CHARACTERISTICS OF JUICE FROM PALMYRAH PALM (BORASSUS) FRUIT

被引:5
作者
GEORGES, AN [1 ]
RONALD, ES [1 ]
机构
[1] UNIV NATL COTE IVOIRE,FAC SCI & TECH,DEPT BIOCHIM,ABIDJAN 22,COTE IVOIRE
关键词
D O I
10.1007/BF02196073
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The ancestral palmyrah palm (Borassus aethiopum Mart.) produces in the V-Baoule region of Cote d'Ivoire, sweet and fragrant fruits in large numbers. Most of these spoil in the bush when ripe. The present work was to develop an efficient process for the extraction of juice from these fruits using a pectinase (Pectinex Ultra SP-L) at different concentrations (0.2, 0.4 and 0.6 mg/kg), temperatures (25-degrees-C, 35-degrees-C and 45-degrees-C), and for different times (30, 60, 90 and 120 min). Some physico-chemical characteristics of the juice were determined in order to evaluate the quality of the product. Treatment at 45-degrees-C for 120 min at an enzyme concentration of 0.6 mg/kg was selected for highest juice yield (73.14%). The colour parameters L; a; b) fluctuated in intensity between batches of rehydrated material. Juice consistency was found to be stable at 45-degrees-C at the enzyme concentrations used. There was a slight variation in pH among the different treatments. In general, the yield and quality of the juice obtained were affected by treatment temperature, enzyme concentration and maceration time.
引用
收藏
页码:55 / 70
页数:16
相关论文
共 15 条
[1]  
Arseculeratne S.N., Gunatilaka A.A., Panabokke R.G., Studies on the Toxicology of the Palmyrah Palm (Borassus flabellifer) Part I. A Bioassay for the Neurotoxin, J. Nat Sci. Coun. Sri Lanka, 12, 2, pp. 269-275, (1983)
[2]  
Beccari O., Studio sui Borassus e Descrizione di un Genera nuovo Asiatico di Borassiodeae, Webbia, 4, pp. 293-385, (1913)
[3]  
Blanc-Pamard C., De l'Utilisation de trois espèces de Palmiers dans le sud du V Baoulé” (Côte d'Ivoire), Cahier ORSTOM ser. Sci. Hum., 17, 3-4, pp. 247-255, (1980)
[4]  
Chevalier A., Répartition géographique et exploitation de palmiers Borassus, Rev Bot Appl & Agr Trop., 29, pp. 585-592, (1949)
[5]  
Davis T.A., Johnson D.V., Current Utilisation and Further Development of the Palmyrah Palm (Borassus flabellifer L., arecaceae) in Tamil Nadu State, India, Economic Botany, 41, 2, pp. 247-266, (1987)
[6]  
Diallo M., Le Comportement du Ronier (Borassus aethiopum Mart.) dans les Roneraies paysannes des Régions de Fatick et de Thies (Sénégal). Mémoire de Maîtrise, pp. 17-19, (1987)
[7]  
Dongowski G., Bock W., Die Lebensm., Industrie, 24, 1 H, pp. 33-39, (1977)
[8]  
Dransfield J., Palm Sugar in East Madura, Principes, 20, pp. 83-90, (1976)
[9]  
Dubois M., Gilles K., Hamilton J.K., Rebers P.A., Smith F., Colorimetric, method for determination of sugars and related substances, Anal Chem, 28, pp. 350-356, (1965)
[10]  
Morton J.F., Notes on Distribution. Propagation and Products of Borassus Palms (arecaceae), Econ Botany, 42, 3, pp. 420-441, (1988)