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Standardization of harvesting age of bamboo shoots with respect to nutritional and anti-nutritional components

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Journal of Forestry Research 2013年第1期24卷 83-90页

作者： Ashok K. Pandey Vijayalakshmi Ojha Tropical Forest Research Institute Indian Council of Forestry Research and EducationP.O. RFRCMandla RoadJabalpur- 482 021India.

bamboo shoots can be harvested at different ages but the data on the changes in nutritional composition with age are scanty. We standardized harvesting age of bamboo shoots in central India to obtain best quality produce with respect to nutritional composition. The shoots harvested on different days （2–20 days after emergence from ground） were analyzed for their nutritional （dietary fibres, carbohydrates, proteins, total phenols, ascorbic acid, sodium, potassium, phosphorus, calcium, magnesium and phenolic acids） and anti nutritional （cyanogen） constituents. A significant variation （at p ≤ 0.5） was observed in the nutritional composition of shoots of Dendrocalamus asper, D. strictus and Bambusa tulda harvested at different days. An overall decrease was observed in proteins and total phenols while dietary fibres and carbohydrates increased with ages. Significant variation （at p ≤ 0.5） was also observed in phenolic acids while minerals did not vary significantly. Results revealed that the optimum harvesting age for D. asper, D. strictus and B. tulda was on 10–14 days, 6–10 days and 10–16 days （after emergence from the ground） respectively. These results can be used to obtain quality bamboo shoots.

关键词： bamboo shoots harvesting nutritional status central India phenolic acids anti-nutrient

Quality analysis of ultra-fine whole pulp of bamboo shoots (Chimonobambusa quadrangularis) fermented by Lactobacillus plantarum and Limosilactobacillus reuteri

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Food Bioscience 2023年第2期52卷 892-900页

作者： Lei Wang Yan-Yu Luo Ying Zhang Chun-Xia Zou Peng-Ju Wang Li-Kang Qin Qiu-Jin Zhu Yu-Long Jia School of Liquor and Food Engineering Guizhou University550025GuiyangChina Key Laboratory of Carbohydrate Chemistry and Biotechnology Ministry of EducationJiangnan University214122WuxiChina Key Laboratory of Agricultural and Animal Products Storage and Processing of Guizhou Province 550025GuiyangChina

The bamboo shoots are popular food rich in dietary fiber,but its disadvantage of short shelf life and quick lignification limit its *** this paper,Lactobacillus plantarum and Limosilactobacillus reuteri fermented bamboo shoots(Chimonobambusa quadrangularis)ultrafine whole pulp and analyzed the differences in nutrient composition and volatile compounds before and after *** results were as follows,the L-lactic acid in the *** group(LR),***(LP)and ***&*** groups(LRP)reached 3.27±0.16,4.37±0.04,4.27±0.39 mg/g,*** the content of flavonoids and polyphenols were highest raised to 29.0±0.37 and 54.8±1.39 mg/100g in co-fermentation and the bitterness was significantly decreased in three group by using the electronic tongue *** OPLS-DA analysis and PCA analysis showed that LRP group had the best quality after *** the above results will provide a theoretical basis for bamboo shoots processing and further research.

关键词： Lactobacillus.plantarum Limosilactobacillus.reuteri bamboo shoots Fermentation

Bacterial communities and volatile organic compounds in traditional fermented salt-free bamboo shoots

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Food Bioscience 2022年第6期50卷 223-236页

作者： Junjie Li Yang Liu He Xiao Hai Huang Gaowen Deng Mengjuan Chen Liwen Jiang College of Food Science and Technology Hunan Agricultural UniversityHuan Provincial Key Laboratory of Food Science and BiotechnologyChangsha410128China School of Chemistry and Chemical Engineering Zhaotong UniversityZhaotong657000China Liuzhou Meishenyuan Food Technology Co LtdLiuzhou545000China

Fermented bamboo shoot is a traditional salt-free fermented vegetable product,which has been widely used as cooking ingredient in southern *** paper intends to evaluate the changes of bacterial diversity and volatile organic compounds(VOCs)in bamboo shoots during ***-IR spectra confirmed the significant original difference in transmittance between fresh and fermented bamboo *** VOCs in fresh bamboo shoots,namelyα-gurjunene,p-cresol,methoxyphenyloxime,hexanal,were retained after *** the same time,new VOCs,namelyβ-cedrene,ethyl caprylate,1-nonanal,4-methylanisole,(z)-2-heptenal,acetic acid,valeraldehyde,1-hexanol,ethyl palmitate were *** them,the concentration of p-cresol was the highest among all *** the phylum level,proteobacteria was the dominant bacterial biota in fresh bamboo shoots(GC-0 group).Firmicutes became the dominant bacterial biota in fermented *** the genus level,bacterial groups in fresh bamboo shoots were dominated by Oxyphotobacteria(unclassified)and *** the progress of fermentation,Lactobacillus increased continuously and finally became the dominant bacterial *** appeared in the early stage of fermentation,but began to decline to less than 0.1%in the later *** became increasingly abundant during fermentation,and there was a significant positive correlation between Lactobacillus and valeraldehyde,1-hexanol,ethyl palmitate,propyl acetate,*** results suggest that the aroma quality of fermented bamboo shoots may be seriously affected by the bacterial biota in traditional fermented bamboo *** sum up,this study provides a comprehensive and in-depth correlation between bacterial community and VOCs in fermented bamboo shoots.

关键词： bamboo shoots Volatile organic compounds Salt-free fermentation High-throughput sequencing Bacterial biota

Determination of Inorganic Elements Content and Distribution in bamboo shoots by Microwave Digestion and ICP-MS

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Journal of Agricultural Chemistry and Environment 2016年第3期5卷 152-157页

作者： Jianzhi Ye Zipeng Su Ling Lin Yubing Zha Mingyue Wang Chunliang Yang Agricultural Product Processing Research Institute Chinese Academy of Tropical Agricultural Sciences Zhanjiang China

Microwave digestion and inductively coupled plasma mass spectrometry (ICP-MS) method was used to determine the contents of 25 inorganic elements in basal part, meat and shell of bamboo shoots. It could be concluded that the method could be applied to determine 25 inorganic elements in bamboo shoots. The elements with a dry basis content higher than 10 mg/kg were listed in the order of content decrease as follows, basal part of bamboo shoots: K > Ca > Mg > Mn > P > Al > Fe > Zn > Na;bamboo shoots meat: K > P > Ca > Mg > Mn > Fe > Al > Zn > Na > Ba > Sr;bamboo shoots shell: K > P > Mg > Ca > Mn > Al > Fe > Na > Zn;B, Pb, Cu, Cr ranged from 1.0 - 10 mg/kg;Ga, As, Se, Cd, Sn, Sb, V, Co, Ni were lower than 0.80 mg/kg. The harmful elements Cd, As, Cr, Hg, Pb were commonly monitored in feeds. The wet basis content (mg/kg) of Cd, As, Cr was lower than: 0.028, 0.022 and 0.42 respectively;no Hg was found;the content of Pb(mg/kg) in basal part, meat and shell of bamboo shoots was 0.82, 0.35 and 0.41 respectively. The results provide basic data for the development of bamboo shoots and its byproduct.

关键词： bamboo shoots Basal Part of bamboo shoots bamboo shoots Meat bamboo shoots Shell Inorganic Element

Effects of Twin-Screw Extrusion on Physicochemical Properties and Functional Properties of bamboo shoots Dietary Fiber

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Effects of Twin-Screw Extrusion on Physicochemical Propertie...

Influence of Feed Rate, Moisture and Mixture Composition from Composites Containing Rice (Oryza sativa), Sorghum [Sorghum bicolor(L.) Moench] and bamboo (Yushania alpine) shoots on Physical Properties of Extruded Flour and Mass Transfer

中国生物工程学会第十一届学术年会暨2017年全国生物技术大会

作者： Qing Ge Jian-Wei Mao Chenggang Cai Jun Huang Yifeng Zhou Jilei Fang Yuxin Sun Ruyi Sha Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing Key Laboratory of Chemical and Biological Processing Technology for Farm Products of Zhejiang Province School of Biological and Chemical EngineeringZhejiang University of Science and Technology

A co-rotating twin-screw extruder was used to study the effect of extrusion processing on nutritional and textural properties of extruded bamboo shoots. The soluble dietary fiber(SDF), insoluble dietary fiber(IDF), total dietary fiber(TDF), swelling capacity, water holding capacity, oil holding capacity,cholesterol absorption capacity, and fat absorption capacity were determined. The results showed that the content of SDF increased, but IDF and TDF decreased upon extrusion cooking. In addition,the dietary fiber in extruded bamboo shoots had higher swelling capacity, water holding capacity,fat absorption the capacity and cholesterol absorption capacity than those of unextruded ones. The results showed that twin-screw extrusion technology has the potential to increase the levels of SDF in bamboo shoots and improve the efficiency of extrusion.

关键词： bamboo shoots Twin-Screw Extrusion Soluble Dietary Fiber Physicochemical Properties

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Food and Nutrition Sciences 2020年第8期11卷 807-823页

作者： Wafula Nobert Wanjala Omwamba Mary M. Mahungu Symon Department of Dairy and Food Science and Technology Egerton University Egerton Kenya

Raw material composition, loading rate and moisture level in extrusion processing have a direct bearing on physical properties of the product besides other extruder operational parameters. These properties greatly influence the consumer appeal, package design and shelflife of the product. This study aimed at evaluating the effect of sorghum and rice flour containing bamboo shoot flour (BSF) and other ingredients on resultant flour and product throughput. A commercial single screw extruder with a constant barrel temperature of 250°C and screw speed of 1480 rpm was used. Five different blends (100:0:0, 70:30:0, 60:30:10, 55:30:15 and 50:27:23 for rice, sorghum and BSF respectively, on dry weight basis) were extruded at three levels of water addition (15, 20 and 25 kg/h) and two feed rates (1800 and 2100 kg/h). Extrudates were analyzed for expansion ratio (ER). Extrudates were then milled to particle size of 2 mm and flour samples were analyzed for hydration properties, colour, bulk density (BD) and oil holding capacity (OHC). Product throughput was calculated using mass balance equation based on dry matter content of the raw materials and the corresponding extruded product. Mixture composition significantly affected all physico-chemical properties analyzed for the products except water solubility index (WSI). Feed rate significantly affected all physico-chemical of the product properties except WSI and colour lightness (L*). Water addition significantly affected product mass transfer, ER, BD, colour and swelling capacity (SC). Therefore, BSF can be blended with other ingredients and extrusion parameters be

关键词： bamboo shoots Extrusion Physical Properties Mass Transfer

Optimization of Protein Content and Dietary Fibre in a Composite Flour Blend Containing Rice (Oryza sativa), Sorghum [Sorghum bicolor(L.) Moench] and bamboo (Yushania alpine) shoots

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Food and Nutrition Sciences 2020年第8期11卷 789-806页

作者： Wafula Nobert Wanjala Omwamba Mary Mahungu Symon Department of Dairy and Food Science and Technology Egerton University Egerton Kenya

Initiatives on tackling food insecurity among global emerging economies are being focused on enriching native staple foods with locally available nutritious underutilized crops. The objective of this study was to optimize protein content and dietary fibre in rice (Oryza sativa) flour using Sorghum (Sorghum bicolor L.) and Bamboo shoots (Yushania alpine). An extreme vertices design of mixture approach with 11 runs was employed in the study using MINITAB® software. The 11 blends from 11 generated runs and individual ingredient samples were analyzed for nutritional composition. Energy value and energy-to-protein ratio for the samples was calculated. Bamboo shoots flour (BSF) had the highest content for all proximate components except total carbohydrates on dry weight basis. Rice had the highest content of total carbohydrates at 77.71% and energy to protein ratio of 53.72 kcal/g. Sorghum had the highest mean total phenolic and condensed tannins of 45.512 (mg GAE/kg) and 2.512 (mg CE/g) while rice the least with 0.042 (mg GAE/kg) and 0.102 (mg CE/g), respectively. Fresh bamboo shoo

关键词： Optimization Protein Dietary Fibre bamboo shoots Mixture Analysis

Chromosomal-level genome and metabolome analyses of highly heterozygous allohexaploid Dendrocalamus brandisii elucidate shoot quality and developmental characteristics

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Journal of Integrative Plant Biology 2024年第6期66卷 1087-1105页

作者： Jutang Jiang Zeyu Zhang Yucong Bai Xiaojing Wang Yuping Dou Ruiman Geng Chongyang Wu Hangxiao Zhang Cunfu Lu Lianfeng Gu Jian Gao Key Laboratory of National Forestry and Grassland Administration Beijing for Bamboo&Rattan Science and TechnologyInstitute of Gene Science and Industrialization for Bamboo and Rattan ResourcesInternational Center for Bamboo and RattanBeijing 100102China College of Forestry Basic Forestry and Proteomics Research CenterFujian Agriculture and Forestry UniversityFuzhou 350002China School of Life Science Peking UniversityBeijing 100871China College of Biological Sciences and Biotechnology Beijing Forestry UniversityBeijing 100083China

Dendrocalamus brandisii(Munro)Kurz is a sympodial bamboo species with inimitable taste and flavorful *** rapid growth and use as high-quality material make this bamboo species highly valued for both food processing and wood ***,genome information for *** is lacking,primarily due to its polyploidy and large genome ***,we assembled a high-quality genome for hexaploid ***,which comprises 70chromosomes with a total size of 2,756 Mb,using long-read Hi Fi ***,we accurately separated the genome into its three constituent *** used Oxford Nanopore Technologies long reads to construct a transcriptomic dataset covering 15 tissues for gene annotation to complement our genome assembly,revealing differential gene expression and post-transcriptional *** integrating metabolome analysis,we unveiled that well-balanced lignin formation,as well as abundant flavonoid and fructose contents,contribute to the superior quality of *** *** genomic,transcriptomic,and metabolomic datasets provided a solid foundation for enhancing bamboo shoot quality and developing efficient gene-editing *** study should facilitate research on *** and enhance its use as a food source and wood material by providing crucial genomic resources.

关键词： bamboo shoots Dendrocalamus brandisii(Munro)Kurz flavonoid genome lignin

Allele-aware chromosome-scale assembly of the allopolyploid genome of hexaploid Ma bamboo(Dendrocalamus latiflorus Munro)

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Journal of Integrative Plant Biology 2022年第3期64卷 649-670页

作者： Yushan Zheng Deming Yang Jundong Rong Liguang Chen Qiang Zhu Tianyou He Lingyan Chen Jing Ye Lili Fan Yubang Gao Hangxiao Zhang Lianfeng Gu College of Forestry Fujian Agriculture and Forestry UniversityFuzhou 350002China College of Landscape Architecture Fujian Agriculture and Forestry UniversityFuzhou 350002China Basic Forestry and Proteomics Research Center College of ForestryFujian Provincial Key Laboratory of Haixia Applied PlantSystems BiologyFujian Agriculture and Forestry UniversityFuzhou 350002China

Dendrocalamus latiflorus Munro is a woody clumping bamboo with rapid shoot *** genetic transformation and clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein 9(Cas9)gene editing techniques are available for ***,enabling reverse genetic ***,*** has the potential to be a model bamboo ***,the genome sequence of *** has remained unreported due to its polyploidy and large genome ***,we sequenced the *** genome and assembled it into three allele-aware subgenomes(AABBCC),representingthe largest genome of a major bamboo *** assembled 70 allelic chromosomes(2,737 Mb)for hexaploid *** using both singlemolecule sequencing from the Pacific Biosciences(Pac Bio)Sequel platform and chromosome conformation capture sequencing(Hi-C).Repetitive sequences comprised 52.65%of the *** *** annotated 135231 protein-coding genes in the genome based on transcriptomes from eight different *** sequencing using RNA-Seq and Pac Bio singlemolecule real-time long-read isoform sequencing revealed highly differential alternative splicing(AS)between non-abortive and abortive shoots,suggesting that AS regulates the abortion rate of bamboo *** high-quality hexaploid genome and comprehensive strand-specific transcriptome datasets for this Poaceae family member will pave the way for bamboo research using *** as a model species.

关键词： alternative splicing bamboo shoots chromosome conformation capture sequencing D.latiflorus genome assembly single-molecular sequencing