गोंद
goand ek utsarji padarth hai jo koshika bhitti ke selooloj ke apaghatan ke phalasvaroop banata hai. sookhe hue avastha mean yah rava ke roop mean paya jata hai, kintu pani mean dalane par yah phoolakar chipachipa ban jata hai. isaka upayog kagaz adi vibhinn padarthoan ke chipakane mean hota hai. akeshiya senigal se hamean sabase achchha goand milata hai. babool, am aur nim adi paudhoan se bhi goand nikalata hai isaka upayog dava banane evan vibhinn udyog dhandhoan mean hota hai.
prakar
goand vibhinn prakar ke hote haian. kuchh goand jaise babool ka goand, ghatti, karaya aur tregakaianth pe doan se ras ke roop mean nikalate haian, kuchh samudri ghasoan se prapt hote haian aur kuchh bijoan se prapt hote haian. goandoan ke prakar saik doan haian aur unake upayog bhi vyapak haian. kuchh ahar mean, pakavan, mithaee adi banane mean, kuchh aushadhoan mean, kuchh chipakane mean, kuchh chhiant adi ki chhapaee mean, kuchh kagaz aur vastr ke nirman mean, kuchh resham ke sajjikaran mean, kuchh dhavanadrav aur prasadhan sanbhar ityadi anek vastuoan ke nirman mean prayukt hote haian. babool ke goand ka jnan 2,000 ee.poo. se hai. pahali shatabdi se isake vyapar ka ullekh milata hai. afrika, bharat aur aaustreliya mean yah ikattha kiya jata hai. isaka rang halke aianbar se lekar safed tak hota hai. viranjak se yah saphed banaya ja sakata hai. lagabhag 20 hajar tan goand prati varsh ikattha hota hai. tregakaianth goand bhi bahut prachin kal se jnat hai. aistrelegais (Astralagas) pe d se eeran, turk desh aur siriya mean yah goand nikala jata hai. yah aanshat: ghulata aur aanshat: phoolakar gadha shyan drav banata hai.[1]
rasayanik gun
'goand' prakritik kaliliy padarth haian, jinaka koee nishchit galanaank athava kvathanaank nahian hota. jal mean ye aanshat: ghulate, vistarit hote aur phool jate haian, jisase jeli ya myoosilej sa padarth banata hai. elkohal sadrish karbanik vilayakoan mean ye nahian ghulate. ye kabohaidret varg ke yaugik haian. pe doan se prapt goand potasiyam, kailasiyam aur maignishiyam ke udasin lavan hote haian. inake jalavishleshan se anek sharkaraean, kuchh aml aur selooloz prapt hue haian. vibhinn strotoan se prapt goand ek se nahian hote. ek strot se prapt goand rasayanat: pray: ek se hote haian. ve eanzaim kriya se avashy banate haian, par eanzaim kahaan se ata aur kaise kary karata hai, yah thik thik maloom nahian hai. sanbhavat: karbohaidretoan par baiktiriya ya kavakoan ki kriya se goand banate haian. rogagrast pe doan se goand adhik prapt hota hai.[1]
|
|
|
|
|
|
tika tippani aur sandarbh
bahari k diyaan
sanbandhit lekh