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https://irlib.pccu.edu.tw/handle/987654321/24014
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| Title: | Biochemical changes and inhibition of sprouting by light quality treatments in sweet potatoes during storage |
| Authors: | Lin, KH (Lin, Kuan H.)
Shih, MC (Shih, Ming C.)
Tsai, WC (Tsai, Wen C.)
Lo, HF (Lo, Hsiao F.)
Hwang, SY (Hwang, Shih Y.)
Bing, SL (Bing, Shu L.)
Lai, YC (Lai, Yung C.) |
| Contributors: | Grad Inst Biotechnol |
| Keywords: | Sweet potato
light quality
sprouting;sugar
storage |
| Date: | 2011-10 |
| Issue Date: | 2013-01-16 15:00:27 (UTC+8) |
| Abstract: | The objective of this experiment was to study changes in sprouting and quality or three sweet potato roots; 'Tainung 10' (TN10), 'Tainung 57' (TN57) and 'Satusumahikari' (SH), as affected by white-, red- and blue-light treatments during storage for 3 months at 25 degrees C. Three samples of each variety were randomly withdrawn from growth chambers at weekly intervals for quality assessments. We concluded that genotypes treated with various light spectra exhibited specific characteristics of sprouting, weight loss, starch and sugar contents, and beta-amylase activity during storage. Compared to white- and blue-light treatments, red-light-treated TN10 roots had a significant lower sprouting rate, sugar content and beta-amylase activity. However, in the case of TN57, with blue-light treatment, there was a significantly lower sprouting rate, sugar content and beta-amylase activity compared to the other treatments. SH contained a significantly lower starch level and beta-amylase activity, and higher sucrose content than in TN10 and TN57 in all treatments. Sprouting of stored roots showed starch hydrolysis accompanied by the accumulation of sugar and beta-amylase activity. Although starch was converted into sugars, sprouting from the raw sweet potato was delayed during prolonged storage by the light spectral treatment. To develop a practical technique of manipulating the light spectrum requires experimentation with more cultivars and a wider range flight regions and temperatures. |
| Relation: | JOURNAL OF FOOD AGRICULTURE & ENVIRONMENT Volume: 9 Issue: 3-4 Pages: 107-113 |
| Appears in Collections: | [Graduate Institute of Biotechnology ] journal articles
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