PHARMACOGNOSTI CAL STUDIES OF SOME LOCAL PLANTS OF COSMETIC VALUE WITH SPECIAL REFERENCE TO EUCALYPTUS SPECIES

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dc.contributor.authorABDULLAHI, ZAINAB
dc.date.accessioned2017-12-15T14:32:36Z
dc.date.available2017-12-15T14:32:36Z
dc.date.issued1986-12
dc.descriptionA THESIS SUBMITTED TO THE POST-GRADUATE SCHOOL, AHMADU BELLO UNIVERSITY, ZARIA IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE PHARMACOGNOSY DEPARTMENT OF PHARMACOGNOSY AND DRUG DEVELOPMENT, FACULTY OF PHARMACEUTICAL SCIENCES, AHMADU BELLO UNIVERSITY, ZARIA, NIGERIA.en_US
dc.description.abstractV a r i o u s l o c a l p l a n t s c o n t a i n v o l a t i l e o i l t h at have b e e n used as c o s m e t i c s or in t h e p r e p a r a t i o n of c o s m e t i c s t h r o u g h o u t t h e a g e s . The u s e s and c o n s t i t u e n ts o f t h o s e growing in N i g e r i a have b e e n r e v i e w e d and d i s c u s s e d . In t h i s c o n n e c t i o n , t h e h i s t o r y of c o s m e t i cs a n d p o s s i b l e f a c t o r s t h a t may be r e s p o n s i b l e for i ts s p r e a d have a l s o b e e n o u t l i n e d ,, I n a n a t t e m p t t o e s t a b l i s h some d i f f e r e n t i a t i ng c h a r a c t e r j t s of t h e t h r e e N i g e r i a n E u c a l y p t u s s p e c i e s^ n a m e l y ^ E u c a l y p t u s c i t r i o d o r a , E. t e r e t i c o r n i s and E . c a m a l d u l e n s i s , c e r t a i n c r i t e r i a such a s q u a n t i t a t i ve m i c r o s c o p y and p h y s i c a l c o n s t a n t v a l u e s of t h e p l a n ts w e r e d e t e r m i n e d . Values of t h e s t o m a t a l number, p a l i s a de r a t i o , v e i n - I s l e t number and t h e s t o m a t a l index so o b t a i n ed may be of use in d i f f e r e n t i a t i n g b e t w e e n t h e t h r ee E u c a l y p t u s s p e c i e s . Also, t h e s i z e s of t h e e p i d e r m al c e l l s , s t o m a t a and o i l - g l a n d s may a l s o b e u s e f u l i n t h is r e s p e c t . The r e s u l t s o b t a i n e d i n e a c h c a s e have b e en d i s c u s s e d . Physical c h a r a c t e r s such a s t h e odour of t he s p e c i e s may s e r v e as a d i s t i n g u i s h i n g f a c t o r . Thus, w h i le E . c i t r i o d o r a i s ' c i t r o n - s c e n t e d , t h e o t h e r two s p e c i es have c a m p h o r a c e o u s o d o u r s. E x t r a c t i o n of o i l s of t h e E u c a l y p t u s s p e c i e s was c a r r i e d out in d i f f e r e n t s e a s o n s ; i . e . d r y and r a i n y s e a s o ns u s i n g b o t h d r y and f r e s h l e a v e s t o d e t e r m i n e t h e e f f e c t s of s e a s o n a l v a r i a t i o n s of t h e q u a l i t y and q u a n t i t y of t he volatile oils. Results obtained showed a higher oil yield in E. citriodora in both dry and rainy seasons when either,the fresh or dry leaves were used. In general, the dried leaves of all the Eucalyptus species, except E. citriodora, yielded more oil in both seasons. Some other plants, namely, lemongrass, Ocimum, clove, tangerine, ginger and peels of orange^were also extracted to determine their total volatile oil contents. The chemical constituents of the oils of the three Eucalyptus species were ascertained by Thin-layer (TLC) and Gas Liquid Chromatographic (GLC) separations. E. citriodora was found to contain citronellal as the principal constituent. Other constituents identified were cineole, citronellol and geraniol. E. camaldulensis was also seen to contain similar constituents, while E. tereticornis containted all the above constituents except geraniol. These results have been discussed and compared with those of others on the same plants grown elsewhere. Benzene : ethylaThe a n t i - b a c t e r i a l and a n t i f u n g a l p r o p e r t i e s of t h e s e o i l s were s t u d i e d using m i c r o b i o l o g i c a l t e c h n i q u e s. They have been found to be e f f e c t i v e a g a i n s t E s c h e r i c h ia c o l i , Staphylococcus aureus and Candida a l b i c a n s . It was observed t h a t a l l the o i l s had some degree of a n t i fungal and a n t i b a c t e r i a l a c t i v i t y . Thus, an e x p l a n a t i on as to why the o i l s of c l o v e , lemon g r a s s , Ocimum, e t c, a r e used in l o c a l cosmetic p r e p a r a t i o n s was o b t a i n e d.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/9792
dc.language.isoenen_US
dc.subjectPHARMACOGNOSTI CAL STUDIES,en_US
dc.subjectLOCAL PLANTS,en_US
dc.subjectCOSMETIC VALUE,en_US
dc.subjectSPECIAL REFERENCE,en_US
dc.subjectEUCALYPTUS SPECIES,en_US
dc.titlePHARMACOGNOSTI CAL STUDIES OF SOME LOCAL PLANTS OF COSMETIC VALUE WITH SPECIAL REFERENCE TO EUCALYPTUS SPECIESen_US
dc.typeThesisen_US
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