emocijas :) viena, kai kristalas iš vaisiaus, kita, kai iš palėsio ląstelės šalutinių veiklos produktų. Pvz. bičių vaškas ir vaškas iš šūdo. Chemiškas tas pats, o emocinis apipavidalinimas kitas. "Linas Petkevičius" <linas@NONONOglservices.lt> wrote in message news:ked77b$v8q$1@trimpas.omnitel.net... > Kazka keicia? > > "bzik" wrote in message news:ked74a$v5h$1@trimpas.omnitel.net... > > Although citric acid is found in high concentrations in many citrus fruits, > it is not economical to extract the acid from fruit for industrial use. > Furthermore, the demand for citric acid far outweighs the supply of citrus > fruit available. > > The ability of the mold Aspergillus niger to produce citric acid as a > byproduct of metabolism was discovered by American food chemist James Currie > in 1917. The process of cultivating A. niger and allowing it to metabolize > sucrose or glucose to yield citric acid proved efficient and inexpensive. > Once it was possible to produce a seemingly endless supply of citric acid, > companies like Pfizer and Citrique Belge began producing it on an industrial > scale. This same technique is used to produce citric acid today. > > > > "eSSas" <trach@tibid.ax> wrote in message > news:ked71m$v28$1@trimpas.omnitel.net... >> On 1/31/2013 9:18 AM, Linas Petkevičius wrote: >>> Truputi daugiau. Realiai ne ka maziau kenksminga uz vandenilio >>> hidroksida. >> >> :-) Geras pastebejimas >> >> Neviernam Tamosiui citata is wiki: "Lemons, oranges, limes, and other >> citrus fruits possess high concentrations of citric acid" >> >> S. >> >>> kiek pamenu citrinos rūgštis su citrina turi tik bendrą pavadinimą. >