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Chemical Profile and Cytotoxicity Activity of Stem-bark of Anacardium occidentale
Shehu, Abdullahi,Ponnapalli, Mangala Gowri,Mahboob, Mohd,Prabhakar, Pitta Venkata,Olatunji, Gabriel Ademola The Korean Society of Pharmacognosy 2022 Natural Product Sciences Vol.28 No.2
Column chromatographic fractionation of the methanol and ethyl acetate extracts of the stem-bark of Anacardium occidentale led to the isolation of five compounds (1-5). Their structures were determined by spectroscopic means by comparing spectral data to be β-sitosterol (1), 2,4-dihydroxy acetophenone (2), 1-monolinolein (3), ethyl oleate (4) and β-sitosterol-3-O-β-D-glucopyranoside (5). These compounds were evaluated for cytotoxicity against human cancer cell lines: A549, SCOV3 and rat normal cell line NRK49f. Compounds 2-5 were for the first time isolated from A. occidentale.
Aisha Aminu,Hauwa Onozasi Umar,Wusa Makena,Zakaria Alhaji Isa,Zainab Muhammad Goni,Onyinoyi Bethel Onimisi,Barka Ishaku 환경독성보건학회 2023 환경독성보건학회지 Vol.38 No.4
Lead (Pb) poisoning is an environmental substance that accumulates in the hepato-renal tissue, which is hazardous to health, while Anacardium occidentale L. is a tropical herb used to treat oxidative stress and inflammatory diseases. The aim of this study was to investigate the antagonistic effect of Anacardium occidentale leaf extract on lead acetate exposure-induced hepatorenal toxicity in rats. Thirty-six adult Wistar rats were split into six equal groups (n = 6). Group I served as a control, and groups II and III were administered lead acetate (50 mg/kg) and Anacardium occidentale leaf extract (400 mg/kg), respectively, while rats in groups IV–VI were administered Anacardium occidentale (L) extract (200 mg/kg and 400 mg/kg) and 10 mg/kg of Succimer, respectively, and were then administered lead acetate (50 mg/kg). When compared to the group I, rats administered lead acetate showed an increase in hepatic enzymes, urea, creatinine, MDA, TNF-α, and IL-1β (p < 0.001) levels and decreased levels of SOD, CAT, and GSH, whereas Anacardium occidentale prevented the increase in hepatorenal function parameters, oxidative stress, and inflammatory markers (TNF-α and IL-1β) induced by lead acetate. Rats administered only lead acetate had a marked increase in hepatic Pb concentration, severe hepatic steatosis, and renal glomerulus degeneration. However, treatment with Anacardium occidentale extract and succimer decreases the Pb concentration, oxidative stress, and inflammation, and also reduces histological liver steatosis and glomerular cytoarchitecture deterioration in the kidney. The results of this study revealed that Anacardium occidentale extract protects against lead acetate-induced liver and kidney toxicity by decreasing oxidative stress and inflammation.
Olawale Mashood Aliyu,Oluwayemisi Oluwatosin Adeigbe,Joshua Adedokun Awopetu 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.2
The problem of declining tree yield has led to an investigation into the effectiveness of foliar application of exogenous hormones to improve flowering, fruit set, and fruit retention in cashew. Five exogenous hormones, one Gibberellic Acid (GA3) and four Auxins (IAA, IBA, NAA, and 2,4-D) at seven different rates of application (0 mg L^(-1) , 10 mg L^(-1) , 25 mg L^(-1) , 50 mg L^(-1) , 100 mg L^(-1) ,250 mg L^(-1) , and 500 mg L^(-1) ) were tested on six yield-related components of the two Brazilian cashew genotypes. This trial was a factorial split-split-plot design with each treatment replic ated five times within a tree and three replications (three trees) per genotype. Responses varied significantly between exogenous hormones, concentrations and genotypes. The cashew plants used showed hormone-specific and optimum concentration response patterns. Of the five exogenous hormones tested, GA3 was most effective as its application at 50 - 100 mg L^(-1) gave five-fold improvements in flowering (precocity and number of hermaphrodite flowers) and fruiting,and about 69% increase in fruit retention ability and 25% in nut size. Panicles treated with GA3 also produced relatively bigger nuts compared to the untreated. Days to flowering was found to be hormone sensitive, while production of hermaphrodite flowers,fruit set, and nut development tended to be concentration specific. The GA3 exhibited a broad concentration tolerance among the five exogenous hormones investigated. Our data showed that using GA3 at 50 mg L^(-1) will enhance flowering precocity, shorten flowering duration, increase production of hermaphrodite flowers and fruit set significantly, and resultant nuts develop optimally with high percentage retention. Thus, it suggests cashew yield could be increased by exogenous foliar application of GA3 at 50 - 100 mg L^(-1) at preblooming stage.
Modelling the coag-flocculation kinetics of cashew nut testa tannins in an industrial effluent
N.J.N. Nnaji,J.U. Ani,L.E. Aneke,O.D. Onukwuli,U.C. Okoro,J.I. Ume 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
The coagulant behaviour of tannins of Anacardium occidentale (CANTETA) testa was assessed for the removal of suspended solids from a fibre-cement industry effluent. A series of flocculation experiments were conducted to examine the optimal concentration of the coagulant together with the pH of the effluent needed to obtain the best results. The results showed that CANTETA have significant flocculation properties particularly at lower doses and in alkaline medium. Optimum efficiency for TSS removal was 84% with 100 mg/L CANTETA at initial effluent pH of 12. The kinetics of the coagulation process suitably fits the second order kinetic model.
이보담(Bo Dam Lee),정윤경(Yoon Kyung Chung),김다희(Da Hee Kim),김미리(Mee Ree Kim) 동아시아식생활학회 2020 동아시아식생활학회지 Vol.30 No.6
This study examined the storage characteristics of Sulgidduk with the addition of 0, 6, 12, or 15% cashew powder rich in lipids. Sulgidduk was stored at 20℃ for 3 days. The moisture content, soluble solid content, pH, textural properties, differential scanning calorimetry (DSC), and sensory properties were measured. The moisture content of the control was higher than that of the cashew powder additive groups on the day of manufacture but the moisture content of all the samples decreased with time. However, the moisture reduction range was lower in the cashew powder additive groups. Thus the firmness of the rice cake seemed to improve with the addition of cashew powder. The soluble solid content (°Brix) increased as the quantum of cashew powder increased. The more the cashew powder is added, the less acidic the pH is, which in turn inhibited aging. The textural properties observed by texture profile analysis (TPA) showed that hardness, gumminess, and chewiness decreased as the amount of cashew powder increased. This is because the cashew powder increases the softness due to its vegetable oil content. Although the textural values increased during the storage period, the addition of cashew powder was thought to improve the storability of rice cakes as the cashew powder additive groups showed a smaller increase of textural values than the control. As a result of the analysis of the aging characteristics by DSC, the cashew powder additive groups were found to have a smaller enthalpy change (△H) than the control on day 0 and day 3 of storage, thus suppressing the aging of Sulgidduk. In the sensory property test, Sulgidduk with cashew had higher color, cashew flavor, cashew taste, and sweetness and conversely, hardness, chewiness was lower in Sulgidduk with cashew. From these results, it appears that adding up to 15% cashew powder to the Sulgidduk delayed the retrogradation of the rice cake.