[Objectives]This study was conducted to investigate the effects of Polygonatum odoratum polysaccharides on the quality of white chili peppers in jars.[Methods]White chili peppers were pickled by adding different conce...[Objectives]This study was conducted to investigate the effects of Polygonatum odoratum polysaccharides on the quality of white chili peppers in jars.[Methods]White chili peppers were pickled by adding different concentrations of P.odoratum polysaccharides with traditional pickling technology,and its nitrite content,pH and sensory quality were analyzed and detected.[Results]The results showed that,compared with the control group without adding P.odoratum polysaccharides,the nitrite content in white chili peppers in jars decreased after adding P.odoratum polysaccharides.When the addition amount of P.odoratum polysaccharides was 0.002%,the inhibition rate of nitrite reached the maximum.Under the same fermentation time,P.odoratum polysaccharides could significantly reduce the pH value of pickles.When the addition amount of P.odoratum polysaccharide was 0.002%and the pickling time was 3 months,the sensory quality of white chili peppers in jars was the best.At this point,white chili peppers in jars had rich aroma and tasted soft and sour,and the sour and salinity were suitable.As the fermentation time continued to increase,the chili aroma of white chili peppers in jars gradually decreased,and the sour taste became more pronounced.[Conclusions]This study can provide reference for the safety and quality control of white chili peppers in jars.展开更多
Andicrafts are much in vogue in the world today, and the pottery unique to Taba Uillage are famous for their unsophisticated style. If it is possible to find an appropriate pattern of products, such as pottery jars in...Andicrafts are much in vogue in the world today, and the pottery unique to Taba Uillage are famous for their unsophisticated style. If it is possible to find an appropriate pattern of products, such as pottery jars in ancient China or local potteries in Africa, trying to follow the trend of selling international traveling craftwork arts, maybe it will be an outlet of Taba Uillage.展开更多
This research paper presented the potential of Corchuros olitorius L.as a natural coagulant in the removal of turbidity,total suspended solids,and biochemical oxygen demand from the domestic wastewater of the Universi...This research paper presented the potential of Corchuros olitorius L.as a natural coagulant in the removal of turbidity,total suspended solids,and biochemical oxygen demand from the domestic wastewater of the University of Science and Technology of Southern Philippines.Optimization of the natural coagulant and synthetic coagulant was employed prior to the treatment design.The jar test method was used in the optimization and lab analysis including the gravimetric method,dilution technique,and digital measurements.The optimization results of Corchuros olitorius L.using the jar test method revealed better removal at a lower dosage of 50 mg/L and a higher settling time of 90 minutes.The characterization using FTIR analysis also suggests a functional group that influences coagulation activity.Using the optimum dose and optimum settling time,results with the different treatment designs showed the highest removal at pH 7 showed%BOD removal of 89.78%(A75C25);85.98%(A25C75);88.76%(A50C50).TSS removal measured values of 88.50%(A75C25),85.56%(A25C75),and 87.16%(A50C50),while turbidity removal of 83.47%(A75C25),80.27%(A25C75),and 80.27%(A50C50).Statistically,measured values differ between treatment designs.It is suggested to investigate removal efficiency in more varied pH conditions,different settling times,stirring speed,and other variables for future studies.展开更多
基金Supported by General Project of Natural Science Foundation of Hunan Province (2022JJ30312)Enterprise Science and Technology Innovation Team Construction Project of Loudi Science and Technology Innovation Program in 2022.
文摘[Objectives]This study was conducted to investigate the effects of Polygonatum odoratum polysaccharides on the quality of white chili peppers in jars.[Methods]White chili peppers were pickled by adding different concentrations of P.odoratum polysaccharides with traditional pickling technology,and its nitrite content,pH and sensory quality were analyzed and detected.[Results]The results showed that,compared with the control group without adding P.odoratum polysaccharides,the nitrite content in white chili peppers in jars decreased after adding P.odoratum polysaccharides.When the addition amount of P.odoratum polysaccharides was 0.002%,the inhibition rate of nitrite reached the maximum.Under the same fermentation time,P.odoratum polysaccharides could significantly reduce the pH value of pickles.When the addition amount of P.odoratum polysaccharide was 0.002%and the pickling time was 3 months,the sensory quality of white chili peppers in jars was the best.At this point,white chili peppers in jars had rich aroma and tasted soft and sour,and the sour and salinity were suitable.As the fermentation time continued to increase,the chili aroma of white chili peppers in jars gradually decreased,and the sour taste became more pronounced.[Conclusions]This study can provide reference for the safety and quality control of white chili peppers in jars.
文摘Andicrafts are much in vogue in the world today, and the pottery unique to Taba Uillage are famous for their unsophisticated style. If it is possible to find an appropriate pattern of products, such as pottery jars in ancient China or local potteries in Africa, trying to follow the trend of selling international traveling craftwork arts, maybe it will be an outlet of Taba Uillage.
文摘This research paper presented the potential of Corchuros olitorius L.as a natural coagulant in the removal of turbidity,total suspended solids,and biochemical oxygen demand from the domestic wastewater of the University of Science and Technology of Southern Philippines.Optimization of the natural coagulant and synthetic coagulant was employed prior to the treatment design.The jar test method was used in the optimization and lab analysis including the gravimetric method,dilution technique,and digital measurements.The optimization results of Corchuros olitorius L.using the jar test method revealed better removal at a lower dosage of 50 mg/L and a higher settling time of 90 minutes.The characterization using FTIR analysis also suggests a functional group that influences coagulation activity.Using the optimum dose and optimum settling time,results with the different treatment designs showed the highest removal at pH 7 showed%BOD removal of 89.78%(A75C25);85.98%(A25C75);88.76%(A50C50).TSS removal measured values of 88.50%(A75C25),85.56%(A25C75),and 87.16%(A50C50),while turbidity removal of 83.47%(A75C25),80.27%(A25C75),and 80.27%(A50C50).Statistically,measured values differ between treatment designs.It is suggested to investigate removal efficiency in more varied pH conditions,different settling times,stirring speed,and other variables for future studies.
基金the National Natural Science Foundation of China,No.81072140,81172477the Medical Engineering Interdisciplinary Project of Shanghai Jiao Tong University,No.YG2013MS67,YG2014QN11~~
