water-soluble and fat-soluble vitamins, minerals, enzymes, poly-
saccharides, phenolic compounds and organic acids [22]. More
results are shown in Table 1. Since 99% of aloe vera fresh gel is
water and its ability to associate with metal ions in solution, aloe
vera stable gel may be used as a bio-reducing agent in the
preparation of metal and oxide precursor powders. Recently, the
extract of aloe vera plant has been successfully used to synthesize
single crystalline triangular gold nanoparticles (50–350 nm in
size) and spherical silver nanoparticles (15 nm in size) in high
yield by the reaction of aqueous metal source ions (chloroaurate
ions for Au and silver ions for Ag) and the extract of the aloe vera
plant [27]. Most recently, Maensiri et al. reported for the first time
the synthesized nanoparticles of In2O3 by simple method using
aloe vera plant extract solution [28]. To the best of our knowledge,
this biosynthesis route has not been extended to the preparation of
HAp.
water-soluble and fat-soluble vitamins, minerals, enzymes, poly-saccharides, phenolic compounds and organic acids [22]. Moreresults are shown in Table 1. Since 99% of aloe vera fresh gel iswater and its ability to associate with metal ions in solution, aloevera stable gel may be used as a bio-reducing agent in thepreparation of metal and oxide precursor powders. Recently, theextract of aloe vera plant has been successfully used to synthesizesingle crystalline triangular gold nanoparticles (50–350 nm insize) and spherical silver nanoparticles (15 nm in size) in highyield by the reaction of aqueous metal source ions (chloroaurateions for Au and silver ions for Ag) and the extract of the aloe veraplant [27]. Most recently, Maensiri et al. reported for the first timethe synthesized nanoparticles of In2O3 by simple method usingaloe vera plant extract solution [28]. To the best of our knowledge,this biosynthesis route has not been extended to the preparation ofHAp.
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