Rice Bran Extract
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2021 ◽  
Vol In Press (In Press) ◽  
Author(s):  
Mahdi Jufri ◽  
Afifah Vardhani ◽  
Erni Purwaningsih

Background: Ultraviolet exposure is an extrinsic factor to initiate melanogenesis, the process of melanin formation in the skin. Nowadays, natural ingredients tend to be more prevalent in cosmetic formulations due to consumers’ concern about synthetic ingredients and the risks they may represent for human health. Rice bran, the outer layer of a rice grain, can be utilized as a skin-lightening agent. Objectives: This study aimed to determine the efficacy of a lotion containing black rice bran (Oryza sativa L. indica) ethanolic extract as a skin lightening agent. Methods: The black rice bran ethanolic extract was formulated into oil in water (o/w) lotion. In this study, 34 women applied the lotion at one side of the forearm and base placebo lotion as control at the other side of forearm. The results were tested with a paired t-test by GraphPad Prism 8.3.0 software. Results: There was a significant decrease in the melanin index and erythema index in the forearm with a lotion containing black rice bran extract (P-value < 0.0001). Conclusions: The lotion containing 10% black rice bran extract was effective as a skin lightener because it effectively reduced skin melanin production when applied topically.


LWT ◽  
2021 ◽  
pp. 112128
Author(s):  
Sara Martillanes ◽  
Javier Rocha-Pimienta ◽  
Rosario Ramírez ◽  
Jesús García-Parra ◽  
Jonathan Delgado-Adámez

Author(s):  
Shimaa Saad El-Din ◽  
Sahar Abd Elwahab ◽  
Laila Rashed ◽  
Salwa Fayez ◽  
Basma Emad Aboulhoda ◽  
...  

Author(s):  
Saghar Hatami ◽  
Naser Tajabadi ◽  
Ramona Massoud ◽  
Anousheh Sharifan
Keyword(s):  

2021 ◽  
Vol 14 ◽  
Author(s):  
Sachin Kumar ◽  
Puneet Kumar

Background: Neurodegenerative diseases have become the rising cause of various disabilities worldwide, followed by aging, including Parkinson’s disease (PD). Parkinson’s disease is a degenerative brain disorder distinguished by growing motor & non-motor failure due to the degeneration of medium-sized spiked neurons in the striatum region. Rotenone is often employed to originate the animal model of PD. It is a powerful blocker of mitochondrial complex-I, mitochondrial electron transport chain that reliably produces Parkinsonism-like symptoms in rats. Rice bran (RB) is very rich in polyunsaturated fatty acids (PUFA) and nutritionally beneficial compounds such as γ-oryzanol, tocopherols, and tocotrienols and sterols are believed to have favorable outcomes on oxidative stress & mitochondrial function. Objective: The present study has been designed to explore RB extract’s effect against rotenone-induced neurotoxicity in rats. Method: In the present study, Rotenone (2 mg/kg, s.c) was administered systemically for 28 days. The hexane extract of RB was prepared using Soxhlation. Hexane extract (250 & 500 mg/kg) was administered per oral for 28 days in rotenone treated groups. Behavioral parameters (grip strength, motor coordination, locomotion, and catalepsy) were conducted on the 7th, 14th, 21st, and 28th day. Animals were sacrificed on the 29th day for biochemical estimation in the striatum and cortex. Result: This study demonstrates significant alteration in behavioral parameters, oxidative burden (increased lipid peroxidation, nitrite concentration, and decreased glutathione, catalase, SOD) in rotenone treated animals. Administration of hexane extract of RB prevented the behavioral, biochemical alterations induced by rotenone. The current research has been sketched to inspect RB extract’s effect against rotenone-developed neurotoxicity in rats. Conclusion: The findings support that PD is associated with impairments in motor activity. The results also suggest that the nutraceutical rice bran that contains γ-oryzanol, Vitamin-E, ferulic acid etc., may underlie the adjuvant susceptibility towards rotenone-induced PD in experimental rats.


2020 ◽  
Vol 2020 ◽  
pp. 1-1
Author(s):  
Naphatsanan Duansak ◽  
Pritsana Piyabhan ◽  
Umarat Srisawat ◽  
Jarinyaporn Naowaboot ◽  
Nusiri Lerdvuthisopon ◽  
...  


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