Thursday Lecture – Spices & Herbs Reading: Textbook, Chapter 8 Artificial Sweeteners High Intensity Sweeteners – much more sweet than sucrose, so only a little bit needed -often a “bulking agent” such as maltodextrin added for “mouth feel” Stevia – banned in US by FDA until 2008, from plant of same name Aspartame (Equal, Nutrasweet) Sucralose (Splenda) – heat stable Neotame Acesulfame potassium Saccharin (Sweet n low) – rat cancers FDA – regulates these as “food additives”, so must be shown to be safe GRAS = “generally recognized as safe” – applies to substances naturally available and widely used before 1958 Quiz Quiz 1. Sugar cane is a member of which family of plants (common name or scientific name)? 2. What is the general name for the series of events that led to re-establishment of contact between Europe and the Middle East in the 11th-13th centuries that resulted in products such as sugar and spices to be introduced into Europe? Plant Flavors - More Terms Culinary Herb Botanical Medicinal Plant Flavors - More Terms Culinary Herb leafy flavoring used in cooking Botanical Medicinal Plant Flavors - More Terms Herb Culinary Botanical leafy flavoring non-woody used in cooking plant Medicinal Plant Flavors - More Terms Herb Culinary Botanical Medicinal leafy flavoring non-woody plant used in used in cooking plant medicine Plant Flavors - More Terms Herb Spice Culinary Botanical Medicinal leafy flavoring non-woody plant used in used in cooking plant medicine flavoring derived -- -- from non-leaf part of tropical/subtropical plant Some Plant Chemistry Essential oil – [no single, precise definition] an aromatic liquid – responsible for flavors/odors Figure 8.2, p. 194 Some Plant Chemistry Essential oil – [no single, precise definition] an aromatic liquid – responsible for flavors/odors Synonym – volatile oil Figure 8.2, p. 194 Some Plant Chemistry Essential oil – [no single, precise definition] an aromatic liquid – responsible for flavors/odors Synonym – volatile oil Mostly terpenes, but some other compounds - Volatile - Organic Figure 8.2, p. 194 Some Plant Chemistry Essential oil – [no single, precise definition] an aromatic liquid – responsible for flavors/odors Synonym – volatile oil Mostly terpenes, but some other compounds - Volatile - Organic Compounds are usually present as a mixture in natural materials Figure 8.2, p. 194 Location in Plants of Essential Oils Figure 8.3, p. 196 Typically occur in specialized cells, glands or vessels Location in Plants of Essential Oils Figure 8.3, p. 196 Typically occur in specialized cells, glands or vessels Lavender (Lavendula) Location in Plants of Essential Oils Figure 8.3, p. 196 Typically occur in specialized cells, glands or vessels Lavender (Lavendula) Peppermint (Mentha) Location in Plants of Essential Oils Figure 8.3, p. 196 Typically occur in specialized cells, glands or vessels Lavender (Lavendula) Tomato leaf – glands and hairs Peppermint (Mentha) History of Use of Spices & Herbs Figure 8.5, p. 198 5200 yrs BP Embalming practiced in Egypt History of Use of Spices & Herbs Figure 8.5, p. 198 5200 yrs BP Embalming practiced in Egypt 4500 yrs BP Use of garlic and onions History of Use of Spices & Herbs Figure 8.5, p. 198 5200 yrs BP Embalming practiced in Egypt 4500 yrs BP Use of garlic and onions 3400 yrs BP Trade routes already established across Asia History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food 2000 yrs bp – Roman empire had widespread use of spices History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food 2000 yrs bp – Roman empire had widespread use of spices 641-1096 AD – Dark Ages, European use of spices reduced History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food 2000 yrs bp – Roman empire had widespread use of spices 641-1096 AD – Dark Ages, European use of spices reduced 1096 AD – Crusades, spices rediscovered by Europeans History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food 2000 yrs bp – Roman empire had widespread use of spices 641-1096 AD – Dark Ages, European use of spices reduced 1096 AD – Crusades, spices rediscovered by Europeans 1400s – search for new trade routes and sources for spices History of Use of Spices & Herbs II Figure 8.6, p. 199 2400 yrs bp – Greeks used spices in medicine and food 2000 yrs bp – Roman empire had widespread use of spices 641-1096 AD – Dark Ages, European use of spices reduced 1096 AD – Crusades, spices rediscovered by Europeans 1400s – search for new trade routes and sources for spices 1606-1796 – Dutch dominate spice trade Mediterranean Herbs & Spices Lamiaceae (=Labiatae) – Mint Family Figs. 8.7, 8.8, p. 200-201 Mediterranean Herbs & Spices Lamiaceae (=Labiatae) – Mint Family Figs. 8.7, 8.8, p. 200-201 Mediterranean Herbs & Spices Figs. 8.7, 8.8, p. 200-201 Mediterranean Herbs & Spices Apiaceae (=Umbelliferae) – Carrot Family Figure 8.10, p. 203 Are you going to Scarborough Fair? Parsley, sage, rosemary and thyme, Remember me to one who lives there, For once she was a true love of mine. Have her make me a cambric shirt, Parsley, sage, rosemary and thyme, Without a seam or fine needle work, And then she'll be a true love of mine. Have her wash it in yonder dry well, Parsley, sage, rosemary and thyme, Where ne'er a drop of water e'er fell. And then she'll be a true love of mine. Have her find me an acre of land Parsley, sage, rosemary and thyme, Between the sea and over the sand, And then she'll be a true love of mine… Are you going to Scarborough Fair? Parsley, sage, rosemary and thyme, Remember me to one who lives there, For once she was a true love of mine. Have her make me a cambric shirt, Parsley, sage, rosemary and thyme, Without a seam or fine needle work, And then she'll be a true love of mine. Have her wash it in yonder dry well, Parsley, sage, rosemary and thyme, Where ne'er a drop of water e'er fell. And then she'll be a true love of mine. Have her find me an acre of land Parsley, sage, rosemary and thyme, Between the sea and over the sand, And then she'll be a true love of mine… “Language” of flowers: Parsley – removes bitterness Sage – Strength Rosemary – Faithfulness Thyme - Courage Apiaceae - Dill Figure 8.11, p. 204 Apiaceae – “Seeds” anise Figure 8.11, p. 204 caraway Brassicaceae Black mustard Figure 7.12, p. 167 White mustard Armoracia rusticana – horseradish Brassicaceae Figure 8.12, p. 205 Armoracia rusticana – horseradish Brassicaceae Figure 8.12, p. 205 Wasabia japonica – Japanese horseradish Glucosinolates Organic compounds, contain sulfur Glucosinolates Organic compounds, contain sulfur In plant – combined with glucose (sugar) harmless Glucosinolates Organic compounds, contain sulfur In plant – combined with glucose (sugar) harmless When cells rupture – mix with enzyme/water produce isothiocyanate = “mustard oil” (note, is not “mustard gas”, which contains Cl also) Glucosinolates Organic compounds, contain sulfur In plant – combined with glucose (sugar) harmless When cells rupture – mix with enzyme/water produce isothiocyanate = “mustard oil” (note, is not “mustard gas”, which contains Cl also) 1. How cabbage butterflies find your cole crops - isothiocyanates Glucosinolates Organic compounds, contain sulfur In plant – combined with glucose (sugar) harmless When cells rupture – mix with enzyme/water produce isothiocyanate = “mustard oil” (note, is not “mustard gas”, which contains Cl also) 1. How cabbage butterflies find your cole crops - isothiocyanates Glucosinolates Organic compounds, contain sulfur In plant – combined with glucose (sugar) harmless When cells rupture – mix with enzyme/water produce isothiocyanate = “mustard oil” (note, is not “mustard gas”, which contains Cl also) 1. How cabbage butterflies find your cole crops - isothiocyanates 2. Why overcooked broccoli tastes/smells bad: Sinigrin --> allyl isothiocyanate --> H2S (hydrogen sulfide) Cooking herbs - Eurasia Artemisia - tarragon Figure 8.13, p. 205 Laurus – Bay leaf Asiatic Spices - Cinnamon Figures 8.15, 8.26, 8.27, p. 206-207 Asiatic Spices – Black Pepper Piper nigrum – Piperaceae Pepper – drupe, dried and processed Black pepper – fermented, dried (“peppercorn”) White pepper – mesocarp allowed to rot Green pepper – pickled in brine or vinegar Figure 8.24, p. 210 New World Spices - Capsicum Capsicum – Solanaceae C. annuum – Sweet, bell peppers C. frutescens – hot peppers C. chinense – hot peppers Figure 8.27, p. 211 How hot is hot? – Scoville Scale Successive dilutions no more heat detected How hot is hot? – Scoville Scale Successive dilutions no more heat detected Bell pepper – 0 (no heat at all) How hot is hot? – Scoville Scale Successive dilutions no more heat detected Bell pepper – 0 (no heat at all) Banana pepper – 100-500 Jalapeno pepper – 2,500-8,000 How hot is hot? – Scoville Scale Successive dilutions no more heat detected Bell pepper – 0 (no heat at all) Banana pepper – 100-500 Jalapeno pepper – 2,500-8,000 Grains of Paradise – still another Pepper Aframomum melegueta – member of ginger family, Zingiberaceae Native to subsaharan Africa “Melegueta pepper” – used by Romans, Europeans as peppery spice Tuesday Lecture – Vegetable Oils and Waxes Reading: Textbook, Chapter 9