Download >>> https://fancli.com/20ivd5
Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .... The results obtained indicated that the kinetics of adsorption were pH, adsorbent ... both tea leaves waste and granular activated compound showed a good fit to the ... Discussion period open until October 1, 2015; discussion can ... Aliquots of the samples were collected at different time ... Gibbs free energy.. by M Kopjar · 2015 · Cited by 38 — and 2,2′azinobis-(3-ethylbenzthiazoline-6-sulphonic acid (ABTS) free radicals. ... sample with free radicals. Extracts obtained by extraction of pulverised tea leaves with acidified methanol had ... Also, antioxidant activity of samples highly depended on used free radicals ... On the basis of different studies, it is evident that .... Solution Project Determination Of Caffeine In Tea Samples Project ... Projects Free Download cbse project on chemistry winning chemistry project ideas cool ... April 15th, 2019 - How do I test the acidity of different tea leaves in a chemistry lab ... chemistry for 12th standard The Education Discussion Forums.. by JC Too · 2015 · Cited by 20 — It is the main free amino acid in teas representing as much ... This study aimed at determining theanine levels in different partitions of the tea shoot ... Samples comprising three leaves and a bud were randomly collected (hand .... study of acidity of different samples of tea leaves pdf — PDF | The chemistry of tea as a ... of the free amino acid fraction of tea leaf .... Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .. by C Das · Cited by 1 — deprived of various tea brewing facilities like electricity, fuel etc and hence they ... and free radical scavenging activity of cold brewed tea and compared ... It is also observed that mg Ascorbic Acid Equivalent ... Phytochemical screening of tea leaves have ... Table 1: Tea Samples used for the present Study.. Acid Content in the Various Samples of Tea Leaves. Chemistry Project on Environmental Chemistry. Determination Of The Contents Of Cold Drinks. Sterilization .... Get Sample PDF (including Covid-19 impact) of Ready to Drink Tea and Ready to Drink ... sales price, import-export analysis in different regions are listed from 2020-2027. ... Get Table Of Contents of This Premium Research For Free ... Global Plant Growth Regulators Market Size, Growth, Revenue, Global .... by S Pastoriza · 2017 · Cited by 60 — Depending on the processing of the leaf, various types of tea are obtained, such as ... major fraction is enzymes (polyphenoloxidases and lipoxygenase).1 (2) Free ... catechins in the diet.20–22 The content of phenolic acids (gallic acid, benzoic ... Almajano et al.8 observed a neuroprotective effect of white tea in a study with .... by G Schwalfenberg · 2013 · Cited by 57 — Free to read & use ... An acid or alkali soil pH also enhances leaching of toxic heavy metals from the soil [2]. ... The four types of tea sampled in this study are white, green, oolong, and black tea. ... All tea leaves were analyzed to determine the presence or absence of metals. All teas ... Claim to ORCIDOpen PDFGet citation .... day of defeat source free download pc game full version torrent · Film La Vita Di ... Study Of Acidity Of Different Samples Of Tea Leaves Pdf Free. Docker Pull .... by G Schwalfenberg · Cited by 57 — An acid or alkali soil pH also enhances leaching of toxic heavy metals from the soil [2]. ... All teas used were in tea bags used for brewing in individual cups. The four types of tea sampled in this study are white, green, oolong, and black tea. ... resistance by improving oxidative stress,” Free Radical Biology and Medicine, vol.. Tea Acidity - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ... Tea is made from young leaves and buds of tea plant. Tea leaves ... It has been extensively studied in people, animals, and laboratory ... risk of heart disease, stroke & certain types of cancer link, pancreatic and prostrate.. by K Kinabalu · 2013 · Cited by 78 — sinensis leaves from Sabah Tea Plantation in Sabah, Malaysia. Abstract. This study was conducted to determine the total phenolic (TPC) and total flavonoid content. (TFC) as well as the ... acid)] decolorization assays conducted showed that green tea has ... sample was added to 2000 µl of ABTS free radical cation solution.. Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .. A comprehensive .... by HN Wanyika · 2010 · Cited by 138 — In this study, the levels of caffeine in certain coffee ... in tea samples was found as follows: chai mara moja > finlays premium > kericho gold > sasini. In ... naturally occurring substance found in the leaves, seeds ... many other factors have a significant impact on tea and ... levels of free fatty acids and glucose in the plasma.. In Vitro Cellular & Developmental Biology-Plant 37:786–793. ... Changes in free amino acids and osmotic adjustment in leaves of water-stressed bean. ... Brewing effect on levels of biogenic amines in different coffee samples as ... Conversion of glutamic acid to γ-aminobutyric acid in tea leaves under anaerobic conditions.. Tea, which made from the fresh leaves of tea plant (Camellia sinensis), is one of the mostly used daily beverage ... sample immediately and the other batch left to pan- red for different durations. ... analysis to determine concentrations of individual catechins and free amino acid compounds from a sub-sample of tea samples.. by M ADNAN · 2013 · Cited by 81 — contents were observed in green tea samples while highest percentage of ash and water ... curing the leaves by applying water in hot form (Xiao et ... Sample collection and preparation: Different brands of tea ... Physicochemical analysis of tea samples: The moisture ... determined by digesting samples in 1.25% sulfuric acid.. KEYWORDS;Carbonated-drinks, Analysis, Extraction, Additive, Determination, Caffeine. ... It is also increase heartbeat rate, dilate blood vessels and elevate levels of free ... types of Japanese green teas, Matcha and Sencha, both high and low grades ... method for determining caffeine in tea leaves includes its quickness, .... by S Shahrzad · 2001 · Cited by 316 — PDF; Split View ... For a bioavailability study involving tea GA, we determined free and bound GA in different kinds of tea. ... The results of comparisons of different tea samples showed that Assam black tea brew contained the ... (The brew of 25 g tea leaves extracted with 500 mL hot water contained 2.35 ± 0.08 and 0.18 .... by G Pinto · 2020 · Cited by 2 — profile of tea leaves subjected to different fermentation processes; (ii) to ... position 3 with gallic acid strongly decreases the values of standard reduction potentials displaying the higher antioxidant activity as the free radical scavenger [12]. ... Solvents used for the sample preparation and LC/MS/MS analysis .... Study Of Acidity Of Different Samples Of Tea Leaves Pdf Free ((HOT)) 編集する. 最終更新： prespullicho 2020年08月03日(月) 21:09:25履歴 .... Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .... unique amino acid GABA in tea leaves.9 GABA, as a nonproteinogenic amino ... content of GABA in green tea and other types of tea. Tsushida.. In this study, the levels of caffeine in certain coffee (nescafe, africafe, ... The order of caffeine concentration in tea samples was found as follows: chai ... naturally occurring substance found in the leaves, seeds ... many other factors have a significant impact on tea and ... levels of free fatty acids and glucose in the plasma.. by L Zhang · 2019 · Cited by 56 — Although there have been multiple studies about the tea chemistry and biological ... sis fresh leaves exclusively contain a nonprotein amino acid, L- theanine, also ... on tea types, and also on the tea grades (Tao, Zhou, Zhao, &. Wei, 2016). ... thesis of caffeine, some caffeine-free tea plants are usually used as the control .... by E Wahifiyah · 2018 · Cited by 1 — leaves (Camellia sinensis L.) and storage time on the content of free fatty acid in palm oil. The dried ... obtained was added to crude palm oil with various added mass of the extract and various ... study include crude palm oil, dried tea leaves, ethanol, distilled water, cotton, oxalic acid, KOH and ... Furthermore, the samples.. Here are 26 different types of tea alongside their profiles, potential ... The classification of this tea depends on how the plant's tea leaves ... There is very limited research on potential health effects of the drink. ... One of the reasons for the sour taste is the high acid content of hibiscus, with the tea containing .... by YK Kim · 2009 · Cited by 7 — study. The chemical compositions of the green tea extracts and infusions were different according to their processing methods and extraction conditions, including catechins, caffeine, and free amino acids ... that amino acid content is positively related to the flavor ... Materials Seven different loose-leaf green tea samples.. determine caffeine in tea samples and estimate the acid content present in tea leaves are the major objectives of this study.Red Label Tea (Brooke Bond), AVT .... by H Kartika · 2006 — Chapter 4: Summary and Future Research. ... Plantation, Inc., for the financial support and providing all of the Mamaki samples for ... Concentration of (+) Catechins, Chlorogenic Acid, and Rutin ... Mamaki and Other Commercial Tea Leaves. ... phytophenolics are potent antioxidants in scavenging free radicals and inhibiting .... Request PDF | Rapid determination of caffeine in tea leaves | For the purpose of ... column could be used for the analysis of more than 2000 samples. ... Join for free ... A harmonized HPTLC method for identification of various caffeine ... (w/v) trichloroacetic acid and centrifugation at 10,000 rpm for 15 min.. Home-brewed teas aren't as acidic as fruit juices and other drinks. ... Read on to learn which types are the most acidic and the best ways to protect ... But a Turkish study did discover that fruit teas, which tend to be sweet, are more acidic than ... Get your results in 2-5 days from an accredited laboratory with free shipping, .... by NHMR Mozumder · 2020 · Cited by 3 — Although 1H NMR-based metabolomic study with different types of teas provides much useful information for producing distinct tea products, .... Therefore different samples of tea dust and leaf were extracted by TEM. All black tea ... Central Food Technological Research Institute, Council of Scientific and Industrial Research, ... phosphate-anhydrous, oxalic acid, dihydrogen phosphate and ... Free radical scavenging activity was measured by the 1,1-.. by D KomeS · Cited by 71 — The aim of this study was to determine the content of caffeine in five types of tea (white, yellow, green, oolong, black) and two types of maté tea ... tions with 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) radical (ABTS assay) ... (3.5%), maté tea leaves (0.89–1.73%), coffee beans ... Free Radical Biology & Medicine, 26:.. All types of tea come from the same basic plant, the Camellia Sinensis plant. The differences between teas arise from processing, growing conditions, and .... by SAV TFOUNI · 2018 · Cited by 11 — Tea health benefits have been widely studied and there are scientific ... taste, contributing to the acidity and conferring astringency and ... Brands and batches of 4 types of teas were analyzed for ... For the infusion sample preparation, 0.75 g of tea leaves was ... effects of green tea polyphenol on free radical initiated and.. TO CALCULATE THE ACIDITY OF DIFFERENT SAMPLES OF TEA LEAVES AND TO. EXTIMATE THE AMOUNT OF GLYCOXIDE ALATED COMPOUNDS : e.g. .... Oct 21 2011 Study the acidity of different samples of tea leaves Unanswered ... Acidity of Tea Leaves Free download as Word Doc doc docx PDF File pdf Text.. Briefly, ground tea leaves samples (1 g) each of fresh and withered leaves ... Total free amino acids (%) of Camilla sinensis leaves at different .... by N Amaresh · 2011 · Cited by 12 — This review article focused on chemistry and pharmacology and various methods of preparation of caffeine in different types of tea leaves. Keywords: Analysis of .... Save this PDF as: ... In this study, we developed green tea with reduced caffeine content (low ... To reduce the tea s caffeine content, we subjected the plucked tea leaves to a ... The concentrations of other main components, such as catechins and ... of caffeine, theobromine, and gallic acid in commercial tea samples.. Background: The aim of this study was to determine the levels of cadmium (Cd), ... (2) processed (black) tea leaves and (3) soils from tea plantations originating from Ban... ... used to evaluate six digestion methods, (1) nitric acid, (2) nitric acid overnight, ... The heavy metal transfer factors in the investigated soil/tea samples .... by K Boros · 2016 · Cited by 33 — The quantitative analysis of caffeine and theanine is essential to assess the ... The dried leaves of tea shrub contain 1–2% theanine as free amino acid and up to ... leaves, the main types of tea are green, white, oolong, black, and pu-erh teas.. different chromatographic methods used for tea analysis is provided here. ... Tea contains also significant amounts of gallic acid and caffeine, as well as small ... The samples were prepared as follows: 0.5 g of tea leaves were placed in a ... Direct Determination of Free Amino Acids and Sugars in Green Tea.. Study Of Acidity Of Different Samples Of Tea Leaves Pdf Free ->->->-> https://fancli.com/1lw2wf.. by A Prkić · 2017 · Cited by 5 — The concentrations of Cd, Ca, Cu, Fe, Pb, Mg and Mn in 11 different samples of ... The analysis showed that the content of toxic metals in herbal teas was below the ... Tea leaf samples were digested in a closed microwave system, CEM Model ... Each sample was put in Teflon® vessels with 4 mL of nitric acid and 2 mL of .... Construction Company Profile Sample free download and preview, download free ... To study the acidity of different tea samples A PROJECT REPORT. ... Bees are accommodated in artificial leaves, where they live comfortably with in easy .... by LS RAMÍREZ-ARISTIZABAL · 2017 · Cited by 13 — 14.63 mg GAE/ g sample for cold tea extract and 29.34 - 55.06 mg GAE/g sample for hot tea extract. The TFC ... process in which leaves are cut and twisted to break ... catechins, caffeine, and Gallic acid was designed. ... study the effect of different extraction temperatures ... the 1, 1-diphenyl-2-picrylhydrazyl (DPPH) free-.. by Y KC · Cited by 3 — Both types of tea (green and black) from Gumti were significantly ( ) higher having ... Moisture, water extract, total ash, acid-insoluble ash, and crude fiber content in tea ... Thus, this research is focused on chemical profiling of tea leaves and ... employing DPPH free radical scavenging method [29], and the result showed that .... by DV Bermejo · 2012 · Cited by 47 — Another plant that contains caffeine is green tea (Camel- lia sinensis), which has been ... and the caffeine-free water goes back in contact with the beans and is ... and Oreopoulou, 2011), the extraction of -linolenic acid from. Spirulina ... a 20 L sample loop and diode array detector was employed in the study. All the modules .... by E Ivanišová · 2018 · Cited by 1 — 3 Research Centre AgroBioTech, Faculty of Biotechnology and Food ... powder. The amino acid composition in samples, including in the control sample was ... tea leaves make up to 30% of green tea, but only 10% of ... The free radical scavenging activity assay dem- ... than in other studies, which was due to high stability of.. by MK Kumar · Cited by 5 — in Green Tea and analysis of different samples is offered. ... Caffeine ,a plant –based alkaloid can be found in tea ,coffee and ... by protecting cell from free radical damage .it also helps in keeping ... tested, Taj Mahal and 3 Roses Tea showed a pH of 5.1, which ranks both products as having the highest pH.. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... Lab 1 Osmosis and Diffusion Pre Lab - [PDF Document] Lib I AP Biology: ... Mass of weighing paper plus alum sample = 1. ... In this experiment, we shall use acid-base titration to. ... Isolation of Caffeine from Tea Leaves By: Julia Trimble.. Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .. Tea can be described as an agricultural plant, that is industrially ... All these activities cause different outcomes in the pH value of the beverage.. the 10 fresh tea leaf samples . Download PDF.Download ePub.Sensitive Determination of Catechins in Tea by HPLC. . and routine analysis ofcatechins in different .... by H Li · 2018 · Cited by 27 — The oxalic acid method was performed as previously described for the determination of AsA levels in tea leaves. Briefly, each fresh sample (200 .... ibge.gov.br/visualizacao/livros/liv50063.pdf.. Aim of the Experiment -. Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different .... by MH Rashid · 2016 · Cited by 40 — The heavy metal transfer factors in the investigated soil/tea samples decreased as follows: Cd > As > Se > Pb. Overall, the present study gives .... Tea leaves are abundant natural sources of polyphenols which get oxidized during ... In this study tannin content in various types of tea has been assessed by .... by A Gramza · 2005 · Cited by 95 — in free radical production either by exogenous radicals such as radiation ... Research has shown that all types of or- gans and ... source is tea leaves (Camelia sinensis L.), consisting of ... iazoline-6-sulphonic acid) diammonium salt (ABTS).. CHEMISTRY PROJECTTo Compare the Water Soluble Polyphenol Content in Various samples of Tea leaves By V. Krithika Tea.... by N Safdar · 2016 · Cited by 11 — In this study, three brands of green tea collected from different ... tannins and proteins were found in all tea types with varying strength due to ... Camellia sinensis, tea plant is aboriginal to Southeast ... Antioxidants can efficiently neutralize the free ... The carotenoids, tocotrienols, flavonoids, cinnamic acid,.. Determination of Caffeine in Tea Samples ACKNOWLEDGEMENTS First of all T would like to thank my ... Research Scholar Department of Chemistry, TTT Roorkee for his contribution in this study. ... File Type: PDF ... in this project we will study and observe the quantity of caffeine varying in different samples of tea leaves.. All types of tea—white, yellow, green, oolong, dark, black, and ... them.2 The older individual tea leaves get, the more fluoride they can absorb. ... a study in the United Kingdom of economy supermarket-branded teas. ... ://www.ars.usda.gov/ARSUserFiles/80400525/Data/Fluoride/F02.pdf; ScienceDirect.. by F Torrens · 2018 · Cited by 2 — The elemental analysis of 11 teas consumed in Turkey is clustered by ... Leaves' metallic composition is different according to the type and geological source [4]. ... Microwave digestion less contaminates a sample, minimises volatile analyte ... Effects of a catechin-free fraction derived from green tea on gene expression of .... by N Ohanessian · 2009 — Wikis: Energy Drink Market-Marketing Research, 2009 to a safe performance ... The sugar free versions of these energy drinks bring about other possible ... The two green tea types with high polyphenol, EGCG, and caffeine levels that will ... ng of the tea leaves, the actual processing methods of the different tea ntly alter the .... by RA Zayadi · 2016 · Cited by 4 — It is no surprise to find various types of tea being offered in stores ... Enzyme polyphenol oxidase is present in fresh tea leaves ... This study was conducted by preparing tea infusion from both distilled water ... Chloroform (99%, QRec), hydrochloric acid. (37%,QRec) ... effect of free radicals because of the phenolic hydroxyl .... by C CABRERA · Cited by 538 — levels, in a total of 45 samples of different teas commercialized in Spain have been ... Tea, a leaf extract of the plant Camellia sinensis, is the second ... for the quantitative analysis of catechins, gallic acid, and caffeine in ... Free Radical Res.. Green tea is a type of tea that is made from Camellia sinensis leaves and buds that have not ... From Wikipedia, the free encyclopedia ... Although there has been considerable research on the possible health effects of consuming ... Most Japanese teas are blended from leaves grown in different regions, with less emphasis .... experiment of study of acidity of different samples of tea leaves, investigatory project on acidity of different samples of tea leaves, study the .... by J Song · Cited by 1 — We described an instrument-free method for quantitative analysis of the total ... detect polyphenols in tea leaf extracts with an analytical result agreeing well with .... by M Kato · 1999 · Cited by 151 — for CS showed little homology with other methyltransferases. Compared with ... Recently, extensive metabolic studies of purine alkaloids in leaves of tea (Camellia sinensis) and coffee have ... tected in cell-free extracts prepared from immature fruits. (Roberts and ... pH 8.5, 0.2 mM MgCl2, 0.2 mM paraxanthine, 4 μM [methyl-.. by D Atalay — study is to determine physical properties (water activity and color) and chemical properties ( ... There are three types of tea according to the level ... tea, leaves are rolled, and phenolic compounds ... belonging to tea polyphenols are gallic acid, catechin, ... gallate showed greater free radical scavenging.. by Y Takino · 1962 · Cited by 11 — Part VI of a series entitled, " Biochemical Studies on Tea Leaves ". I~ Y. Takino, H. lmagawa ... tained. EXPERIMENTAL. Samples. Fresh tea leaves of several varieties were applied; viz. Yabukita, Indo ... column and was followed by free catechins. Then ... solution by lead acetate at lower pH as compared with other known .... by G Song · 2003 · Cited by 11 — Extraction of catechins and caffeine from different tealeaves and comparison with ... and caffeine are 10−6 mol/L, which is suitable for the real sample determination. ... Simultaneous analysis of individual catechins, caffeine, and ascorbic acid in ... Stach, D., Schmitz, O. J., Decrease in concentration of free catechins in tea .... Aim of the Experiment - Free download as Word Doc (.doc), PDF File ... EXPERIMENT: To study the acidity of different sample of tea leaves as .. determine .... Observations I. Red Label Tea (Brooke Bond) Weight of china dish - 46.60 ... in different samples of tea leaves: Red label tea Chemistry investigatory project ... Certification This is to certify that Sidrah Abbasi, a student of class XII-B, has completed her research successfully on the ... Scribd - Free 30 day trial.. 011-40705050 or . To study the acidity ofdifferent sample of teadifferent sample of tealeaves as an index of . Determination of Caffeine in Different Comercialy .... Some studies suggest that green tea, of which matcha is one type, provides antioxidants that are ... This is the same plant from which manufacturers derive all types of green tea. ... One such compound is an amino acid called L-theanine, which may have positive effects for human health. ... Get our free daily newsletter.. The technique used to separate an organic compound from a mixture of compounds. ... are phenolic compounds of high molecular weight and being acidic in nature can be ... Tea powder is extracted from tea leaves which contain tannins, which are acidic in ... Hence, i am not able to use the extracted sample as substrate.. "Extraction and Determination of Caffeine Contents in Various Tea Samples" ... Use difference in the solubility of caffeine and tannic acid in water and chloroform to separate them them from tea leaves. Caffeine is much more ... Extraction of Caffeine from Tannic Acid Free Filtrate - Step-III ... Free Download MBA Projects. Aug 11, 2020 - This Pin was discovered by Byronxnva. Discover (and save!) your own Pins on Pinterest.. In a second study, volunteers held the green tea leaves in the mouth for 5 min without chewing. Samples were collected and analyzed as above. Similar studies .... and gallic acid in commercial tea samples. Janna Erickson ... derived from the tea plant Camellia sinensis. The extent of ... breaking down free radicals. Green tea has many different compounds, including proteins, ... theobromine, and gallic acid concentrations were attempted to be determined using HPLC analysis.. by Z Liu · 2020 · Cited by 14 — Phenolic profiles of old and young tea leaves were significantly different. ... OTL and YTL samples were collected from 4 different tea farms in the southern part of China in ... of EGCg and ECg did not induce a clear increase of free gallic acid in OTL (Table 2). ... Article Download PDFView Record in ScopusGoogle Scholar.. sinensis plant, the processing methods for each tea ... For example, white tea is naturally dried ... and routine analysis of catechins in different tea products. ... free gallic acid and moderate amounts of caffeine are ... LPN 2799 PDF 5/11.. map scanning Raman spectra of the tea leaves after the model transfer were ... There are a lot of studies on the use of Raman spectroscopy to identify and ... also provide the possibility for the building of standard free robust models. ... pigments, especially calibration transfer between tea leaf samples with different positions.. by A Kosińska · Cited by 40 — Processing of tea leaves results in profound differences in ... and antioxidant capacity of different types of tea. • The more ... activity of tea catechins emerged from a number of studies: ... EGC, while free gallic acid content increased. During.. The present study compares the effects of two green tea processing ... g) of green tea reveals that the EGCG level is free from the risk of hepatotoxicity and caffeine ... On the other hand, in the pan firing process, freshly plucked leaves undergo ... One part of the rolled samples was subjected to 3 cut CTC and then dried in the .... Caffeine is a naturally occurring chemical stimulant found in the leaves, ... this study is to determine the concentration of caffeine in reputed tea types and coffee. ... significant amount of caffeine using different extracting solvents and different bases. ... Isolation of caffeine from tea leaves via Acid-Base liquid-liquid extraction.. by M NAKAGAWA · Cited by 37 — Chief, Laboratory of Chemistry, Tea Research Station. Green tea liquor is a ... leucoanthocyanines and phenolic acid and ... Catechins of the samples which were pluck- ed from the same ... Content of catechins and amino acids in the different parts of shoots3>, •>. Bud+ ... and N agashima, Z.: Studies on free amino acids in .... by K Chakraborty · 2015 · Cited by 11 — Evaluation of in vitro antioxidant potential of Tea (Camelia sinensis) leaves obtained from different heights of Darjeeling Hill, West Bengal ... The present study was undertaken to find out whether the antioxidant activity and ... The samples were collected from six different altitudes of Darjeeling hill, viz. 6900,. 3e0cd80f5f