current data suggests that other Aloe species could receive more attention from industry part, being great sources of bioactive compounds.![]()
Collapse
Affiliation(s)
- Bunea Andrea
- Faculty of Animal Science and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| | - Rugină Dumitrița
- Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania.
| | - Copaciu Florina
- Faculty of Animal Science and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| | - Dulf Francisc
- Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| | - Veres Anastasia
- Faculty of Animal Science and Biotechnologies, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| | - Sonia Socaci
- Faculty of Food Science, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| | - Pintea Adela
- Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine, Calea Manastur, No. 3-5, 400372, Cluj-Napoca, Romania
| |
Collapse
|
10
|
Martínez-Sánchez A, López-Cañavate ME, Guirao-Martínez J, Roca MJ, Aguayo E. Aloe vera Flowers, a Byproduct with Great Potential and Wide Application, Depending on Maturity Stage. Foods 2020; 9:foods9111542. [PMID: 33114533 PMCID: PMC7693977 DOI: 10.3390/foods9111542] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 01/18/2023] Open
Abstract
Flowers of Aloe vera are a byproduct providing a valuable source of bioactive compounds with different functions for health benefits. The characterization in amino acids, organic acids, sugars, trigonelline, volatiles compounds, fatty acids, total phenolic, carotenoids, vitamin C content, and antioxidant capacity of Aloe flowers (Aloe barbadensis Miller) has been studied at three maturity stages (I: immature; II: mature; III: mature, with flowers buds opened). Immature flowers presented the highest content in phenyl alanine, tyrosine, citric acid, trigonelline, carotenoids, retinol activity equivalent, vitamin C, and total phenolic and antioxidant capacity. As the flower develops, the content of these compounds decreases. Aloe vera flowers presented an important content in fatty acids, and the principal concentration was identified in polyunsaturated unsaturated fatty acids (PUFAs) as α-linolenic acid, and linoleic acid, with a ratio close to one. The main saturated fatty acid was palmitic acid, followed by stearic acid. Maturity stage III showed the lowest fatty acid content. The bioactive compounds found in Aloe vera flowers have potential applications in the cosmetic, pharmaceutical, nutraceutical, and food industries. Depending on the compound of interest, it could be worthwhile harvesting flowers at maturity stage I, thereby reducing the energy consumption of flowers from the plant and thus favoring plant development. This is an example of a circular economy for Aloe vera producers, generating economic and business opportunities and thus providing environmental and social benefits.
Collapse
Affiliation(s)
- Ascensión Martínez-Sánchez
- Food Quality and Health Group, Institute of Plant Biotechnology, Universidad Politécnica de Cartagena (UPCT), Campus Muralla del Mar, 30202 Cartagena, Spain; (A.M.-S.); (M.E.L.-C.); (J.G.-M.)
- Postharvest and Refrigeration Group, Escuela Técnica Superior de Ingeniería Agronómica (ETSIA), UPCT, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - María Elena López-Cañavate
- Food Quality and Health Group, Institute of Plant Biotechnology, Universidad Politécnica de Cartagena (UPCT), Campus Muralla del Mar, 30202 Cartagena, Spain; (A.M.-S.); (M.E.L.-C.); (J.G.-M.)
| | - Josefa Guirao-Martínez
- Food Quality and Health Group, Institute of Plant Biotechnology, Universidad Politécnica de Cartagena (UPCT), Campus Muralla del Mar, 30202 Cartagena, Spain; (A.M.-S.); (M.E.L.-C.); (J.G.-M.)
| | - María José Roca
- Servicio de Apoyo a la Investigación Tecnológica (Support Service for Technological Research), UPCT, Campus Muralla del Mar, 30202 Cartagena, Spain;
| | - Encarna Aguayo
- Food Quality and Health Group, Institute of Plant Biotechnology, Universidad Politécnica de Cartagena (UPCT), Campus Muralla del Mar, 30202 Cartagena, Spain; (A.M.-S.); (M.E.L.-C.); (J.G.-M.)
- Postharvest and Refrigeration Group, Escuela Técnica Superior de Ingeniería Agronómica (ETSIA), UPCT, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
- Correspondence: ; Tel.: +34-968-325750
| |
Collapse
|
11
|
Appraisal of the Antioxidative Potential of Aloe Barbadensis M. on Alcohol-Induced Oxidative Stress. FOLIA VETERINARIA 2019. [DOI: 10.2478/fv-2019-0025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Abstract
This investigation estimated the anti-oxidative potential of Aloe barbadensis gel extracts in rats against alcohol-induced oxidative stress. Thirty male albino rats (5 each per group) were included in the experiments. Group A (positive control) and B (negative control) were administered 4 mg.kg–1 body weight distilled water and 50 % alcohol respectively for 21 days. Groups C and D were administered 50 % alcohol for the first 14 days followed by co-administration of 125 mg and 250 mg.kg−1 body weight extract with alcohol respectively for the last 7 days. Groups E and F were administered distilled water for the first 14 days followed by co-administration of 125 and 250 mg.kg−1 body weight Aloe barbadensis gel extracts with distilled water respectively for the last 7 days. The administration of alcohol resulted in a significant (P < 0.05) decrease in the specific activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR) and reduced glutathione (GSH) levels, while cholesterol (CHO), triglycerides (TAG), nitric oxide (NO) and malondialdehyde (MDA) concentrations were significantly increased when compared to the controls. Co-mobilization with Aloe barbadensis gel extracts for 7 days significantly reversed the deleterious effects of alcohol in the treated groups when compared to the alcohol group. This study indicated that Aloe barbadensis probably possesses anti-oxidative effects against alcohol–induced oxidative stress in rats.
Collapse
|
12
|
Dong ZL, Wang YW, Song D, Wang WW, Liu KB, Wang L, Li AK. Effects of microencapsulated probiotics and plant extract on antioxidant ability, immune status and caecal microflora in Escherichia coli K88-challenged broiler chickens. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1664419] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Z. L. Dong
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
- Hunan International Joint Laboratory of Animal Intestinal Ecology and Health, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, Hunan, People’s Republic of China
| | - Y. W. Wang
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| | - D. Song
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| | - W. W. Wang
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| | - K. B. Liu
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| | - L. Wang
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| | - A. K. Li
- Academy of National Food and Strategical Reserves Administration, Beijing, People’s Republic of China
| |
Collapse
|
13
|
Hęś M, Dziedzic K, Górecka D, Jędrusek-Golińska A, Gujska E. Aloe vera (L.) Webb.: Natural Sources of Antioxidants - A Review. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2019; 74:255-265. [PMID: 31209704 PMCID: PMC6684795 DOI: 10.1007/s11130-019-00747-5] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Many studies have proved that bioactive components of Aloe vera have an anti-inflammatory effect and support lipid and carbohydrate metabolism, helping to maintain normal sugar and cholesterol levels in blood and normal body weight. When aloe is applied externally, it accelerates the regeneration of the damaged skin. Aloe contains antioxidants, which may increase the shelf-life and nutritional value of food; therefore, it is widely used in cosmetic, pharmaceutical and food industry. An antioxidant activity was shown for leaf's skin, flowers and gel of aloe. In this work the future of A. vera as effective antioxidants is primarily discussed and expected trends are summarised. Furthermore, the bioactive components and the health-promoting effects of A. vera are investigated.
Collapse
Affiliation(s)
- Marzanna Hęś
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland
| | - Krzysztof Dziedzic
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland.
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572, Poznań, Poland.
| | - Danuta Górecka
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland
| | - Anna Jędrusek-Golińska
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624, Poznań, Poland
| | - Elżbieta Gujska
- Department of Commodity Sciences and Food Analysis, University of Warmia and Mazury in Olsztyn, Plac Cieszyński 1, 10-957, Olsztyn, Poland
| |
Collapse
|
14
|
Li X, He S, Gao C, Deng H, Liu Y, Li C, Yuan L, Luo Y. Isoorientin attenuates benzo[a]pyrene-induced liver injury by inhibiting autophagy and pyroptosis in vitro and vivo. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1638888] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Xueyi Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Shenyuan He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Chunxia Gao
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Hong Deng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Yongfeng Liu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Cuiqin Li
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Li Yuan
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Ying Luo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, People’s Republic of China
| |
Collapse
|
15
|
Kurizaki A, Watanabe T, Devkota HP. Chemical Constituents From the Flowers of Aloe arborescens. Nat Prod Commun 2019. [DOI: 10.1177/1934578x19844135] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
(3 R)-3,4-Dihydro-6,8-dihydroxy-3-(2'-acetyl-3'- O-β-d-glucopyranosyl-5'-hydroxyphenyl)methyl-2(1 H)-benzopyran-1-one (feralolide-3’- O-β- d -glucopyranoside, 1), feralolide (2), aloe-emodin (3), feroxidin (4), and chlorogenic acid (5) were isolated from the 70% EtOH extract of flowers of Aloe arborescens. Structures of these compounds were elucidated on the basis of physical and spectral data. Absolute structure of 1 was determined on the basis of circular dichroism spectra for the first time.
Collapse
Affiliation(s)
| | | | - Hari Prasad Devkota
- School of Pharmacy, Kumamoto University, Japan
- Program for Leading Graduate Schools, Health Life Science: Interdisciplinary and Glocal Oriented (HIGO) Program, Kumamoto University, Japan
| |
Collapse
|
16
|
Debnath T, Kim EK, Das G, Nath NCD, Lee KG. Protective effect of oat (Avena sativa) bran extracts on acute hepatic liver damage in mice. FOOD AGR IMMUNOL 2018. [DOI: 10.1080/09540105.2018.1541169] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Trishna Debnath
- Department of Food Science and Biotechnology, Dongguk University, Goyang, Republic of Korea
| | - Eun-Kyung Kim
- Division of Food Bioscience, College of Biomedical and Health Sciences, Konkuk University, Chungju, Republic of Korea
| | - Gitishree Das
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Korea
| | - Narayan Chandra Deb Nath
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Gyeonggi-do, Korea
| | - Kwang-Geun Lee
- Department of Food Science and Biotechnology, Dongguk University, Goyang, Republic of Korea
| |
Collapse
|