The origin of Jasmine grandiflorum was in the Himalayas in India according to the legend and been broght to Spain by Moors in 16s. 

Other popular names are Grand jasmine,Spain jasmine,Royal jasmine and French jasmine grandiflorum etc.,in order to make them more acclimatized to the local environment,the delicate smaller morocco jasmine officnalies with stout stems have been brought in. 

Jasmine grandiflorum is quite allergic to the outside environment, warm,humid and argillaceous soil. Besides irrigation needs to be moderate, not too much neither too less, they would grow too fast if it's too warm in Spring and fragrance will not come out easily.Soil cultivated with figs,olives and mulberry is not suitable for jasmine as "O-amino-benzoic acid methyl ester" and "indole" are two major aromatic molecules containing nitrogen in Jasmine and the lack of nitrogen in those soil will reduce the fragance of jasmine.

Jasmine secrets exuberantly during the night,flowerlets bloomat around 11pm while the bigger ones do at dawn.They will lose fragrance once exposure under the sunshine, so they have tobe harvested at night by hand. 8,000,000 flowers yield 1kg of essential oils,prices are quite high due to the low yield. 

The use of Jasmine is just after rose in perfumery, one of the dominant fragrant ingredients is nitrogenous compound -benzpyrole which will give out delicate and soothing fragranceafter extreme dillution, this is the most charming and mythical scent. and the extraction of jasmone has to be processed directly through the flower, it plays a very important role inperfumery. 

The original essential oil is a reddish brown clear liquid.In the dense jasmine frangrance, benzpyrole dominates!

  Property:Phenyl Esters

  Benzyl acetate ~27%     
  Benzyl benzoate ~20%     
  cis-Jasmone ~9%     
  (-)-Methyl jasmonate ~6%     
  Linalool ~6%    
  Eugenol ~3%     
  Isophytol ~3%     
  Nerolidol (unknown isomer) ~2%    
  Indole ~2%
  Benzyl alcohol ~1%     
  Jasmin lactone ~1% 
  Other trace elements ~20%