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2020

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Articles 1021 - 1050 of 1479

Full-Text Articles in Food Science

Preparation Of Ink Melanin From Sepia Esculenta By Ultrasound-Assisted And Its Protective Effects On Oxidative Damage In Caco-2 Cells, Zhang Jing-Yu, Xie Wan-Cui, Che Hong-Xia, Yang Xi-Hong May 2020

Preparation Of Ink Melanin From Sepia Esculenta By Ultrasound-Assisted And Its Protective Effects On Oxidative Damage In Caco-2 Cells, Zhang Jing-Yu, Xie Wan-Cui, Che Hong-Xia, Yang Xi-Hong

Food and Machinery

In order to investigate the protective effect of Sepia esculenta ink melanin on the oxidative damage of human cloned colon adenocarcinoma cells (Caco-2), the ultrasound-assisted method was used to prepare Sepia esculenta ink melanin and its structure characterization and antioxidant capacity were measured. In this study, 150 μmol/L tert-butyl hydrogen peroxide (TBHP) was used to induce the oxidative damage model of Caco-2 cells, and the cell survival rate was determined by the MTT method, as well as the activity of superoxide dismutase (SOD) and malondialdehyde (MDA) in cells were determined. The experimental results showed that the melanin extracted by ultrasound …

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Preparation Of Polysaccharde Liposomes From Bettila Striata And Their Effects On Tyrosinase Activity, Kong Ling-Yue, Xiang Hua, Tang Ke-Hua, Dong Ai-Wen, Tang Zhong-Hai May 2020

Preparation Of Polysaccharde Liposomes From Bettila Striata And Their Effects On Tyrosinase Activity, Kong Ling-Yue, Xiang Hua, Tang Ke-Hua, Dong Ai-Wen, Tang Zhong-Hai

Food and Machinery

Nano-liposome method was used to prepare high-content polysaccharide liposomes from Bettila striata, and the interaction mechanism between them and tyrosinase were studied. The results showed that the average particle size of the prepared polysaccharide liposomes was 5.72 μm and the particle size distribution was uniform; when the concentration was 12.8 mg/mL, the inhibition rate of these polysaccharide liposomes on tyrosinase activity was 51%, and the half inhibitory concentration was 11.56 mg/mL. Spectral analysis showed that the polysaccharide liposomes from B. striata could interact with tyrosinase, with the binding constant of 6.58×105 L/mol; the fluorescence quenching mechanism was mainly static …

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Optimization Of Ultrasonic-Assisted Extraction Process And Analysis Of Fatty Acid Composition Of Panicum Miliaceum L. Shell Oil, Miao Xin-Yue, Zhu Dan, Yan Fei-Xiang, Niu Guang-Cai, Wei Wen-Yi, Zhu Li-Bin May 2020

Optimization Of Ultrasonic-Assisted Extraction Process And Analysis Of Fatty Acid Composition Of Panicum Miliaceum L. Shell Oil, Miao Xin-Yue, Zhu Dan, Yan Fei-Xiang, Niu Guang-Cai, Wei Wen-Yi, Zhu Li-Bin

Food and Machinery

The n-hexane was used as extraction solvent, and the ultrasonic-assisted extraction parameters of Panicum miliaceum L. shell oil were optimized by response surface methodology based on the single factor experiment of ultrasonic power, liquid-solid ratio, extraction time and extraction temperature. The results showed that the optimum extraction parameters were as follows: the ultrasonic power was 400 W, the liquid-solid ratio was 12∶1 (mL/g), the extraction temperature was 70 ℃, and the extraction time was 50 min, and the yield of Panicum miliaceum L. shell oil reached 6.95% under the optimal condition. Five kinds of fatty acids were identified by GC, …

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Analysis Of Active Compounds, Antioxidant Activity And Correlation In Different Parts From Ficus Tikoua Bur., Yang Xiu-Qun, Xie Guo-Fang, Wu Qian, Chen Lian, Chen Jia, Liu Yong-Ling May 2020

Analysis Of Active Compounds, Antioxidant Activity And Correlation In Different Parts From Ficus Tikoua Bur., Yang Xiu-Qun, Xie Guo-Fang, Wu Qian, Chen Lian, Chen Jia, Liu Yong-Ling

Food and Machinery

To investigate the bioactive compounds and antioxidant activity of vine, leaves and fruits of the Ficus tikoua Bur. in Guizhou Province, the phenolic compounds, vitamin C, total phenols, total flavonoids were analyzed. Antioxidant activity was evaluated by total reducing power assay (TRPA), free radical scavenging capacity of ABTS+· (ABTS) and ferric ion reducing antioxidant power(FRAP) method in vitro, and Pearson correlation analysis was conducted. The results indicated that the contents of bioactive compounds and antioxidant activity were significantly different between the vine, leaves and fruits (P＜0.05). The content of total phenols and flavonoids in vine was significantly higher …

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Extraction And Antioxidant Activities Of Polyphenol From Magnolia Kwangsiensis Figlar & Noot. Branch, Zheng Yan-Fei, Zhang Qiang, Lan Liang-Mei, Xu Jian-Ben, Huang Qiu-Ping, Lin Yi-Na May 2020

Extraction And Antioxidant Activities Of Polyphenol From Magnolia Kwangsiensis Figlar & Noot. Branch, Zheng Yan-Fei, Zhang Qiang, Lan Liang-Mei, Xu Jian-Ben, Huang Qiu-Ping, Lin Yi-Na

Food and Machinery

The extraction of polyphenols from the branches of Magnolia kwangsiensis figlar & noot. (M. kwangsiensis) was studied by ultrasonic-assisted extraction. The extraction condition was optimized by response surface methodology. The antioxidant activities of M. kwangsiensis branch polyphenols were evaluated in aspect of total antioxidant activity, DPPH· scavenging activity and ·OH scavenging effect. Results showed the optimum conditions were acetone concentration 67%, liquid-solid ratio 22 (mL/g), extraction time 20 min, and the yield of polyphenols reached 1.45%. The polyphenols from the branches of M. kwangsiensis had certain total antioxidant activity, but had good scavenging effects on DPPH· and ·OH.

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Effect Of Vacuum Extrusion On The Quality And Function Of Coarse Cereal Noodles, Yan Mei-Jiao, Li Yun-Long, Li Hong-Mei, Yi Xin, Sun Yuan-Lin, Zhao Lin May 2020

Effect Of Vacuum Extrusion On The Quality And Function Of Coarse Cereal Noodles, Yan Mei-Jiao, Li Yun-Long, Li Hong-Mei, Yi Xin, Sun Yuan-Lin, Zhao Lin

Food and Machinery

In order to explore the effect of vacuum extrusion on the noodles, the nutritional components, quality analysis and functional evaluation of the vacuum extruded coarse cereal noodles, common extruded coarse cereal noodles and wheat flour noodles were carried out. The results showed that the effect of vacuum extrusion on the nutritional composition and functional characteristics of noodles was not significant (P＞0.05); Compared with normal-pressure extruded multi-grain noodles, the vacuum-extruded ones had good texture characteristics with a smooth surface, showing teeth non-sticky. The content of total phenols, total flavonoids, rutin and quercetin in the multigrain noodles was significantly higher than that …

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Effects Of Physical Properties Of Raw Material Flour On Quality Of Fresh Rice Noodles, Tao Xiang-Lin, Wu Yue-Hui, Wei Ying-Juan, Tang Zhen-Xing, Yuan Jie, Xie Jun, Tang Han-Jun May 2020

Effects Of Physical Properties Of Raw Material Flour On Quality Of Fresh Rice Noodles, Tao Xiang-Lin, Wu Yue-Hui, Wei Ying-Juan, Tang Zhen-Xing, Yuan Jie, Xie Jun, Tang Han-Jun

Food and Machinery

Three varieties of indica rice with significant difference in amylose and protein content were selected as the research materials. The fresh rice noodles was processed by production line with a capacity of 1 200 kg/h after size mixing (material liquid ratio 11.5). The physical properties of raw material flour were prepared by dry milling, airflow ultrafine pulverizing and water milling were analyzed by SEM, laser particle size analyzer, DSC and texture analyzer, the relationship between physical properties and quality of fresh rice noodles were discussed. Results: There was significant difference in the size of raw material flour prepared by different …

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Application Of Lactobacillus Plantarum In Improving The Quality Of Tobacco Leaves From Different Regions, Qin Ming-Juan, Chen Sen-Lin, Zhao Qiang-Zhong, Peng Chen, Jin Bao-Feng, Tao Hong May 2020

Application Of Lactobacillus Plantarum In Improving The Quality Of Tobacco Leaves From Different Regions, Qin Ming-Juan, Chen Sen-Lin, Zhao Qiang-Zhong, Peng Chen, Jin Bao-Feng, Tao Hong

Food and Machinery

Single factor combined with orthogonal test was employed to optimize the best technology for fermentation of tobacco leaves by Lactobacillus plantarum in this study. The chemical components, aroma substances and sensory evaluation of fermented tobacco leaves were analyzed. The optimal fermentation technology of tobacco leaves by L. plantarum was achieved when the addition of L. plantarum, glucose syrup and soy protein peptide was 0.80‰, 5.0‰, and 0.05‰ respectively, with fermentation for 8 days. The starch content of tobacco leaves decreased to the most significantly, and 9 kinds of new volatile aroma substances were detected. The content of nicotine decreased …

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Characteristic Analysis Of Heat-Not-Burn Cigarette Tobacco Materials, Yang Xue-Yan, Wen Guang-He, Li Feng, Rao Guo-Hua, Ken Sheng-Ye, Duan Qin, Jin Yun-Feng, Gao Chao May 2020

Characteristic Analysis Of Heat-Not-Burn Cigarette Tobacco Materials, Yang Xue-Yan, Wen Guang-He, Li Feng, Rao Guo-Hua, Ken Sheng-Ye, Duan Qin, Jin Yun-Feng, Gao Chao

Food and Machinery

In order to deeply understand the characteristics of heat-not-burn (HNB) cigarette tobacco materials prepared by different processes and their effects on the characteristics of cigarette products, four kinds of sheets with different flavors prepared respectively by rolling press (RP) , slurry process (SP), paper-making process (PP) and air-laid process (AP) were analyzed by chemical composition analysis, thermal cracking analysis and thermal weight analysis. The results are as follows. ① RP and SP tobacco materials had a low fiber content and tight structure, while PP and SP tobacco materials had a relatively high fiber content and loose structure. ② Water content …

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Recent Advances In Pretreatment Techniques To Improve The Emulsifying Property Of Proteins, Wang Yun-Tao, Wang Ying-Juan, Bai Yan-Hong May 2020

Recent Advances In Pretreatment Techniques To Improve The Emulsifying Property Of Proteins, Wang Yun-Tao, Wang Ying-Juan, Bai Yan-Hong

Food and Machinery

The latest physicochemical pretreatment technologies to improve the emulsifying properties of proteins and the corresponding mechanisms were summarized, including the physical modification such as ultrasound, high pressure homogenization, extrusion cooking, and swirl cavitation, and chemical modification methods such as pH shifting, phosphorylation modification, and enzymatic modification. Moreover, this review also included the synergistic effects of the above methods to modify proteins and the related mechanisms and the future research prospects of the protein modification.

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Research Progress On Application Of Polyoxometalates In Food Preservation, Zhou Feng, Zhang Jia-Wen, Liu Hai-Xiong, Hu Jia-Miao May 2020

Research Progress On Application Of Polyoxometalates In Food Preservation, Zhou Feng, Zhang Jia-Wen, Liu Hai-Xiong, Hu Jia-Miao

Food and Machinery

This paper comprehensively expounds the research achievements on the biological activity of polyoxometalates at home and abroad in recent years, and points out the research progress of the application of polyoxometalates in the field of food preservation based on their anti-bacterial and enzyme-inhibitory activities. The application trend and research direction of polyoxometalate in food industry are also prospected.

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Research Progress On Chemical Constituents And Anticancer Activities In Different Parts Of Papaya, Xiao Shuang-Ling, Teng Jie May 2020

Research Progress On Chemical Constituents And Anticancer Activities In Different Parts Of Papaya, Xiao Shuang-Ling, Teng Jie

Food and Machinery

A variety of bioactivities induding papaya alkaloids, rutin, benzyl isothiocyanate, carotenoids in Papaya (Carica Papaya L.) were investigated in this study. Some of these compounds exhibited a broad array of pharmacological activities in gastrointestinal protection, hepatoprotective effect, anti-inflammatory, weight loss and beauty, anti-cancer, anti-bactericidal and antioxidation properties. This review summarizes the research progress of main bioactive substances, anticancer functions in different parts of papaya, and its wide application prospects in food industry, pharmaceutical industry and health care industry were proposed.

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New Progress On Anti-Obesity Effect And Mechanism Of Pu’Er Tea, Yi Juan, Liu Miao May 2020

New Progress On Anti-Obesity Effect And Mechanism Of Pu’Er Tea, Yi Juan, Liu Miao

Food and Machinery

his review summarizes probable mechanisms and their clinical researches on anti-obesity effect of Pu’er tea. Additionally, those comparative studies of anti-obesity of Pu’er tea and other tea categories, raw and ripened Pu’er tea are discussed. The development prospect and research trend of anti obesity of Pu’er tea are described.

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Effects Of Low Temperature And Low Voltage Electrostatic Field Treatment Combined With Microporous Pe Film Packaging On Storage Quality Of Different Maturity Lingwu Long Jujube, Yang Ya-Li, Liu Hui-Yan, Fang Hai-Tian, Zhang Hao-Yu, Li Jin-Na, Zhang Guang-Di May 2020

Effects Of Low Temperature And Low Voltage Electrostatic Field Treatment Combined With Microporous Pe Film Packaging On Storage Quality Of Different Maturity Lingwu Long Jujube, Yang Ya-Li, Liu Hui-Yan, Fang Hai-Tian, Zhang Hao-Yu, Li Jin-Na, Zhang Guang-Di

Food and Machinery

Lingwu long jujube with different maturity levels (semi-red period, 2/3 red period and full red period) as research material, the method of low temperature and low voltage electrostatic field combined with PE film bag was used to.preserve the freshness of the jujube fruits. During the storage period, the changes of physical and chemical properties of Lingwu long jujube fruits such as ascorbic acid (VC), total acid (TA), soluble solids (TSS), hardness and weightlessness rate, and sensory evaluation were investigated. As results, Lingwu long jujube fruits in full red and half-red periods had a shorter fresh-keeping period, with a faster softening …

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Recent Progress In Marine Natural Products Intervention In Inflammatory Bowel Disease, Li Ming-Shuang, Yang Xi-Hong, Che Hong-Xia, Xie Wan-Cui May 2020

Recent Progress In Marine Natural Products Intervention In Inflammatory Bowel Disease, Li Ming-Shuang, Yang Xi-Hong, Che Hong-Xia, Xie Wan-Cui

Food and Machinery

In this article, the recent research progress and therapeutic mechanism of marine-derivedactive substance against inflammatory bowel disease are reviewed.The multiple action targets of macromolecular active substances under the existing experimental model are proposed. And the possibility and potential mechanism of fatty acids, polysaccharides, biological peptides and other substances as adjuvant therapy of inflammatory bowel disease are discussed, which will hopefully provide a theoretical basis for the high value utilization of seafood and the development of supplements for inflammatory bowel disease.

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Effect Of Sodium Chloride On Starch Properties From Different Adzuki Bean Varieties, Zhang Jing-Yi, Zhai Ai-Hua, Zhang Dong-Jie May 2020

Effect Of Sodium Chloride On Starch Properties From Different Adzuki Bean Varieties, Zhang Jing-Yi, Zhai Ai-Hua, Zhang Dong-Jie

Food and Machinery

The effects of sodium chloride on the properties of starch paste were studied by analyzing the size, viscosity, regeneration, enthalpy and gelatability of starch paste after adding sodium chloride. The results showed that the starch in da hong pao with low amylose content showed higher initial temperature, final viscosity and enthalpy of gelatinization than that in baoqing and pearl, with lower peak viscosity and smaller particle size; After the addition of 2% sodium chloride, the average particle size, peak viscosity, attenuation value and rejuvenation value of the three kinds of red bean starch gelatinized decreased significantly (P＜0.05). Gelatinization temperature and …

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Determination Of Polycyclic Aromatic Hydrocarbons In Gum-Based Chewing Tobacco By Gc-Ms/Ms, Cai Jie-Yun, Wang Hui-Ping, Liu Wei, Gu Jian-Long, Sun Hao-Wei, Zhang Ke, Long Jie, Li Chao May 2020

Determination Of Polycyclic Aromatic Hydrocarbons In Gum-Based Chewing Tobacco By Gc-Ms/Ms, Cai Jie-Yun, Wang Hui-Ping, Liu Wei, Gu Jian-Long, Sun Hao-Wei, Zhang Ke, Long Jie, Li Chao

Food and Machinery

In this study, an inter-standard quantitative method was used for determination of PAHs in gum-based chewing tobacco by GC-MS/MS. Under the control of the optimized experimental conditions, the LODs and the LOQs of 19 target PAHs could achieve 0.04~0.14 ng/mL and 0.14~0.46 ng/mL, respectively, while the linear correlation efficiencies were larger than 0.998 for all PAHs. With three different adding-levels, the recovery rates for all PAHs ranging from 92.26% to 109.46%. And the Intra-assay and Inter-assay precisions for the PAHs were 0.77%~3.85% and 1.57%~4.86%, respectively. The method developed was reliable and suitable for routine analysis of PAHs, and was verified …

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Quality Change And Shrinkage Model Of Kiwi During Freeze Drying And Vacuum Microwave Combined Drying, Lian Miao-Miao, Duan Xu, Huang Lue-Lue, Lin Hui-Yan May 2020

Quality Change And Shrinkage Model Of Kiwi During Freeze Drying And Vacuum Microwave Combined Drying, Lian Miao-Miao, Duan Xu, Huang Lue-Lue, Lin Hui-Yan

Food and Machinery

Kiwifruits were respectively dried by freeze-drying and vacuum-microwave combined drying, with different microwave power (0.25, 0.30 and 0.39 W/g). In combination with the shrinkage ratio, sensory quality, color difference, rehydration ratio and porosity of kiwifruit in the drying process, the drying characteristics, pore structure and shrinkage characteristics of kiwifruit pieces in the drying process were analyzed, and the shrinkage model of kiwifruit pieces in the process of FD pretreatment vacuum microwave drying was established. The results showed that the drying characteristics of kiwifruit slices changed with the different power of microwave, and the higher the microwave power could cause higher …

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Optimization Of Modifying Kiwifruit Peel Dietary Fiber With A Colloid Mill, Wu Hai-Yu, Gong Lin-Ling, Yang Wan-Gen May 2020

Optimization Of Modifying Kiwifruit Peel Dietary Fiber With A Colloid Mill, Wu Hai-Yu, Gong Lin-Ling, Yang Wan-Gen

Food and Machinery

Using water retention capability and oil-binding capability as indices, the effects of the factors such as insert spacing of colloid mill, ratio of liquid to solid and milling time on the indices were evaluated, and the optimal conditions of the modification were obtained by a Box-Behnken experiment. The results showed that the optimal modification conditions were: insert spacing of 13 μm, ratio of liquid to solid of 90∶1 (mL/g) and milling time of 7.5 min. After crushing under such conditions, the KPDF had an average particle size (D50) of 58 μm, lower than that before modification by 94.42%; …

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Functional Components, Health Function And Utilization Of Blueberry, Jin Yong-Xue, Feng Jian-Guo, Zheng Tao, Zeng Yi-Qiong, Zheng Hui, Yang Yong May 2020

Functional Components, Health Function And Utilization Of Blueberry, Jin Yong-Xue, Feng Jian-Guo, Zheng Tao, Zeng Yi-Qiong, Zheng Hui, Yang Yong

Food and Machinery

The main functional components, health care function, and application status of blueberry in food, medicine, cosmetics and other fields were reviewed, and the research direction of blueberry processing is to improve the polyphenol retention rate was also proposed.

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French Tarragon In The Garden, Dan Drost, Benjamin Hudson May 2020

French Tarragon In The Garden, Dan Drost, Benjamin Hudson

All Current Publications

This publication describes French Tarragon and how to plant it in the garden, including varieties, how to grow, problems, harvesting and storage, productivity, and uses and nutrition.

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New Zealand Spinach In The Garden, Dan Drost, Jill Samuelsen May 2020

New Zealand Spinach In The Garden, Dan Drost, Jill Samuelsen

All Current Publications

This fact sheet describes New Zealand spinach in the garden, varieties, how to grow, problems, harvesting and storage, productivity, nutrition, and frequently asked questions.

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Sweet Corn In The Garden, Dan Drost May 2020

Sweet Corn In The Garden, Dan Drost

All Current Publications

This fact sheet describes growing sweet corn in Utah gardens. It includes varieties, how to grow them, how to control pests, harvesting and storage, productivity, nutrition and answers to frequently asked questions.

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Eggplant In The Garden, Dan Drost May 2020

Eggplant In The Garden, Dan Drost

All Current Publications

This fact sheep provides tips on growing eggplant in Utah, including how to grow, soil and soil preparation, planting and spacing, mulches, row covers, water, fertilization. It discusses weed, insect, and disease problems, harvest and storage recommendations, productivity and nutrition.

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Peas In The Garden, Dan Drost May 2020

Peas In The Garden, Dan Drost

All Current Publications

This fact sheet describes growing peas in Utah gardens. It includes varieties, how to grow them, how to control pests, harvesting and storage, productivity, nutrition and answers to frequently asked questions.

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Popcorn In The Garden, Dan Drost, Heidi Mitchell May 2020

Popcorn In The Garden, Dan Drost, Heidi Mitchell

All Current Publications

This fact sheet describes popcorn in the garden, varieties, how to grow, problems, harvesting and storage, productivity, nutrition, and frequently asked questions.

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Artichoke In The Garden, Dan Drost May 2020

Artichoke In The Garden, Dan Drost

All Current Publications

This fact sheet includes recommended varieties of artichokes, how to grow them, problems, harvest and storage information and frequently asked questions.

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Potatoes In The Garden, Dan Drost May 2020

Potatoes In The Garden, Dan Drost

All Current Publications

This fact sheet describes growing potatoes in the garden, and includes recommended varieties, tips on growing, problems, harvest and storage, productivity, nutrition, and frequently asked questions.

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Tomatoes In The Garden, Dan Drost May 2020

Tomatoes In The Garden, Dan Drost

All Current Publications

This publication covers how to grow tomatoes, how to address problems, and how to harvest and store tomatoes properly.

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Chives In The Garden, Dan Drost May 2020

Chives In The Garden, Dan Drost

All Current Publications

This fact sheet includes recommended varieties of chives, how to grow them, problems, harvest and storage information and frequently asked questions.

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