The pure yam noodles or vermicelli made from bean or sweet potato starch that him home makes sells 5 money a jin, noodles made from bean or sweet potato starch wants more than 10 money, supermarket however 2.98 yuan a jin, why?
Be in a country, the farmer can cultivate a few yam, main to make yam starch or yam noodles made from bean or sweet potato starch. Be in rural area of place of Xin luck zoology, every family can cultivate a few yam, basically be to harvest yam, and every family is met a yam of yam make it that does not eat is amylaceous, leaving oneself to use also send a few to kin good friend, the yam starch that I made last year still has now, need not buy yam starch all the year round. Because the technology of yam noodles made from bean or sweet potato starch that make is relatively a few more sophisticated, very few person can make local farmer yam noodles made from bean or sweet potato starch. It is the yam starch in the supermarket actually disadvantageous also appropriate, of petty gain of noodles made from bean or sweet potato starch of Dan Gong potato want 3 two money only, noodles made from bean or sweet potato starch of this kind of yam eats less still.
Of yam buy valence to be in 0.5~1.5 yuan / or so jins, buy all valence is in 1.1 yuan / or so jins. 100 jins of yam can make 20~30 jin yam is amylaceous, yam breed is different amylaceous content is different also, the raw material cost of starch of a jin of yam is in 3.6~5.5 yuan / jin, this is raw material cost merely, still do not include manpower cost, content sheds cost to wait, yam is amylaceous under 3.6 yuan one jin has to consider is true yam starch. Vermicelli made from bean starch of yam noodles made from bean or sweet potato starch is to use yam to starch is machined and be become, starch of a jin of yam gives vermicelli made from bean starch of noodles made from bean or sweet potato starch of a jin of yam probably, get the finished cost that raises yam noodles made from bean or sweet potato starch again, under 3.6 yuan / jin not be sterling yam vermicelli made from bean starch for certain. The sterling yam starch retail price on the market achieves 5 yuan / jin above, noodles made from bean or sweet potato starch of yam vermicelli made from bean starch achieves 10 yuan / jin above. Can the noodles made from bean or sweet potato starch of yam vermicelli made from bean starch that you say 3 on the market two money be sterling? Can the businessman become charity?
2, of vermicelli made from bean starch of yam of true and false discern.How are we buying yam vermicelli made from bean starch to discern then its true and false?
(1) discern on exterior colour and lustre.
The yam vermicelli made from bean starch that did not use bleacher chastely is yellow cinnamon perhaps, translucent, color is even. Look have face a knot in one's heart, the yam vermicelli made from bean starch that pure handiwork makes goes out slightly some differences.
(2) smell odour, yam vermicelli made from bean starch has the clear sweet smell with light yam, and have coloring agent through colored yam the flavour of other perhaps raw material.
(3) true yam vermicelli made from bean starch is more fragile break off easily, cutcha yam vermicelli made from bean starch can have silk of a few flour in carriage process. With other yam vermicelli made from bean starch, capricious strong, added isinglass to wait commonly increase tenacity.
(4) burn yam vermicelli made from bean starch. Combustion of true yam vermicelli made from bean starch does not have hard ball, after combustion residual the rub that use a hand is kneaded have grain feeling, not be complete powder.
Still have discern otherly method, but the inconvenience when be being bought is used. True yam vermicelli made from bean starch immerses not to fade with water, yam vermicelli made from bean starch nots allow to be papered easily in the water process that boil, vermicelli made from bean starch boils bigger more.
Epilogue: Although yam is amylaceous now with vermicelli made from bean starch make, the method that can adopt machining reduces manpower cost. But unapt also retail prices under raw material cost, too low to the price yam vermicelli made from bean starch should bring to sb's attention, tall to the price yam vermicelli made from bean starch also wants to discern carefully, lest spend injustice money.
