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Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia

This study was done to determine and compare the nutritional composition of ash, crude protein, crude fat and fiber, as well as the content of flavanols (EGCG, EGC, ECG and EC) and flavonols (quercetin and kaempferol) in tea planted in Cameron Highland (CH) and Sabah tea Plantation (ST) with differe...

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Main Authors: Nor Qhairul Izzreen Mohd Noor, Sridaran A., Kueh TTP, Mohd Fadzelly Abu Bakar, Amir H., Umi Hartina Mohd Razali, Rabiatul Amirah R.
Format: Article
Language:English
Published: 2019
Subjects:
QK Botany
SB Plant culture
Online Access:https://eprints.ums.edu.my/id/eprint/24358/7/Flavanols%20and%20Flavonols%20Content%20of%20Camellia%20sinensis%20with%20Different%20Maturity%20Stage%20Planted%20at%20Cameron%20Highland%20and%20Sabah%20Tea%20Plantation%20in%20Malaysia.pdf
https://eprints.ums.edu.my/id/eprint/24358/
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spelling my.ums.eprints.243582020-04-18T05:51:08Z https://eprints.ums.edu.my/id/eprint/24358/ Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia Nor Qhairul Izzreen Mohd Noor Sridaran A. Kueh TTP Mohd Fadzelly Abu Bakar Amir H. Umi Hartina Mohd Razali Rabiatul Amirah R. QK Botany SB Plant culture This study was done to determine and compare the nutritional composition of ash, crude protein, crude fat and fiber, as well as the content of flavanols (EGCG, EGC, ECG and EC) and flavonols (quercetin and kaempferol) in tea planted in Cameron Highland (CH) and Sabah tea Plantation (ST) with different maturity stages (young, matured and old leaves). Young tea leaves in both CH and ST had the highest content of crude fat, protein and fiber and the values decreased as the leaves aged. Interestingly, crude protein content in all maturity stages of CH and ST were higher than in commercial tea (13.81%) with the range of 15.41 - 16.35% and 14.20 - 15.32% respectively. Meanwhile, ash content in ST (8.59 - 13.49%) was higher compared to CH (5.06 - 5.14%) and values decreased from young to old leaves. CH leaves had the highest moisture content (8.18 - 8.55%) followed by ST (5.23 - 9.20%), and commercial tea (5.7%). The order of flavanol in young leaves of CH and ST, and commercial tea leaves was ECG > EGCG > EGC > EC but for mature and old leaves the order was ECG > EGC > EGCG > EC with the only difference was in EGC and EGCG. The content of flavonol quercetin and kaempferol in CH were 3.51 mg/g and 4.05 mg/g respectively. Meanwhile, in ST leaves the values were 1.79 mg/g and 3.35 mg/g respectively, and both CH and ST showed that the highest content of flavonol was observed in young leaves and decreased as leaves aged. 2019 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/24358/7/Flavanols%20and%20Flavonols%20Content%20of%20Camellia%20sinensis%20with%20Different%20Maturity%20Stage%20Planted%20at%20Cameron%20Highland%20and%20Sabah%20Tea%20Plantation%20in%20Malaysia.pdf Nor Qhairul Izzreen Mohd Noor and Sridaran A. and Kueh TTP and Mohd Fadzelly Abu Bakar and Amir H. and Umi Hartina Mohd Razali and Rabiatul Amirah R. (2019) Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia. EC Nutrition, 14.1. pp. 7-13.
institution Universiti Malaysia Sabah
building UMS Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
url_provider http://eprints.ums.edu.my/
language English
topic QK Botany
SB Plant culture
spellingShingle QK Botany
SB Plant culture
Nor Qhairul Izzreen Mohd Noor
Sridaran A.
Kueh TTP
Mohd Fadzelly Abu Bakar
Amir H.
Umi Hartina Mohd Razali
Rabiatul Amirah R.
Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
description This study was done to determine and compare the nutritional composition of ash, crude protein, crude fat and fiber, as well as the content of flavanols (EGCG, EGC, ECG and EC) and flavonols (quercetin and kaempferol) in tea planted in Cameron Highland (CH) and Sabah tea Plantation (ST) with different maturity stages (young, matured and old leaves). Young tea leaves in both CH and ST had the highest content of crude fat, protein and fiber and the values decreased as the leaves aged. Interestingly, crude protein content in all maturity stages of CH and ST were higher than in commercial tea (13.81%) with the range of 15.41 - 16.35% and 14.20 - 15.32% respectively. Meanwhile, ash content in ST (8.59 - 13.49%) was higher compared to CH (5.06 - 5.14%) and values decreased from young to old leaves. CH leaves had the highest moisture content (8.18 - 8.55%) followed by ST (5.23 - 9.20%), and commercial tea (5.7%). The order of flavanol in young leaves of CH and ST, and commercial tea leaves was ECG > EGCG > EGC > EC but for mature and old leaves the order was ECG > EGC > EGCG > EC with the only difference was in EGC and EGCG. The content of flavonol quercetin and kaempferol in CH were 3.51 mg/g and 4.05 mg/g respectively. Meanwhile, in ST leaves the values were 1.79 mg/g and 3.35 mg/g respectively, and both CH and ST showed that the highest content of flavonol was observed in young leaves and decreased as leaves aged.
format Article
author Nor Qhairul Izzreen Mohd Noor
Sridaran A.
Kueh TTP
Mohd Fadzelly Abu Bakar
Amir H.
Umi Hartina Mohd Razali
Rabiatul Amirah R.
author_facet Nor Qhairul Izzreen Mohd Noor
Sridaran A.
Kueh TTP
Mohd Fadzelly Abu Bakar
Amir H.
Umi Hartina Mohd Razali
Rabiatul Amirah R.
author_sort Nor Qhairul Izzreen Mohd Noor
title Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
title_short Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
title_full Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
title_fullStr Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
title_full_unstemmed Flavanols and Flavonols Content of Camellia sinensis with Different Maturity Stage Planted at Cameron Highland and Sabah Tea Plantation in Malaysia
title_sort flavanols and flavonols content of camellia sinensis with different maturity stage planted at cameron highland and sabah tea plantation in malaysia
publishDate 2019
url https://eprints.ums.edu.my/id/eprint/24358/7/Flavanols%20and%20Flavonols%20Content%20of%20Camellia%20sinensis%20with%20Different%20Maturity%20Stage%20Planted%20at%20Cameron%20Highland%20and%20Sabah%20Tea%20Plantation%20in%20Malaysia.pdf
https://eprints.ums.edu.my/id/eprint/24358/
_version_ 1760230231649550336
score 13.211869

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