Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing

Quality evaluations in potatoes are of necessity to meet the strict demands of the chip processing industry. Important parameters assessed include specific gravity, dry matter content, chip color, reducing sugars, and glycoalkaloids. This study was designed with the purpose of identifying specialize...

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Main Authors: Benjamin Opuko Wayumba, Hyung Sic Choi, Lim Young Seok
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Foods
Subjects:
Online Access:http://www.mdpi.com/2304-8158/8/3/98
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author Benjamin Opuko Wayumba
Hyung Sic Choi
Lim Young Seok
author_facet Benjamin Opuko Wayumba
Hyung Sic Choi
Lim Young Seok
author_sort Benjamin Opuko Wayumba
collection DOAJ
description Quality evaluations in potatoes are of necessity to meet the strict demands of the chip processing industry. Important parameters assessed include specific gravity, dry matter content, chip color, reducing sugars, and glycoalkaloids. This study was designed with the purpose of identifying specialized potato clones with acceptable qualities for processing chips, in comparison with two selected control varieties, Dubaek and Superior. As a result, high dry matter and specific gravity were observed for three potato clones, and the quantified ά-solanine levels ranged from 0.15 to 15.54 mg·100 g−1 fresh weight (FW). Significant variations (p < 0.05) in reducing sugar levels were observed in clones stored at different temperature conditions. After reconditioning of the tubers at 22 °C for 21 days, a significant drop in reducing sugar levels was recorded. In addition, fried chips for each potato clone were evaluated, and the color measured on the basis of the Snack Food Association (SFA) chip color score standard. Reconditioned tubers exhibited much lighter and better chip color compared to their counterparts cold-stored at 4 °C. This study observed that for quality processing of potato chips, clones with combined traits of high dry matter, low levels of glycoalkaloids and reducing sugars, and acceptable chip color should be used as raw materials.
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spelling doaj.art-49e11feba07c4ef9be39eab0f21f0b202022-12-21T19:19:05ZengMDPI AGFoods2304-81582019-03-01839810.3390/foods8030098foods8030098Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip ProcessingBenjamin Opuko Wayumba0Hyung Sic Choi1Lim Young Seok2Department of Bio-Health Technology, Kangwon National University, Chuncheon 200-701, KoreaDepartment of Bio-Health Technology, Kangwon National University, Chuncheon 200-701, KoreaDepartment of Bio-Health Technology, Kangwon National University, Chuncheon 200-701, KoreaQuality evaluations in potatoes are of necessity to meet the strict demands of the chip processing industry. Important parameters assessed include specific gravity, dry matter content, chip color, reducing sugars, and glycoalkaloids. This study was designed with the purpose of identifying specialized potato clones with acceptable qualities for processing chips, in comparison with two selected control varieties, Dubaek and Superior. As a result, high dry matter and specific gravity were observed for three potato clones, and the quantified ά-solanine levels ranged from 0.15 to 15.54 mg·100 g−1 fresh weight (FW). Significant variations (p < 0.05) in reducing sugar levels were observed in clones stored at different temperature conditions. After reconditioning of the tubers at 22 °C for 21 days, a significant drop in reducing sugar levels was recorded. In addition, fried chips for each potato clone were evaluated, and the color measured on the basis of the Snack Food Association (SFA) chip color score standard. Reconditioned tubers exhibited much lighter and better chip color compared to their counterparts cold-stored at 4 °C. This study observed that for quality processing of potato chips, clones with combined traits of high dry matter, low levels of glycoalkaloids and reducing sugars, and acceptable chip color should be used as raw materials.http://www.mdpi.com/2304-8158/8/3/98chip processingcold storagereconditioningreducing sugarpotato
spellingShingle Benjamin Opuko Wayumba
Hyung Sic Choi
Lim Young Seok
Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
Foods
chip processing
cold storage
reconditioning
reducing sugar
potato
title Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
title_full Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
title_fullStr Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
title_full_unstemmed Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
title_short Selection and Evaluation of 21 Potato (Solanum Tuberosum) Breeding Clones for Cold Chip Processing
title_sort selection and evaluation of 21 potato solanum tuberosum breeding clones for cold chip processing
topic chip processing
cold storage
reconditioning
reducing sugar
potato
url http://www.mdpi.com/2304-8158/8/3/98
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AT limyoungseok selectionandevaluationof21potatosolanumtuberosumbreedingclonesforcoldchipprocessing