Optimization of Parsnip Noodle Recipe and Its Texture Analysis
The study utilized parsnips as the raw material and conducted single-factor and response-surface ex-periments to determine the optimal recipe for parsnip noodles and investigated simultaneously the correlation between sensory scores and data obtained from the texture analyzer.The research examined four factors,in-cluding parsnip powder,water,gluten powder,and salt addition.The indicators used included noodle water absorption,soluble solid dissolution rate,sensory quality evaluation,as well as noodle hardness and chewabil-ity measured by a texture analyzer.The experimental results demonstrated that the best results were obtained when the content of high-gluten wheat flour was 66%,parsnip flour was 20%,gluten powder was 14%,salt ac-counted for 2.3%while water constituted 54%of the total powder content.Consequently,distinct aroma,uni-form texture,good elasticity,and superior sensory quality were the salient features of the resulting parsnip noodles.The water absorption rate was 46.575%;the noodle dissolution rate was 0.295%;the firmness,as measured by the texture analyzer,was 1.82 N;and the masticability recorded a value of 2.14 mJ.In this in-stance,the sensory quality score of the parsnip noodles amounted to 89.35 points,with only a marginal rela-tive error of merely 0.13%compared to the predicted value of 89.237 points.The correlation coefficients be-tween the corresponding aspects of sensory evaluation data and the testing parameters of the texture analyzer were 0.834 and 0.801,which were extremely significant in the light of the t-test.This indicated that it was fea-sible to utilize the texture analyzer to evaluate the quality attributes of parsnip noodles,which can serve as an objective verification method for developing the optimal formulation of parsnip noodles.
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